ALPHABET INPUT SYSTEM IN A SMALL KEYPAD INPUTTING ALPHABET BY A SUCCESSIVE COMBINATION OF A KEYPAD

摘要

PURPOSE: An alphabet input system in a small keypad inputting alphabet by a successive combination of a keypad is provided to reduce the number of input types and input time by including the second keypad unit about an alphabet. CONSTITUTION: A first keypad unit comprises buttons. An alphabet character is composed by the combination of one or more buttons. A stroke of the alphabet is dividedly shaped from the buttons. A second key pad unit comprises buttons. The buttons are the buttons about the frequently used alphabet character. The first keypad comprises the buttons of some letter characters. The second key pad part includes A, E, and O buttons.