1981-03-16
1982-10-12
Hix, L. T.
354266, G03B 118, G03B 1738
Patent
active
043536336
ABSTRACT:
A motor drive device to be coupled with a camera for driving a film advancing mechanism thereof. Each of said camera and motor drive device is provided with an electric control device and a power supply circuit for power supply to the electric control device. The camera is provided with a power supply control circuit for controlling power supply from the power supply circuit of the camera to the electric control device of the camera. The power supply control circuit is adapted to receive power supply from the power supply circuit of the camera with the motor drive device. The motor drive device has means for controlling the power supply from the power supply circuit of the motor drive device in synchronization with the control function of the power supply control circuit upon electric connection with the camera.
REFERENCES:
patent: 4084169 (1978-04-01), Iwata et al.
patent: 4091395 (1978-05-01), Kozuki et al.
Hix L. T,.
Nippon Kogaku K.K.
Perkey William B.
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