Keyboard

Details Keyboard Keyboard

2011-04-19

2011-04-19

Butler, Dennis M (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

C713S310000

Reexamination Certificate

active

07930567

ABSTRACT:
A keyboard includes a keyboard processor configured for outputting a control signal for turning a computer on/off; a switch circuit connected to a turn-on port of a south bridge chipset on a mainboard of the computer; and a processor connected to the keyboard processor and the switch circuit. When the processor receives the control signal output from the keyboard processor, the processor outputs a high pulse signal to the switch circuit to make the turn-on port grounded to turn on or turn off the computer.

REFERENCES:
patent: 5935254 (1999-08-01), Lee
patent: 6272645 (2001-08-01), Wang
patent: 2901406 (2007-05-01), None

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