Keyboard identification

Details Keyboard identification Keyboard identification

1997-09-22

1999-01-05

Zimmerman, Brian

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

34082522, 34082523, 264139, G05B 1402

Patent

active

058567950

ABSTRACT:
A keyboard matrix of a keyboard has drive lines including a set of lines to be selectively activated for detection of depressed keys and scan lines including a set of lines to be selectively monitored for detection of depressed keys. The keyboard matrix includes circuitry for connecting one of the drive lines with one of the scan lines for providing an identification of the keyboard.

REFERENCES:
patent: 5349344 (1994-09-01), Head

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