Power saving circuit for display system

Details Power saving circuit for display system Power saving circuit for display system

2006-02-14

2006-02-14

Browne, Lynne H. (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S300000, C713S340000

Reexamination Certificate

active

07000127

ABSTRACT:
An information handling system comprises a data processing unit providing at least one control signal and a constant voltage signal, a monitor coupled with the data processing unit, wherein the monitor comprises a power saving circuitry receiving the at least one control signal and the constant voltage signal. The power saving circuitry comprises a microcontroller for monitoring the control signal comprising a supply voltage input being coupled with the constant voltage signal provided by the data processing unit, a controllable switch for coupling a power supply voltage with the monitor being controlled by the microcontroller.

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“Display Power Management Signaling (DPMS) Standard”, VESA© Video Electronics Standards Association, pp. 1-12.
“Enhanced Display Data Channel Standard”, VESA© Video Electronics Standards Association, pp. 1-21.
“Digital Visual Interface DVI”, DDWG Digital Display Working Group, pp. 1-76.

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