Exposure system for an electrophotographic printing machine

Details Exposure system for an electrophotographic printing machine Exposure system for an electrophotographic printing machine

1976-01-22

1978-06-20

Braun, Fred L.

Photocopying

Including fiber optics

350164, 350188, 354270, 355 71, G03G 1501, G03B 2776

Patent

active

040958892

ABSTRACT:
An optical system in which a modulated light image of an original document is projected onto a receiving member. The optical system includes a lens and an opaque member having an array of apertures therein associated therewith to improve the light transmission properties thereof.

REFERENCES:
patent: 1368608 (1921-02-01), Curran
patent: 2478443 (1949-08-01), Yule et al.
patent: 3961848 (1976-06-01), Turner
patent: 3967894 (1976-07-01), Tsilibes

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