Pulsed source high-speed dry process photographic printer proces

Details Pulsed source high-speed dry process photographic printer proces Pulsed source high-speed dry process photographic printer proces

1972-06-13

1976-01-27

Lawrence, James W.

Radiant energy

With infrared or thermal pattern recording

250504, G03g 1700

Patent

active

039354563

ABSTRACT:
A processor for developing films and more particularly films of the diazo type in which the film and material to be copied are wrapped around a transparent drum and the film is developed by a light of the proper wavelength whose energization is periodically controlled.

REFERENCES:
patent: 3157102 (1964-11-01), Pfaff
patent: 3230857 (1966-01-01), Ritzerfeld
patent: 3441347 (1969-04-01), Lassig

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