text:
» EXCLUSIVE: Two NEW Bravo Shows Allegedly In The Works – NeNe Leakes & Kim Zolciak-Biermann REUNITE + "Real Housewives of Potomac Mills" Coming Soon » EXCLUSIVE FIRST LOOK: Tina & Teddy Campbell WORK Through Cheating Issues In "Mary Mary" Season Premiere» YBF ON THE SCENE: Terrence J & Keshia Knight Pulliam Spill Their Reasons For Attending College At The White House's "Champions Of Change" Event
HA! Essence Atkins & Miguel Nunez Get Their STEEBIE J & JOSELINE On In "LAHH ATL" SPOOF!
Dec 13 | by Natasha
Actress Essence Atkins is a funny gal. And she flexed her comedy skills again in this new spoof of "Love & Hip Hop: Atlanta". Joseline & Steebie are back up to their old tricks again inside..
"Mr. Box Office" actress Essence Atkins is starring in a new spoof for "LAHH ATL", directed by David Hampton. She's doing her best Joseline and we love it. Actor Miguel A. Nunez, Jr. (Juwanna Mann) is Stevie/Steebie J. And there's even a random appearance by Vern Troyer.
Check out a day in the life of Stevie J. below:
by I_love_laughing
6:42 pm - Dec 14, '12
6:42 pm - Dec 14, '12
Co-sign (Like Really) This
Co-sign (Like Really) This made my day, that ghetto sh!t is going to get played out. I'm dead. lol H@'s can't win on my time. lol
by In God We trust
1:12 pm - Dec 14, '12
1:12 pm - Dec 14, '12
Hello!!! everybody,
Hello!!! everybody, Fashion,low price,the good shoping place, click in. =====★ http://www.gocn2trade.com ★===== Discount Air Jordan (1-24) shoes $35, Air max shoes (TN LTD BW 90 180) $36, Nike/shox (R4, NZ, OZ, TL1, TL2, TL3) $35, Handbags ( Coach Lv fendi D&G) $36, T-shirts (polo, ed hardy, lacoste) $20, Jean (True Religion, ed hardy, coogi)$35, Sunglasses ( Oakey, coach, Gucci, Armaini)$16, Watches(Rolex BREITLING Cartier IWC), New era cap $12, (NFL MLB NBA NHL) jerseys $25, free shipping, Accept credit card payment! =====★ http://www.gocn2trade.com ★=====
by hooklookping
11:51 am - Dec 14, '12
11:51 am - Dec 14, '12
um... NO!! the only funny
um... NO!! the only funny part was when essence slapped him and said "nigga", Only because she doesnt strike me as the type to even say that word
by Nikki Parker
10:22 am - Dec 14, '12
10:22 am - Dec 14, '12
uhhhhh what the fuck!!!
uhhhhh what the fuck!!!
by LetsGetIt
5:19 am - Dec 14, '12
5:19 am - Dec 14, '12
by TeaNicole
1:07 am - Dec 14, '12
1:07 am - Dec 14, '12
the ending made me damn near
the ending made me damn near fall out my seat. lmao
by Classic87
12:31 am - Dec 14, '12
12:31 am - Dec 14, '12
Benzino tho. WEAK!
Benzino tho. WEAK!
by ISAYWHATIMEAN
12:18 am - Dec 14, '12
12:18 am - Dec 14, '12
LMAO...JOSH-ALYNN, Vern
LMAO...JOSH-ALYNN, Vern Troyer was hilarious as NO NECK Benzino and I adore Miguel Núñez...he is still FIONE!! Why Essence look like Shaunie in that pic?
by tori
12:06 am - Dec 14, '12
12:06 am - Dec 14, '12
You should adore Miguel you
You should adore Miguel you Goya bean taco eatin Spic!
by BEEMA
1:09 am - Dec 14, '12
1:09 am - Dec 14, '12
L☺L☺L☺LBwaaaha ha Haaaaa !!!!
L☺L☺L☺LBwaaaha ha Haaaaa !!!! I have no words, I am dead from the hysterical laughter x_X
by Peace Silas
11:34 pm - Dec 13, '12
11:34 pm - Dec 13, '12
LoL plz allow me...*now
LoL plz allow me...*now lowerin casket...!
by Like Really
1:30 am - Dec 14, '12
1:30 am - Dec 14, '12
they snapped on that ending
they snapped on that ending lmao...
by Tara Lipscomb
10:29 pm - Dec 13, '12
10:29 pm - Dec 13, '12
Sadly...My Life is so lonely
Sadly...My Life is so lonely .how about you?I am a rich and single man at present .I need a woman who can love me back .I also uploaded my hot photos on ----Millionairetag.com ----under the name of jeff1098..It's the largest and best club for seeking CEOs, pro athletes, doctors, lawyers, investors, entrepreneurs, beauty queens, fitness models, and Hollywood celebrities.Please Check it out!I'm serious.setr
by tom101
9:59 pm - Dec 13, '12
9:59 pm - Dec 13, '12
» Stacey Dash Backtracks On Her "Naughty Girl" Victim-Blaming Comments About Rape Survivors, Still Needs To Have A Seat» FOOLYWANG MATERIAL: Rapper Kevin Gates Admits He's SLEEPING With His Cousin And…Doesn't Plan to STOP?!» The Church Of God In Christ THREATENS Andrew Caldwell With Legal Action, STOP Selling "I'm Not Gay No More" SINGLE!
» WHAT'S THIS? FIRST PIC Of "Rumored" Twosome Jamie Foxx And Katie Holmes...Holding Hands» WORK OR PLAY? Common & Lupita Nyong'o Wine & Dine In NYC...Together» IN CASE YOU MISSED: Eva Marcille, Amber Rose & Drew Sidora In 'Sister Code' Trailer + Is There Bad Blood Between Nicole Behaire & "Sleepy Hollow" Producers?
» CANDIDS: Meagan Good On The Set Of 'Minority Report' + Tracee Ellis Ross Heads To "GMA" To Promote "Black-ish"» DO WE LOVE IT?!: Rihanna Pays Homage To Lil Kim » Robin Thicke, Son Julian AND His New Girlfriend Grab Groceries In Hollywood + Tiffney Cambridge Bring Her Kids To Sundy Carter's Easter Egg Hunt
» COUPLIN' AT THE CLUB: Meek Mill & Nicki Minaj, French Montana & Khloe Kardashian PARTY In Miami + Jennifer Lopez & Casper Smart In L.A.» Tyrese Spotted Making 'Furious 7' Promo Rounds In NYC + Ray J & Girlfriend Princess Love Party With Mom Sonja Norwood In Beverly Hills» LOVING OUT LOUD.....So Now Christina Milian And Lil Wayne Are Going Public - And It's About Time!
» Taraji P. Henson APOLOGIZES After Glendale Cops Release Tape Showing Son Marcel Wasn't Profiled Or Targeted (Video) + Sundy Carter Files Police Report Over 2013 "BBW LA" Brawl With Draya Michele And Malaysia Pargo» IN RESPONSE TO.....Tamar Braxton DEFENDS Her Right To OWN Her Feelings + Dame Dash Has HARSH Words For Rachel Roy's Lawyer...Don't Mess With My Family!» Laura Govan Files A LAWSUIT Against Gilbert Arenas For Allegedly Kicking Her Out Of L.A. Mansion AND Selling $1 Million Engagement Ring!
» WHITE HOUSE FILM FESTIVAL: Terrence J, LaLa Anthony, Angela Simmons, Michael Ealy, Steve McQueen & More Join President Obama» FLOTUS FLOWER: Michelle Obama Spreads Her "Let Girls Learn" Initiative In Tokyo, Rocking ALTUZARRA» SPRING READY! FLOTUS Michelle Obama Gets FAB In The Perfect KENZO Dress In Tokyo
» Chrissy Teigen & Ludacris Will HOST The 2015 Billboard Music Awards + NBC Producing 'The Wiz' As A Live TV Musical Special And It's Heading Back To Broadway!» Rihanna's "HOME" Tops The Box Office With $54 Million, Kevin Hart's "Get Hard" Lands At #2 + South African Comedian Trevor Noah Named Host Of 'The Daily Show'» The "TIDAL" IS COMING: Beyonce, Usher, Rihanna, & Kanye West Showing Support For Jay-Z's New Streaming Service
» Cleveland Cavalier Ballers LeBron James, Kyrie Irving, Shawn Marion & Iman Shumpert Spotted In NYC Before Game Against The Brooklyn Nets + Teyana Taylor Tags Along » Mo'ne Davis Asks University To Reinstate The "Offensive Tweet" Baseball Player, Says He Deserves Another Chance + Vin Diesel Names His Daughter After Paul Walker» (UPDATE) THIS JUST IN: Darren Sharper STRIKES Massive Plea Deal - Will Serve AT LEAST 9-Years In Arizona, Pay $300K Fine, Must Register As A Sex Offender


text:
1955 Mercury Montclair 2 dr hardtop, car from iowa, ps, pb, 292 v8, complete restoration, ready for AACA judging. 407-924-8839 - Chuck will take possible... More
The 1957 Mercury Turnpike Cruiser was a milestone car of the 50's era. It was the answer by Mercury to accusations that their designs... More
Mercury 1956, the big "M" Montclair 2-door hardtop, top of the line, professional restoration on a solid western car, original 312 V8, automatic, power... More
1951 Mercury Custom Coupe, This is a stunning custom total restoration including new burgundy paint, custom tailored beige leather interior, four new chrome wire... More

subset: commoncrawl


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Alice Virginia Ober
Northern Cambria, PA
Basic information on Alice Virginia Ober, Northern Cambria PA. Find Alice Virginia Ober's age, gender, possible aliases, relationship status and professional status.
