text:
MStar Semiconductor , Inc.
|MStar Semiconductor , Inc. Patent applications
|Patent application number
|CRYPTOGRAPHIC DEVICE AND SECRET KEY PROTECTION METHOD - A cryptographic device and a secret key protection method are provided. The cryptographic device protects a secret key of the cryptographic device when processing a message. The cryptographic device includes: a secret key protection circuit, configured to generate an indecipherable signal according to the message and the secret key by a hash calculation circuit; and a cryptographic processor, configured to process the message and the secret key according to the indecipherable signal to generate an encrypted message.
|Multimode Mobile Communication Network Search in a Wireless Communication Device - A wireless communication device includes a wireless transceiver to wirelessly receive and transmit radio frequency (RF) signals and sample a signal representative of the received RF signal over a predetermined time period. The receiver stores the sampled signal in a memory. After the predetermined time period, a processor, coupled to the wireless transceiver and the memory, concurrently searches the sampled signal for multiple communication signals each operating according to a corresponding one of multiple, different mobile communication standards. If one of the communication signals is found, the WCD attempts to connect wirelessly with a communication network from which the found communication signal originates.
|METHOD AND DEVICE FOR SIGNAL PROCESSING - A method for signal processing is provided. The method includes: obtaining a predistortion signal for compensating nonlinear distortion generated by a transmission path; adding the predistortion signal to the transmission path to compensate the nonlinear distortion; and outputting the nonlinear distortion compensated signal by the transmission path. With the above method, the nonlinear distortion of the transmission path can be compensated without modifying a current transmission path, thereby enhancing transmission performance of a transmitter by using a simple structure.
|WIRELESS COMMUNICATION RECEIVER WITH I/Q IMBALANCE ESTIMATION AND CORRECTION TECHNIQUES - Techniques are provided that utilize information on the characteristics of the transmitted signal to improve the accuracy of the I/Q imbalance estimation and correction. These techniques can be used to achieve improved image rejection performance over existing solutions, through the use of signal conditioning, windowing and the use of statistical information on the received signal. A number of techniques aimed at improving the accuracy of the I/Q imbalance estimation/correction are presented, including different modes of I/Q imbalance estimation and I/Q imbalance correction in the presence of a complex IF filter in the transceiver. The processing is performed mostly in the DBB in order to be area/power efficient.
|MIXER BIASING FOR INTERMODULATION DISTORTION COMPENSATION - To compensate for second-order intermodulation (IM2), it is determined whether a blocking signal is present at a receiver. A biasing differential is applied across downconverting mixers in the receiver that minimizes cross-correlation of quadrature signal components of a signal produced by the receiver in the presence of the blocking signal.
|Amplitude Modulation to Phase Modulation (AMPM) Distortion Compensation - To generate amplitude modulation to phase modulation (AMPM) predistortion data that compensates for phase distortion in a power amplifier of a communication device, a test signal is amplified via the power amplifier. The amplified test signal is combined, by wave superposition, with a reference oscillator signal into a resultant signal. The resultant signal is an outcome of interference between the amplified test signal and the reference oscillator signal. The resultant signal power is measured using envelope information and, from the measurement, a predistortion phase shift is determined that when applied to the test signal maximizes the interference between the amplified test signal and the reference oscillator signal. AMPM predistortion data is generated to correspond with the predistortion phase shift.
|Convergence Estimation for Iterative Predistortion Factor Determination for Predistortion in Power Amplifiers - To estimate complex factors for use in predistortion of a power amplifier, a complex factor is selected a set of complex factors a computation interval. A solution value is estimated for the selected complex factor during the computation interval by an iterative computation that constrains the estimated solution value towards a final solution value over an arbitrary number of iterations that is not bounded by the duration of the computation interval. A cumulative error in the estimated solution value is computed at each iteration over consecutive computation intervals. From the cumulative error, it is determined whether a convergence criterion is met and, if so, the estimating is terminated. The termination occurs independently of the solution value estimated for any one of the complex factors in the set.
|TRANSCEIVERS WITH A TRANSFORMER SUPPORTING MULTIBAND OPERATION - Several multiband transceivers are disclosed. An exemplified multiband transceiver supporting different bands has a transformer, an inbound switch circuit, and an outbound switch circuit. The transformer has input ports on a primary side, and output ports on a secondary side. The input ports are direct-current isolated from and magnetically coupled to the output ports. The inbound switch circuit is configured to connect one of the input ports with an RF signal source for signal transmission. The outbound switch circuit is configured to connect one of the output ports with a RF output load. Optionally, an input tunable capacitor is configured to shunt with the effective inductance of one of the input ports and form a LC tank for band selection.
|PREDISTORTION FACTOR DETERMINATION FOR PREDISTORTION IN POWER AMPLIFIERS - A baseband signal is generated as a sequence of complex sample values at a predetermined sample rate. A sample of the baseband signal is captured as is a sample of an output signal generated by a power amplifier from the captured sample of the baseband signal. Complex values are iteratively assigned to a complex factor intended for predistorting data such that the product of the baseband signal sample and the complex factor converges towards equivalence with the output signal sample with each iterative assignment of the complex values to the complex factor. The complex factor is stored in memory at an address associated with the value of the captured baseband signal sample.
|SIGNAL PROCESSING SYSTEM WITH BIST FUNCTION, TESTING METHOD THEREOF AND TESTING SIGNAL GENERATOR - A signal processing system includes a module under test, an oscillation signal generator, a translational filter, and a testing module. The module under test has a signal input end. The oscillation signal generator generates an oscillation signal. The translational filter includes a mixer controlled by the oscillation signals. The mixer has a high-frequency side and a low-frequency side. The high-frequency side is coupled to the signal input end of the module under test. The testing module is coupled to the low-frequency side of the mixer. When the signal processing system is in a testing mode, the testing module provides a testing signal to the low-frequency side, so as to generate a high-frequency testing signal at the high-frequency side of the mixer.
|METHOD AND APPARATUS FOR WRITING IMAGES INTO MEMORY - A method for writing images into a memory is provided. The method includes steps of: establishing a first configuration table for configuring the memory into a plurality of first buffers according to a first resolution of a first image; establishing a second configuration table for configuring the memory into a plurality of second buffers according to a second resolution of a second image, wherein the second resolution is different from the first resolution; and determining a position to which the second image is to be written into the memory according to the first configuration table and the second configuration table.
|SENSING ELECTRODES AND SENSING METHOD THEREOF - A plurality of dummy lines are arranged between a plurality of sensing electrode unit pairs to compensate a capacitance sensing value imbalance caused by two sensing electrodes. Further, a coordinate compensation value is calculated according to a layout of electrodes and wires to alleviate or reduce a ripple effect of sensed position errors. As such, sensing accuracy of a touch sensing apparatus is improved.
|COMMUNICATION SYSTEM AND SAMPLE RATE CONVERTER THEREOF - A communication system including a configurable sample rate converter and a controller is provided. The configurable sample rate converter, configured to convert a digital signal with a first sample rate to a converted signal with a second sample rate, being operable in one of a first configuration and a second configuration. The controller, configured to dynamically control the sample rate converter to operate in one of the first configuration and the second configuration according to at least one condition.
|DISPLAY DEVICE WITH MOBILE HIGH-DEFINITION LINK PORT AND SIGNAL PROCESSING METHOD THEREOF - A signal processing method for a display device is provided. The display device is capable of connecting a portable consumer electronic device via a high-definition link (MHL) port. Via the communication bus (CBUS) in the MHL port, a set of encryption codes is provided to the portable consumer electronic device. Based on an encrypted identification fed back from the portable consumer electronic device, it is determined whether the portable consumer electronic device passes authentication. If the portable consumer electronic device passes the authentication, when a human interface device provides a user command to the display device, the user command is encrypted according to the set of encryption codes to generate an encrypted user command compliant to the CBUS specification. Via the CBUS of the MHL port, the encrypted user command is provided to the portable consumer electronic device.
|RECEIVING APPARATUS AND METHOD FOR ACCELERATING EQUALIZATION CONVERGENCE - A receiving apparatus applied to a receiving end of a communication device having an equalizer is provided. The receiving apparatus includes a filter and a channel estimator. The filter filters a received signal to reduce a multipath effect of the received signal and outputs a filtered signal. The channel estimator performs channel estimation on the received signal to generate an estimation result. The estimation result is for determining which of the received signal and the filtered signal is to be selected and sent to the equalizer.
|METHOD AND DEVICE FOR DETECTING PRIMARY SYNCHRONIZATION SIGNAL - A method for detecting a primary synchronization is provided. The method includes: obtaining a time-domain signal sequence for synchronization; obtaining a correlation result corresponding to the time-domain signal sequence; normalizing the correlation result according to a received signal strength indicator corresponding to the time-domain signals; and sorting the normalized correlation result to ascertain a peak value position corresponding to the correlation result.
|WIRELESS COMMMUNICATION APPARATUS AND METHOD - A wireless communication method for a wireless communication apparatus having multiple transceivers is provided. The multiple transceivers correspond to multiple component carriers. At least one transceiver connects to at least one first base station via at least one of the component carriers. The wireless communication method includes: performing communication according to multiple component carriers corresponding to the multiple transceivers; and while performing communication by simultaneously utilizing the multiple transceivers, selecting a first transceiver from the multiple transceivers to receive information of at least one second base station.
|LAYER ACCESS METHOD, DATA ACCESS DEVICE AND LAYER ACCESS ARRANGEMENT METHOD - A data access method is provided. The data access method is applied for a data device access device to access data from N layers to display an image, where N is a positive integer. Each of the N layers includes a horizontal start point, a horizontal end point, a vertical start point and a vertical end point. The data access method includes: dividing the image into a plurality of regions according to the horizontal start points, the horizontal end points, the vertical start points and the vertical end points, wherein the regions respectively correspond to the N layers; and accessing data from the respective layers corresponding to the regions when displaying the image.
|TOUCH CONTROL SYSTEM AND SIGNAL PROCESSING METHOD THEREOF - A signal processing method for a touch panel is provided. The touch panel includes a first sensing region and a second sensing region. The first sensing region is monitored by at least one first sensor to generate a first monitoring result. The second sensing region is monitored by at least one second sensor to generate a second monitoring result. The signal processing method includes determining whether a touch point formed in the first sensing region is close to the second sensing region, and generating position information of the touch point according to the first monitoring result and the second monitoring result when the touch point is close to the second sensing region.
|MUTUAL CAPACITIVE TOUCH CONTROL DEVICE - A mutual capacitive touch control device includes a sensing electrode, a first driving electrode and a second driving electrode. The sensing electrode includes a main stem, a plurality of electrode fingers and a plurality of second electrode fingers. The main stem has strip-shaped planar contour and a longer side parallel to a first direction. The first electrode fingers extend from the main stem toward a second direction perpendicular to the first direction. The second electrode fingers extend from the main stem toward opposite the second direction. The first driving electrode includes a first main body. The first main body has a plurality of first recesses corresponding to and interleaved with the first electrode fingers. The second driving electrode includes a second main body. The second main body has a plurality of second recesses corresponding to and interleaved with the second electrode fingers.
|IMAGE DISPLAY METHOD AND ASSOCIATED APPARATUS - An image display method includes: receiving an original frame having an original image data part; adjusting the original frame to generate an adjusted frame having an adjusted image data part and a non-image data part, wherein, the adjusted image data part comprises a plurality of pixel lines; and scanning image data of N number of the pixel lines of the adjusted image data part to generate data of N+K number of pixel lines of a scanned frame. N and K are positive integers. The original frame has a same size as that of the adjusted frame; and the adjusted image data part has a size smaller than that of the original image data part.
|VIDEO/AUDIO PLAYING METHOD AND TELEVISION THEREOF - After a television transmits an audio signal, which is generated by decoding an audio stream, to a mobile electronic device located within a detectable range of the television in a wireless manner, the mobile electronic device plays the audio signal received from the television for fulfilling surround sound performance.
|CHIP WITH FLEXIBLE PAD SEQUENCE MANIPULATION AND ASSOCIATED METHOD - A chip with flexible pad sequence manipulation is provided. The chip can be a memory controller, and includes a hub unit. The hub unit, formed by a gate array, is placed in a hub region predetermined during placing and routing procedures, and is capable of supporting re-placing and re-routing for changing interior interconnections and a pad sequence of the chip.
|MEMORY CONTROLLER AND ASSOCIATED SIGNAL GENERATING METHOD - The invention is directed to a memory controller and an associated signal generating method. By appropriately arranging a sequence according to which command signals are generated and expanding a latching interval of a part of address signals, not only the memory controller is enabled to control the DDR memory modules in a functional manner to further overcome issues of conventionally small latching intervals, but also system stability and access performance are reinforced as the memory access clock speed continue to increase.
