Apparatus for creating and checking correlation between negative

Details Apparatus for creating and checking correlation between negative Apparatus for creating and checking correlation between negative

1986-11-05

1988-10-18

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

Methods

354105, 355 40, G03B 1724

Patent

active

047791225

ABSTRACT:
The apparatus for creating and checking correlation between negatives and prints in photographic laboratories comprises:

REFERENCES:
patent: 3750553 (1973-08-01), Pfeifer et al.
patent: 3836246 (1974-09-01), Bowker
patent: 3987467 (1976-10-01), Cowles
patent: 4384786 (1983-05-01), Kuroda
patent: 4554560 (1985-11-01), Kanaoka et al.
patent: 4574692 (1986-03-01), Wahli

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