Patent
1993-03-04
1994-06-28
Gray, David M.
354207, G03B 1724
Patent
active
053251385
ABSTRACT:
A camera is used with a film having a magnet record portion for each frame thereof. The camera is provided with a head portion for writing information in the magnetic record portion. When the film is rewound halfway up the end thereof, the head portion writes a plurality of specific information pieces in the record portion of each unexposed frame.
REFERENCES:
patent: 4878075 (1989-10-01), Cannon
Canon Kabushiki Kaisha
Gray David M.
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