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Alice Virginia Ober is in her 80's
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A receiver and method are disclosed that improves signal detection in a mipath environment wherein the desired reflected acoustic pulse is degraded by multipath reflections and embedded in noise. The invention provides a receiver that repetitively processes the received signal. The receiver includes separate signal processors, such as parallel configured quadrature signal processors, wherein each processor operates over different, and preferably contiguous, time intervals. After each repetition, the processing time interval for each processor is changed. The outputs of the processors are combined, such as by summing, and applied to a detector, such as a threshold detector, for each processing repetition to determine if the transmitted pulse is detected. The receiver continues processing the received signal until a predetermined number of time intervals have been processed without detection of a pulse or until the reflected pulse is detected. The processing can be accomplished in real time because the repetition rate of processing is much faster than the rate at which pulses are transmitted and received.
1. A system for detecting a reflected acoustic signal within a received signal that comprises noise due to a multipath environment, said system comprising:
at least two receivers for processing said received signal;
a connection configuration for said at least two receivers such that each of said at least two receivers are in communication with said received signal;
a combining component for combining respective outputs of each of said at least two receivers to produce a combined output;
a detector component for producing a signal when said combined output indicates said reflected acoustic signal is detected; and
at least one control for controlling said at least two receivers such that said at least two receivers operate on said received signal over different time intervals.
2. The system of claim 1, further comprising a memory for storing said received signal, said stored signal being available for repetitive processing by said at least two receivers through said connection configuration.
3. The system of claim 2 wherein said at least one control is operable for varying respective time lengths for said different respective time intervals.
4. The system of claim 2 wherein said receivers are quadratrure receivers.
5. A system for detecting a reflected acoustic signal within a received signal that comprises noise due to a multipath environment, said system comprising:
at least two receivers;
at least one control for controlling said at least two receivers for processing said received signal over at least two different time intervals;
a memory for storing said received signal; and
a connection between said memory and said at least two receivers.
6. The system of claim 5 wherein said at least one control is operable for varying respective time lengths of said at least two different time intervals.
7. The system of claim 6 wherein said at least one control is operable for providing that said at least two different time intervals are contiguous.
8. The system of claim 5 further comprising a combining component for combining respective outputs of said at least two receivers to provide a combined output.
9. The system of claim 8 further comprising a detector for detecting a variation in a characteristic of said combined output.
10. A method for detecting a reflected acoustic signal within a received signal that comprises noise due to a multipath environment, said method comprising the steps of:
dividing said received signal into at least two intervals, each of said at least two intervals having respective time spans;
independently processing said received signal over each of said at least two intervals to provide at least two outputs;
repetitively processing said received signal; and
changing said respective time spans of said at least two intervals during said repetitive processing.
11. The method of claim 10 further comprising the steps of:
monitoring said at least two outputs for a characteristic signal; and
stopping said repetitive processing upon production of said characteristic signal.
12. The method of claim 10 further comprising the step of stopping said repetitive processing after a preselected number of repetitions.
13. The method of claim 10 further comprising the steps of:
saving said received signal; and
repetitively communicating said received signal for processing.
14. The method of claim 10 further comprising the steps of:
combining said at least two outputs to provide a combined output; and
comparing said combined output to a selected threshold level to indicate an underwater object.
15. A method for detecting an acoustic signal transmitted in a multipath environment such that a received signal includes a reflected acoustic signal embedded in noise due to said multipath environment, comprising the steps of:
applying said received signal to at least two different receivers;
processing said received signal over at least two different time intervals with said at least two different receivers to produce at least two processed outputs, respectively;
selectively repeating said steps of applying and processing for up to a predetermined number of repetitions; and
varying a length of each of said two different intervals for each of said repetitions.
16. The method of claim 15 further comprising the steps of:
combining said at least two processed outputs to provide a combined output;
determining if a characteristic of said combined output is present; and
stopping said step of applying and processing prior to reaching said predetermined number of repetitions if said characteristic of said combined output is present.
17. The method of claim 15 wherein said processing step further comprises choosing said at least two different time intervals to be contiguous, non-overlapping time intervals.
18. The method of claim 17 wherein said at least two different time intervals have a total duration equal to a duration of said acoustic signal.
19. The method of claim 15 further comprising the step of storing said received signal.
The invention described herein may be manufactured and used by or for the Government of the United States of America for Governmental purposes without the payment of any royalties thereon or therefore.
(1) Field of the Invention
The present invention relates generally to reception of underwater signals in a multipath environment and, more specifically, to a variable integration apparatus and method for improving detection performance.
(2) Description of the Prior Art
Underwater acoustic sonar signals and other similar types of signals that propagate through fluids are more difficult to detect when degraded by a multipath environment. Multipath is a term that describes a type of environment wherein a transmitted signal follows more than one propagation path before returning to the receiver. As a result of the typically different and unequal signal propagation path lengths that the transmitted signal follows in the multipath environment, several delayed versions of the transmitted signal arrive at the receiver with each delayed signal having a different amplitude and phase. When the received multipath signals overlap, the sum of all the signals creates a composite received signal that has random amplitude and phase characteristics. When this occurs, an underwater object is difficult to detect using a conventional signal processor, such as a quadrature receiver.
Quadrature receivers and operation thereof are described in the book Detection of Signals in Noise by A. D. Whalen, published by Academic Press, N.Y. 1971, which publication is hereby incorporated herein by reference. While other types of receivers may be used in accord with the present invention, a quadrature receiver is typically used for reception/processing of acoustic signals and therefore the present invention is discussed in terms thereof. The quadrature receiver performs best when the received signal is coherent, i.e., constant but with an unknown amplitude and phase. When the transmitted signal has been affected by multipath interference, it becomes incoherent and the performance of the quadrature receiver is degraded.
U.S. Pat. No. 5,321,668, issued Jun. 14, 1994, to R. E. Rouquette, discloses a method for determining the ranges between pairs of transceivers deployed underwater. The transceivers transmit acoustic pulses to and receive acoustic pulses from other of such transceivers according to a coordinated schedule of individual transmission times and reception windows stored in each transceiver. A central controller in communication with all the transceivers compiles the individual schedules, collects the transmit and reception time data, and computes the ranges therefrom. The method does not include repetitively parallel processing of a stored received signal while altering respective processing periods during each processing iteration.
U.S. Pat. No. 5,208,786, issued May 4, 1993, to Weinstein et al., discloses a system to separate unknown signals that have been combined together through unknown linear filters and for which observations at multiple sensors are made. In a two channel circuit with two inputs and two sensors, the reconstructed source signals are assumed to be decorrelated such that the cross-correlation between the signals is near zero, e.g., propeller noise and a sonar signal. However, return signals detected in a multipath environment are generated from the same source and may not be assumed to have a cross-correlation near zero.
U.S. Pat. No. 4,910,718, issued May 20, 1990, to M. Horn, discloses a system for locating a source of acoustic emissions wherein two multi-element transducers are employed. The elements are subjected to an impinging acoustic wave at different moments in time depending upon the angle of the wave. The outputs from the elements of each transducer are compared with a look-up table to determine the angle. Then, another look-up table is used to determine the X-Y intersection of impinging wave angles from both transducers which locates the source. The system is not designed to detect a signal embedded in multipath noise.
Consequently, there remains a need for a receiver that offers more accurate detection of signals reflected in a multipath environment. Those skilled in the art will appreciate the present invention that addresses the above and other problems.
Accordingly, it is an object of the present invention to provide an improved system and method for detecting a reflected signal in a multipath environment.
It is another object of the present invention to use conventional reception equipment, such as quadrature receivers, in a new configuration and operation for improved reception.
It is yet another object of the present invention to provide an apparatus and technique for improved reception of acoustic signals in a multipath environment such as might be applicable for measuring underwater signals, oilfield acoustic signals, medical acoustic signals, and the like.
These and other objects, features, and advantages of the present invention will become apparent from the drawings, the descriptions given herein, and the appended claims.
