Means for controlling film drive in cameras

Details Means for controlling film drive in cameras Means for controlling film drive in cameras

1977-12-28

1979-02-27

Gellner, Michael L.

G03B 112

Patent

active

041416350

ABSTRACT:
In a camera loaded with a 110 type film cartridge a film drive mechanism is provided with a control circuit for controlling a drive motor. In the normal film wind up operation a high voltage is applied to the motor, and after the final frame has been exposed and when the trailing part of the film is being fed, the voltage applied to the motor is lowered by use of a time constant circuit.

REFERENCES:
patent: 3710705 (1973-01-01), Kimura
patent: 4075644 (1978-02-01), Hosono

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