Electro-photographic element

Details Electro-photographic element Electro-photographic element

1976-01-14

1977-11-29

Hayes, Monroe H.

Photocopying

Including fiber optics

355 3P, 355 4, 355 10, 96 1R, G03G 1528

Patent

active

040603210

ABSTRACT:
An electro-photographic apparatus in which the photo-conductive material is on an optically transparent base, the voltage at each position on the photo-conductive material or on small areas of conductive material associated therewith being dependent on the amount of light impinging on the photo-conductive layer through the transparent base and on a potential set up between an electrically conductive layer located between the base and the photo-conductive layer and on an element located on the other side of the photo-conductive layer, pigment being accepted in an amount depending on the variable voltage.

REFERENCES:
patent: 3005707 (1961-10-01), Kallmann
patent: 3013890 (1961-12-01), Bixby
patent: 3084043 (1963-04-01), Gundlach
patent: 3100426 (1963-08-01), Kaprelian
patent: 3281857 (1966-10-01), Kaiser
patent: 3533693 (1970-10-01), Balint

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