Power supply circuit employed in computer for performing different standby modes
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United States of America Patent
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Jan 27, 2015
Grant Date -
Apr 25, 2013
app pub date -
May 1, 2012
filing date -
Oct 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A power supply circuit includes a basic input output system (BIOS), a super input output (SIO), a bivibrator, a logical selector, and a voltage converter. The basic input output system (BIOS) is configured for storing different operation modes of a computer. The super input output (SIO) is configured for generating standby mode signals according to the different operation modes. The bivibrator is configured for generating a reference signal when upon receiving a clock signal from the computer when the computer is turned on. The logical selector is configured for generating a standby control signal in response to the reference signal and one of the standby mode signals. The voltage converter is configured for transforming the first standby voltage into a second standby voltage to drive the SIO. The SIO receives the second standby voltage before the clock signal is delayed and provided to the SIO to start the computer.
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