Photographic printing apparatus

Details Photographic printing apparatus Photographic printing apparatus

1989-06-09

1990-08-21

Wintercorn, Richard A.

Photocopying

Contact printing

Exposing on sensitized printing press plate or cylinder

355 99, G03B 2704

Patent

active

049510894

ABSTRACT:
Apparatus for selectively exposing photosensitized plates to light through films operable selectively in a first mode for exposing plates of single newspaper page size to light through films of such size, and in a second mode for exposing plates of double newspaper page size to light through films of such size, utilizing a first window frame with two single-page size windows therein in the first mode and a second window frame with a double-page size window therein in the second mode.

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patent: 4565443 (1986-01-01), Yazaki
patent: 4575233 (1986-03-01), Copeland et al.
patent: 4575235 (1986-03-01), Powers
patent: 4583838 (1986-04-01), Michida et al.
patent: 4614425 (1986-09-01), Copeland et al.
patent: 4664510 (1987-05-01), Weag

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