Photographic method and film unit

Details Photographic method and film unit Photographic method and film unit

1977-11-28

1979-05-15

Schilling, Richard L.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 3, 96 29D, 96 76R, 96 76C, 96 77, 96200, 96201, 354179, 354304, G03C 554, G03C 700, G03C 148, G03D 902

Patent

active

041546105

ABSTRACT:
Photographic method and film unit wherein a positive image is produced in a film unit by diffusion-transfer process and is viewable from the opposite side of the film unit to the side onto which image-wise light is initially directed, whereby image-reversal means in the optical system of a camera are unnecessary. After exposure, a film unit is moved into a reception means providing lightproof protection to photosensitive portions thereof and also permitting viewing of formation of a positive image therein, the film unit being removable from the reception means after effective completion of photographic processes therein.

REFERENCES:
patent: 3415645 (1968-10-01), Land
patent: 3415646 (1968-10-01), Land
patent: 3594165 (1971-07-01), Rogers
patent: 3635707 (1972-01-01), Cole
patent: 3647435 (1972-03-01), Land
patent: 3778271 (1973-12-01), Land
patent: 3865593 (1975-02-01), Yoshida
patent: 3880658 (1975-04-01), Lestina et al.
patent: 3960558 (1976-06-01), Cardone

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