Power supply control circuit

Details Power supply control circuit Power supply control circuit

1982-12-13

1985-11-12

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

354468, 354473, 354484, G08B 2100

Patent

active

045531404

ABSTRACT:
A power supply control circuit for controlling power supply through a power switch to a battery-operated circuit. The control circuit includes circuitry for keeping the power supply to the battery-operated circuit for a predetermined holding time after the power switch has been turned off, the holding time being reduced as consumption of the battery develops.

REFERENCES:
patent: 4471492 (1984-09-01), Mann et al.

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