Apparatus for holding closed a power switch for an electric shut

Details Apparatus for holding closed a power switch for an electric shut Apparatus for holding closed a power switch for an electric shut

1974-06-13

1976-04-13

Hix, L. T.

354 60R, 354258, G03B 1738

Patent

active

039507742

ABSTRACT:
Apparatus provides for reducing drain on an electrical power source in a camera and also provides for convenient manual operation in connection with relatively long-exposure-time photographing by controlling the closing of a power switch that switchably connects the power source to an exposure control circuit.

REFERENCES:
patent: 3500729 (1970-03-01), Rentschler et al.
patent: 3581633 (1971-06-01), Uno et al.
patent: 3657986 (1972-04-01), Kitai
patent: 3713372 (1973-01-01), Schill
patent: 3731602 (1973-05-01), Umemura
patent: 3791277 (1974-02-01), Kobori et al.
patent: 3812511 (1974-05-01), Hackenberg et al.

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