Apparatus for xerographically printing a composite record based

Details Apparatus for xerographically printing a composite record based Apparatus for xerographically printing a composite record based

1977-10-17

1979-09-11

Braun, Fred L.

Photocopying

Including fiber optics

354 3, 354 6, 355 7, G03G 1500, G03B 1900

Patent

active

041673247

ABSTRACT:
In an apparatus for xerographically printing a composite record based on first and second complementary sources of information. The first source of information is imaged onto a photoconductive drum to form a first electrostatic image thereof. The second source of information may be derived from a central processing unit in signal form. The signals received from the CPU are used to modulate the output beam of a scanning laser. The modulated laser output beam is directed to a stylus belt positioned in close surface proximity to the photoconductive drum bearing the first electrostatic image. The stylus belt includes an electrcially conductive layer and a photoconductive layer, and is responsive to the incident laser energy to translate it into a corresponding charge pattern. This charge pattern is overlaid on the first electrostatic image to form a composite electrostatic image. The composite image is then developed and transferred onto a record medium in a conventional manner.

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