6. A character input device, comprising: a display unit; a touch sensor for detecting a contact with a surface thereof; a character recognition processing unit for performing a first character recognition process for recognizing a character used for a first function and a second character recognition process for recognizing a character used for a second function, on the basis of a locus connecting positions where the contact is detected by the touch sensor; and an input control unit for displaying, on the display unit, a first input screen for the first function onto which the character recognized by the first character recognition process is input and/or a second input screen for the second function onto which the character recognized by the second character recognition process is input, wherein the first function is a telephone function, and the character recognition processing unit is configured to recognize a number using the first character recognition process.
6. A character input device, comprising: a display unit; a touch sensor for detecting a contact with a surface thereof; a character recognition processing unit for performing a first character recognition process for recognizing a character used for a first function and a second character recognition process for recognizing a character used for a second function, on the basis of a locus connecting positions where the contact is detected by the touch sensor; and an input control unit for displaying, on the display unit, a first input screen for the first function onto which the character recognized by the first character recognition process is input and/or a second input screen for the second function onto which the character recognized by the second character recognition process is input, wherein the first function is a telephone function, and the character recognition processing unit is configured to recognize a number using the first character recognition process. 7. The character input device according to claim 6 , wherein the second function is a function different from the telephone function, and the character recognition processing unit is configured to recognize a number and other characters using the second character recognition process.