System for and method of controlling standby power

Details System for and method of controlling standby power System for and method of controlling standby power

2005-06-21

2005-06-21

Sherry, Michael (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S084000, C307S064000, C307S086000

Reexamination Certificate

active

06909621

ABSTRACT:
An apparatus for and a method of controlling standby power to minimize energy consumption in a standby mode. The standby power control apparatus includes a control unit, a power supply unit, a constant voltage unit, and a standby power generation unit. The control unit controls an overall operation of the system. The power supply unit converts an alternating current (AC) power into a direct current (DC) voltage and outputs the DC voltage to a load. The constant voltage unit drops the output DC voltage of the power supply unit and provides the control unit with the dropped output voltage. The standby power generation unit drops the output voltage of the power supply unit from a first value to a second value lower than the first value if the system is switched to a standby mode.

REFERENCES:
patent: 5140511 (1992-08-01), Lee et al.
patent: 5477279 (1995-12-01), Chang
patent: 6229724 (2001-05-01), Virtanen
patent: 6430062 (2002-08-01), Shin
patent: 6438060 (2002-08-01), Li et al.

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