Camera

Details Camera Camera

1988-01-04

1988-10-25

Gellner, Michael L.

354214, 354217, G03B 118

Patent

active

047807342

ABSTRACT:
A camera is arranged such that when a film housed in a film cartridge is loaded into a film cartridge chamber of the camera with a leader portion of the film remaining outside the camera and upon closure of the film cartridge chamber, the leader portion of the film is retracted into the camera and the film is wound onto a film winding spool. This camera comprises a retracted-amount measuring system for measuring the retracted-amount of film when the leader portion thereof is retracted into the camera and a wound-amount detector responsive to an output of the retracted-amount measuring system to determine the amount of the film wound onto the film winding spool.

REFERENCES:
patent: 4304480 (1981-12-01), Fukahori et al.
patent: 4417793 (1983-11-01), Oyokota et al.
patent: 4460257 (1984-07-01), Araki et al.
patent: 4504131 (1985-03-01), Kimura
patent: 4679926 (1987-07-01), Suzuki et al.

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