Exposure and printing easel, especially for dye transfer printin

Details Exposure and printing easel, especially for dye transfer printin Exposure and printing easel, especially for dye transfer printin

1982-06-03

1984-06-05

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Detailed holder for photosensitive paper

355 73, G03B 2758

Patent

active

044525290

ABSTRACT:
The disclosure is directed to a photographic printing easel adapted especially for use in connection with the preparation of dye transfer color separations, to the end that the use of the dye transfer process is rendered significantly more convenient and expeditions. The easel includes a test board on one side and an exposure board on the other, with provisions for assuring a common plane of reference on opposite sides. On the test board side, the easel includes a plurality of filter openings through which a series of color test exposures is made in sequence, enabling the final color separation exposures to be properly carried out. Inasmuch as the test exposures for the dye transfer process must be carried out in total darkness, without benefit of any kind of darkroom light, the easel assembly is constructed to accommodate convenient and accurate performance of a series of color separation test exposures in sequence under conditions of total darkness.

REFERENCES:
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patent: 4095892 (1978-06-01), Thornton
patent: 4108548 (1978-08-01), Hawkins
patent: 4257702 (1981-03-01), Miller

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