Control device for power saving

Details Control device for power saving Control device for power saving

1995-11-29

1996-08-27

Wambach, Margaret Rose

Electrical pulse counters, pulse dividers, or shift registers: c

Systems

377 20, 327544, H03K 2100

Patent

active

055508855

ABSTRACT:
A control device for power saving for personal computers, printers, etc. which generates a suspension signal or a power-off signal to perform power saving by detecting input horizontal and vertical sync signals. The suspension signal provides a suspension mode for a minimum basic operation of the computer or printer, while the power-off signal provides a system power-off mode. The control device is designed as a digital circuit comprising latches, counters, monostable multivibrators, and other logical elements. Integration of the circuit is possible as well as its transient response characteristic is improved.

REFERENCES:
patent: 4994719 (1991-02-01), Lenardo
patent: 5329169 (1994-07-01), Ihara

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