|TRANSCEIVER IQ CALIBRATION SYSTEM AND ASSOCIATED METHOD - Local oscillator (LO) in-phase/quadrature (IQ) imbalance correction data are generated for one or both of the transmitter and receiver of a radio-frequency (RF) communication device. An RF transmitter output signal is generated by the transmitter from a known test signal and transmitted to the receiver, where a baseband receiver signal is produced. A signal characteristic of the receiver baseband signal is measured in the presence of phase shifts introduced in the transmitter output signal. Joint LO IQ imbalance figures of merit are computed from the signal characteristic measurements, each characterizing signal processing artifacts in the receiver baseband signal caused by joint signal processing in the transmitter and the receiver under influence of transmitter LO IQ imbalance and receiver LO IQ imbalance. The LO IQ imbalance correction data are determined from the computed JFMs so that the transmitter LO IQ imbalance is distinctly characterized from the receiver LO IQ imbalance from measurements obtained through no greater than two (2) phase shifts.
|ADAPTIVE OPERATIONAL AMPLIFIER BIAS CURRENT - An operation amplifier (op amp) having a bias current detection circuit that monitors the bias current flowing in an output stage of the op amp. When the bias current detection circuit detects that too much current is being wasted, e.g., sunk to ground, then the amount of bias current is reduced. Similarly, when the bias current detection circuit detects that insufficient bias current is being supplied to the output stage of the op amp, the amount of bias current is increased. In one implementation, the output of the bias current detection circuit may be signals indicative of, respectively, too much bias current and too little bias current, wherein those outputs are supplied to a state machine which is configured to control the amount of bias current being supplied in a stepwise fashion.
|CHARGE PUMP PHASE-LOCKED LOOP CIRCUITS - A charge pump phase-locked loop circuit includes an active loop filter, an adjustable reference voltage source, and a charge pump. The active loop filter includes an amplifier that has a negative input node, a positive input node, and an output node. The adjustable reference voltage source is coupled to the positive input node to provide an adjustable reference voltage. The charge pump is coupled to the negative input node to provide a current to or draw a current from the active loop filter in response to a signal from a phase detector. The charge pump includes a first current source coupled to a first voltage and a second current source electrically coupled to a second voltage, the second current source including a resistor. The second current source is configured such that a current provided by the second current source depends on a resistance value of the resistor and a difference between the reference voltage and the second voltage.
|IMAGE EDITING METHOD AND ASSOCIATED APPARATUS - An image editing method for editing an original image is provided. The original image has a distinct figure and an indistinct figure, which correspond to an in-focus object and an out-of-focus object, respectively. The image editing method includes: obtaining an out-of-focus object distance from the out-of-focus object to a lens; performing an inverse blurring process on the indistinct figure according to the out-of-focus object distance and an optical parameter to obtain a processed figure; and forming a processed image according to the processed figure and the distinct figure.
|METHOD, MODULE AND ELECTRONIC APPARATUS FOR UPDATING CONTENTS TO BE DISPLAYED BEFORE TURNING ON DISPLAY DEVICE - A method for updating contents to be displayed before turning on a display device is provided. The method, applicable for an electronic apparatus including a display device, includes steps of: receiving an activation event; and tuning on the display device after the contents to be displayed are updated when the display device is turned off and the activation event is received.
|SEMI-DYNAMIC FLIP-FLOP - A semi-dynamic flip-flop is provided. A selecting circuit selects an input signal from a data signal and a test signal. A charging/discharging circuit charges/discharges an intermediate node according to the input signal, a clock signal and a modulation signal. A first storage circuit stores electric potential of the intermediate node. An adjusting circuit generates an adjustment signal according to the clock signal and the potential of the intermediate node. An output signal adjusts electric potential of an output node according to the clock signal and the potential of the intermediate node. A second storage circuit stores the potential of the output node. A reset circuit sets or resets the potential of the output node. A switch, connected between the adjusting circuit and the charging/discharging circuit, is turned on when the semi-dynamic flip-flop is in a normal operation mode.
|RENDERING METHOD AND ASSOCIATED DEVICE - A rendering method is provided. The method includes: initializing a surface flinger to establish at least two buffer memories; confirming correspondence between all visible surfaces and the at least two buffer memories, rendering all of the visible surfaces to the corresponding buffer memories according to the correspondence, and combining all of the buffer memories to output a result for display; determining whether a change occurs in the visible surfaces; when the change occurs in the visible surfaces, identifying the buffer memory where the visible surface with the change is located; rendering again the visible surfaces that need to be rendered in the identified buffer memory, and combining the buffer memory that is rendered again with the buffer memory that is not rendered again to output a result for display.
|Method for Determining Debug Authorization for Motherboard Control Module and Associated Motherboard Control Module - By comparing a chip unique password, certification for activating a debug function can be established on the chip unique password. Thus, even when the chip unique password is lost due to negligence, not only certification for activating debugging on other motherboards of the same model number can remain unaffected, but also risks caused by replacing a chip or by a private key leakage from a system manufacturer are eliminated.
|WIRELESS SIGNAL RECEIVER AND ASSOCIATED SIGNAL PROCESSING METHOD - A wireless signal receiver includes a receiving module, an automatic gain control (AGC) module, a measuring module, a decoding module, and a control module. The receiving module receives a wireless signal. The AGC module adjusts an amplitude of the wireless signal according to a gain to generate an adjusted signal. The measuring module measures a signal strength of the adjusted signal. The decoding module decodes the adjusted signal. When the decoding module determines that the adjusted signal corresponds to a beacon packet transmitted from a transmitting end, the control module adjusts the gain according to the signal strength.
|WIRELESS RECEIVING SYSTEM AND ASSOCIATED SIGNAL PROCESSING METHOD - A wireless receiving system includes a packet searching module and a memory module. The packet searching module performs packet searching that includes adopting at least one parameter. The memory module stores the at least one parameter corresponding to a packet as a set of reference parameters. At a predetermined time point, the packet searching module again performs packet searching according to the set of reference parameters stored in the memory module.
|MEMORY CONTROLLER AND ASSOCIATED METHOD FOR GENERATING MEMORY ADDRESS - A memory controller is connected to a double-data-rate dynamic random access memory (DDR DRAM) and an accessing unit. The memory controller includes: a processing unit, configured to receive a system address generated by the accessing unit; and a mapping unit, located in the processing unit, configured to convert the system address to a memory address and transmitting the memory address to the DDR DRAM. When a burst length of the DDR DRAM is L and L=2
|SELF-CAPACITIVE TOUCH PANEL - A self-capacitive touch panel including two sensing regions is provided. Each of the sensing regions includes a first sensing channel, a second sensing channel, a border electrode and multiple central electrodes. The border electrode utilizes the first sensing channel exclusively. The central electrodes share the second sensing channel. The border electrode has a first centroid, which represents a position where a capacitance change contributed by the border electrode occurs. The central electrodes have a second centroid, which represents a position where a capacitance change contributed by the central electrode occurs. An average distance from the first centroid to all possible touch points in the border electrodes is shorter than an average distance from the second centroid to all possible touch points in the central electrodes.
|DISPLAY CONTROL APPARATUS AND DISPLAY CONTROL METHOD - A display control device for controlling a display apparatus is provided. The display apparatus includes a touch panel and is for displaying an image signal of a computer host. The display control device includes a touch panel controller and a screen controller. The touch panel controller controls the touch panel to perform touch sensing and accordingly generates a touch control signal. The screen controller controls the display apparatus to operate between an adjustment mode and a display mode according a mode signal. When the display apparatus operates in the adjustment mode, the screen controller performs on-screen display (OSD) control according to the touch control signal to adjust the display apparatus. When the display apparatus operates in the display mode, the touch control signal is transmitted to the computer host to control the computer host.
|DECOMPRESSION CIRCUIT AND ASSOCIATED COMPRESSION METHOD AND DECOMPRESSION METHOD - A decompression circuit for decompressing data includes a first decompression unit and a second decompression unit. The data sequentially includes a compressed first string, a compressed distance-length pair and a compressed second string. The first decompression unit performs a first decompression on the data to obtain a first string, a distance-length pair and a second string. The second decompression unit receives and decompresses the first string, the distance-length pair and the second string. The first decompression unit does not involve data associated with the distance-length pair when decompression the second string.
|DECOMPRESSION CIRCUIT AND ASSOCIATED DECOMPRESSION METHOD - A decompression circuit includes a first decompression unit and a second decompression unit. The first decompression unit performs a first decompression operation on data to generate first decompressed data. The first decompressed data includes a plurality of literals and a distance-length pair. The second decompression unit receives the first decompressed data, and sequentially performs a second decompression operation on the literals and the distance-length pair to generate second decompressed data. After the second decompression unit receives the distance-length pair from the first decompression unit and before the second decompression unit completes decompressing the distance-length pair, the second decompression unit transmits data required for the subsequent first decompression operation performed by the first decompression unit to the first decompression unit according to the distance-length pair.
|MULTIMODE RECEIVER WITH COMPLEX FILTER - One aspect of the present invention includes a radio frequency (RF) receiver having a first mixer and a second mixer. The first mixer may be an I-mixer and the second mixer a Q-mixer for downconverting the received RF signal. An impedance circuit is disposed between the first mixer and the second mixer to decouple the channels. In another aspect of present invention, the RF receiver includes a digital filter having at least one complex coefficient. The digital filter exhibits asymmetrical frequency response, and may be used to compensate the asymmetrical frequency response of another filter in the RF receiver.
|DATA ACCESS CONTROL METHOD AND APPARATUS - One embodiment of the present invention discloses a data access method comprising: (a) receiving a plurality of data units consisting of filtered data units and un-filtered data units; (b) filtering the filtered data units; (c) storing the un-filtered data units; (d) recovering the timings of the un-filtered data units stored in the step (c) according to the received timings of the data units received in the step (a); (e) inserting replacement data units to replace the filtered data units, wherein each of the replacement data units has the same timing as each of the filtered data units; and (f) outputting the un-filtered data units and the replacement data units according to the timings of the un-filtered data units and the timing of the replacement data unit.
|METHOD, APPARATUS, AND NON-TRANSITORY COMPUTER READABLE MEDIUM FOR ENHANCING IMAGE CONTRAST - The present invention describes enhancing image contrast comprising the following steps: determining a segmentation point according to at least one segmentation threshold and pixel statistical data of a picture, wherein the segmentation point is utilized to divide the pixel statistical data into a first partial statistical data and a second partial statistical data; and determining a first partial brightness conversion function and a second partial brightness conversion function according to the first and the second partial statistical data, respectively. The first partial brightness conversion function is used to adjust brightness values of multiple pixels in the picture corresponding to the first partial statistical data, and the second partial brightness conversion function is used to adjust brightness values of multiple pixels in the picture corresponding to the second partial statistical data.
|IMAGE MOTION DETECTION METHOD, IMAGE PROCESSING METHOD AND APPARATUS USING THE METHODS - An image processing method for detecting an image motion information between a first image unit and a second image unit is provided. The first image unit and second image unit respectively comprise a plurality of blocks, and each of the blocks comprises a plurality of pixels. The image motion detection method comprises: analyzing pixels at the same position in all blocks of the first image unit to generate a first image statistical information; analyzing pixels at the same position in all blocks of the first image unit to generate a first image statistical information; and comparing the first image statistical information with the second image statistical information to determine the image motion information.
|DIGITAL BROADCASTING RECEIVING SYSTEM AND ASSOCIATED SIGNAL PROCESSING METHOD - A digital broadcasting receiving system is provided. A receiving module receives an M number of symbols each carrying an N number of subcarriers of a control signal. A converting module performs FFT on respective k
|Circuit and Method for Transmitting or Receiving Signal - A circuit, including a receiving path, for converting a first analog radio frequency (RF) input signal to a digital intermediate frequency (IF) input signal, wherein the first analog RF input signal includes a first signal component conforming to a first wireless transmission standard and a second signal component conforming to a second wireless transmission standard; a first digital down converter, for receiving and processing the digital IF input signal to generate a first digital baseband signal corresponding to the first signal component; a second digital down converter, for receiving and processing the digital IF input signal in order to generate a second digital baseband signal corresponding to the second signal component; a first baseband processing module, for processing the first digital baseband signal according to the first wireless transmission standard; and a second baseband processing module, for processing the second digital baseband signal according to the second wireless transmission standard.
|WIRELESS RECEIVING SYSTEM AND SIGNAL PROCESSING METHOD THEREOF - A wireless system including a decoding module, an estimating module and a searching module is provided. The decoding module receives and decodes a packet to generate a decoding result. The estimating module retrieves package length information from the decoding result, and estimates a transmission end time of the packet according to the packet length information. The searching module determines a search start time according to the transmission end time, and starts packet searching at the search start time.
|RF RECEIVER WITH SIDEBAND SYMMETRY CIRCUIT - One aspect of the present invention includes an RF including a first mixer receiving an RF signal. A second mixer also receivers the RF signal. A resonant circuit couples to a common input of the first mixer and the second mixer. A second polyphase reactive circuit coupled to an output of the second mixer. In one embodiment, a direct current circuit coupled to the output of the first mixer, injecting direct current into the system. The resonant circuit is set at a resonance frequency such that a voltage across the second polyphase reactive circuit is a predetermined voltage.
|DATA SAMPLING AND DATA ENCRYPTION/DECRYPTION METHOD AND ELECTRONIC DEVICE UTILIZING THE METHODS - In one embodiment of the present invention, a signal sampling method is provided. It comprises: (a) sampling an input signal with respect to a sampling clock signal; (b) calculating a maximum transition timing and a minimum transition timing of the input signal according to a relation between the sampling in step (a) and a reference timing clock; (c) defining a voltage level transition interval according to the maximum transition timing and the minimum transition timing; and (d) determining phase of the sampling clock signal or phase of the input signal according to the voltage level transition interval.
