Power supply control circuit

Details Power supply control circuit Power supply control circuit

2011-04-19

2011-04-19

Elamin, Abdelmoniem (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

C713S310000, C327S431000, C327S434000

Reexamination Certificate

active

07930570

ABSTRACT:
An exemplary power supply control circuit includes a first electric switch, a second electric switch, a third electric switch, a power supply, and an output terminal. The first electric switch has a first terminal connected to an SIO chip to receive a control signal. When the control signal is at a high level, the first electric switch is turned on, the second electric switch is turned off, the third electric switch is turned off, and the output terminal outputs no power supply. When the control signal is at a low level, the first electric switch is turned off, the second electric switch is turned on, the third electric switch is turned on, and the output terminal outputs the power supply.

REFERENCES:
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patent: 7659773 (2010-02-01), Choi et al.
patent: 7812647 (2010-10-01), Williams
patent: 2005/0218959 (2005-10-01), Yamawaki et al.
patent: 2008/0123799 (2008-05-01), Otose
patent: 2008/0180157 (2008-07-01), Choi et al.
patent: 2008/0197908 (2008-08-01), Williams
patent: 2009/0016083 (2009-01-01), Soldano et al.

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