Method and apparatus for transferring a latent electrical image

Details Method and apparatus for transferring a latent electrical image Method and apparatus for transferring a latent electrical image

1985-03-29

1987-05-12

Prescott, A. C.

Photocopying

Including fiber optics

355 3R, 355 3CH, G01G 1514, G01G 1500

Patent

active

046645004

ABSTRACT:
A method and apparatus for transferring a latent electrical image from a photosensitive image receptor to a dielectric or insulating image receptor where the photosensitive image receptor comprises a conductive base, a photoconductive layer arranged on it and on top of it a protective layer of transparent, insulating and non-photoconductive material. The protective layer surface is charged in the dark to a specific first potential; the photoconductive layer is image-exposed thereafter; the insulating image receptor is placed on the protective layer and a second, lower potential applied on the free surface of the insulating image receptor; and the insulating image receptor is separated from the protective layer of the photosensitive image receptor.

REFERENCES:
patent: 2959153 (1960-11-01), Hider
patent: 2965756 (1960-12-01), Vyverberg
patent: 3438706 (1969-04-01), Tanaka et al.
patent: 3640707 (1972-02-01), Caldwell
patent: 3770429 (1973-11-01), Kinoshita et al.
patent: 3819262 (1974-06-01), Estandarte
Crooks, "Porous Photoconductor Coating", IBM Technical Disclosure Bulletin, vol. 12, No. 8, Jan. 1970.
"Electrophotographic Characteristics of Overcoated Photoreceptors" by I. Chen, in Photographic Science and Engineers, vol. 22, No. 3, pp. 168-176.

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