|SIGNAL FILTERING APPARATUS AND SIGNAL FILTERING METHOD - The present invention provides a signal filtering apparatus, which comprises a control circuit and a filter for receiving a transmitted input signal and generating an output signal. The filter comprises multiple filter taps for processing the transmitted input signal corresponding to different timings with different filter coefficients, respectively, to generate the output signal. The control circuit is configured to shrink at least part of the low-frequency-response filter taps having filter coefficients less than a predetermined value.
|SOUND COLLECTING SYSTEM AND ASSOCIATED METHOD - A sound collecting system includes a plurality of microphones, a distance estimation module and an adjustment module. The distance estimation module estimates a distance to a user to accordingly provide a user distance. The adjustment module adjusts a part or all of the positions of the microphones according to the user distance.
|APPARATUS AND METHOD FOR ESTIMATING CHANNEL EFFECTS - An apparatus for estimating channel effects is provided. A receiving module receives first data and first reference information arriving in a first time period, second data and second reference data arriving in a second time period, and third data and third reference data arriving in a third time period. An estimation module estimates channel effects corresponding to the first and third data, and the first, second and third reference data, respectively. A coefficient calculation module performs a Wiener filter coefficient calculation on the channel effects corresponding to the first, second and third reference data to generate a set of time-domain interpolation coefficients. An interpolation module interpolates the channel effects corresponding to the first third data according to the set of time-domain interpolation coefficients to generate a channel effect corresponding to the second data.
|IMAGE ACCESS METHOD AND IMAGE ACCESS APPARATUS - An image access method applicable to an image access device is provided. The method includes: providing a plurality of codes that respectively represent a plurality of image sources; determining a plurality of sets of access settings according to a pixel format arrangement, each set of access setting corresponding to a code arrangement combination composed of the codes; and sequentially accessing data of the image sources by the image access apparatus according to the code arrangement combinations corresponding to the access settings.
|TOUCH DETECTION METHOD AND ASSOCIATED APPARATUS - A method for touch detection is provided for detecting a touch point on a display device. The method includes: providing a display signal, according to which the display device has two parts of a vertical blanking interval within each frame period, wherein the two parts of the vertical blanking interval are discontinuous; and performing a touch detection in the two parts of the vertical blanking interval, respectively. The touch detection method is capable of performing multiple touch detections within one frame period.
|TOUCH PANEL AND CORRECTING APPARATUS THEREOF - A touch panel correcting apparatus for correcting a first coordinate and a second coordinate associated with a touch position is provided. The correcting apparatus includes a memory and a controller. The memory stores a look-up table storing a plurality of corrected coordinates. The controller selects a corrected first coordinate from the look-up table according to the first coordinate, and substitutes the corrected first coordinate and the second substitute into a function to generate a corrected second coordinate corresponding to the second coordinate.
|Soft Demapper, Calculating System, and Method for Calibrating Soft Data of Multimedia Data Stream - By determining a scaling factor for scaling signals according to a signal having low bit error rates, and by adjusting soft data using the scaling factor, when soft data are simulated using the Gaussian Model having obvious errors with respect to reality, impacts of signals having low bit error rates are effectively amplified so that impacts of signals having high bit error rates are effectively reduced on the contrary. As a result, the obvious errors introduced by using the Gaussian Model and a low broadcast quality of digital television signals caused by said obvious errors can be neutralized.
|CAPACITIVE TOUCH CONTROL SYSTEM AND DRIVING APPARATUS THEREOF - A driving apparatus for an electrode in a capacitive touch control system is provided. The driving apparatus includes a signal generating module and an adjusting module. The signal generating module generates a driving signal. The adjusting module is connected between the signal generating module and the electrode, and generates an adjusted signal according to the driving signal to replace the driving signal. The adjusting module controls a rising edge or a falling edge of the waveform of the adjusted signal, so that a high-frequency component in the adjusted signal is less than that in the driving signal.
|METHOD AND ASSOCIATED APPARATUS FOR PROCESSING VIDEO DATA - A method and associated apparatus for processing video data are provided. The video data includes a first frame formed by a plurality of macroblocks. The method includes providing a memory, deblocking a first macroblock in the first frame, and writing the deblocked macroblock into the memory. The step of writing the deblocked macroblock lets a plurality of pixel data of the deblocked macroblock to be stored to a first storage space at consecutive addresses in the memory.
|IMAGE PROCESSING APPARATUS AND ASSOCIATED METHOD - An image processing apparatus for processing multiple sets of first image data of an image in a first color space is provided. The first color space is defined by multiple color components excluding a saturation component. The image processing apparatus includes a converting module, a gain determining module and an adjusting module. The converting module converts the multiple sets of first image data to multiple sets of image data in a second color space. The second color space is defined by multiple second color components including the saturation component. The gain determining module determines a saturation gain according to a part of the multiple sets of second data associated with the saturation component. The adjusting module adjusts the image according to the saturation gain.
|ELECTRONIC DEVICE AND POWER MANAGEMENT CONTROL METHOD - A power management method and associated electronic device are provided. The electronic device includes a power management circuit and a control circuit. The control circuit is powered by a power path. The power management method includes detecting whether the control circuit is powered, forwarding a control authority of the power path to the control circuit when the control circuit is powered, and forwarding the control authority to the power management circuit when the control circuit is not powered.
|DATA ACCESSING METHOD AND ELECTRONIC APPARATUS UTILIZING THE DATA ACCESSING METHOD - A data access method applicable on an electronic apparatus is provided. The electronic apparatus comprises a control unit, a first storage apparatus, and a second storage apparatus. The method comprising: storing a first part of data and a second part of data of a data group in the first storage apparatus and the second storage apparatus, respectively; and selectively accessing the first storage apparatus and the second storage apparatus via different data paths for the first part of data and the second part of data, wherein access speed to the first storage apparatus is different from access speed to the second storage apparatus.
|SIGNAL RECEIVING APPARATUS AND SIGNAL RECEIVING METHOD - A signal receiving apparatus, applicable in a wireless system calibrating direct current offset, includes: an adjusting circuit arranged to receive an receiving signal having a first DC (Direct Current) signal, and adjust the first DC signal to generate the receiving signal having a second DC signal according to an adjusting signal; a first arithmetic circuit arranged to generate an error signal according to the second DC signal and a target DC signal; and a second arithmetic circuit arranged to calculate an error signal slope according to the error signal, and update the adjusting signal according to the error signal slope and the error signal.
|IMAGE PROCESSING METHOD AND IMAGE PROCESSING APPARATUS - An image processing method is disclosed according to one embodiment of the present invention. The method comprises receiving an image according to a first timing signal having at least one first active pixel time period, at least one first horizontal blanking time period and a first vertical blanking time period; and outputting the image according to a second timing signal having at least one second active pixel time period, at least one second horizontal blanking time period and a second vertical blanking time period. A pixel number corresponding to the first active pixel time period equals to a pixel number corresponding to the second active pixel time period. The second horizontal blanking time period is less than the first horizontal blanking time period. The second vertical blanking time period is larger than the first vertical blanking time period.
|ELECTRONIC APPARATUS HIBERNATION RECOVERY SETTING METHOD AND ELECTRONIC APPARATUS HAVING HIBERNATION STATE AND HIBERNATION RECOVERY MECHANISM - An electronic apparatus hibernation recovery setting method for an electronic apparatus is provided. The method includes: assigning different priorities to multiple tasks in process before the electronic apparatus enters a hibernation state; storing multiple image files of the tasks; and first reading and loading the image file for the task having a highest priority when the electronic apparatus recovers from the hibernation state.
|MULTIMEDIA DATA STREAM FORMAT, METADATA GENERATOR, ENCODING METHOD, ENCODING SYSTEM, DECODING METHOD, AND DECODING SYSTEM - By determining multimedia positioning frames, by generating a metadata according to address information of the multimedia positioning frames and the number of multimedia frames following each of the multimedia frames, and by relocating the multimedia frames following each of the multimedia frames, a data storage amount of the metadata can be reduced. Further, when a user wishes to view a specific multimedia frame of a specific time point, the specific multimedia at the specific time point can be decoded and played without having to complete download of all multimedia frames preceding the specific time point.
|WIRELESS RECEPTION SYSTEM AND METHOD FOR ESTIMATING CHANNEL EFFECT THEREOF - A wireless reception system includes a reception module, a preliminary estimation module, an equalization module and a selection module. The reception module receives a reference signal and at least one input signal transmitted via a multipath environment. The reference signal is associated with a known signal unaffected by the multipath environment. The preliminary estimation module generates a plurality of candidate channel effects according to the at least one input signal. The equalization module performs equalization on the reference signal according to the candidate channel effects to generate a plurality of equalization results. From the equalization results, the selection module selects an optimal equalization result that is most similar to the known signal, and selects the candidate channel effect corresponding to the optimal equalization result to represent the multipath environment.
|FREQUENCY MULTIPLIER AND SIGNAL FREQUENCY-MULTIPLYING METHOD - A frequency multiplier includes a first impedance module, a second impedance module, a first path and a second path. When the first path is conducted, the first impedance module generates a first output signal and the second impedance module generates a second output signal. When the second path is conducted, the first impedance module generates a third output signal and the second impedance module generates a fourth output signal. The first and second paths are not conducted simultaneously. A frequency of a first combination signal generated from the first and third output signals and a frequency of a second combination signal generated from the second and fourth output signals are N times of a frequency of the input signal, where N is a positive rational number.
|ELECTRONIC DEVICE AND METHOD FOR CONTROLLING THE SAME - A method for controlling an electronic device is provided. The method includes detecting a first tilt angle between the electronic device and a reference plane, and controlling the electronic device to perform an operating according to the first tilt angle. The operation is associated with a user interface operation or an audio/video playback operation.
|CARRIER FREQUENCY OFFSET COMPENSATION APPARATUS AND ASSOCIATED METHOD - A carrier frequency offset compensation method for a communication system is provided. The method includes: mixing, filtering and interpolating an input signal according to a mixing parameter, a first filtering parameter and a first interpolation parameter, respectively, to generate a processed result; calculating a carrier frequency offset estimation value of the input signal according to the processed result; adjusting the mixing parameter according to the carrier frequency offset estimation value; and mixing, filtering and interpolating the input signal according to the adjusted mixing parameter, a second filtering parameter and a second interpolation parameter, respectively. The first interpolation parameter is associated with a cut-off frequency corresponding to the first filtering parameter.
|TIMING RECOVERY APPARATUS AND METHOD - A timing recovery apparatus for compensating a sampling frequency offset of an input signal is provided. The timing recovery apparatus includes a timing error corrector configured to generate an output signal according to the input signal and a calibration signal, a gain controller configured to adjust at least one of a signal edge low-frequency error component and a signal edge high-frequency error component of the output signal and accordingly generate an adjusted signal, a timing error detector configured to generate an error signal according to the adjusted signal, and a calibration signal generator coupled to the timing error detector and the timing error corrector, for generating the calibration signal according to the error signal and outputting the calibration signal to the timing error corrector to compensate the sampling frequency offset of the input signal.
|SIGNAL COUPLING CIRCUIT AND ASSOCIATED METHOD - A signal coupling circuit for generating an output signal according to an input signal is provided. The signal coupling circuit includes: a coupling capacitor, configured to generate a coupling signal according to the input signal; a clock generating circuit, configured to generate a clock and determine a duty cycle of the clock by the coupling capacitor; a discharge circuit, configured to intermittently discharge the coupling capacitor according to the duty cycle of the clock; and an output circuit, coupled to the coupling capacitor, for generating the output signal according to the coupling signal.
|PAGING INDICATOR TRANSMISSION METHOD, SYSTEM AND RECEPTION DEVICE FOR MOBILE COMMUNICATION SYSTEM - A paging indicator transmission method for a mobile communication system includes the following steps. In step S
|POWER AMPLIFYING APPARATUS AND WIRELESS SIGNAL TRANSMITTER UTILIZING THE SAME - A power amplifying apparatus is provided. A reference signal generator provides a reference signal having an enabling state and a disabling state. A digital power amplifier generates a current based on the reference signal and an input signal. An output signal of the digital power amplifier is related to the current. When the reference signal is in the enabling state, the current is related to the input signal. When the reference signal is in the disabling state, the current is irrelevant to the input signal. During the enabling state of the reference signal, a data generator provides an output alternating between an in-phase signal and a quadrature-phase signal as the input signal to the digital power amplifier. When the reference signal is in the disabling state, the data generator provides a fixed signal as the input signal to the digital power amplifier.
|CARRIER AND SAMPLING FREQUENCY OFFSETS ESTIMATION METHOD AND ASSOCIATED APPARATUS APPLIED TO MULTI-CARRIER COMMUNICATION SYSTEM - An offset estimation apparatus for a multi-carrier communication system is provided. The offset estimation apparatus includes an FFT unit configured to transform a reception signal and to generate multiple symbols, a conjugate multiplier configured to receive and conjugate multiply two consecutive symbols corresponding to predetermined subcarrier indices to generate multiple correlating complex numbers, a powering unit configured to raise the correlating complex numbers by a received exponent to generate multiple powered correlating complex numbers, and a calculation unit configured to estimate a frequency offset according to the powered correlating complex numbers.
