Photographic film

Details Photographic film Photographic film

1995-08-16

1996-11-19

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Structurally defined

430496, 430347, 430644, 352241, 396324, 396613, G03C 1114, G03C 900, G03B 2164

Patent

active

055761534

ABSTRACT:
This invention is a photographic film proposed to facilitate a cutting operation of the photographic film by accurately cutting a longitudinal central position of perforations and to facilitate an editing operation of cut stereo photographs, and has a constitution which has perforations provided along the vicinities of both upper and lower side edges of the photographic film, cutting marks described as latent images by preexposure at a longitudinal center of a periphery of each perforation. Further, frame numbers for a stereo photograph are described as latent images by preexposure at a lower edge of each photographic picture plane of the film.

REFERENCES:
patent: 2527765 (1950-10-01), Roehrl
patent: 4295713 (1981-10-01), Edwards
patent: 5338650 (1994-08-01), Iwagaki
patent: 5447828 (1995-09-01), Inaba

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