Electrographic recording apparatus

Details Electrographic recording apparatus Electrographic recording apparatus

1977-11-07

1979-09-11

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3CH, 361229, 361235, G03G 1500

Patent

active

041673255

ABSTRACT:
An improved electrographic recording system. The system includes a first charging corona for providing a distribution of charge on a surface of a recording medium representing a desired image to be recorded on the medium. The system also includes an automatically controlled second charging corona. A sensor continuously monitors the potential of a conductive layer of the medium and automatically controls the magnitude of the charge deposited by the second charging corona so as to maintain a constant potential at the conductive layer of the medium.

REFERENCES:
patent: 3678350 (1972-07-01), Matsumoto et al.
patent: 3779749 (1973-12-01), Sato
patent: 3784299 (1974-01-01), Manghirmalani
patent: 3787706 (1974-01-01), DeGeest
patent: 3967891 (1976-07-01), Rippstein

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