Control circuit for motor-drive cameras

Details Control circuit for motor-drive cameras Control circuit for motor-drive cameras

1976-09-21

1978-03-14

Hix, L. T.

354204, G03B 100, G03B 1742

Patent

active

040793974

ABSTRACT:
A circuit is disclosed for controlling the drive motor of a motor driven camera in a single frame shot mode, A continuous shooting mode and a bulb mode. The circuit includes provision for controlling the camera from a plurality of positions. A release circuit controls the motor until the shutter is released. Then a film winding circuit controls. The time constant of the film winding circuit may be varied to control the duration between successive shots in a continuous shot mode. For a single shot mode, the film winding circuit is effectively blocked from operating the motor until the release button is no longer depressed.

REFERENCES:
patent: 3813681 (1974-05-01), Sahara
patent: 3903466 (1975-09-01), Kondo
patent: 3973268 (1976-08-01), Arai
patent: 3980400 (1976-09-01), Maida

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