Film assemblage with pre-exposed film and method for forming the

Details Film assemblage with pre-exposed film and method for forming the Film assemblage with pre-exposed film and method for forming the

1991-07-08

1992-08-25

Gellner, Michael L.

G03B 100

Patent

active

051423111

ABSTRACT:
During manufacture a film unit has one portion masked while it is exposed to light in a second portion to form a latent image of indicia on the mask. A pod of liquid developer is attached to the pre-exposed film unit and together they are mounted within a cassette. The cassete is inserted into a camera where the previously unexposed portion of the film unit is exposed to image bearing light while the pre-exposed portion of the film unit is masked from said light. The pod of developer liquid is passed through a pair of rollers to rupture the pod, spread the developer liquid between the layers of the film unit, and develop the two latent images as a single photograph.

REFERENCES:
patent: 4310232 (1982-01-01), Reed
patent: 4427279 (1984-01-01), Edelstein et al.
patent: 4655570 (1987-04-01), Jaffe
patent: 4707106 (1987-11-01), Johnson et al.
patent: 4816848 (1989-03-01), Doyle, Jr.
patent: 4827291 (1989-05-01), Guez
patent: 4896176 (1990-01-01), Barrett
patent: 4994832 (1991-02-01), Spector

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