Laser addressed ionography

Details Laser addressed ionography Laser addressed ionography

1988-05-09

1989-02-14

Evans, Arthur G.

Recorders

Electric recording

Electrochemical

346160, G01D 1510

Patent

active

048049808

ABSTRACT:
A high speed digital ionographic printer having a rotatable charge receptor, an ion source with ion discharge slot opposite the charge receptor, a cylindrical screen about the ion source composed of a conductive substrate with tiny holes and a photoconductive cover layer, parts of the screen riding against the charge receptor so that the screen rotates at the same velocity as the charge receptor, a screen charge corotron, and a laser writing beam which is scanned line by line across the moving screen to write latent eletrostatic images thereon which thereafter modulate the flow of ions through the slot in accordance with the latent electrostatic image written on the screen.

REFERENCES:
patent: 4046466 (1977-09-01), Ando et al.
patent: 4105444 (1978-08-01), Shinohara et al.
patent: 4365549 (1982-12-01), Fotland et al.
patent: 4430661 (1984-02-01), Tarumi et al.
patent: 4494129 (1985-01-01), Gretchev
"Photo-Controlled Ion Flow Electrophotography", G. L. Pressman; Second International Conference on Electrophotography, Wash. D.C., Oct. 1973.

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