Photocopying – Projection printing and copying cameras – With developing
Patent
1980-03-24
1982-06-22
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
With developing
355 46, 355 77, 355132, G03B 2732, G03B 2752
Patent
active
043359566
ABSTRACT:
The condition of a photographic copying and associated developing machine for prints of color photographic negatives is evaluated by exposing a calibrating sample onto a first portion and by making a test exposure with preselected exposure data onto a second portion of photographic paper in the copying machine. The two portions of photographic paper are then developed in the developing machine, and the thus obtained developed prints are monitored in the copying machine by comparing their densities in various colors with preselected reference densities. The results of comparison are indicative whether the machines operate satisfactorily, whether the copying machine requires one or more adjustments, or whether the developing machine is in need of at least one adjustment. The adjustment or adjustments can be effected automatically or upon examination of the results of comparison by an attendant.
REFERENCES:
patent: 4222661 (1980-09-01), Wahli et al.
patent: 4239384 (1980-12-01), Trieber
Fergg Berthold
Findeis Gunter
Huber Hans P.
Meckl Heinz
Osegowitsch Viktor
Agfa-Gevaert Aktiengesellschaft
Wintercorn Richard A.
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