Microplate system

Details Microplate system Microplate system

1977-05-18

1978-08-08

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Producing plural rows of pictures on photosensitive paper

354 4, 354124, 355 72, G03B 2744

Patent

active

041053257

ABSTRACT:
An apparatus for use in making printing plates in which a sheet of photo-sensitive material is held by a hanger and moved horizontally and vertically. Successive areas are, in this manner, aligned with a projector and exposed to separate images, each image corresponding to one page of a book. Telescoping cylinders produce the desired movement of the sheet in discrete steps so the position of the sheet need not be manually adjusted for each image. In an embodiment that uses aperture cards containing micrographic images, the card holding portion of the projector is rotatable to invert the images as required.

REFERENCES:
patent: 1499267 (1924-06-01), Vindemore
patent: 3449049 (1969-06-01), Harding et al.
patent: 3639056 (1972-02-01), Gerson
patent: 3674367 (1972-07-01), Chapman
patent: 3837742 (1974-09-01), Wally, Jr.
patent: 3972610 (1976-08-01), Gross
patent: 3998546 (1976-12-01), Wally, Jr. et al.

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