Imaging enhancement method

Details Imaging enhancement method Imaging enhancement method

1986-08-12

1988-01-12

Mathews, A. A.

Photocopying

Contact printing

Light boxes

354 86, 355 27, 355 77, 430206, 430357, 378210, 346110R, G03B 1750, G03B 2900

Patent

active

047187573

ABSTRACT:
Image-enhancement is achieved by the use of instant color film. Such film has a predetermined development time, and after exposure of one print, it is developed and then development is stopped, usually before the normal development time. Another exposure is made on a second film of the same type, such as another print from the same film pack, and development is stopped after a different time. At least one of the prints is developed for a time less than the normal development time of the film. The resulting prints are of different colors, and are viewed together.

REFERENCES:
patent: 3608454 (1971-09-01), Shenk
patent: 3696720 (1972-10-01), Vinson
patent: 4191962 (1980-03-01), Sramek
patent: 4341454 (1982-07-01), Baker

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