In accordance with the present invention, a system is provided for detecting a reflected acoustic signal that is embedded in noise in a multipath environment, i.e., the received signal includes multiple reflections of an acoustic signal, such as a pulse, embedded in noise. The system comprises at least two receivers for processing the received signal. A combining component, such as a summer, is provided for combining respective outputs of each of the two receivers to produce a combined output. A detector component produces a detection signal when the combined output produces a characteristic signal that exceeds a predetermined threshold level. At least one control component is provided for controlling the receivers such that each of the receivers operates on the received signal over a different respective time period. A memory stores the received signal so that it can be repetitively fed to the receivers. The control component varies the time lengths during which the receivers operate on the received signal for each processing repetition. Preferably but not necessarily, the receivers are quadratrure receivers. The different time periods during which the received signal is processed are preferably contiguous and have a total time of time T, which is equivalent to the transmitted pulse duration.
The method for detecting the reflected acoustic signal in a multipath environment comprises dividing the received signal into at least two processing intervals which have respective time spans. Processing occurs repetitively with the respective time span of the two processing intervals changing for each of the repetitions. The received signal is independently processed over each of the two intervals to provide at least two outputs. The two outputs are monitored for a characteristic signal and the processing repetition ceases upon production of the characteristic signal. The outputs are combined, such as by adding, to produce a combined output. The combined output is compared to a selected threshold level to indicate the presence of an underwater object. Alternatively, the processing repetition preferably ceases after a preselected number of repetitions if no characteristic signal is produced during any of the processing repetitions. To accomplish this, the received signal is saved in a memory so that it can be repetitively processed with parallel configured processors, such as quadrature receivers. The time intervals preferably include the time intervals from an initial point to a time T1 and then from the time T1 to a time T. In the preferred embodiment, the processing time is less than the time interval between pulses.
A feature of the present invention is quadrature receivers in parallel that are connected to the same input and whose outputs are combined to produce an output signal. Yet another feature of the present invention is a control to change the length of the processing time intervals over which each independently processor operates with each processing repetition. An advantage of the present invention is a significant improvement in detection performance within a multipath environment.
A more complete understanding of the invention and many of the attendant advantages thereto will be readily appreciated as the same becomes better understood by reference to the following detailed description when considered in conjunction with the accompanying drawings wherein corresponding reference characters indicate corresponding parts throughout several views of the drawings and wherein:
FIG. 1 is a block diagram of a variable integration detector in accord with the present invention; and
FIG. 2 is a graph showing summed output of parallel quadrature receivers during an integration over period T wherein the integration intervals are optimal for detecting a received pulse.
Referring now to the drawings and more specifically to FIG. 1, there is shown a presently preferred embodiment of a receiver or variable integrator detector 10 in accord with the present invention. As discussed in more detail subsequently, the present invention and method embodied by receiver 10 automatically divides received pulse 12 into two separate intervals denoted 12a and 12b, processes 12a and 12b separately, and then combines the results. This procedure is repeated many times and for each iteration the separation time between 12a and 12b is varied until the process is ended as discussed below so that processing is preferably, but not necessarily, completed prior to receipt of the next received pulse or signal 12.
Received signal 12 comprises a multipath signal embedded in noise due to the underwater environment. A transmitted signal to be received may typically be a pulse, such as a sinusoidal pulse. However, other types of transmitted signals may also be used. As discussed hereinbefore, the transmitted signal may follow multiple propagation paths resulting in the received multipath signal. For the present discussion, the receiver and transmitter/source are presumed to be co-located or located relatively close together with respect to the typical signal path lengths and with a constant distance apart. However, receiver 10 of the present invention is also operable for other source/receiver configurations.
For the case that occurs when the total water depth is substantially greater than the water depth of the source/receiver, and assuming the directivity characteristic of receiver 10 attenuates surface and bottom reflections, there will be two dominant propagation paths. The first path will be from the source/receiver to the object and back to the source/receiver. The second path will be from the source/receiver to the object to the ocean surface and back to the source/receiver. For the present analysis, it is assumed that the underwater object to be detected is physically structured such that it produces only one or substantially only one reflection. The two signals propagated along these two paths produce a combined signal 12 at receiver 10 having substantially two parts, each having different amplitude and phase characteristics. The resultant signal 12 is therefore embedded in noise from the surrounding environment. To improve detection performance with conventional processors, it is beneficial to be able to process each part of the composite signal (and noise) independently. However, because the signal time delays due to the different propagation path lengths are unknown, the separation time between the two signals is unknown.
In the present invention, received signal 12 is preferably stored in register or memory 14 so that signal 12 can be repeatedly processed in accord with the present invention. From memory 14, signal 12 is applied to each of the two parallel configured receivers 16 and 18, which in the presently preferred embodiment are quadrature receivers. As discussed above, the receivers could be of other types but quadrature receivers are often used for processing this type of signal. Integration control 20, which may be programed and/or include one or more control components, is used for controlling the integration interval of each of parallel configured receivers 16 and 18. Integration control 20 or another control is used to repetitively transfer signal 12 to receivers 16 and 18 from memory 14.
In accord with the present invention, received signal 12 is divided into two separate intervals, 12a and 12b, each signal interval is processed independently and the outputs from 16 and 18 that may typically include in-phase and quadrature signal components are combined, such as by summing component 22. Combining or summing component 22 may be hardware or software implemented or may be a combination of both. Integration control 20 provides that received signal 12 is made available to each receiver 16 and 18. Integration control 20 also provides that received signal 12 is divided into two separate intervals, 12a and 12b, and controls receivers 16 and 18 such that each receiver processes the received signal over one of the two separate intervals, e.g., receiver 16 processes the received signal 12 over interval 12a and receiver 18 processes received signal 12 over interval 12b.
For instance as indicated in FIG. 2, receiver 16 will process received signal 12 over an interval from time zero to time T1. Receiver 18 would then process signal 12 over an interval from time T1 to time T. Thus, the two intervals from time zero to time T1 and from time T1 to time T are contiguous but separate. Time T1, the separation time, is varied with each repetition of the process until threshold detector 24 produces an output 26 that indicates detection of an underwater object or until time T1 extends to time T. Thus, T1 begins at a selected time from time zero for the first processing repetition. Time or separation interval T1 is then increased by a selected amount to a second position for the second processing repetition. This process continues for a full processing cycle that ends as described above. Preferably, processing occurs in real time so that the processing is completed before a subsequent pulse is received. However, particularly in other applications such as medical applications it would not always be necessary for all processing to occur in real time, i.e., prior to the receipt of the next pulse. The amount by which T1 increases each time may be a fixed amount or may be variable, as desired. Likewise, the beginning time T1 may be selected, as desired.
FIG. 2 also illustrates operation of threshold detector 24. Summer output 26 is applied to threshold detector 24. Threshold detector 24 indicates an underwater object is detected when a pulse is received and processed for which summer output 26 exceeds threshold level 28 as indicated on axis 30 which may be an amplitude expressed as a voltage, current, or other signal level depending on the type of circuitry/hardware/software used. In the present example, the signal level 32 exceeds the threshold 28 when the separation time is T1 DET as shown in FIG. 2 along time axis 34 for one of the processing repetitions. Output 36 of threshold detector 24 may be a high output voltage or other signal to thereby indicate an underwater object.
While the present invention will be described in connection with presently preferred embodiments, it will be understood that it is not intended to limit the invention to those embodiments. Various other embodiments of the invention may also be implemented. For instance, instead of an automatic variation of T1, a manual control may also be implemented. For instance, the operator may use an interactive technique of adjusting T1 manually using computer controls. The adjustment could also be used along with the automatic control described above. The adjustment may also include a locking mechanism whereby T1 is used as a starting point for processing subsequent pulses. Known information such as water depth may also be used to pick a starting T1 . As well, if an approximate distance to the object is estimated then the approximate angles and lengths of propagation paths can be used to determine a starting T1 . Alternatively, T1 could be varied from time T to time zero instead of from time zero to time T as discussed above. Time T1 could also be varied in alternating directions around an initial starting point. Other methods of varying time T1 could also be programmed as desired.
In yet another embodiment, additional parallel processors may be used for processing of additional intervals, e.g., three quadrature receivers may be used for processing over three time intervals of the received signal to reduce noise from three propagated signals, and so forth. The addition of a third or fourth signal increases the amount of necessary processing. In some cases, assumptions may be made about the intervals and relative lengths thereof based on known water depths or other known factors to decrease the amount of processing required. More processing time could be allocated if additional sets of receivers were to process pulses received, e.g., two sets of receivers so that each receiver would process every other pulse. In yet other embodiments, the present invention may be used with acoustic medical devices for improved reception, as discussed hereinbefore, wherein real time processing is not at all necessary.
In summary of operation, a return pulse is received and stored in memory 14. Parallel quadrature receivers 16 and 18 are used to integrate repetitively and automatically of continually varying but contiguous intervals. When output 26 of summer 22 exceeds detection threshold 28 of threshold detector 24, output 36 from threshold detector 24 indicates the presence of an underwater object. Parallel configured receivers 16 and 18 are controlled by integration controller 20 to integrate over different but contiguous signal intervals with a first receiver integrating from time zero to variable time T1 and a second receiver integrating from time T1 to time T. Separation time T1 is varied for each processing repetition. A typical sequence may vary separation time T1 from near time zero with subsequent repetitions approaching or reaching time T or until a detection occurs. If threshold 28 is exceeded for any value of T1 , a detection signal 36 is produced and processing is terminated for that pulse. FIG. 2 shows a typical result showing the threshold exceeded at a value of T1 DET.