|3D USER INTERFACE DISPLAY SYSTEM AND METHOD - A three-dimensional (3D) user interface display system is provided. The system includes a surface type determination module, an auto-stereoscope module, a rendering module, a frame buffer module, a graphics processor and a display module. The surface type determination module determines whether each visible surface is a two-dimensional (2D) or 3D surface. The auto-stereoscope module performs an auto-stereoscopic process on the 2D surface according to a mode adopted by the 3D surface. The rendering module renders the 3D surface or the auto-stereoscopically processed 2D surface from the auto-stereoscope module. The frame buffer module frame buffers the rendered by the rendering module. The graphics processor interleaves or interpolates the frame buffered surface. The display module displays a final surface.
|SIGNAL PROCESSING APPARATUS AND ASSOCIATED METHOD - A signal processing apparatus includes: a signal conversion circuit, for performing a signal conversion operation on a reception signal to generate a first output signal according to a first clock signal, and performing the signal conversion operation on the reception signal according to a second clock signal to generate a second output signal; an amplitude adjustment circuit, coupled to the signal conversion circuit, for calculating an amplitude value of the reception signal according to the first output signal, and accordingly adjusting an amplitude of the reception signal; and a phase adjustment circuit, for adjusting a phase of the second clock signal according to the second output signal.
|CHANNEL SCANNING METHOD FOR DIGITAL VIDEO BROADCASTING SATELLITE SIGNAL - A channel scanning method for Digital Video Broadcasting—Satellite (DVB-S) signals is provided. The method includes: scanning a radio frequency (RF) signal according to a normal frequency step; when the N
|VIDEO DATA CONVERSION METHOD, DEVICE AND SMART TV - A video data conversion method is provided. The video data conversion method comprises the following steps. Video images currently played on a video source are captured, and are converted into dynamic texture data having a size and a format that meet requirements of a three-dimensional (3D) engine. The dynamic texture data is sent to the 3D engine, which then generates a map from the dynamic texture data. The map is mapped to a 3D user interface (UI) to generate a dynamic texture map.
|Fast Lo Leakage Calibration of Direct Up-Conversion Transmitters Using Three Measurements - A direct conversion transmitter has a mixer stage to up-convert an input signal to the frequency of a local oscillator (LO). A DC offset circuit is coupled to an input signal port to apply a set of DC offset signal values. A processor determines a set of optimal DC offset signal values by no more than three differential spectral measurements made at the transmitter output port with a test signal applied at the input port. Optimal DC offset signal values are those that, when applied to the input signal at the input port of the transmitter, minimize an LO leakage component of the transmit signal at the output signal port of the transmitter. The optimal DC offset values are stored in memory and retrieved and applied to information bearing signals provided as the input signal once those optimal DC offset values have been determined.
|MEMORY ACCESS AUTHORITY CONTROL METHOD AND MEMORY MANAGEMENT SYSTEM THEREOF - A memory access authority control method and a memory management system utilizing the method. By partitioning and designating permissible memory access intervals to different service programs in one system, it is ensured that each service program cannot access other service programs' confidential data. Thus, the security of confidential data is guaranteed.
|CONVOLUTIONAL DEINTERLEAVING APPARATUS AND ASSOCIATED METHOD - A convolutional deinterleaving apparatus includes a memory and a control module. The control module stores a plurality of sets of data into the memory according to a deinterleaving rule. The plurality of sets of data are of a same group. After determining a representative channel state indicator according to an N number of channel state indicators corresponding to an N number of sets of data in the group, the control module stores the representative channel state indicator into the memory. The N number of sets of data of the same group correspond to a same carrier frequency.
|USER INTERFACE GENERATING APPARATUS AND ASSOCIATED METHOD - A user interface apparatus and associated method are configured to estimate a distance to a user and display a graphic user interface according to the distance, so as to adaptively adjust a display image of the user interface according to the distance.
|DIRECT-CONVERSION TRANSMITTER AND COMMUNICATION SYSTEM UTILIZING THE SAME - A direct-conversion transmitter including an oscillator, a frequency divider, a transmitter, and a filter is provided. The oscillator generates an oscillating signal with an original frequency. The frequency divider performs frequency dividing on the oscillating signal, so as to generate a carrier signal. The transmitter receives the carrier signal from the frequency divider and generates an output signal based on the carrier signal and a data signal. The filter is coupled between the frequency divider and the transmitter. The filter filters out an interference signal fed-back from the transmitter to the oscillator, wherein the interference signal may cause the oscillating signal to float.
|FREQUENCY MULTIPLIER AND ASSOCIATED METHOD - A frequency multiplier and associated method are provided, wherein the frequency multiplier includes a waveform generator and a slicer. The waveform generator generates a waveform in response to an input signal, and the slicer induces transitions in an output signal whenever the waveform crosses each of a plurality of reference levels, such that a frequency of the output signal is a multiple of a frequency of the input signal.
|DIGITAL QUADRATURE TRANSMITTER USING GENERALIZED COORDINATES - In one embodiment, a sequence of a plurality of pairs of in-phase (I) and quadrature (Q) modulated signal samples are applied to a radio frequency digital-to-analog converter (RFDAC) for upconversion. A phase of a local oscillator (LO) signal supplied to the RFDAC is selected according to a quadrant determined by signs of a given pair of I and Q modulated signal samples. The selected phase of the LO is supplied to the RFDAC for use in upconverting the sequence of I and Q modulated signal samples. In another embodiment, a current steering DAC is used for directly upconverting the I and Q modulated signal samples. A clock signal at four times the LO frequency is supplied to a counter and to the current steering DAC. One of the I and Q modulated signal samples and negative I and negative Q modulated signal samples is selected for supply to an input of the current steering DAC based on a count state of the counter.
|Motion Estimation Method - A motion estimation method applied to a video signal having a first frame and a second frame is provided. The motion estimation method includes: capturing a matching window from the first frame; capturing a searching area from the second frame, the searching area including a plurality of searching blocks each having a size equal to that of the matching window; selecting one of the searching blocks; calculating a difference between pixel data of the selected searching blocks and pixel data of the matching window, so as to obtain N total differences corresponding to N searching blocks; and determining a motion vector corresponding to the matching window according to the N total differences.
|TOUCH PANEL CONTROL SYSTEM, CAPACITANCE DETECTION APPARATUS AND METHOD THEREOF - A capacitance detection apparatus for a touch panel includes an N number of capacitors. The detection apparatus generates an N number of different input signals, and provides an i
|STREAM DATA PROCESSOR - Techniques are provided aimed at improving the flexibility and reducing the area and power consumption of digital baseband integrated circuits by using stream data processor based modem architecture. Semiconductor companies offering baseband ICs for handsets, face the challenges of improving die size efficiency, power efficiency, performance, time to market, and coping with evolving standards. Software defined radio based implementations offer a fast time to market. Dedicated hardware designs give the best die size and power efficiency. To combine the advantages of dedicated hardware with the advantages of conventional software defined radio solutions the stream data processor is partitioned into a stream processor unit, which implements processing functions in dedicated hardware and is hence die size and power efficient, and a flexible stream control unit which may be software defined to minimise the time to market of the product.
|IMAGE PROCESSING METHOD AND ASSOCIATED APPARATUS - An image processing method is provided. The image processing method, applied to a local computer for processing a first type image having a first size and a second type image having a second size, includes the following steps. The first type image is scaled by a first scaling ratio such that a scaled first type image has a third size. The scaled first type image having the third size is blended with the second type image having the second size. The first type image is received from a remote computer and the second type image is received from the local computer.
|METHOD AND ASSOCIATED METHOD FOR COORDINATE CORRECTION OF TOUCH CONTROL - A method for coordinate correction of touch control is provided. An original x-coordinate and an original y-coordinate are corrected according to a total sensing value, the original x-coordinate and the original y-coordinate provided by touch sensing of a touch panel. The method includes providing an estimated x-axis correction value according to the original x-coordinate and the total sensing value, generating a corrected x-coordinate according to the estimated x-axis correction value and the original x-coordinate, and providing a corrected y-coordinate according to the original x-coordinate, the corrected x-coordinate and the total sensing value.
|Multiplexed Configurable Sigma Delta Modulators for Noise Shaping in a 25-Percent Duty Cycle Digital Transmitter - A modulator generates a baseband digital signal from an information-bearing digital signal. The baseband signal has time-varying phase and amplitude defined by a sequence of complex data words, each having an in-phase (I) component and a quadrature (Q) component. A noise-shaping modulator generates a noise-shaped digital signal from the baseband digital signal such that quantization noise in the noise-shaping modulator is attenuated by a spectral null of its noise transfer function. The spectral null is selected by a noise-shaping parameter corresponding to a selected one of a plurality of output frequencies. A signal converter generates an analog signal conveying the information of the information-bearing digital signal on an analog carrier signal having the selected output frequency.
|MEMORY SPACE CONFIGURATION METHOD APPLIED IN VIDEO SIGNAL PROCESSING APPARATUS - A memory space configuration method applied in a video signal processing apparatus is provided. The method includes: arranging a first memory space and a second memory space in a memory, the first and second memory spaces being partially overlapped; determining a type of a signal source; when the signal source is a first video signal source, enabling a first processing circuit and buffering data associated with the first video signal source by using the first memory space; and, when the signal source is a second video signal source, enabling a second processing circuit and buffering data associated with the second video signal source by using the second memory space. The second processing circuit is disabled when the first processing circuit is enabled; the first processing circuit is disabled when the second processing circuit is enabled.
|LEVEL SHIFTER AND OPERATIONAL AMPLIFIER - A level shifter includes a signal receiving module, including at least one signal receiving end for receiving at least one input signal and being conducted or non-conducted according to the input signal; a level adjusting module, configured to generate the adjusted output signal according to the input signal, wherein the level adjusting module includes a first connection end and a second connection end, the second connection end is coupled to the signal receiving module; and a switch module, including a first end coupling to the first connection end and a second end coupling to the second connection end. If the switch module is conducted, an current path is formed between the first connection end, the second connection end and the signal receiving module through the switch module. If the switch module is not conducted, current is blocked from flowing from the first connection end to the second connection end.
|DELAY CIRCUIT - A delay circuit for receiving an input signal and generating a delayed output signal. The delay circuit includes a first delay module and a second delay module. The first delay module includes a first delay unit for generating a first delayed signal according to an input signal and a first logic unit, coupled to the first delay unit, for generating a first delayed output signal according to the first delayed signal and the input signal. The second delay module includes a second delay unit for generating a second delayed signal according to the first delayed output signal and a second logic unit, coupled to the second delay unit, for generating the delayed output signal according to the second delayed signal and the input signal.
|INTEGRATION SYSTEM AND TEST SYSTEM FOR INCORPORATING PLURAL APPLICATION PROGRAMS - An integration system includes a transmission port, a port management module, a first service module and a second service module. The port management module includes a port management unit for managing the transmission port. The first service module corresponds to a first application program among a plurality of application programs, and assists the first application program to communicate with the port management module. The second service module corresponds to a second application program among the application programs, and assists the second application program to communicate with the port management module. The port management module allows the first service module and the second service module to share a control authority of the port management unit.
|MOBILE COMMUNICATION DEVICE AND ASSOCIATED CONTROL METHOD - A mobile communication device for a wireless communication network includes an evaluation module, a determination module and an informing module. The evaluation module evaluates a connection ability between the mobile communication device and a plurality of base stations. The determination module determines whether a report is to be issued according to the connection ability and a customized rule different from a standard rule. The standard rule corresponds to a threshold of the connection ability defined by the wireless communication network. When a determination result of the determination module is yes, the informing module issues the report to the wireless communication network.
|SELF-CAPACITIVE TOUCH CONTROL APPARATUS AND CONTROL METHOD THEREOF - A self-capacitive touch control apparatus includes a plurality of electrodes, a plurality of sensors, and a number determining module. The sensors detect capacitance changes in the electrodes to generate a plurality of sensing results. The number determining module calculates a total sensing amount according to the sensing results, and determines the number of touch points according to the total sensing amount.
|CHARGING/DISCHARGING CIRCUIT AND PLL CIRCUIT USING THE SAME - A charging/discharging circuit includes a connection terminal, a reference current providing module, an up current module and a down current module. The down current module includes: a first switch module, having a first control terminal, for receiving the down signal to determine whether the first switch module is turned on; a first bias transistor, having a first terminal coupled to the connection terminal, a second terminal coupled to the first switch module, and a control terminal coupled to the reference current providing module; and a first capacitor simulation transistor, having a first terminal and a second terminal coupled to the control terminal of the first switch module, and a control terminal coupled to the control terminal of the first bias transistor.
