Process camera apparatus

Details Process camera apparatus Process camera apparatus

1985-06-17

1986-10-21

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Illumination systems or details

355 28, 355 72, G03B 2772

Patent

active

046182551

ABSTRACT:
A process camera apparatus for forming a halftone image and a line image on a photosensitive material such as a positive or negative film. The apparatus comprises a base; a transparent platen provided on the base; a light-shielding cover covering the upper side of the transparent platen such as to form a light-shielded region on the transparent platen; a screen device including a contact screen and a screen frame for supporting the contact screen, the screen device being withdrawably disposed on the portion of the transparent platen within the light-shielded region; a pair of rollers disposed adjacent one end of the base and adapted for conveying the photosensitive material into the light-shielded region; and a light-shielded condition maintaining device adapted to maintain the light-shielded condition in the light-shielded region when the screen device is being taken out from the light-shielded region. The apparatus may be provided with a guide plate for guiding the photosensitive material while the same is being fed onto the transparent platen by the pair of rollers.

REFERENCES:
patent: 3335636 (1967-08-01), Atkinson

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