Identifying cassettes loaded in cameras

Details Identifying cassettes loaded in cameras Identifying cassettes loaded in cameras

1980-07-08

1982-01-19

Griffin, Donald A.

354275, G03B 1736, G03B 1726

Patent

active

043113770

ABSTRACT:
A photographic camera recognizes when a partially used film cassette is reloaded into the camera. Following the loading of such a cassette the camera drives the film to position an unexposed film frame for exposure.

REFERENCES:
patent: 3290987 (1966-12-01), James et al.
patent: 3747497 (1973-07-01), Daitoku et al.
patent: 4021828 (1977-05-01), Iura et al.
patent: 4034393 (1977-07-01), Goldmacher
patent: 4114995 (1978-09-01), Stieringer et al.
patent: 4173401 (1979-11-01), Harvey
patent: 4174888 (1979-11-01), Hunn et al.

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