|RECEIVER IN PHYSICAL LAYER OF MOBILE INDUSTRY PROCESSOR INTERFACE (MIPI-PHY) - A receiver includes a control module, a data receiving circuit and a masking circuit. The control circuit generates an enable signal according to a pair of differential signals provided by a transmitter. Triggered by the enable signal, the data receiving circuits generates an output signal according to the differential signals, and the masking circuit starts masking the output signal. After generating the enable signal, the control module starts providing a bias voltage to the differential signals such that the output signal has a first state. The transmitter adjusts the differential signals to render the output signal to enter a second state from the first state. Upon detecting the output signal having entered the second state, the control module stops providing the bias voltage and generates a disable signal to prompt the masking circuit to stop masking the output signal.
|FREQUENCY OFFSET ESTIMATION METHOD AND ASSOCIATED APPARATUS APPLIED TO MULTI-CARRIER COMMUNICATION SYSTEM - A frequency offset estimation method for a multi-carrier communication system is provided. The method includes: transforming a representation of a reception signal from a time domain to a frequency domain, and generating a plurality of symbols; calculating a correlation of two symbols among the symbols, and obtaining a plurality of correlating complex numbers corresponding to a plurality of subcarriers; generating M number of candidate subcarrier position sets according to a subcarrier position set of a specific signal and M number of candidate frequency offsets; calculating M number of calculated values according to the correlating complex numbers corresponding to the M number of candidate subcarrier position sets; and determining a frequency offset according to the maximum calculated value among the M number of calculated values.
|LOCAL OSCILLATION GENERATOR, ASSOCIATED COMMUNICATION SYSTEM AND METHOD FOR LOCAL OSCILLATION GENERATION - A local oscillation generator includes a multi-phase circuit and a multiplexer. The multi-phase oscillator provides a plurality of multi-phase oscillation signals of a same frequency and different phases. The multiplexer conducts one of the multi-phase oscillation signals to an output end in different time slots to provide an output oscillation signal. The frequency of the multi-phase oscillation signals is the same as a fundamental frequency, and the frequency of the output oscillation signal is different from the fundamental frequency. Thus, the local oscillation generator provides a local oscillation signal according to the output oscillation signal such that the fundamental frequency is different from the frequency of the local oscillation signal.
|DISPLAY METHOD AND ASSOCIATED APPARATUS - A display apparatus and associated method are provided. The display apparatus receives a display frame having an output width-height ratio, and outputs an image frame according to a screen width-height ratio. The output width-height ratio is different from the screen width-height ratio. The display method includes obtaining an image region and a subtitle region from the display frame, generating a subtitle according to the subtitle region, generating the image frame according to the image region, and displaying the image frame and the subtitle.
|DESCRAMBLING APPARATUS AND TELEVISION SYSTEM UTILIZING THE SAME - A descrambling apparatus includes a descrambling module and a one-time programmable module. The descrambling module descrambles an input data stream. When the one-time programmable module is in a first status, the descrambling module descrambles the input data stream by a first mode. When the one-time programmable module is in a second status, the descrambling module descrambles the input data stream by a second mode.
|BROADCAST METHOD AND BROADCAST APPARATUS - A broadcast apparatus is provided. The broadcast apparatus is signally connected to an input apparatus, which generates a plurality of corresponding control signals according to a plurality of operations. A broadcast method is also provided. The broadcast method includes: receiving one of the control signals; determining identification information and a set of broadcast parameters when the one of the control signals matches a tag; and broadcasting according to the set of broadcast parameters.
|ERROR CORRECTION APPARATUS AND ASSOCIATED METHOD - An error correction apparatus for a digital signal received by a signal reception terminal includes two error correction modules. The first error correction module performs first error correction on an input signal to generate an intermediate signal satisfying a termination condition. The second error correction module receives and selectively performs second error correction on the intermediate signal to generate a corrected signal. The termination condition is associated with a maximum error correction capability of the second error correction.
|METHOD FOR ESTIMATING FREQUENCY DIFFERENCE - A method for estimating a frequency difference between a transmission terminal and a reception terminal according to a reception signal is provided. The method includes steps of: in a first period, receiving and storing a first part of the reception signal; in a second period, frequency shifting the first part of the reception signal according to an L number of sweep frequencies, and correspondingly obtaining multiple first part correlation results, where L is a positive integer; in the second period, receiving and storing a second part of the reception signal; in a third period, frequency shifting the second part of the reception signal according to the L number of sweep frequencies, and correspondingly obtaining multiple second part correlation results; and estimating the frequency difference according to the first and second part correlation results.
|OPERATION MODE SWITCHING MODULE AND ASSOCIATED METHOD - An operation mode switching module for a switching a near-field communication device between a sleep mode and a communication mode is provided. The operation mode switching module includes a driver, a detector, and a state machine. The driver drives a resonant circuit to generate an oscillation signal. The detector detects a level of effect of the environment upon the oscillation signal. The state machine determines whether to switch the near-field communication device from the sleep mode to the communication mode according to the level of effect of the environment upon the oscillation signal.
|APPARATUS FOR MIMO CHANNEL PERFORMANCE PREDICTION - The invention describes a method for predicting the performance of the MLD receiver in MIMO channels. The method is based on the iterative principle where the performance of the MLD decoder is derived from that of an iterative receiver architecture with similar performance. The described Iterative MIMO Effective SNR (IMES) technique maps the performance of each MIMO channel realization into a set of effective SNR values for the different streams. This set of effective SNR values can then be used to provide link adaptation feedback to the transmitter so that the most suitable transmission format can be selected according to the characteristics of the propagation channel. Alternatively, this information can be used to adapt the receiver processing to the channel conditions, thereby making it possible, for example, to reduce the receiver power consumption in good signal conditions.
|DIGITAL DATA-AIDED FREQUENCY OFFSET ESTIMATION - Techniques are provided herein for digital data-aided frequency offset estimation offering better performance and increased accuracy over existing solutions. These new techniques also allow a trade-off between complexity and accuracy to be performed. The embodiments of the techniques for frequency offset estimation can be used for correction in both feedback and feed-forward control.
|ELECTRONIC APPARATUS AND CONTROL METHOD THEREOF - An electronic includes a read-only memory (ROM), a random access memory (RAM), a processing module, a demand paging module and a decompression module. The ROM stores multiple sets of compressed data corresponding to a plurality of sets of uncompressed data. The plurality of sets of uncompressed data are divided from one same set of original data. According to a request associated with the set of original data and from the processing module, the demand paging module selects one or more sets from the multiple sets of compressed data. The decompression module decompresses and stores the selected one or more sets of compressed data to the RAM for use of the processing module.
|Method and Apparatus for Generating Thumbnail File - A method for generation a thumbnail file is provided. The method includes: receiving a command; obtaining time information corresponding to the command and a frame to be output; adjusting the frame to be output to a predetermined resolution according to a resolution of the frame to be output to generate a thumbnail; and generating the thumbnail file according to the time information and the thumbnail.
|TOUCH CONTROL SYSTEM AND CONTROL METHOD THEREOF - A touch control system includes a touch sensing panel, a display device, a switch element and a controller. When the switch element is in a first state, the controller generates position information corresponding to a touch point when the touch sensing panel is touched, and provides the touch position information to a user. Once the switch element is switched from the first state to a second state, the controller performs a target procedure corresponding to a last touch point on the touch sensing panel. The controller does not perform the target procedure when the switch element is in the first state.
|CIRCUIT LAYOUT METHOD AND ASSOCIATED PRINTED CIRCUIT BOARD - A circuit layout method for a printed circuit board (PCB) is provided. The method includes forming a pair of signal traces on the PCB, and disposing a ground trace between the pair of signal traces. The pair of signal traces and the ground trace are located at a same layer of the PCB, and the ground trace renders the pair of transmission traces to have predetermined impedance. An associated PCB is also provided. The PCB includes a circuit layer, and a ground layer for grounding. The circuit layer includes a pair of signal traces, and a ground grace disposed between the pair of signal traces. The circuit layer is different from the ground layer. Based on the circuit layout method and the associated PCB, an electronic apparatus not only complies with mobile high-definition link (MHL) requirements regarding impedance between signal traces but also offers reduced costs.
|SELF-CAPACITIVE TOUCH PANEL - A self-capacitive touch panel including a border electrode and a central electrode is provided. The border electrode has a first centroid. The central electrode has a second centroid A first average distance from the first centroid to all possible touch points in the border electrode is smaller than a second average distance from the second centroid to all possible touch points in the central electrode.
|Transceiver and Noise Cancellation Method for Radio-Frequency Identification - A transceiver for radio-frequency identification (RFID) is provided. The transceiver includes a transmitter, a receiver and a noise canceller. The transmitter transmits a carrier signal to an antenna. The receiver receives a wireless signal from the antenna. The noise canceller generates a feedback current according to a part of the carrier signal, and feeds the feedback current to an input of the receiver to cancel noises in the wireless signal. Further, the noise canceller adjusts the feedback current according to the signal strength of the noises in the wireless signal.
|SEARCH METHOD FOR WIRELESS COMMUNICATION SYSTEM - A searching method for finding a target location in a variable space is provided. The variable space is constructed by a set of variables and has multiple sub-spaces. The target location renders an output result of a wireless communication system to satisfy a target value. The search method includes steps of: providing the set of variables; identifying a target sub-space where the target location is located from the sub-spaces; obtaining a plurality of gradients of the output result at a predetermined location from the target sub-space, each of the gradients corresponding to a direction of change; and selecting one from the directions of change according to the gradients, and changing values of the set of variables according to the selected direction of change to find the target location.
|TESTING SYSTEM AND TESTING METHOD FOR TOUCH DEVICE - A testing system for a touch device includes a touch simulation module, a control module and a determination module is provided. The touch simulation module includes multiple conductive elements respectively corresponding to multiple touch sensing regions of the touch device. The control module selectively provides a testing signal to one or multiple of the conductive elements. The determination module determines whether the touch device correctly responds a testing that the control module provides to the device under testing through the touch simulation module.
|SENSING METHOD ON SENSING DEVICE BY SMART TERMINAL AND SMART TERMINAL USING THE SAME - A sensing method for a smart terminal to interact with a sensing device in a remote control device is provided. The sensing method includes following steps. The first step is that the smart terminal obtains a current sensing device usage information. The second step is according to the current sensing device usage information and the previous sensing device usage information pre-stored in the smart terminal, the smart terminal determines whether a change occurs in a sensing device usage situation. When the change occurs in the sensing device usage situation, the remote control device associated with the smart terminal and carrying a plurality of sensing devices is notified.
|METHOD, APPARATUS AND COMPUTER FOR LOADING RESOURCE FILE FOR GAME ENGINE - A method for loading a resource file for a game engine is provided. The method includes: activating a thread to a preload a predetermined resource file, wherein the predetermined resource file includes a texture resource file, and one or both of a structure resource file and a model resource file; and accessing and loading one or both of the structure resource file and the model resource file through memory mapping. The provided method increases a loading speed while loading a game resource file and fully utilizes computer resources.
|METHOD AND DEVICE FOR STORING AND DECODING HYBRID AUTOMATIC REPEAT REQUEST TRANSMISSION BLOCK - A method and a device for storing and decoding a hybrid automatic repeat request (HARQ) transmission block are provided. The method includes obtaining an HARQ transmission block including at least one block during a downlink signal transmission, and storing the code block that cannot be correctly decoded to a divided storage space of a buffer. The storage space of the buffer is dynamically divided in a unit of code blocks.
|SECOND-ORDER INTERMODULATION DISTORTION CALIBRATION APPARATUS, SYSTEM AND METHOD - A second-order intermodulation distortion calibration apparatus is provided. The calibration apparatus is applied to a radio-frequency (RF) transceiver, which includes a transmitter for providing an RF signal, and a receiver that is at the same time a target to be calibrated. The calibration apparatus includes a calibrator. The calibrator utilizes a logic circuit in the transmitter to generate two modulation signals having different frequencies, and utilizes two transmission paths to up-convert and combine the two modulation signals to an RF transmission signal. The calibrator further channels the RF transmission signal to the receiver to accordingly adjust second-order non-linear behaviors of the receiver and to detect a signal strength of a second-order crossover component caused by the receiver due to the second-order non-linearity. After the calibration process, the calibrator provides a control signal to minimize the signal strength of the second-order crossover component.
|REFERENCE VOLTAGE GENERATION CIRCUIT - A reference voltage generation circuit includes an auto-activation unit, an operational amplifier unit, and a tail current resistor. An input of the operational amplifier is grounded via the tail current resistor. The auto-activation unit is coupled to the operational amplifier so that the circuit operates at an operating point. A reduction of current noises, circuit area, and overall cost occurs implemented through the described tail current unit
|SUCCESSIVE INTERFERENCE CANCELLATION METHOD AND APPARATUS AND DETECTION METHOD AND APPARATUS USING SUCCESSIVE INTERFERENCE CANCELLATION - A successive interference cancellation method includes: determining whether a current interfering user channel is a service cell channel of a service cell or a neighbor cell channel of a neighbor cell; correcting a phase rotation of a user signal of the neighbor channel when the interfering user channel is the neighbor cell channel; determining a tentative ruling for a user signal of the neighbor cell channel; restoring the phase rotation of the user signal of the neighbor cell channel; performing a signal reconstruction on the neighbor cell channel to obtain a reconstructed signal of the neighbor cell channel; removing the reconstructed signal of the neighbor cell channel from a reception signal to obtain a corrected signal, and completing successive interference cancellation on the current interfering user channel. With the above successive interference cancellation method, accuracy of successive interference cancellation as well as system detection performance is enhanced.
