Instant photographic method and apparatus

Details Instant photographic method and apparatus Instant photographic method and apparatus

1986-12-31

1988-05-17

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

With developing

355 29, 355107, G03B 2900, G03B 2730

Patent

active

047454423

ABSTRACT:
An instant photographic apparatus uses a photosensitive member in the form of a roll, of a length to receive a plurality of exposures, and an image-receiving member in the form of either a roll or a sheet. The photosensitive member is cut off to the length of a single frame of film after the exposure of its leading end. Before or after cutting off the member or members, the exposed leading end of the photosensitive member and the image-receiving member are superposed. Between the superposed members a processing liquid is distributed and spread in a uniform layer for diffusion transfer processing. During the processing, negative and positive images are produced simultaneously on the photosensitive and image-receiving members, respectively, according to the latent image previously created on the photosensitive member by exposure.

REFERENCES:
patent: 3182578 (1965-05-01), Limberger
patent: 3307464 (1967-03-01), Gold, et al.
patent: 4447146 (1984-05-01), Kogane et al.

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