Importance

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Abstract

The invention is to efficiently input characters on a keypad and, more particularly, to input various symbols by using the hiding control processing method, thereby maintaining a simple arrangement of the keypad. Furthermore, the present invention produces simple codes using the relation between characters allocated to the keypad and numerals, implements the short-cut input method using the simple codes, and enters target characters and words or phrases with a small number of strokes using the concurrent input method. With a switching server for interpreting simple codes, the user can input simple codes even when the third server requests words or phrases other than simple codes, and the switching server interprets simple codes input by the user and sends the words or phrases corresponding to the simple codes to the third server, which does not store the simple codes and the words or phrases corresponding to the simple codes.

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First Claim