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Abstract

A method for inputting text using the keys of 0-9 of a numeric keypad. The code length of digital encoding may be from 4 to 5 bits. For Chinese-characters, the total number of strokes expressed by two figures may correspond to the first two bits, the first three stroke codes may correspond to the third to the fifth bits, respectively, and inputting the termination code when the total code length is less than 5 bits. For letters, figures, and symbols, two bits express the serial number, the third bit is an identification code, and the fourth bit is the termination code, Chinese-characters and other characters may be inputted with the same input method without switching the input state. The probability of repeated codes is low. The methods can be used by various kinds of input devices with numeric keys.

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First Claim