Reproduction of transparent masters

Details Reproduction of transparent masters Reproduction of transparent masters

1997-08-25

1999-09-28

Metjahic, Safet

Photocopying

Projection printing and copying cameras

Image transferred from individual documents to film strip

355 35, 355 71, 430 22, 430 30, G03B 2772, G03B 2732, G03C 500, G03F 900

Patent

active

059597224

ABSTRACT:
A copying apparatus is adjusted in order to produce high-quality copies of transparent negatives or diapositives having excessive variations in brightness. The adjustment is performed using a reference master. The apparatus is properly adjusted when a copy of the reference master meets specific criteria.

REFERENCES:
patent: 5770337 (1998-06-01), Chiang
DeForest, William S. Photoresist: materials and process, Book, pp. 232-237, 1975.

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