Power supply control circuit
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United States of America Patent
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Issued Date -
Feb 26, 2004
app pub date -
Jun 16, 2003
filing date -
Jun 18, 2002
priority date (Note) -
Abandoned
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Abstract
A power supply control circuit that automatically shuts off power supply to an electric apparatus comprises a photocoupler for inputting a remote control signal, a switching circuit having a press-button switch provided toward an output end of the photocoupler and a power supply that is momentarily activated by shorting the switching circuit. Accordingly, a self-holding circuit is provided that maintains the active mode of the remote control signal for the photocoupler.
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