|CHANNEL AND NOISE ESTIMATION METHOD AND ASSOCIATED APPARATUS - A channel and noise estimation method includes: performing channel estimation on a received signal to obtain a real channel estimation value; filtering the real channel estimation value to obtain a filtered channel estimation value; calculating a biased noise power value, a biased signal power value, a biased noise correlation and a biased signal correlation according to the filtered channel estimation value; calculating an unbiased noise power value, an unbiased signal power value, an unbiased noise correlation and an unbiased signal correlation according to the biased noise power value, the biased signal power value, the biased noise correlation and the biased signal correlation.
|METHOD, APPARATUS AND COMPUTER FOR GENERATING REFLECTION TEXTURE - A method for generating a reflection texture includes steps of: obtaining a visible mirror plane area, which is formed by projecting a 3D bounding box enveloping a mirror plane to a 2D visible window; inverse mapping mirror viewpoints in the mirror plane to obtain a 3D view frustum; and symmetrically rendering a 3D object inside or intersecting the view frustum to a specular texture to generate a reflection texture. By symmetrically rendering only 3D objects inside or intersecting the view frustum, 3D objects impossibly projected to the mirror plane are eliminated to reduce the time required for rendering the specular texture.
|SELF-CAPACITIVE TOUCH PANEL - A self-capacitive touch panel including a border region and a central region is provided. The border region has a first area and corresponds to a P number of first sensors. The central region has a second area and corresponds to a Q number of second sensors. A ratio of P to the first area is greater than a ratio of Q to the second area.
|AUTHORIZATION METHOD AND SYSTEM FOR SMART TV AND SMART TV APPLYING THE SAME - An authorization method for a smart TV is provided. When an application is to be activated, it is determined whether machine authorization information is stored. When the machine authorization information is stored, a client certificate corresponding to the application is searched for. When the client certificate is found, it means the application is authorized. The application authorized by a server can then be activated.
|Automated Compiler Specialization for Global Optimization - Techniques are provided herein for the offline static analysis of a stable code base in order to build a compiler and tools specialised to that code base. This allows global code base knowledge to be applied earlier in the compilation process giving better opportunities for optimisation. The offline static analysis produces specialized compiler components that are then used to rebuild the compiler. This results, over time, in a compiler specialized to the code base with improved optimization after every compiler release cycle.
|PHASE INTERPOLATING APPARATUS AND METHOD - The present invention discloses a phase interpolating apparatus comprising: a first signal generation circuit, configured for generating a first signal having a first phase; an optional second signal generation circuit, configured for generating a second signal having the first phase; a third signal generation circuit, configured for generating a third signal having a second phase; a fourth/fifth signal generation circuit, configured for generating a fourth signal having a third phase when operating in a first mode and for generating a fifth signal having the second phase instead of the fourth signal when operating in a second mode; and a phase interpolator, configured for generating an interpolated signal without utilizing the fourth signal when operating in the first mode and for generating the interpolated signal according to the first signal, the third signal, and the fifth signal when operating in the second mode.
|LOW NOISE AMPLIFIERS FOR MULTIPLE RADIO STANDARDS - Low noise amplifiers and related control methods for multiple radio standards are disclosed. An exemplary low noise amplifier comprises input ports, an output port, amplifier stages, and a degeneration inductor. Each amplifier has a gain stage and a buffer stage connected in series. The buffer stage selectively channels an output of the gain stage to the output port or a power supply. The degeneration inductor is commonly connected to the gain stage in each of the amplifier stages.
|Efficient Energy Use in Low Power Products - Techniques are provided that can extend the efficiency of a switching regulator further into the low current region by making use of the available knowledge on predictable load variations and voltage ripple tolerance across different states, providing improved efficiency and reducing total current consumption. The load current requirement in low power states is provided using switch mode rather than linear regulation, the switch mode operation being controlled by a mode dependent control circuit so as to minimize the energy cost of the switching operation in each mode and thus obtain improved efficiency from the power source.
|MUTUAL CAPACITIVE TOUCH PANEL AND TOUCH CONTROL SYSTEM - A single-layer mutual capacitive touch panel operable under control of a controller is provided. The mutual capacitive touch panel includes a first driving electrode, a second driving electrode, N number of first receiving electrodes surrounding the first driving electrode, M number of second receiving electrodes surrounding the second driving electrode, a driving channel, and (N+M) number of receiving channels. The controller simultaneously sends a driving signal to the first driving electrode and the second driving electrode via the driving channel. When sending the driving signal, the controller receives (N+M) number of sensing results via the (N+M) number of receiving channels. The N number of first receiving electrodes and the M number of second receiving electrodes correspond to different receiving channels.
|LOW-NOISE AMPLIFIERS FOR RF RECEIVER - Disclosed are low-noise amplifiers and SAW-less receivers. An exemplary amplifier includes at least two amplifier modules. The amplifier modules share a common output node and comprise a common input to which the amplifier modules are AC or DC coupled for receiving an inbound RF signal. The amplifier modules operate at different biases.
|TOUCH PANEL - A touch panel including multiple electrodes is provided. The electrodes form a sensing area and are disposed on a same plane. The sensing area has a first border and a second border that are substantially perpendicular to each other. The electrodes include one parallelogram electrode. The parallelogram electrode has two first sides parallel to the first border and two second sides parallel to neither the first border nor the second border.
|Non-Overlapping Clock Generator - A non-overlapping clock generator including an enabling module and N pulse-generating modules connected as a ring is provided. When the ith input node has a high voltage level, the enabling module enables the ith pulse-generating module so as to trigger the ith pulse-generating module to discharge the ith input node. After the ith input node has been discharged to a low voltage level, the ith pulse-generating module charges the ith output node to the high voltage level.
|PLAYBACK METHOD AND APPARATUS - A video/audio playback method is provided which can provide simultaneous, multi-language support for consumers of television and multimedia. The method includes steps of: receiving a first playback data and a second playback data; converting first character information in the first playback data into a first audio signal; and simultaneously playing the first audio signal, and a second audio signal corresponding to the second playback data. The first audio signal and the second audio signal respectively correspond to a first playback language and a second playback language.
|Image Synchronization Method and Associated Apparatus - An image synchronization method for a three-dimensional (3D) display apparatus is provided. The method includes steps of: receiving a plurality of first-eye image frames and a plurality of second-eye image frames; selecting a first image frame from the first-eye image frames according to a system time; selecting a second image frame from the second-eye image frames according to a timestamp of the first image frame; and outputting the first image frame and the second image frame.
|Audio Decoding Method and Associated Apparatus - An audio decoding method is provided. In the audio decoding method, a synchronization word and a corresponding packet header are inserted at the beginning of each packet data. A position of the packet data is confirmed according to the synchronization word, and the packet data is then decoded according to information in the packet header. Accordingly, when an error occurs during the decoding process, the decoding process skips to a next packet data for decoding to avoid noise. In addition, a packet header can be directly accessed in the situation of a fast-forward operation to obtain decoding information of the packet data to perform audio decoding.
|TESTING METHOD AND TESTING APPARATUS FOR TELEVISION SYSTEM - A testing apparatus, coupled to a mobile storage device, includes a control module and an intermediate module. The intermediate module, coupled to a television system and the mobile storage device, is for switching a subordinate status of the mobile storage device. The control module controls the intermediate module to write target data into the mobile storage device, and to allow the mobile storage device to output the target data to the television system.
|IMAGE PROCESSING APPARATUS AND ASSOCIATED METHOD - An image processing apparatus includes a first memory, a second memory, a buffer, a fetching module and a processing module. The first memory module stores an original image having a first width. The buffer has a second width smaller than the first width. The fetching module fetches a sub-image of the original image from the first memory and stores the fetched sub-image into the buffer. The processing module performs an image processing process on the sub-image stored in the buffer to generate a processed sub-image. The processed sub-image is then stored into the second memory.
|User Equipment and Method for Radio Link Monitoring - Techniques are provided for a radio link quality monitoring method and apparatus wherein a given user equipment device receives a plurality of Orthogonal Frequency Division Multiplex symbols that comprise a plurality of resource elements distributed in time and frequency, and which include reference symbols. The objective of the radio link quality monitoring is to predict the user equipment detection probability of control messages transmitted by the base station. The radio link quality estimation process calculates two average signal to noise ratio values over the complete frequency bandwidth for two assumed control channel formats corresponding to in-sync and out-of-sync conditions. The results of the calculations are then used to deduce the average error probabilities that are compared with predefined thresholds to provide the in-sync/out-of-sync indications.
|METHOD AND DEVICE FOR CONTROLLING SUBTITLE APPLIED TO DISPLAY APPARATUS - A method for controlling subtitles applied to a display apparatus is provided. The method is capable of dynamically adjusting a subtitle of an original image. The original image includes a right-eye frame and a left-eye frame. The right-eye frame includes right-eye subtitle information, and the left-eye frame includes left-eye subtitle information. The method includes the steps of: determining an adjusted subtitle display mode; determining a shift distance of the right-eye subtitle information and the left-eye subtitle information; and adjusting the shift distance according to the adjusted subtitle display mode or a given 3D depth, such that an adjusted subtitle presented by the right-eye frame and the left-eye frame shows an adjusted subtitle 3D depth. The adjusted subtitle display mode includes a static display mode and a dynamic 3D display mode.
|HARDWARE CONTROL METHOD AND APPARATUS - A hardware control method for multitasking drivers under a user mode is provided. The control method includes steps of: receiving a request for access to a hardware device from a current process under the user mode; determining whether the current process has obtained a mutual exclusion (mutex) of the hardware device; if affirmative, determining whether an identification of the current process and an identification of a previous process accessed the hardware device are the same; if negative, performing a context switch on the current process and the previous process accessed the hardware device to allow the current process to access the hardware device. Accordingly, when accessing complicated hardware devices, the disclosure significantly enhances driver performance under a user mode while also implementing secured random access to hardware devices in a multitasking environment.
|METHOD AND ASSOCIATED APPARATUS FOR VIDEO DECODING - A method for video decoding includes: dividing a plurality of luma component data of a reference frame into a plurality of primary data and a plurality of secondary data, respectively stored in a first memory region and a second memory region; accessing the first memory region to perform a motion estimation; and accessing the second region to perform a luma motion compensation.
|MEASURING DEVICE AND ASSOCIATED METHOD FOR MEASURING RESPONSE SPEED OF DISPLAY PANEL - A measuring device for measuring a response speed of a display panel is provided. The measuring device includes a microcontroller and at least one photo sensor. The microcontroller provides a control command, according to which a display controller of the display panel provides test pattern to the display panel. The photo sensor senses a test frame displayed corresponding to the test pattern by the display panel, and provides a corresponding sensing signal associated with brightness and a response signal. According to the response signal, the response speed of the display panel is calculated.
|STEREOSCOPIC APPAREL TRY-ON METHOD AND DEVICE - A stereoscopic apparel try-on method is provided. The method includes steps of: obtaining a pair of human body images of a user taken at different visual angles; constructing a human body stereoscopic model according to the pair of human body images; querying an apparel database for a stereoscopic apparel model having a size matching a size of the human body stereoscopic model; and generating a stereoscopic apparel try-on result image according to the human body stereoscopic model and the stereoscopic apparel model.
|VARIABLE-GAIN LOW NOISE AMPLIFIER - The present disclosure relates to variable-gain low noise amplifiers and RF receivers. An exemplary method for processing a RF signal provides a low noise amplifier with main and auxiliary amplifier modules. When a selection indicates the low noise amplifier operating in a high-gain mode, the main and auxiliary amplifier modules are coupled in parallel. When the selection indicates the low noise amplifier operating in a low-gain mode, the main and auxiliary amplifier modules are cross coupled. When a selection indicates the low noise amplifier operating in a moderate-gain mode, the auxiliary amplifier modules are disconnected from the main amplifier module.
|Method and Associated Apparatus for Clock-Data Edge Alignment - An edge alignment apparatus includes: a signal source, for generating a first and a second square wave signals; a phase delay circuit, for receiving the first and the second square wave signals to generate a delayed first and a delayed second square wave signals; a data circuit, for generating a third square wave signal according to the delayed second square wave signal; and a phase calibrating circuit, for receiving the third square wave signal and the delayed first squared wave signal to generate at least one phase tuning signal to the phase delay circuit for tuning a phase difference between the delayed first and the delayed second square wave signals, such that a signal edge of the third square wave signal aligns with that of the first square wave signal. The first, second and third square wave signals have a same frequency.
|Control Channel Demodulating and Decoding Method and Communication Apparatus Using the Same - Techniques are provided for a demodulation and decoding method and apparatus for a given user equipment device to receive a one or more Orthogonal Frequency Division Multiplex (OFDM) symbols over a control channel, where the OFDM symbols comprise a plurality of resource element groups distributed in time and frequency that are combined to form control channel elements. Those resource element groups that form specific control channel elements for the user equipment device and those resource element groups that form common control channel elements for one or more user equipment devices including the given user equipment device are identified. The resource element groups that form the specific control channel elements and the resource element groups that form the common control channel elements are demodulated to generate encoded control messages comprising one or more control channel elements.