It will be understood that many additional changes in the details, materials, steps and arrangement of parts, which have been herein described and illustrated in order to explain the nature of the invention, may be made by those skilled in the art within the principle and scope of the invention as expressed in the appended claims.
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DogiPot Litter Pick Up Bags - 200 Ct.
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Latest News
2015 Donald C. Alexander Writing CompetitionPosted November 11th, 2014 by Rebecca B. Wimberg
Requirements are as follows:
- Full and part-time J.D. and LL.M. students are eligible.
- Any original paper concerning federal taxation between 20-50 double spaced pages is welcome.
- Seminar papers and articles submitted (but not yet selected for publication) to law reviews, journals, or other competitions are eligible.
Winning authors receive $2000 (first place) or $1000 (second lace) and a trip to the FBA's Annual Tax Law Conference in ashington, D.C. The winning entries may be published in the ax Section newsletter the Report or in The Federal Lawyer. Deadline is January 5, 2015. Entries may be submitted by email to Marcellus Howard at email@example.com.
Exhibit: Campaigning against The Court: The Supreme Court and Popular Politics, 1916-2014Posted November 10th, 2014 by Kurt X. Metzmeier
In recent years it seems that every nomination to the U. S. Supreme Court leads to partisan controversy. This exhibit displays political memorabilia from the collection of Professor Kurt Metzmeier that documents some of the most recent controversies. Also included are some buttons from the pre-Court political careers of justices, a button urging the election of a sitting justice as president, and humorous objects gently mocking the dignity of the Supreme Court.
While appointments to the Court had always stirred interest in legal circles, it wasn't until the nomination of "the people's lawyer" Louis D. Brandeis to the court that the nation saw an active campaign against a justice. Still, that nomination was somewhat of a special case, as Brandeis had stirred up unusual distaste among the banking and railroad trusts. Even President Franklin D. Roosevelt's frequent battles with the Supreme Court did not lead to organized campaigns against his nominees. This is surprising since most early justices were drawn from political life and many had served as governors, senators, and even, in the case of William Howard Taft, president. Indeed, the only political activity involving Supreme Court justices until the late 20th century was an occasional convention boomlet to draft one of justices to run for the presidency. (William O. Douglas perhaps was the last sitting justice to entertain such dreams).
The first attempt by an organized political group to set its sights on a member of the Supreme Court was the conservative John Birch Society's billboard campaign to impeach sitting Chief Justice Earl Warren for the perceived liberalism of his court. However, it was President Ronald Reagan's nomination of conservative scholar Robert Bork to the Supreme Court in 1986 that set off the first full-scale campaign against a nominee; one that would lead to the word "Borking" being entered in the dictionary as a term for the process of defeating a judicial nomination. Metzmeier's collection has no fewer than four different buttons involving this effort.
After the Bork nomination, things would never be the same. Buttons and bumper stickers would be employed to both support and oppose controversial nominations. In addition, the ability to possibly choose members of the Supreme Court would be noted in every presidential campaign. A classic 1996 campaign button features a free-spinning arrow pointing to the names of existing justices who (the button implies) could die or resign at any time and asks "Who do you want to choose the next Justice?" The Supreme Court now plays more prominent role in popular political culture than at any time. Its secret service nickname SCOTUS is well-known and forms part of a popular legal blog. And it hard to imagine any prior justice being so lovingly re-imaged as Justice Ginsburg has been as "The Notorious RGB."
The exhibit is in the Law Library reading room through the end of 2014.
KBA Criminal Law Reform - Third Annual Forum, November 7, Allen CourtroomPosted November 6th, 2014 by Rita E. Siegwald
International Law Society "Late Night Hour", Friday, November 7, 8:00 p.m.Posted November 6th, 2014 by Rita E. Siegwald
KBA Criminal Law Reform - Third Annual Forum, November 7, Allen CourtroomPosted November 5th, 2014 by Rita E. Siegwald
CALI LessonsPosted November 4th, 2014 by Virginia Mattingly
The Center for Computer-Assisted Legal Instruction's (CALI) Library of Lessons contains over 900 interactive, computer-based legal tutorials covering more than three dozen legal education subject areas. The lessons are designed to augment traditional law school instruction. Many of your classmates have found them helpful in preparing for their exams.
Free copies of the DVD are available at the library's Circulation Desk. You may also view the lessons online. The student authorization code and instructions are available at the library's website. You must register with your "@louisville.edu" email address.
KBA Criminal Law Reform - Third Annual Forum, November 7, Allen CourtroomPosted November 4th, 2014 by Rita E. Siegwald
DEADLINE FOR SUBMITTING REGISTRATION FORMSPosted November 4th, 2014 by Barbara A. Thompson
Thursday, November 6 at 3:00 p.m. is the deadline for submitting your employment card and all registration forms.
Be sure to go to Current Students Registration and read the registration instructions. The registration times are listed on the first page of the registration instructions.
If you have any questions, please feel free to contact Dean DiSanza or Barbara Thompson.
Dean DiSanza Leads Session Focused on Women in the Workplace at UMLawPosted November 4th, 2014 by Ross Bradley
Since 2003, Dean DiSanza has been teaching at the University of Maryland School of Law (where she worked as Director of Student Affairs for six years and received her J.D.) in their "Women, Leadership, and Equality Program." Based on concepts and theories she learned in her Master program at Johns Hopkins University, Dean DiSanza developed a three session program (later condensed to one session, once she had left UMLaw) that focused on the unique qualities women should consider when entering the workplace. She empowers the students with information about leadership theory, group theory and organizational behavior. She then weaves the issues of gender and equality into the mix. The purpose of this session is so students can assess current and future workplaces for cultures and norms. They are also given several self-evaluations to gauge their understanding of their own leadership and conflict resolution styles.


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Special Programming: Public Affairs
Opinions on Ballot Measure 58
KBOO volunteers collected opinions on Ballot Measure 58, which prohibits teaching public school students in a language other than English for more than two years. Produced by Chloe Brown and Avery Welkins.
- Title: Opinions on Ballot Measure 58
- Producer: Chloe Brown and Avery Welkins.
- Length: 3:03 minutes (2.79 MB)
- Format: MP3 Stereo 44kHz 128Kbps (CBR)
SE Election Center, Basic Rights OR, Gov. Barbara Roberts, Gender and Race discussions
Theresa Mitchell joins discussion
SE Election Center checks in
Andy Seaton with Basic Rights Oregon
Former Governor Barbara Roberts
McCain conceeds
Gender and Race discussions
- Title: Election Special 10
- Album: Election Night 2008
- Track: 1
- Length: 17:49 minutes (16.32 MB)
- Format: MP3 Stereo 44kHz 128Kbps (CBR)
Choosing between Oregon Ballot Measures 57 and 61
KBOO volunteer Chloe Brown asked Portlanders for their opinions on Oregon Ballot Measures 57 and 61.
57 increases sentences for drug trafficking, theft against elderly and specified repeat property and identity theft crimes; requires addiction treatment for certain offenders.
Measure 61 creates mandatory minimum prison sentences for certain theft, identity theft, forgery, drug and burglary crimes.
- Title: Choosing between Oregon Ballot Measures 57 and 61
- Producer: Chloe Brown
- Length: 3:24 minutes (3.11 MB)
- Format: MP3 Mono 44kHz 128Kbps (CBR)
Kevin Mannix, Report from DC, Allen Alley, WW / Bus Project Party
Kevin Mannix Phone Interview
Report from Washington, D.C.
Free speech discussion
Allen Alley phone interview
Report from Willamette Week / Bus Project party
- Title: Election Special 11
- Album: Election Night 2008
- Track: 1
- Genre: Public Affairs
- Length: 13:17 minutes (12.17 MB)
- Format: MP3 Stereo 44kHz 128Kbps (CBR)
Early Evening Voting at Multnomah Country Elections Office
Reports coming in from people voting at the Multnomah Country Elections Office at SE 11th and SE Morrison
- Title: Early Evening Voting at Multnomah Country Elections Office
- Length: 1:35 minutes (1.45 MB)
- Format: MP3 Stereo 48kHz 128Kbps (CBR)
Rhys Scholes, Nathan Jimenez, Francisco Lopez, Jeana Frazzini Basic Rights Oregon
Rhys Scholes spokesperson for Ted Wheeler discusses local races
Nathan Jimenez from the Democratic electoral party
Francisco Lopez, measure 58 update
Andy Seaton talks with Jeana Frazzini from Basic Rights Oregon
Rhys Scholes continues
- Title: Election Special 12
- Album: Election Night 2008
- Track: 1
- Genre: Public Affairs
- Length: 19:24 minutes (17.77 MB)
- Format: MP3 Stereo 44kHz 128Kbps (CBR)
Lisa Loving and Theresa Darklady Reed, Kathryn Durkin Curious Comedy
Lisa Loving and Theresa Darklady Reed join the discussion
Kathryn Durkin from Curious Comedy
- Title: Track 01
- Length: 14:12 minutes (13 MB)
- Format: MP3 Stereo 44kHz 128Kbps (CBR)
Pioneer Square Party, Code Pink, Obama Supporters, Spencer from WA, Rhys Scholes
Report from Obama party at Pioneer Square
Gael Murphy and Medea Benjamin founders of Code Pink phone in from Washington D.C.
