Photographic camera and its use in conjunction with photographic

Details Photographic camera and its use in conjunction with photographic Photographic camera and its use in conjunction with photographic

1984-03-06

1986-04-22

Wintercorn, Richard A.

Photocopying

Contact printing

Fluid pressure retention of carrier and receiver in exposure...

G03B 2720

Patent

active

045838500

ABSTRACT:
A process camera including a lens or lens system movably mounted for focussing light with respect to a glass sheet serving as an image plane and a vacuum-operated frame back provided with a flexible blanket having a surface relief configuration on its contacting surface for holding by contact therewith a photographic material against the said glass sheet, characterized in that the edges of the glass sheet are provided with a material absorbing light to which the glass sheet is transparent.

REFERENCES:
patent: 3634009 (1972-01-01), Van Dusen
patent: 4089603 (1978-05-01), Jacobs
patent: 4258994 (1981-03-01), Task

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