Motor drive camera

Details Motor drive camera Motor drive camera

1981-06-30

1982-09-28

Adams, Russell E.

354171, G03B 118

Patent

active

043515959

ABSTRACT:
A motor drive camera incorporates a motor drive device and a power source for the device and is adapted to mount a detachable auxiliary power source device to supply additional electric power to the motor drive device so as to raise the film winding up speed. The motor drive device includes a timer device whose operation is initiated at the same time as the initiation of power to the motor drive device and which effects the stop of power to the motor after the passage of a predetermined time. The operating time of the timer device is adapted to be changed in order to prevent the film from being damaged when mounting the auxiliary power source device to the camera.

REFERENCES:
patent: 4006489 (1977-02-01), Aizawa et al.
patent: 4091400 (1978-05-01), Land
patent: 4167314 (1979-09-01), Ichiyanagi et al.
patent: 4222649 (1980-09-01), Niwa et al.
patent: 4294530 (1981-10-01), Iwashita et al.

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