Sarah Kilpatrick Obama supporter who attended Grant Park rally in Chicago
Spencer checks in from Washington D.C.
Rhys Scholes updates local races
Ending of KBOO Election Special
- Title: Election Special 13
- Album: Election Night 2008
- Track: 1
- Genre: Public Affairs
- Length: 21:33 minutes (19.73 MB)
- Format: MP3 Stereo 44kHz 128Kbps (CBR)
Hacking Democracy
One of the largest concerns of the Oregon Voter's Rights Coalition is the lack of independent testing and review of the state's voting systems. When trying to raise their concerns with John Lindback, Oregon's Director of Elections, he assured the group that he is confident in the voting systems used.
But last Fall, Ohio did something different. Their Secretary of State Jennifer Brunner commissioned Project EVEREST: a comprehensive security review of the electronic voting technology used in her state.
The project contracted several academic teams to examine the election procedures, equipment, and source code used in that state. The aim was to identify any problems that could make elections vulnerable to tampering.
The ten-week project examined in detail the touch-screen, optical scan, and election management technology from e-voting vendors ES&S, Hart InterCivic, and Premier Election Systems (formerly Diebold). Penn led the analysis of the ES&S system source code, which is also used by voters in 42 other U.S. states besides Ohio.
Matt Blaze and Sandy Clark outlined the team's findings at the Hackers on Planet Earth conference earlier this year, where they discovered exploitable security vulnerabilities in almost every hardware and software component of the ES&S systems. Some of these flaws could allow a single malicious voter or poll worker to alter countywide election results, possibly without detection.
- Artist: Matt Blaze and Sandy Clark
- Title: Hacking Democracy
- Album: Hackers on Planet Earth 2008
- Year: 2008
- Length: 47:02 minutes (21.54 MB)
- Format: MP3 Stereo 22kHz 64Kbps (CBR)
Police Brutality Special: Interview with Rev. Lenex Yearwood Jr.
Lisa Loving interviews Reverand Lenex Yearwood Jr. about police violence against the colored community in Portland
- Title: Hour 1: KBOO's Special on Police Brutality
- Album: Special on Police Brutality
- Length: 23:54 minutes (21.88 MB)
- Format: MP3 Stereo 44kHz 128Kbps (CBR)
- Login or register to post comments
- Download audio file


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Well I brought a six pack of my first batch of brew over to my friends birthday party because he was curious and wanted to try it. Needless to say my blood orange hefeweizen was almost gone as quickly as it got there and got great reviews even from people there that I'd never met. I'm really glad I decided to change up the recipe on my first brew and add the blood oranges because it gave my beer a great blood orange after taste. Can't wait to start up my next batch now
^^^Very nice. I hope my first batch will get rave reviews like yours.
You have a recipe for that Bloo Orange Hefe?
I don't drink beer all the time but I can drink (a) beer anytime" - Me
I may just have to steal that hefe recipe someday.
Geography in a Glass:http://beergeography.blogspot.com/
Very interested in your recipe as im making an extract blood orange Hefe very soon. Interesting to see you upped the amount of oranges you used.
Did you ferment in a bucket or damijohn? If Damijohn how did you get the oranges through the narrow neck?


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Park Square and History Theatre open shows this week not seen before in the Twin Cities.
Annie Enneking as Lee Miller in "Behind the Eye."
Photo: Petronella Ytsma, Park Square Theatre
Two premieres — one world and one regional — make St. Paul a theater destination this weekend. They will be cutting the ribbon on "Working Boys Band" at History Theatre on Saturday. Just down the street at Park Square Theatre, "Behind the Eye" gives Minnesotans a first look at a play that's been around a few years.
'Behind the Eye'
Here's a life for you: Lee Miller was a Vogue model before she became a muse and model for Man Ray and other surrealists. That was before she went to Europe during World War II as a war photographer. And that was before she retired to the English countryside, exhausted by what she witnessed in the war. Still, in the final act of her life she became a respected gourmet cook and played host to many of the great artists who had worked with her previously.
Minneapolis-based playwright Carson Kreitzer takes on Miller's story in "Behind the Eye," which opens Friday at Park Square. Leah Cooper directs a cast that features Annie Enneking as Miller.
"It's a little intimidating to look at someone's life with such an epic scope," Kreitzer said. "She discovered and tasted and experienced everything there was to experience."
Kreitzer first came across Miller's story when she read a review of a 2005 biography. Miller, who grew up in upstate New York, posed nude for her father, an amateur photographer, before she caught the attention of Condé Nast in New York. He employed her as a model at Vogue magazine before she was 20 years old and for three years she was a highly sought fashion model. She went to Paris in 1929 with a letter of introduction to surrealist Man Ray. She became his muse, collaborator, lover and model.
Eventually, Miller got out from in front of the camera and started to exercise her own eye for photography. She returned to New York, opened her own studio, ran off with an Egyptian businessman, got bored, returned to Paris and met Roland Penrose, a British artist.
They were living together in England when World War II broke out. Miller became a news photographer for Vogue and documented the London Blitz, the liberation of Paris and, most famously, the liberation of the Nazi concentration camps. Her colleague David Scherman, a Life magazine correspondent, photographed her in Hitler's bathtub in Munich.
She covered fashion and celebrities for Vogue after the war but retreated to the English countryside with Penrose. She slipped into depression and alcoholism even as she continued to host artistic royalty at her country home.
Kreitzer developed her script at the Playwrights' Center in Minneapolis before the play had its premiere at Cincinnati's Playhouse in the Park. Interestingly, that production starred Minneapolis actor Sarah Agnew as Miller.
"There's a lot to weigh in [Miller's] life, and it's a question she asks, 'What did it all add up to?' " Kreitzer said. "That's a question any of us will have to deal with. Her struggle in reconciling the facets of herself is a struggle we all can appreciate."
(7:30 p.m. Fri.-Sat., 2 p.m. Sun. Ends May 18, Park Square Theatre, 20 W. 7th Pl., St. Paul, $38-$58, 651-291-7005 or parksquaretheatre.org.)
'The Working Boys Band'
Prof. Harold Hill had it right all along. Remember? The slick-talking huckster said music was the cure for the wayward youth of River City. Put an instrument in a boy's hands and he can't hold a pool cue, can't get into mischief — can't turn into a juvenile delinquent.
"The Working Boys Band," a new musical, brings to stage the story of a real-life Music Man. About 100 years ago, Prof. C.C. Heintzeman formed the Minneapolis Working Boys Band to bring structure and discipline to lads living hardscrabble lives on the Mill City's meager streets.
Heintzeman emigrated from Germany and moved to Minneapolis from Rhode Island in the early part of the 20th century. He taught music at Hamline University and conducted bands. In the play, written by Dominic Orlando and composer Hiram Titus, Heintzeman persuades authorities to let him start a group with kids who worked in factories. There's nothing like a uniform and a musical instrument to raise self-esteem and purpose, Heintzeman maintained.
Martin Segal, a retired doctor who lives in Edina, played in a Depression-era iteration of the Working Boys Band.


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New iPhone Prototypes Have Integrated NFC chips and Antenna 114
from the next-generation dept.
We've improved Slashdot's video section; now you can view our video interviews, product close-ups and site visits with all the usual Slashdot options to comment, share, etc. No more walled garden! It's a work in progress -- we hope you'll check it out (Learn more about the recent updates).
Sweet. Now I don't need to be anywhere near you to steal your personal account information and emulate an RFID "card present" transaction (which doesn't require an ID or any of that other security crap like PINs and stuff)... I'll just wait for your phone to download an update for one of the 100 apps that are set to autoupdate whenever it's within range of a wifi, do an injection attack, and then wait for your personal info to appear in my inbox. Oh Apple, it's nice to finally meet someone who understands me!
-- Your Best Fan, J. Random Criminal
So this is why Apple is backing off on their claims of virus immunity. NFC is a big target.
That's OK, you'll have to hold it a special way to get it to work.
It's a feature, not a bug.
The Apple smartphone will finally have feature-parity with other smartphones one-to-two generations after the fact? This must have never happened before!
Yea, but it wasn't "innovative" before Apple started doing it...
No problem is so large it can't be fit in somewhere.


