User interface of a keypad entry system for character input

Details User interface of a keypad entry system for character input User interface of a keypad entry system for character input

2006-08-22

2006-08-22

Liang, Regina (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

C345S169000, C341S028000

Reexamination Certificate

active

07095403

ABSTRACT:
A user interface (102) of a portable electronic device (100) includes a plurality of keys (112). The user interface (102) includes a first group of keys representing vowel characters (402), and a second group of keys representing consonant characters (202). The second group of keys is separate from the first group of keys. For the first group of keys, a first key represents leading vowels (422, 424, 426), a second key represents above and below vowels (428, 430), and a third key represents following vowels (432, 434, 436). The second group of keys may be subdivided into phonetic consonant groups (FIGS.5&6) or alphabetic consonant groups (FIGS.7&8).

REFERENCES:
patent: 6356258 (2002-03-01), Kato et al.
patent: 2003/0122785 (2003-07-01), Jayachandra
patent: 11353096 (1999-12-01), None
Chamrat Atsawaprecha, “Thai Input and Output Methods,” Feb. 12, 1992.

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