Data-retainable photographic film cartridge

Details Data-retainable photographic film cartridge Data-retainable photographic film cartridge

1992-11-20

1993-10-19

Gellner, Michael L.

Photocopying

Contact printing

Light boxes

355 40, G03B 1724

Patent

active

052550311

ABSTRACT:
The present invention provides a photographic film cartridge including a cartridge, a spool carried in the cartridge for rotation about a longitudinal axis of the spool, a film wound into a roll around the spool, the film having frames each of which has an area to be exposed larger than 350 mm.sup.2 but smaller than 1200 mm.sup.2, an optical data-input region formed in the film having an area larger than 15% of the area of the frame, and at least one of electrical data-input device and magnetic data-input device being formed in the film or the cartridge.

REFERENCES:
patent: 4173401 (1979-11-01), Harvey
patent: 4302523 (1981-11-01), Audran et al.
patent: 4437742 (1984-03-01), Taniguchi
patent: 4453814 (1984-06-01), Satoh et al,
patent: 4490027 (1984-12-01), Frank et al.
patent: 4500183 (1985-02-01), Tanikawa
patent: 4655570 (1987-04-01), Jaffe
patent: 4728978 (1988-03-01), Inoue et al.
patent: 4860037 (1989-08-01), Harvey
patent: 4864332 (1989-09-01), Harvey
patent: 4974096 (1990-11-01), Wash

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