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Abusive ecclesial authority puts our bishops on the spot
Some of our bishops are acting like bullies, abusing the authority of their offices in the name of enforcing orthodoxy. Dealing with U.S. women religious, these bishops' actions appear governed more by a desire to enforce obedience than to develop fidelity in our sisters. Catholics see through this guise. They are upset, fed up with the likes of this behavior. They are speaking out. Soon they will be on the streets making their voices heard. You can count on it.


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Powerful Suction The Makita VC4710 12 Gallon Wet/Dry Vacuum provides a powerful 12 AMP motor which generates 135 CFM of suction power! The suction power is so strong, that It has a 92″ of water lift to take on the most challenging and wettest of applications. In addition, the Makita built motor chamber is solidly constructed of quality, sound-absorbing ...
All posts tagged Makita 12 Gallon Wet/Dry Vacuum VC4710
Makita 12 Gallon Wet/Dry Vacuum VC4710
March 18, 2013
by Tool Up on March 18, 2013 • Permalink
Posted by Tool Up on March 18, 2013
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Written & Directed by: Addy Play
Assistant Director: Colin Nicholas
Director of Photography: Lee J. Tamer
Danny B. Posser Jr. - Matt
Sarah Bentman - Kim
D.King - Himself
David Jermaine Walton - Shane
Jessica Pickett - Amber
Filmed in Baltimore City, MD
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Abstract available in
Claims available in
Description (OCR text may contain errors)
April 1959 N. ROBBINS 2,881,763
S URGICAL HANDPIECE Filed Aug. 30, 1956 I N V EN TOR. 054 Roam/Vs Patented Apr. 14, 1959 2,881,763 SURGICAL HANDPIECE Noel Robbins, Chatham, NJ. Application August 30, 1956, Serial No. 607,217 4 Claims. (Cl. 128355) This invention relates to surgical instruments and particularly to an improved handpiece for a planing brush for dermabrasion, otherwise known as corrective surgical skin planing procedure.
The planing brush may be of the type disclosed in United States Patent No. 2,712,823 and is circular in shape. an inch in diameter and is made up from one to seven layers of metallic bristles, usually of stainless steel, each layer being about three thirty-seconds inch in thickness. The bristles are radially extending and each bristle has a diameter of about three-thousandths inch. The several layers of bristles are compressed by two circular holding members and secured to a widened portion of the mandrel. The radially extending bristles project from the circumference of the holding members for a distance of about one-sixteenth of an inch and point in the direction of rotation of said mandrel at an angle of about thirty degrees. Such a planing brush, if made up of one section only, has the edge of the compressed mass of bristles trimmed so as to give it a rounded shape. The mandrel of the planing brush is locked fast to a shaft of the handpiece which is rotated by an electric motor attached to a flexible cable at speeds from 8,000 to 23,000 revolutions per minute.
The purpose of the rotating planing brush is to produce a leveling and macerating eifect upon skin scarred by a disease or upon a blemish marking the skin. In using the planing brush, the treated skin is either injected with anesthetic liquid or preferably frozen by spraying a low boiling point volatile liquid thereon, the preferred liquid being ethyl chloride or a Freon derivative or a mixture of both. The treated skin area while remaining in frozen state is insensitive to pain, immobile and hemostatic.
The abrasion is produced by the shearing force of the Such a planing brush is about three-quarters of i bristles of the rotating brush at its high speed of rotation t as it is held in the handpiece by a physician and brought down vertically to make a contact upon the frozen area of the scar or blemish. The brush is then moved in short strokes up and down or with a circular motion until the entire frozen area is abraded to a required depth. In such a technique a thin layer of the top of the skin, called epidermis, is removed. Such a technique of abrasion or surgical planing is carried down through the epidermis, which is the superficial layer of the skin, to the varying levels of the dermis depending on the depth of the scar. However, such an abrasion should not extend beyond the germinative zone of the corium in order to obtain regeneration of epithelium without scarring. Since the thickness of epidermis and its layers of the entire skin ranges from 2 to 2.2 mm., a surgeon must control the instrument with great care lest he will abrade deeper beyond the upper layer of corium and cause hypertrophic scarring, which is a permanent disfiguration and related in its nature to a keloid. On the other hand, if the abrasion is not sufficiently deep, the macerating effect upon the pillocebaceous cells of the germinative zone will be insignificant and no regeneration of the epithelial cells will take place and no therapy of the scar would result. Thus, a repetition of the abrasive procedure will be necessary. A further ditficulty in the technique of abrasion is presented by a limited time during which the treated area, usually not over nine square inches, remains frozen, thus requiring the surgeon to operate rapidly which, of course, is strenuous and fatiguing. Furthermore, the operative procedure requires that the planing brush be moved across the skin in a direction at right angles to the plane of the brush.
This is important as motion in the line of rotation may result in grooving and permanent scarring of the skin. In this technique it is important to have a firm grip on the handpiece while the abrasive process is being per.- formed, since there is a tendency for the brush to pull in the direction of rotation of the brush. If the surgeon is careless or inexperienced, it is possible to lose control of the brush which will gouge or groove the skin beyond the area being abraded.
Another difiiculty presented by the use of the instrument results from the centrifugal force that drives the abraded material in a particulate stream away from the field. This stream of epithelial particles is so heavy that it has been found necessary for the physician to wear protective clothing and a transparent face protection.
The present invention aims to overcome the foregoing difliculties by providing an improved handpiece for a planing brush in which means are provided for supporting the planing brush in relationship to the skin surface.
Another object of the invention is to provide an improved handpiece which is simple and economical in manufacture, eflicient in operation, and rugged in use.
In accordance with the invention, this is accomplished by providing a guiding surface or rest for the planing brush in close proximity thereto and of semi-annular shape of approximately the same or slightly larger radius than the radius of the planing brush.
The present construction is advantageous in that it permits safer working to the nostrils or eyes and gives great stability of manipulation. Additionally, a long moment arm is provided for the handle and a short moment arm for the planing brush. Therefore, a comparatively large movement of the handle is required to produce a small variation in the depth of abrasion. The surgeon is thus able to rapidly manipulate the instrument while it is in contact with the skin surface rather than making the short overlapping strokes required by use of the prior devices.
Other objects and advantages of the invention will be apparent from the following description and from the accompanying drawings which show by way of example an embodiment of the invention.
In the drawings:
Figure l is a side view of a handpiece in accordance with the invention and showing a portion of a flexible power cable.
Figure 2 is a view corresponding to Figure 1 with the handpiece shown in vertical section.
Figure 3 is an enlarged view of the handpiece.
Figure 4 is an end view of the handpiece.
Figure 5 is an enlarged portion of the end of the handpiece.
Figure 6 is an end view corresponding to Figure 4, but with the planing brush removed.
Referring to the drawings, there is shown in Figure 1 a handpiece 1 in accordance with the invention attached to a conventional flexible cable power supply 2.
The flexible cable power supply 2 includes a coupling member 3 adapted to be attached to any suitable cable power supply and which may be of the type used by dentists or for other surgical apparatus. An extremely flexible portion 4 of conventional design is provided for easier manipulation of the handpiece 1.
As may be seen more clearly in the cross-sectional portion of Figure 2, the handpiece 1 is made in tubular section with an open end 5 adapted to overlie a bushing member 6 terminating the flexible portion 4 of the power cable. The bushing member 6 extends inwardly within the tubular handpiece 1 and has extending therefrom a shaft 7 and a chuck member 8 to receive a shank 9 of a rotary planing brush 10. So far the construction is conventional.
In accordance with the invention, the handpiece 1 is provided with a sleeve 11 which extends towards the planing brush terminating in a generally annular guiding member or rest 12 providing a surface for the support of the handpiece adjacent the operative field.
The guiding member 12 in cross-sectional view is rounded or may be made of any suitable cross-sectional shape providing ease of motion over the skin surface. Preferably the width of the guiding member 12 is approximately of an inch. The diameter of the guiding member 12 is chosen so that it is equal to or preferably 1 to 4 millimeters larger than the diameter of the rotary planing brush 10. As shown, the guiding member 12 is made circular and extends completely around the tubular handpiece 1; however, as will later appear, the guiding member 12 may be only segmental in shape. At the outer end of the sleeve 11 is an extension or shield 14 which overlies the rotary planing brush 10 extending outwardly as may be seen from the drawing slightly past the outermost edge of the planing brush so that the stream of abraded skin material is prevented from being thrown outwardly by centrifugal action into the face of the surgeon. The diameter of the extension or shield 14 is such as to provide about /s of an inch clearance beyond the edge of the rotary planing brush 10.
The extension 14 extends annularly about the rotary brush 10 slightly more than around one-half the circumference thereof. The outward corner of the extension is curved as indicated at 15 to enhance the appearance thereof and to prevent the formation of a corner. Furthermore, the curved surface 15 provides a support or rest in addition to that provided by the guiding member 12 which may be used effectively as desired by the surgeon. The outer surface of the extension or shield 14 is knurled or otherwise machined as indicated at 16, and also the outer surface of the tubular member 1 is knurled as indicated at the end thereof at 17 to provide a better grasp for the fingers of the surgeon.
