Slit exposure device

Details Slit exposure device Slit exposure device

1981-07-13

1983-09-13

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3BE, 355 8, G03G 1504, G03G 1528

Patent

active

044038534

ABSTRACT:
A slit exposure device movable back and forth in a path parallel to a stationary original for projecting an image of the original in linear portions onto a moving photosensitive element in belt form has a lamp for illuminating the original, an optical system, at least two interconnected belt deflecting rollers and a drive for moving these rollers with the optical system along and parallel to the object plane. At least one of the deflecting rollers deflects the photosensitive element counterclockwise and at least one of them deflects it clockwise from its original direction of movement, and the optical system projects the image in linear portions onto the photosensitive element at a location within the path formed by and between the deflected portions of the photosensitive element.

REFERENCES:
patent: 3792924 (1974-02-01), Matsuda et al.
patent: 3947115 (1976-03-01), Hamaguchi
patent: 3955888 (1976-05-01), Kakiuchi et al.
patent: 3958876 (1976-05-01), Terashima
patent: 4129373 (1978-12-01), Ogura et al.
patent: 4183658 (1980-01-01), Winthaegen
patent: 4334762 (1982-06-01), Landa

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