Electrophotographic optical scanning system

Details Electrophotographic optical scanning system Electrophotographic optical scanning system

1976-04-12

1978-10-03

Hix, L. T.

Photocopying

Including fiber optics

355 11, G03G 1528

Patent

active

041181174

ABSTRACT:
A scanning head moves relative to a document platen and a photoconductive member for scanning a document supported on the platen and imaging the photoconductive member. The scanning head has a slit which constitutes an exposure aperture and has a width which is predetermined for optimum image formation. The speed of movement of the scanning head is varied to adjust the image intensity to the desired value depending on the characteristics of the document. The scanning head is connected to a belt which is trained around pulleys in such a manner that driving the belt in one direction produces reciprocation of the scanning head, the scanning head being driven in one direction for one scanning operation and in the opposite direction for a subsequent scanning operation.

REFERENCES:
patent: 3380339 (1968-04-01), Moss
patent: 3614222 (1971-10-01), Post
patent: 3704944 (1972-12-01), Komori et al.
patent: 3836245 (1974-09-01), Hastwell et al.
patent: 3918805 (1975-11-01), Limberger et al.

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