Improved electrographic process for producing a plurality of cop

Details Improved electrographic process for producing a plurality of cop Improved electrographic process for producing a plurality of cop

1976-11-23

1978-07-11

Moses, Richard L.

Photocopying

Including fiber optics

96 1R, G03G 1500

Patent

active

040998630

ABSTRACT:
An electrographic process for producing, an electrostatic charge image corresponding to an image to be recorded on a record sheet having a dielectric material layer, by modulating a flow of corona ions by an electrostatic latent image formed on a photosensitive screen is disclosed. The process comprises changing a bias electric voltage applied across two electric conductive layers of the photosensitive screen in a direction such that attenuation of the electrostatic latent image formed on the photosensitive layer is compensated in response to the number of copies to be obtained.

REFERENCES:
patent: 4022527 (1977-05-01), Jackson

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