Camera for use with film having sprocket holes and/or coded perf

Details Camera for use with film having sprocket holes and/or coded perf Camera for use with film having sprocket holes and/or coded perf

1982-05-12

1983-12-13

Perkey, William B.

354203, 35428912, G03B 724, G03B 1728

Patent

active

044202369

ABSTRACT:
The camera detects coded perforations of the film at a detecting position for reading out information represented by coded perforations on the film. The camera back cover includes a pressure plate to resiliently abut the film at the exposure station and coacts with film abutting structure to maintain the film flat at a detecting position such that the coded perforations on the film can be read out to generate a film sensitivity signal and two different outputs are provided to indicate whether or not the film is of standard sensitivity and the film sensitivity is displayed. The display modes are changeable.

REFERENCES:
patent: 4139294 (1979-02-01), Aneshansley et al.
patent: 4173401 (1979-11-01), Harvey
patent: 4274726 (1981-06-01), Yoneyama et al.
patent: 4286849 (1981-09-01), Uchidoi et al.
patent: 4304480 (1981-12-01), Fukahori et al.
patent: 4304481 (1981-12-01), Ichiyanagi
Research Disclosure, the issue of Apr. 1980 No. 182, entitled "Photographic Film Coding" on p. 142.

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