Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hua Zou0
Feng-Long He0
Date of Patent
April 19, 2011
0Patent Application Number
121891060
Date Filed
August 8, 2008
0Patent Primary Examiner
Patent 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.
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