Camera adapted to use film having magnetic recording part

Details Camera adapted to use film having magnetic recording part Camera adapted to use film having magnetic recording part

1995-06-05

1997-03-18

Metjahic, Safet

Photography

With data recording

Magnetically on film or film cassette

396389, G03B 1724

Patent

active

056127570

ABSTRACT:
A camera of the kind making a discrimination between exposed and unexposed states of each of frames of a film by detecting information recorded in a magnetic recording part provided at each of the frames is arranged to detect the information twice for one and the same frame by causing the film to be transported in different directions and to finally decide the state of exposure of the frame according to whether the results of the detection made twice coincide with each other or not, so that the discrimination can be accurately carried out.

REFERENCES:
patent: 4878075 (1989-10-01), Cannon
patent: 5130728 (1992-07-01), Goto et al.
patent: 5220367 (1993-06-01), Matsuyama
patent: 5251077 (1993-10-01), Saitoh
patent: 5281987 (1994-01-01), Nagata
patent: 5432570 (1995-07-01), Ueda et al.
patent: 5477289 (1995-12-01), Smart
Patent Abstracts of Japan No. JP4068329, vol. 16, No. 268 (P-1372), published Mar. 4, 1992.
Patent Abstracts of Japan No. JP4246628, vol. 17, No. 20 (P01469), published Sep. 2, 1992.

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