Automatic rewinding device for film in camera

Patent

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Details

354214, G03B 118

Patent

active

044948425

ABSTRACT:
When a detector detects that a motorized transport arrangement is winding film, or when a resetting arrangement detects that a full frame has been wound, a reset signal resets a timer. When the detector arrangement senses that the transport is not moving the film and the film has not been wound a full frame, a release signal actuates the timer which generates a switching signal. A switchover facility responds to the switching signal to cause the transport to stop winding and start rewinding.

REFERENCES:
patent: 4174888 (1979-11-01), Hunn et al.
patent: 4297019 (1981-10-01), Yagi et al.
patent: 4299466 (1981-11-01), Harvey
patent: 4304480 (1981-12-01), Fukahori et al.
patent: 4311377 (1982-01-01), Matteson
patent: 4362370 (1982-12-01), Iwata et al.
patent: 4400074 (1983-08-01), Akiyama et al.

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