Power supply control circuit
First Claim
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1. A power supply control circuit that automatically shuts off power supply to an electric apparatus, said power supply control circuit comprising:
- a photocoupler for inputting a remote control signal;
a switching circuit having a press-button switch provided toward an output end of said photocoupler; and
a power supply that is momentarily activated by shorting said switching circuit;
thereby providing a self-holding circuit that maintains the active mode of said remote control signal for said photocoupler.
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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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Citations
4 Claims
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1. A power supply control circuit that automatically shuts off power supply to an electric apparatus, said power supply control circuit comprising:
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a photocoupler for inputting a remote control signal;
a switching circuit having a press-button switch provided toward an output end of said photocoupler; and
a power supply that is momentarily activated by shorting said switching circuit;
thereby providing a self-holding circuit that maintains the active mode of said remote control signal for said photocoupler. - View Dependent Claims (2, 3, 4)
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Specification