Indicating device for a camera

Details Indicating device for a camera Indicating device for a camera

1982-09-27

1984-02-14

Adams, Russell E.

3542891, G03B 1502

Patent

active

044312911

ABSTRACT:
In a camera usable with an electronic flash device and including an indicating element adapted to be operated when the electronic flash device has become capable of emitting flashlight, an electric shutter and a voltage detecting circuit for detecting the voltage of a battery for driving the electric shutter, there is provided a control circuit for rendering the indicating element inoperative in response to the output of the detecting circuit when the voltage of the battery is below a predetermined value, independently of whether or not the electronic flash device is in flashlight emission capable condition.

REFERENCES:
patent: 4131351 (1978-12-01), Iwata et al.
patent: 4152055 (1979-05-01), Onta et al.
patent: 4193677 (1980-03-01), Hasegawa et al.
patent: 4197484 (1980-04-01), Tanaka
patent: 4274724 (1981-06-01), Nakajima
patent: 4290677 (1981-09-01), Baumeister
patent: 4306176 (1981-12-01), Kaneko et al.

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