Photocopying – Projection printing and copying cameras – Identifying – composing – or selecting
Patent
1981-03-10
1983-09-27
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Identifying, composing, or selecting
250271, 283113, 355 70, 428916, 430 10, G03B 2754
Patent
active
044065396
ABSTRACT:
Apparatus for making image reproductions is disclosed having means for providing on a photosensitive support or film two micrographic images, one from a source of white light and the other from a source of black light. A third image may also be provided on the film to provide selected information such as a picture number, or operator and user identification. In the disclosed embodiment, the black light is continuously on while the white light is flashed only when a picture is being taken.
REFERENCES:
patent: 3682539 (1972-08-01), Yamaji et al.
patent: 3826571 (1974-07-01), Spence-Bate
patent: 4161709 (1979-07-01), Spence-Bate
patent: 4181427 (1980-01-01), Rotter
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