Motor-driven operating apparatus for a photographic camera

Details Motor-driven operating apparatus for a photographic camera Motor-driven operating apparatus for a photographic camera

1974-07-08

1976-11-23

Gonzales, John

354214, 354217, G03B 118

Patent

active

039940039

ABSTRACT:
An operating apparatus provided with a rotary actuator which is driven by a motor to operate two actuating means for the shutter and film-winding mechanisms of an associated camera in timed relation. The motor is associated with a control circuit including a delay circuit responsive to the voltage of a power supply source connected to the motor, by which the initiation of the braking of the motor is controlled with respect to the termination of duration of the film winding operation so that when the motor is stopped from rotating, the rotary actuator assumes with high accuracy a predetermined operating position ready to operate the actuating means for the shutter mechanism regardless of variation of the voltage of the power supply source.

REFERENCES:
patent: 1779424 (1930-10-01), Fairchild
patent: 2880661 (1959-04-01), Kaden
patent: 3598033 (1971-08-01), Sasaki
patent: 3757660 (1973-09-01), Kuramoto
patent: 3783762 (1974-01-01), Sugimori

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