Supporting frame for a variable ratio electrostatic copying appa

Details Supporting frame for a variable ratio electrostatic copying appa Supporting frame for a variable ratio electrostatic copying appa

1985-05-09

1986-02-04

Prescott, A. C.

Photocopying

Including fiber optics

355 56, 355 3R, 355 11, G03G 1500

Patent

active

045681708

ABSTRACT:
An electrostatic copying process and apparatus capable of forming copies in at least two different ratios. The formation of a copied image involves exposure scanning of the image of an original document and projecting it on a photosensitive member through an optical device. The change of the ratio of copying is achieved by changing the ratio of projection of the image of the document onto the photosensitive member by the optical device, and also changing the speed of scanning.

REFERENCES:
patent: 3865482 (1975-02-01), Bendall et al.
patent: 3901586 (1975-08-01), Suzuki et al.
patent: 3901593 (1975-08-01), Kogiso et al.
patent: 4441805 (1984-04-01), Smith
patent: 4472048 (1974-09-01), Satomi
patent: 4519702 (1985-05-01), Shigemura et al.
patent: 4521100 (1985-06-01), Yonemori et al.

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