Camera

Details Camera Camera

1997-04-01

1999-05-04

Metjahic, Safet

Photography

With data recording

Magnetically on film or film cassette

G03B 1724

Patent

active

058995897

ABSTRACT:
A camera which can record photographic information magnetically onto film while rewinding the film. The film has perforations provided in conjunction with each frame to be exposed and near an end in a rewinding direction of the frames. A sensor is used to detect passage start time and passage end time of these perforations. A recording time determining circuit is then used to determine a recording time per unit bit so that photographic information can be recorded in an area of the film associated with each frame of the film. This recording is based on a time difference between the passage start time and the passage end time as detected by the sensor. A magnetic recorder is used to record associated photographic information in the determined recording time onto a magnetic track of the film corresponding of an exposed frame.

REFERENCES:
patent: 5640629 (1997-06-01), Hibino et al.
patent: 5649246 (1997-07-01), Hibino et al.
patent: 5787316 (1998-07-01), Shroyer

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