Power control arrangement, as for a flashlight

Details Power control arrangement, as for a flashlight Power control arrangement, as for a flashlight

2007-05-08

2007-05-08

Vo, Tuyet (Department: 2821)

Electric lamp and discharge devices: systems

Automatic substitution of the power supply

With load device or electrode substitution

C362S020000, C362S205000

Reexamination Certificate

active

10772786

ABSTRACT:
In a battery-operated apparatus comprising a load, a battery and a switch in circuit for selectively energizing the load: a comparator compares a potential produced by the battery and a reference potential for de-energizing the load when the battery potential is below a predetermined potential.

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