In order to provide access to the chuck 8 for the replacement of the planing brush 1t) and for its adjustment with respect to the guiding member 12, an adjustment screw 18 is provided engaging in a threaded recess 19 in the bushing 6. As indicated at 20, a longitudinally extending slot 20 is provided axially of the sleeve 11 with the ends of the slot indicated at 21 and 22. By means of the slot 20, it is readily apparent that the sleeve 11 may be moved within the limits of the slot 20 back over the flexible portion 4 so as to expose the chuck 8 and the planing brush 10. Additionally, when the sleeve 11 is moved outwardly over the planing brush 10, any suitable desired adjustment may be made'longitudinally with respect to the planing brush 10 of the guiding member 12. It should be noted that in the inner side of the extension 14 there is formed a tapered shoulder 23 against which may abut a side member 24 of the planing brush 10. However, it is preferable that there be no contact, but that the members operate in close juxtaposition to each other.
While the invention described and illustrated with reference to a specific embodiment thereof, it will be understood that other embodiments may be resorted to without departing from the invention. Therefore, the form of the invention set out above should be considered as illustrative and not as limiting the scope of the following claims.
I claim:
1. An improved handpiece for a rotary skin planing brush for abrading skin deformities comprising a tubular handle member adapted to, receive a rotary planing brush at one end thereof, and an annular rest secured to an end of the handle member inwardly of the rotary brush, the diameter of the annular rest at least as great as the diameter of the rotary planing brush with which it is to be used, the cross-sectional shape of the annular rest generally rounded on its outer surface, the plane of the annular rest parallel to the plane of the rotary planing brush, whereby by pivoting the annular rest on a skin surface the contact of the rotary planing brush therewith may be varied so that a desired predetermined depth of cut may be produced.
2. An improved handpiece for a rotary skin planing brush according to claim 1 in which the diameter of the annular rest is between 1 and 4 millimeters greater than the diameter of the rotary planing brush with which it is to be used.
3. An improved handpiece for a rotary skin planing brush according to claim 1 and including a shield for the rotary planing brush, the shield overlying the rotary planing brush the circumference at least one-half the periphery thereof.
4. An improved handpiece for a rotary skin planing brush, according to claim 1 in which the width of the rounded surface of the annular rest is approximately 7 of an inch.
References Cited in the file of this patent" UNITED STATES PATENTS 1,115,337 Rossetter Oct. 27,. 1914 1,713,592 Blomquist May 21, 1929 1,915,305 Gallagher June 27, 1933 2,712,823 Kurtin July 12,1955 FOREIGN PATENTS 340,377 Great Britain Jan. 1, 1931
Patent Citations
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Female Genital Mutliation/Cutting: A Statistical Overview and an Exploration of the Dynamics of Change
This report is a comprehensive statistical overview of female genital mutilation/cutting (FGM/C) in the 29 countries where the practice is concentrated. Analysisof the data reflects current perspectives on FGM/C, informed by the latest policy, programmatic and theoretical evidence. The purpose of the report is to generate an in-depth understanding of FGM/C that can be applied to the development of policies and programmes, with the ultimate aim of eliminating the practice.
Over the last several decades, effortsto address FGM/C have intensified with the support of many partners,including governments, international institutions, non-governmental organizations, religious and other civil society groups,and local communities...These efforts have contributed to and benefitted from an evolving understanding of the practice and of the social dynamics that lead to its abandonment. New insights into FGM/C are informing the design of policies and programmes both in countries where it has been practised for generations and in areas where it is relatively new and associated with immigration. The growing number of reports of public commitments to end FGM/C and its actual abandonment by population groups across a diverse range of countries are strong indications that the practice can indeed become a vestige of the past. These grassroots movements, in turn, have fuelled international commitment to eliminate FGM/C worldwide.
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With Easter and the promise of spring almost upon us, I cannot believe how quickly this term has flown! However, when I think back to all of the things we've done over the pas... Read MoreNew York 2015
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Latest Electronic games Stories
Kings Auto Show's new credit programs and flexible payment options can get almost everyone approved for financing on a used car. Brooklyn, NY (PRWEB) February
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The Coleco Gemini is similar to the Atari 2600 video game console. The Gemini was manufactured by Coleco as the second generation game console using ROM cartridges. In 1982 Coleco produced an expansion module for the ColecoVision that was compatible with the Atari 2600. Atari tried to sue Coleco for patent infringement but lost, allowing Coleco to manufacture the Coleco Gemini. The Gemini had an 8 way joystick, attached on the top, and a 270-degree paddle on the bottom of the same...
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The ColecoVision is a home game console produced by Coleco Industries and released in August 1982. Nintendo's Donkey Kong was licensed to Coleco to be the official game pack cartridge with all ColecoVision consoles. By the end of 1982, more than 500,000 units were sold. Outside the United States, the console was sold as CBS ColecoVision. By early 1983 over one million total units were sold; but by the beginning of 1984 sales dramatically declined. By the summer of 1985 Coleco withdrew...
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Today was Alexander's last day of 4K and I can't believe the year is already over. It is amazing to see how much he has grown and learned in his first year of school and I love to see the excitement on his face when we talk about him going off to 5K in the fall. He is looking forward to learning more and seeing his friends again but until then he plans on enjoying the summer!
Here is a side-by-side picture of him from the first day of school and today, his last day of 4K.
My baby has turned in to quite the little man during his first year of school and boy did he get big! It's crazy to think that come fall he will be gone to school for a full day just like his big brother and sister leaving me home with a toddler and an infant. Until then, I am looking forward to a crazy fun summer with the kids!
Tomorrow we will be celebrating Zack graduating from 8th grade and Libby leaving 7th grade behind her. Watch for pictures and updates!
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Inspiration and advice for your building project
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Drawing on decades of industry experience and best practice, Ron Woodhall's 'Controlling Build Quality' is available online to download as a user-friendly, site-friendly PDF document.
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Windows Help
It's free to register, to post a question or to start / join a discussion
samsung laptop boot up but screen is blank
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Posted October 29, 2012 at 9:30PM
It worked ok up to now apart from many times when I clicked the back button it would not bring the privious page instead, it would bring blank page and then i had to close and start from beginning. today it worked ok until an hour ago, when the screen suddenly turned blank. i tried to shut down from the on/off button but the screen still blank and no button would have any effect on the screen. can any one help me?
Likes # 0
Posted October 30, 2012 at 2:29PM
Hey buddy, try disconnecting from the main power then take the battery out for a minute or so then reinsert the battery and try booting again. I've seen this happen on many laptops and it could be a number of reasons. Overheating being the frequent one!. Make sure your laptop is not overheating. Good luck
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Posted November 3, 2012 at 11:12AM
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The chan luu chan luu semi precious stone sections on leather bracelet is sold out or discontinued. We found 1086 related products.
CHAN LUU MULTI STONE WRAP BRACELET Chan Luu is a designer of fine fashion jewelry and accessories . Chan Luu jewelry pieces have been featured in the top fashion magazines and have adorned Hollywoods hottest celebrities. Using hand cut semi-precious stones, beads, and colored fresh water pearls, Chan Luu's trademark is her artistic skill in combining unusual forms with beautiful colors to create truly striking pieces which set the trend in fashion jewelry .Each Chan Luu design incorporates orga
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Complete your look with this charming Chan Luu bracelet!Braided macrame cord with copper-tone crystals and silver details.Adjustable pull cord closure.Handcrafted in Vietnam. Measurements:Width: 1 4 inDiameter/Length: 7 1 4 inWeight: 0.2 ozKeep it all in the family and check out the opulent hair accessory collection of Chan Luu's sister.
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Faceted semiprecious stones and Swarovski crystals trace a gleaming vermeil Y-style necklace. Color(s): african opal, blue agate. Brand: CHAN LUU. Style Name: Chan Luu Y-Necklace. Style Number: 812635. Manufacturer part number NG-10428 17 length; 4 dropHandcrafted Sterling silver/14k-gold plating/opal or agate/Swarovski crystal By Chan Luu; imported
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CLOSEOUTS . Chan Luuand#39;s tassel coin charm necklace has an exotic appeal with a tropical air; the shell-inspired stacked mini disks are strung in a striking contrasting design, and embossed coins and tassel at the center lend a buried-treasure vibe. Available Colors: AMPHORA COMBO, APRICOT COMBO, BEIGE COMBO, NEON YELLOW COMBO, GREEN COMBO, DEEP SAGE COMBO, BLACK COMBO, NEON PINK COMBO, RUBY COMBO.
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Sierra Trading Post
Sierra Trading Post
Jenni Chan luggage features American Elite's Quattro 360 Degree 4-wheel technology and Quattro handle technology. This patent pending handle is the only handle that bends to 45 Degrees so you can pull or push the case. From luggage to totes and business cases, Ms. Chan's designs offer beauty, simplicity and value.
