Key array of keyboard

Details Key array of keyboard Key array of keyboard

2007-10-30

2007-10-30

Yan, Ren (Department: 2854)

Typewriting machines

Key-board or key lever-actuating mechanism

Including means generating a signal for type selecting or...

C400S489000, C400S485000, C400S484000, C400S486000, C361S689000

Reexamination Certificate

active

11125117

ABSTRACT:
A key array for a keyboard is provided having an input key section including a plurality of input keys. Each input key has a left key part, a central key part, and a right key part. A left control key is positioned on a left side of the input key section so as to convert a mode of the keyboard into a right key input mode so that the right key part is operated when a user presses the key input section. A right control key is positioned on a right side of the input key section so as to convert the mode of the keyboard into a left key input mode so that the left key part is operated when the user presses the key input section. A shift key section including two shift keys is aligned on both sides of the keyboard adjacent to the left and right control keys in order to attain additional functions of the keyboard when the shift keys are pressed simultaneously with the input key section.

REFERENCES:
patent: 5661505 (1997-08-01), Livits
patent: 5790103 (1998-08-01), Willner
patent: 5818437 (1998-10-01), Grover et al.
patent: 5861821 (1999-01-01), Kato et al.
patent: 6231252 (2001-05-01), Kitamura
patent: 6286064 (2001-09-01), King et al.
patent: 6348878 (2002-02-01), Tsubai

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