|METHOD FOR SETTING PANEL PARAMETER AND ASSOCIATED CONTROLLER - A method for automatically setting a panel parameter of a display device is provided. The display device includes a controller and a display panel. The method includes steps of: storing a plurality of panel parameters respectively corresponding to different types of panels to a non-volatile memory; detecting a status signal of a predetermined pin, the status signal corresponding to the type of the display panel; selecting one panel parameter from the panel parameters according to the status signal; and generating an output signal according to the selected panel parameter by the controller.
|METHOD AND DEVICE FOR TRANSMITTING A SIGNAL USING A TRANSMISSION POWER MASK - Method for transmitting a signal using a transmission power mask is disclosed. The signal is transmitted by a transceiver A and is connected to a transceiver B via at least one physical link; wherein the transmission power mask is adapted according to a transfer function relative to the impedance of the physical link, so as the power lost during signal transmission is taken into account
|Apparatus and Method for Correcting Phase Error - An apparatus for correcting a phase error is provided. The apparatus includes an error estimating module and a correcting module. The error estimating module receives a phase-shift keying signal, and calculates a phase error according to the phase-shift keying signal, a plurality of known candidate signals and Bayesian estimation. The correcting module corrects the phase-shift keying signal according to the phase error.
|Oscillation Signal Generator, In-Phase/Quadrature Oscillation Signal Generator and Associated Signal Processing Method - An oscillation signal generator includes a quadrature voltage-controlled oscillator (QVCO), a phase corrector and a frequency adjusting circuit. The QVCO provides multiple oscillation signals having difference phases. The phase corrector selects one of the oscillation signals as a first oscillation signal and outputs the first oscillation signal from a first output terminal, and selects one of the oscillation signals as a second oscillation signal and outputs the second oscillation signal from a second output terminal. A phase difference between the first and second oscillation signals satisfies a predetermined relationship. The frequency adjusting circuit is coupled to the phase corrector, and generates a quadrature signal and an in-phase signal according to the oscillation signals. The frequency of the oscillation signals is a non-integral multiple of the frequencies of the quadrature and in-phase signals.
|IMAGE EDITING METHOD AND ASSOCIATED METHOD FOR ESTABLISHING BLUR PARAMETER - An image editing method for editing an original image is provided. The original image includes at least a first object and a second object. The method includes steps of: obtaining a first distance between the first object and a lens; obtaining a second distance between the second object and the lens; obtaining a blur matrix set according to the first distance and an optical parameter; obtaining a first blur matrix from the blur matrix set according to the second distance; and performing a blur process on the second object according to the first blur matrix to generate a blurred second object, and generating a simulated image from the first object and the blurred second object.
|FUNCTION-BASED SOFTWARE COMPARISON METHOD - A method for comparing a first subroutine and a second subroutine in functionality, includes: defining a plurality of instruction sets, each instruction set associated with a corresponding instruction set process; obtaining a first program section and a second program section from a first subroutine and a second subroutine, respectively, and categorizing the first subroutine and the second subroutine to one of the instruction sets, respectively; performing a program section comparison process to select and perform one of the instruction sets according to the instruction set to which the first program section is categorized and the instruction set to which the second program section is categorized, so as to compare whether the first program section and the second program section have identical functions, and to accordingly determine whether the first subroutine and the second subroutine are equivalent in functionality.
|Signal Processing Method and Associated Apparatus - A signal processing apparatus for receiving a spectral line of an original signal includes a starting point determining module, a searching module and a symbol rate determining module. The starting point determining module finds a maximum energy in the spectral line and determines at least one search starting point according to the maximum energy. From the at least one search starting point, the searching module searches along the spectral line towards a region with a lower energy for at least one minimum energy satisfying a predetermined condition. The symbol rate determining module determines a symbol rate of the original signal according to the at least one minimum energy.
|MUTUAL CAPACITIVE TOUCH PANEL AND TOUCH CONTROL SYSTEM - A mutual capacitive touch panel includes electrodes arranged in N rows and multiple control channels. The electrodes arranged in N rows are formed on a same plane and are unconnected to one another. Each row of electrodes includes multiple unconnected electrodes. The control channels are formed on the same plane with the electrodes arranged in N rows. Each electrode corresponds to one control channel. A controller cooperating with the mutual capacitive touch panel sends driving signals and receives sensing results via the control channels.
|MULTI-IMAGE SWITCHING METHOD AND SYSTEM - A multi-image switching method is provided. The switching method includes steps of: establishing a connection between a portable device and a smart device, and fetching a program source list from the smart device; transmitting a watch request message to the smart device according to a user-selected program source from the program source list, wherein the watch request message includes program source identification information; and receiving program information, which is corresponding to the program source identification information and replied by the smart device in response to the watch request message, and providing the program information to the portable device for display. Therefore, according to the embodiments, the same or different program information may be simultaneously viewed on the portable device and the smart device after establishing the connection between the portable device and the smart device through a handshake protocol.
|REMOTE MONITORING METHOD FOR SMART TV, AND SMART TV SYSTEM - A remote monitoring method and apparatus for a smart TV and a smart TV system are provided. Real-time status information of the smart TV and/or an external device is retrieved and transmitted to a remote device, such that the remote device in real-time monitors the smart TV and/or the external device according to the real-time status information. Real-time monitoring on smart appliances in a smart appliance control system can be achieved without requiring additional dedicated devices, thereby lowering production costs and maintenance costs as well as saving resources and enhancing user experiences.
|REMOTE CONTROL METHOD, SYSTEM AND ASSOCIATED APPARATUS FOR SMART TV - A remote control method for a smart TV is provided. The method includes: the smart TV receiving function request information from a portable device in a network based on Universal Plug and Play (UPnP); the smart TV transmitting function information to the portable device in response to the function request information; the smart TV receiving hardware information including control information replied from the portable device according to the function request information; and the smart TV performing an operation control according to the hardware information. Thus, user experiences and interests are enhanced by controlling the smart TV through somatosensory system control or touch control.
|CONTROL SYSTEM FOR TOUCH SCREEN - A control system for a touch screen is provided. The control system includes a voltage-level shifter between a screen controller and a touch controller. The voltage-level shifter level-shifts a common voltage for driving the screen to a corresponding timing signal with an input signal range acceptable by the touch controller.
|FREQUENCY ADJUSTMENT METHOD - A frequency adjustment method is provided for adjusting a frequency of a reference oscillating signal from an initial oscillation frequency to an adjusted oscillation frequency. The frequency adjustment method includes steps of: dividing a frequency scan section into M scan frequencies; down-converting a signal according to the M scan frequencies to obtain M down-converted signals; performing a correlation calculation operation on the M down-converted signals, respectively, to obtain M correlation results; grouping the M scan frequencies into N frequency groups each containing P selected frequencies, with the P selected frequencies corresponding to P consecutive scan frequencies; performing a group calculation on the N frequency groups, respectively, to obtain N group calculation results; and selecting a target frequency group from the N frequency groups according to the N group calculations results, and obtaining the adjusted oscillation frequency from the target frequency group.
|Electronic Apparatus and Method Utilized in Stereo Glasses - An electronic apparatus utilized in stereo glasses is provided. The electronic apparatus includes a first receiver, a second receiver, and a synchronization controller. The first receiver receives a first synchronization signal, and the second receiver receives a second synchronization signal. The transmission mechanism of the second synchronization signal is different from that of the first synchronization signal. The synchronization controller coupled to the first and the second receivers synchronizes left-eye/right-eye shutter glasses of the stereo glasses with a corresponding left-eye/right-eye frame of a stereo image according to at least one of the first and second synchronization signals.
|Image Adjusting Apparatus and Associated Method - An image adjusting method for extending vertical blanking intervals of an image signal is provided. Using the image adjusting method, an adjusted image signal is synchronized with an image signal before the adjustment to prevent image delay. The image adjusting method comprises providing a first image signal having a first data enable signal, wherein the first data enable signal has a first data enable duration; and generating a second data enable signal having a second data enable duration. The first and second data enable durations correspond to a same image frame of an image signal, and the second data enable duration substantially overlaps the first data enable duration.
|Digital TV Data Processing Method and System Thereof - A digital TV data processing method includes: (a) when a first channel digital TV data corresponding to a first channel is displayed, storing a second channel digital TV data corresponding to a second channel, the second channel digital TV data including an audio data and a video data; (b) when the first channel is switched to the second channel, decoding the video data of the stored second channel digital TV data at a first rate; and (c) when the decoding catches up a real-time second channel digital TV data corresponding to the second channel, decoding subsequent second channel digital TV data at a second rate and displaying a corresponding real-time decoding result; wherein the first rate is higher than the second rate.
|IMAGE PROCESSING METHOD AND ASSOCIATED APPARATUS - An image processing apparatus includes a memory, a processing unit and an overdriving unit. The memory stores a data-truncated previous frame. The processing unit performs edge detection on the previous frame, and performs an image smoothing process according to an edge detection result to generate a processed previous frame. The overdriving unit performs an overdriving process according to the processed previous frame and a current frame to generate an output frame.
|Capacitance Detecting Apparatus and Capacitive Touch Control System Using the Same - A capacitance detecting apparatus, coupled to a capacitor to be measured, includes a first capacitor, a second capacitor, a control module and a judging module. The first and second capacitors are coupled to the capacitor to be measured via an input node. The control module provides a first voltage-drop variation to the first capacitor and a second voltage-drop variation to the capacitor to be measured to introduce a third voltage-drop variation to the second capacitor. The first and second voltage-drop variations cause charge flowing from the first capacitor to the input node have a same sign with charge flowing from the input node to the capacitor to be measured. The judging module determines capacitance of the capacitor to be measured according to capacitance of the first and second capacitors as well as the first, second and third voltage-drop variations.
|Transceiver IQ Calibration System and Associated Method - A transceiver in-phase and quadrature (IQ) calibration method is provided. When calibrating the transceiver, an adjusting unit is connected to an output terminal of a transmitter to receive a first radio-frequency (RF) signal. The adjusting unit adjusts a phase delay of the first RF signal to generate a second RF signal to be inputted to an input terminal of a receiver. Through adjusting the phase delay of the first RF signal, both the transmitter and the receiver can be calibrated at the same time.
|IMAGE PROCESSING SYSTEM AND IMAGE PROCESSING METHOD - An image processing system includes a difference detecting module for determining whether second image data is identical to first image data to generate a determination result, and an image processing module for processing the first image data to generate a first image processed result and selectively processing the second image data. The image processing module includes a data path and a control path. According to a reference clock signal, the first and second image data are transmitted via the data path, and the determination result is transmitted via the control path. When the determination result is affirmative, the reference clock signal provided to the data path is gated, so that, without processing the second image data, the image processing module outputs the first image processed result as a second image output corresponding to the second image data.
|Method and Associated Apparatus for Determining Signal Timing of Wireless Network Signal - A method for determining signal timing of a wireless network signal is provided. The method includes: performing match-filtering on the wireless network signal transmitted by one or multiple antennas to provide a match value distribution, performing moving averaging on the match value distribution to provide an accumulation distribution, searching a peak of the accumulation distribution to provide a central timing according to a timing at which the peak occurs, and determining the signal timing (e.g., a symbol boundary) of the wireless network signal according to the central timing.
|APPARATUS AND METHOD FOR DETECTING SYMBOL RATE - A symbol rate detection apparatus includes an analog-to-digital converter (ADC), a coarse detection module, a mixer, a down-sampling module, and a fine detection module. The ADC converts an analog input signal to a digital input signal at an original sampling frequency. The coarse detection module estimates a carrier frequency offset and a coarse symbol rate according to the digital input signal. The mixer adjusts the frequency of the digital input signal according to the carrier frequency offset to generate a frequency-compensated signal. The fine detection module determines a fine symbol rate according to the frequency-compensated signal.
|BUILT-IN SELF-TEST CIRCUIT APPLIED TO HIGH SPEED I/O PORT - A built-in self-test circuit (BIST) applied to a high speed I/O port is provided. The BIST circuit includes a detecting unit, a flag unit and a selecting unit. The detecting unit has a first input terminal for receiving a serial output signal, a second input terminal for receiving a serial enable signal, and an output terminal for generating a detection signal. The flag unit receives the detection signal and generates a flag signal. The selecting unit receives the serial output signal, the serial enable signal and the flag signal. When a reset signal is at a first level, the selecting unit transmits the serial output signal and the serial enable signal to the I/O port. When the reset signal is at a second level, the serial output signal and the serial enable signal possesses a predetermined relationship.
|TELEVISION SYSTEM AND METHOD FOR MANAGING APPLICATIONS THEREIN - A storage medium disposed in a television is provided. A code of a television software system is stored in the storage medium. The television software system includes a first application, a second application and an application management module. The first application has a first function library. The second application has a second function library different from the first function library. The application management module manages the first application and the second application according to the first function library and the second function library, respectively.
|METHOD FOR IMPLEMENTING TOUCH SCREEN ON DISPLAY PANEL AND ASSOCIATED APPARATUS - A method for implementing a touch screen on a display panel and associated apparatus is provided. Cross locations of source lines and gate lines of the display panel are arranged for sensing a user touch control. In a sensing phase for sensing touch control, capacitance changes due to the touch control are sensed via the source lines. In a display phase, driving electricity is transmitted via the source lines for driving the display panel to display.
