Wireless keyboard system

Details Wireless keyboard system Wireless keyboard system

1997-09-11

2000-04-18

Chow, Dennis-Doon

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

345169, 345158, G09G 500

Patent

active

060521163

ABSTRACT:
A wireless keyboard system includes a wireless keyboard and a receiver unit. The wireless keyboard includes a controller and a transmitter. The controller detects the status of a standard key and nontext keys and generates a status information representing whether the nontext key is pressed or released and a key data representing which standard key is pressed and which nontext key is pressed. The transmitter transmits the key data together with the status information. The receiver unit generates a key code on the basis of the key data with reference to the status information.

REFERENCES:
patent: 5307297 (1994-04-01), Iguchi et al.
patent: 5859599 (1999-01-01), Shiga

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