Photocopying – Projection printing and copying cameras – Step and repeat
Patent
1975-05-05
1976-12-21
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Step and repeat
355 18, 355 54, 355 61, G03B 2742
Patent
active
039985466
ABSTRACT:
Apparatus including a stepping camera, partitioning means and an operating station is disclosed in which full size images of copy successively mounted on a subject holder can be optically imposed on preselected areas of a film (or a printing plate) in a required sequence when supported on a movable platen under control of a digitally programmed indexer. The camera components including the subject holder, objective support, image mask, platen and supporting structure therefor are so structured and related as to assure accurate placement of the images on a film in a programmed sequence at high speed and in such fashion that the images are uniformly sharp and of high resolution. The camera includes interchangeable subject holders such that it is equally useful with reflection copy, transparent originals and negative or positive film.
REFERENCES:
patent: 1452077 (1923-04-01), Huebner
patent: 2150974 (1939-03-01), Huebner
patent: 2376416 (1945-05-01), Campbell
patent: 2378933 (1945-06-01), Klemm et al.
patent: 3424530 (1969-01-01), Leonhart
patent: 3572926 (1971-03-01), Coil et al.
patent: 3588248 (1971-06-01), Freund et al.
patent: 3639054 (1972-02-01), Wally, Jr.
patent: 3834811 (1974-09-01), Rathburn
Wall Robert Lee
Wally, Jr. Joseph H.
Wilson Samuel Edward
Filminiature Systems, Inc.
Wintercorn Richard A.
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