Shutter release system for a camera

Details Shutter release system for a camera Shutter release system for a camera

1976-11-18

1979-01-16

Gonzales, John

354234, G03B 1738

Patent

active

041346580

ABSTRACT:
A shutter release system for a camera having an electric shutter, made so that when a power source battery is exhausted preventing a shutter control circuit from properly functioning, it is detected to block shutter release and an electric control mode is changed over to a mechanical control mode by handling a change over means for conducting an exposure with a constant period of time.

REFERENCES:
patent: 3906532 (1975-09-01), Kuramoto et al.
patent: 3922693 (1975-11-01), Matsui
patent: 3927416 (1975-12-01), Inoue
patent: 4051498 (1977-09-01), Kitai

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