Apparatus for and method of inputting alphabets using a...

Details Apparatus for and method of inputting alphabets using a... Apparatus for and method of inputting alphabets using a...

2008-04-01

2008-04-01

Edwards, Jr., Timothy (Department: 2612)

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

C345S173000, C455S090300, C708S146000

Reexamination Certificate

active

07352295

ABSTRACT:
The invention concerns an apparatus for inputting English alphabets, comprising: a keypad having five buttons of one central button, a left top button, a left bottom button, a right top button and a right bottom button arranged at each vertex of a square shape an d around the central button; a means for sequentially receiving signals input by operating the buttons on the keypad and creating the signals as button input signal sequences; a means for storing an alphabet list or a look-up table comprising alphabet sequences consisting of sequential sequences of any button input signals and English alphabet representation data, wherein one alphabet representation is associated with at least one alphabet sequence; and an alphabet search and display means for searching the alphabet list and displaying a corresponding alphabet representation, using the button input signal or a series of button input signals whenever one button input signal is received. According to the invention, a user may input English alphabet to handheld electronics, in a manner similar to writing the alphabets with hands, for example using only one finger, e.g. a thumb.

REFERENCES:
patent: 3996557 (1976-12-01), Donahey
patent: 6031471 (2000-02-01), Wilson
patent: 2002/0145592 (2002-10-01), Schauer
patent: 2003/0064686 (2003-04-01), Thomason et al.
patent: 2005/0088415 (2005-04-01), To
patent: 1999-0006320 (1999-01-01), None
patent: 2001-0001525 (2001-01-01), None

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