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Luggage Pros
Luggage Pros
This luggage from Jenni Chan features four spinner wheels and a patented 45-degree tilting and locking telescoping handle.
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Petite 18k goldplated beads lend radiance and shine to rows of wrapped leather cord. 18k goldplated sterling silver. Leather. Length adjusts from about 32 to 34. Width, about 0.25. Button-and-loop closure. Imported. - Color: Black-Gold - Size: No
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Saks Fifth Avenue
Saks Fifth Avenue
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Sears Marketplace
Sears Marketplace
Created by renowned designer Chan Luu, this handmade wrap bracelet dazzles with organic shapes and artistic beauty. Semi-precious stones and rich leather create a sophisticated look you can enjoy on either wrist, whether you're hosting a cocktail party or relaxing on pristine shores. An adjustable button closure provides a personal fit.
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Tommy Bahama
Tommy Bahama
Wrapped and ready. Chan Luu's leather bracelet adds a casual vibe to whatever you're wearing, from a day dress to a tee and jeans.
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CHAN LUU Chan Luu is a designer of fine fashion jewelry and accessories. Originally from Vietnam, Chan Luu moved to Boston and later Los Angeles to earn a degree in Fashion Design at the Fashion Institute of Design in 1975. She opened her own boutique in 1982 and began designing her own accessories in 1996. Chan pieces have been featured in Vogue, Elle, Glamour, Harper Bazaar and InStyle. Her designs have been worn by celebrities such as Jennifer Aniston, Mischa Barton, Sandra Bullock, Christin
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Chan Luu Turquoise, Crystals, Seed Beads,Gold Silver Plated Nugget Mix Wrap Bracelet Natural Cow Leather/ 5 Wrap Bracelet Silver Round Chan Luu Stamped Button 32 Long w/Semi-Precious Stones Turquoise Crystals w/Gold Silver Plated Nuggets Bracelet arrives in beautiful silk fabric Chan Luu jewelry pouch Gorgeous!! Chan Luu designer wrap bracelet!Celebrity favorite!Measurements are 32 long Can be wrapped around the wrist 5 times Also can be worn as a necklace!Please contact us with any questio
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Jenni Chan Black and Red Jenni Chan Signature 24 Upright Spinner in Black and WhiteMaterial: 600D Polyester Womens Luggage,Spinner Luggage,Signature,Lightweight Rolling Luggage,Rolling Luggage,23 - 24 Bags,Lightweight Luggage,For 3-4 Day Trip,Womens Rolling Luggage,Checked Luggage,Jenni Chan,By Size,For 2-3 Day Trip,Without Suiter
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Make a splash with this charming Chan Luu bracelet!Faceted nuggets are hand woven onto natural leather.Toggle closure.Handcrafted in Vietnam. Measurements:Width: 1 4 inDiameter/Length: 32 inWeight: 0.8 ozKeep it all in the family and check out the opulent hair accessory collection of Chan Luu's sister.
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Complete your look with this sleek Chan Luu bracelet!Single-wrap bracelet on corded leather.Bead mix adds visual appeal.Sterling silver Chan Luu engraved curved oval button with four adjustable closures.Handcrafted in Vietnam. Measurements:Width: 1 2 inDiameter/Length: 3 inWeight: 0.3 ozKeep it all in the family and check out the opulent hair accessory collection of Chan Luu's sister.
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Beautiful semiprecious stones trace a long, continuous necklace finished with a playful, lightweight tassel. Color(s): turquoise mix. Brand: CHAN LUU. Style Name: Chan Luu Long Beaded Necklace. Style Number: 1081546. Manufacturer part number NS-10749 36 length; 3 extender; 3 tassel dropNo closure Thread/sterling silver/mother-of-pearl/amazonite/turquoise/dyed quartz By Chan Luu; imported
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Complete your look with this Chan Luu bracelet!Handcrafted bracelet features colored seed beads and is hand woven onto corded leather.Sterling silver Chan Luu engraved curved oval button with four adjustable closures.Handcrafted in Vietnam. Measurements:Width: 1 4 inDiameter/Length: 3 1 2 inWeight: 0.18 ozKeep it all in the family and check out the opulent hair accessory collection of Chan Luu's sister.
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Featuring glistening glass and crystal beads on a laid-back woven strand, this dainty Chan Luu bracelet brings a little sparkle into your stack.
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One of the five Arizona companies that took over operations from New Mexico behavioral health providers last year is announcing salary reductions. The company says it had to cut pay because it was losing money.
Agave is a non-profit corporation formed in New Mexico by Southwest Behavioral Health of Arizona. Rather than imposing layoffs, CEO and President Jeff Jorde said the firm needs to cut salaries for its 350 employees by five percent, beginning next week.
New Mexico's Human Services Department says more consumers, not fewer, are receiving services since the takeover last summer of a dozen behavioral health providers accused of fraud. HSD's response is contrary to the results of a progress report by a federal oversight agency.


text:
Hornady Lock-N-Load AP Progressive Press Shellplate #36 (32 H&R Magnum, 32 S&W Long)
Product #: 334923 Hornady #: 392636 UPC #: 090255926361
Product Information
The Hornady Lock-N-Load AP Progressive Press Shellplate makes changing calibers a breeze on your Hornady Lock-N-Load Press and the older Hornady Projector Press. There is a shellplate available to fit almost every caliber. The shellplate numbers correspond with the Hornady shellholder numbers for different calibers. These shellplates are designed to work with the EZ-Ject System and Pro-Jector presses.
Technical Information
Press: Hornady Lock-N-Load AP
Material: Steel
32 S&W Long
32 S&W Short
32 H&R Magnum
Technical Information
Press: Hornady Lock-N-Load AP
Material: Steel
Additional Information
Delivery Information
The total weight of the product, including the product's packaging as it sits on our shelf. Since some products ship directly from the Manufacturer, their weight may be unavailable. Because of variations in the manufacturing process, similar products may have differing weights. Unless the product is designated as "Ships Alone", Shipping Weight does not include the shipping box or packing materials associated with your order.
Product ships from MidwayUSA, separate from any other products on your order due to its size. Products that are Shipped Alone incur separate "Per Order" and "Per Pound" shipping charges.
Product is regulated by the US Department of Transportation (DOT) and cannot be shipped via USPS or air shipping methods. DOT-Regulated products must ship UPS Ground.
Product is restricted by shipping carriers and cannot be shipped to certain locations or via certain shipping methods.
Additional shipping charge for HazMat products. Carriers charge extra to ship packages with products they consider hazardous, such as reloading powder and primers.
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text: Young Driver Falls Asleep At The Wheel – VIDEO By Steve Peloquin July 9, 2013 1:07 AM Share on Facebook Share on Twitter This is video of a driver falling asleep at the wheel of a moving vehicle. Don't worry, the driver is is only a toddler, and the vehicle is a mini-car. Looks like he needs a nap. Category: Sports Buzz Share on Facebook Share on Twitter More Leave a comment Send to a friend! Print this page Pin it! Reddit This! Share on Tumblr! Best of ESPN 1420 Recommended For You Around the Web


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Do you have a child battling a disability or special health care needs? If so, we invite you to register for our FREE Superhero event happening next Wednesday, April 1st around 9am. Every child registered will not only have an amazing fun filled morning with local radio hosts from Wild 94.9 but they will also receive their very own custom Superhero Cape!! We have some extra surprises in store so hope you can make it!
Registration opens Monday and space is limited so mark your calendar, set your alarm, do whatever you need to do in order to get online to register your child this coming Monday.
We are excited to not only partner up with the local SF based radio station Wild 94.9 but also the San francisco based Non-Profit organization "Support for Families of Children with Disabilities".
Date: Wednesday, April 1st
Time: TBD- morning time
Location: TBD- in San Francisco
We make and personalize superhero capes for kids with disabilities, kids with life threatening illnesses and kids who just need to feel empowered. We hope our capes give these deserving kids an extra boost of strength and courage and make them feel like the superheroes they truly are!
Capes4Heroes®, formerly Kiss The Toad Creations®, was created four years ago when Barbara Casados's autistic son Maddox refused to wear anything but a superhero cape. So, Barbara bought a sewing machine, taught herself how to sew and made lots of different capes for Maddox. Other parents at Maddox's special needs school saw the impact the superhero capes had on him and asked Barbara to make capes for their kids.
One thing led to another and soon Barbara and her team of amazing seamstresses were making superhero capes for children all over the country. Capes4Heroes®, was officially born!


text:
Feb 05, 2012 at 04:28PM EST
Yeah, I'm gonna go with +1 work -1 deadpool. Dunno why this got 'pooled, really =/
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Minnesota state parks offer wildflower walks on Mother's Day
Minnesota state parks will offer wildflower walks on Mother's Day weekend. Park naturalists and volunteers will point out what's blooming on guided walks, according to the Department of Natural Resources.
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