Motorized photographic system and camera and power drive unit th

Details Motorized photographic system and camera and power drive unit th Motorized photographic system and camera and power drive unit th

1979-07-19

1981-10-13

Hix, L. T.

354213, 354214, 354218, G03B 118, G03B 160

Patent

active

042945305

ABSTRACT:
In the system disclosed, a motor drives a winding arrangement and a rewinding arrangement for advancing and rewinding the film in a camera in response to a first switch device that forms an electrical signal indicating completion of an exposure in the camera and a second switch device that indicates that the film has been rewound; the first and second switch devices being electrically connected to each other. The exposure completion and advance completion signals in the winding mode, and rewind stop completion signals in the rewind mode are multiplexed along the same line between the camera and the unit.

REFERENCES:
patent: 3748028 (1973-07-01), Iida
patent: 3783762 (1974-01-01), Sugimori
patent: 3878546 (1975-04-01), Adamski
patent: 4015198 (1977-03-01), Iwashita et al.
patent: 4149793 (1979-04-01), Date

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