Key input device and character input method using...

Details Key input device and character input method using... Key input device and character input method using...

2005-05-24

2005-05-24

Tran, Henry N. (Department: 2674)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S156000, C341S020000, C341S022000, C341S028000, C379S433060, C379S433070, C715S810000

Reexamination Certificate

active

06897849

ABSTRACT:
A key input device is provided for inputting digits/letters/characters/symbols by a keypad and a character input method for the key input device. In the key input device, a mode key is pressed to select one of a plurality of key matrixes for a corresponding mode, which is displayed on a display. A first directional key is used for inter-cell movement in the displayed key matrix and a second directional key is used to select an intended digit/letter/character/symbol within a cell. In the character input method, a mode with a unique key matrix is set by pressing a mode key. An intended cell is moved to within the key matrix by pressing a first directional key. An intended digit/letter/character/symbol is selected in the cell by pressing a second directional key. The selected digit/letter/character/symbol is displayed on a display.

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May 2, 2002, Combined Search And Examination Report issued in counterpart foreign application no. GB 0121271.1.

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