|APPARATUS AND METHOD FOR DATA PACKING - A data packing apparatus for continuously receiving current data is provided. The apparatus includes N barrel shifters, a controller and a packing module. The controller determines a shift amount according to a length of previous residual data, and controls the N barrel shifters to sequentially perform M barrel shifts on current merging data to achieve the shift amount, noting that N is an integer greater than or equal to two, and M is a natural number smaller than or equal to N. The packing module merges the previous residual data and the current merging data passed through the N barrel shifters. The maximum shift amounts of the M barrel shifts are smaller than a threshold associated with a length of an operation cycle. The current merged data is a part or all of the current data.
|METHOD, SYSTEM AND TELEVISION FOR PICTURE REPRODUCTION - A method, system, and television for television picture reproduction via a network is provided. The television receives picture reproduction request information sent from a terminal device, real-time encodes video and audio data inputted from a multimedia server, respectively packs the encoded video and audio data into video data packets and audio data packets, and sends the video data packets and the audio data packets to the terminal device. The terminal device performs playback according to the video data packets and the audio data packets. Thus, the method accomplishes television picture reproduction through a network to fulfill short-distance picture reproduction requirements without occupying resources and network bandwidth of the multimedia server.
|FILE PROGRAMMING METHOD AND ASSOCIATED DEVICE FOR NAND FLASH - A file programming method for a flash memory is provided. The method includes steps of: obtaining a section description file and corresponding allocation information and user data while generating burning files, wherein the section description file includes section description information of at least one section and the allocation information includes the number that the burning file is to be generated; determining a file type corresponding to a section file according to the section description information; and generating the burning files utilizing the user data according to section description information, the number that the burning file is to be generated corresponding to the section description information, and the file types corresponding to the section files.
|DETECTION METHOD AND APPARATUS FOR HOT-SWAPPING OF SD CARD - A detection method for detecting a hot-swapping status of a Secure Digital (SD) card is provided. The detection method includes steps of: transmitting an inquiry command to the SD card at a predetermined frequency when an application requiring the hot-swapping status of the SD card is activated; receiving a current command return message replied in response to the inquiry command, wherein the current command return message includes information indicative of a presence or information indicative of an absence of the SD card; determining the hot-swapping status according to a previous command return message and the current command return message; and replying the determined hot-swapping status to the application.
|DETECTION METHOD AND APPARATUS FOR HOT-SWAPPING OF SD CARD - A detection method for hot-swapping of a Secure Digital (SD) card is provided. The detection method includes steps of: transmitting an inquiry command to an card reader at a predetermined frequency; receiving a command return message replied in response to the inquiry command; determining whether the SD card is removed or plugged according to the command return message; and detecting a hot-swapping status of the SD card in real-time to provide an accurate status of the SD card for upper-layer applications.
|Apparatus and Method for Processing Three-Dimensional Image - An apparatus for processing a three-dimensional (3D) image is provided. The apparatus includes a motion estimation module and a motion interpolation module. The motion estimation module estimates a motion vector between a first object in a first-eye image and a second object in a second-eye image. The first object is the same as or similar to the second object. The motion interpolation module multiplies the motion vector by a first shift ratio to generate a first motion vector. The motion interpolation module generates a shifted first object by interpolation according to the first motion vector and the first object.
|REPAIR METHOD AND DEVICE FOR ABNORMAL-ERASE MEMORY BLOCK OF NON-VOLATILE FLASH MEMORY - A repair method for an abnormal-erase memory block of a non-volatile flash memory is provided. The method includes steps of: sequentially scanning bit data in a page of a block when reading data in a NAND flash; determining whether the page is an abnormal-erase page; setting logic "0" bit data in the page to logic "1" when the page is an abnormal-erase page; and re-erasing the block.
|REMOTE CONTROLLER WITH DUAL POWER SUPPLY UNITS - A remote controller with dual power supply units is provided. The remote controller controls an electronic apparatus. The remote controller includes a housing, a first sub-system and a second sub-system. The first sub-system is disposed in the housing and includes a first power supply unit for powering the first sub-system. The first sub-system further generates a first signal for controlling the electronic apparatus to perform a first operation. The second sub-system is disposed in the housing and includes a second power supply unit for powering the second sub-system. The second sub-system further generates a second signal for controlling the electronic apparatus to perform a second operation.
|AMPLIFIER FOR WIRELESS RECEIVER AND ASSOCIATED METHOD - An amplifier for wireless receivers and an associated method is provided. The amplifier provides an output signal to an output terminal in response to an input signal received from an input terminal, and further includes a first block and a second block. The first block is coupled between the input terminal and the output terminal, and includes a gain control terminal and a first transistor. The gain control terminal is coupled to a gain control signal, while the gain control signal is provided such that the first transistor is kept operating in a triode region, and a gain of the output signal over the input signal can be seamlessly tuned in response to the gain control signal.
|Method and Associated Apparatus Applied to Receiver of Wireless Network for Determining Quantity of Antennas of Transmitter - A method applied to a receiver of a wireless network for determining an unknown quantity of antennas of a transmitter according to a received network is provided. The method includes: delaying the network signal according to a sum of a reference period and an estimated shift interval to provide a delayed signal; calculating a correlation between the network signal and the delayed signal to generate a correlation index; comparing the correlation index and a threshold to provide a comparison result; and determining the unknown quantity of transmitting antennas according to the comparison result.
|VOICE CONTROL SYSTEM AND ASSOCIATED CONTROL METHOD APPLIED TO ELECTRONIC APPARATUS - A control method for a voice control system applied to an electronic apparatus is provided. The method includes: launching a predetermined audio receiving period and lowering an output volume of the electronic apparatus when determining to receive an audio signal for controlling the electronic apparatus; receiving the audio signal and executing a corresponding command; and restoring the output volume of the electronic apparatus when the predetermined audio receiving period ends. The audio signal is for controlling the electronic apparatus.
|Signal Processing Method for Touch Panel and Touch Panel System - A signal processing method for a touch panel is provided. The touch panel includes several capacitor electrodes. The method includes the following steps. Detection values are provided according to self-capacitance changes of the capacitor electrodes. The detection values are then low-pass filtered by a filter structure to generate several filtered values. A position where a touch event occurs on the touch panel is determined according to the filtered values.
|PACKET RECEIVER AND PACKET PROCESSING METHOD THEREOF - A packet processing method applied in a packet receiver is provided. An approximate bit rate is first determined according to time stamps of two different packets. The approximate bit rate is corrected according to a time stamp of another packet to generate a fine-tuned bit rate. According to the fine-tuned bit rate, one or more subsequent packets are read out from a buffer. The time stamp of a subsequent packet is provided according to the approximate bit rate.
|TESTING METHOD AND TESTING APPARATUS FOR TV SYSTEM - A testing apparatus for a television system is provided. The testing apparatus includes an analysis module, a signal generating module, a transmitting module, a receiving module, and a judging module. The analysis module receives and analyzes a control signal to generate an analysis result.
|METHOD AND ASSOCIATED APPARATUS FOR POWER-SAVING DISPLAY - A method for power saving of display devices is provided. The method includes: while displaying a frame on a display, providing a representative data luma according to a plurality of original data lumas of a plurality of pixels of the frame, mapping a representative data luma value of a frame and a corresponding original drive value to a target display luma value according to the display characteristic, providing a power-saving data luma and a power-saving drive by mapping the target display value to a reference curve to display the frame.
|TESTING METHOD AND TESTING APPARATUS FOR TESTING FUNCTION OF ELECTRONIC APPARATUS - A method for testing a function of an electronic apparatus is provided. The method includes steps of: searching for a location corresponding to the function to be tested, sending a command according to the location to perform the function to be tested, and determining whether an error occurs in the function according to a response from the function in response to the command.
|TOUCH SENSING DEVICE AND APPARATUS AND TOUCH SENSING METHOD - A touch sensing device is provided. The touch sensing device includes a multiplexer and a control unit, and is electrically connected to a touch panel. The touch panel includes a plurality of first-direction electrodes; a plurality of second-direction electrodes; and a dielectric layer, for generating at least one electric field change corresponding to at least one touch point in response to the at least one touch point. The at least one electric field change is generated at an overlapping region of the first-direction and second-direction electrodes. The multiplexer is electrically connected to the touch panel via the first-direction and second-direction electrodes, and selectively performs voltage driving or voltage sensing for the first-direction and second-direction electrodes. In response to an operating mode change, the control unit changes a control signal to be transmitted to the multiplexer and receives a sense signal from the multiplexer.
|ELECTRONIC SYSTEM AND MEMORY MANAGING METHOD THEREOF - A method for managing a flash memory including a plurality of blocks is provided. Each block includes a plurality of sets of a first page and a second page configured in pair. In response to a request for writing target data into a target block, at least one cache block is selected from the blocks. The target data is then written into the first pages in the at least one cache block. When a write-back condition is established, the target data is written from the cache block back to the target block.
|Method and Associated Apparatus of Communication Parameter Detection - A method of communication parameter detection for detecting a temporal length of a guard interval of cyclic messages in a communication is provided. The method includes: searching peaks of an autocorrelation signal in the communication signal, and providing a peak for each cyclic message; sorting a time difference between two consecutive peaks to one of bins of a histogram, and determining the temporal length of the guard interval according to a result of the histogram; while a peak is found, providing a signal average according to an average of the autocorrelation signal over an average calculating period, comparing whether a ratio of the peak to the signal average is greater than a threshold, and accordingly detecting whether the communication signal carries valid information.
|Enabling Half Duplex Frequency Division Duplex (HD-FDD) Operation of User Equipments in Full Duplex Frequency Division Duplex (FD-FDD) Network - The current invention provides simplifications to the user equipment (UE) radio front end module for the cellular handset or dongle through modification of the existing 3GPP specifications for LTE and WCDMA/HSPA+ in order to support half duplex (HD) operation. The option to support HD operation is provided without mandating upgrades to all existing base stations that have already been deployed. The instant invention further prevents HD UEs from attaching to any base stations which do not support HD operations. The instant invention further provides inter-frequency cell search periods for enabling HD UEs to communicate with any base stations/cells supporting the HD operations. The instant invention further enables the HSPA+ system to support the HD-FDD mode.
|TAIL-BITING CONVOLUTIONAL DECODER AND DECODING METHOD - Techniques are provided for decoding tail-biting convolutional codes by using information within the received data stream that traditionally has not been used or been available to the convolutional decoder, e.g., cyclic redundancy check (CRC) and bit information known by both the transmitter and receiver. Further, a single parallel trace-back is used that reduces implementation complexity. In addition, the least reliable decisions made during forward processing may be reversed in order to generate additional possible codeword candidates. These techniques can be used to reduce false detection rates (FDRs) and/or detection error rates (DERs).
|EMBEDDED DEVICE AND CONTROL METHOD THEREOF - An embedded device including a random access memory (RAM) and a processor is provided. The processor includes a processor core and an authentication module. The RAM stores data-to-be-authenticated. The data includes a program code to be executed by the processor core. The authentication module periodically accesses and authenticates the data-to-be-authenticated in the RAM. When the authentication module deems that the program code in the RAM loses its integrity, the authentication module interrupts the processor from further executing the program code.
|Method Applied to Receiver of Wireless Network for Frequency Offset and Associated Apparatus - A method applied to a receiver of a wireless network in response to frequency offset is provided. Upon receiving a preamble, a reference symbol is provided according to a long training symbol in the preamble, and a frequency domain transform is performed on the reference symbol to generate a corresponding reference spectrum. A correlation calculation is performed on the reference spectrum and a predetermined spectrum to provide a first frequency offset. The preamble is carried by a plurality of different sub-carrier frequencies, with a frequency difference between neighboring sub-carrier frequencies being equal to a sub-carrier frequency space. The first frequency offset is an integral multiple of the sub-carrier frequency space.
|Method for Panel Color Calibration and Associated Color Calibration System - A method for panel color calibration for corresponding a source input to a calibrated input is provided. From color components of the calibrated input, a primary calibrated component and secondary calibrated components are selected to perform a color characteristic value fitting for the calibrated input. In the color characteristic value fitting, the primary calibrated component is kept unchanged and the secondary calibrated components are adjusted, such that a color characteristic value of the calibrated input matches a target characteristic value. A luma comparison is next performed to determine whether a luma corresponding to the calibrated input obtained from the color characteristic value fitting matches a target luma. When a result from the luma comparison is negative, the primary calibrated component of the calibrated input is updated, and the color characteristic value fitting and the luma comparison are iterated accordingly.
|Processing Method for a Pair of Stereo Images
|Electronic System and Memory Managing Method Thereof - A memory managing method for an electronic system is provided. The electronic system includes an auxiliary memory, and is capable of communicating with a flash memory including a plurality of blocks. Each of the blocks has a logical/physical address mapping relationship. The address mapping relationships are stored in a storage region in the flash memory. The memory managing method first determines whether the address mapping relationships stored in the storage region are correct. The address mapping relationships are copied from the storage region to the auxiliary memory when a determination result is affirmative.
Patent applications by MStar Semiconductor , Inc.