Battery checking circuit

Details Battery checking circuit Battery checking circuit

1985-04-26

1987-12-29

Adams, Russell E.

354424, 354475, G03B 1718

Patent

active

047164336

ABSTRACT:
A battery checking circuit constructed with a pulse generating circuit for producing a pulse in response to operation of a camera, a counter for counting the pulses produced from the pulse generating circuit, a display divided into a plurality of parts for displaying the remaining amount of electric energy of a battery according to the number of energized display parts, and a display control circuit for controlling the display in accordance with the output of the counter.

REFERENCES:
patent: 4525055 (1985-06-01), Yokoo
patent: 4560937 (1985-12-01), Finger

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