Power supply circuit with power saving mode for video display ap

Details Power supply circuit with power saving mode for video display ap Power supply circuit with power saving mode for video display ap

1997-01-13

1998-03-10

Hecker, Stuart N.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

323207, 364707, G05F 170, G06F 100, H02M 542

Patent

active

057268711

ABSTRACT:
A power supply circuit for a video display appliance capable of reducing even the unnecessary power consumption caused by a power factor correction circuit when a display control for power saving is performed. The power supply circuit includes a rectifying section, a power factor correction section, an SMPS, a control section for determining whether to perform a display control for power saving of the video display appliance to provide a control signal, and a switching section for controlling the operation of the power factor correction section according to the control signal provided from the control section.

REFERENCES:
patent: 5489837 (1996-02-01), Arakawa
patent: 5568041 (1996-10-01), Hesterman
patent: 5617013 (1997-04-01), Cozzi
patent: 5648799 (1997-07-01), Kikinis
patent: 5657257 (1997-08-01), Lee
patent: 5664203 (1997-09-01), Hong et al.

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