Charging device for electronic copier

Details Charging device for electronic copier Charging device for electronic copier

1980-12-19

1983-06-14

Prescott, A. C.

Photocopying

Including fiber optics

355 14C, 355 3R, 355 14R, 430 31, 430 35, 118625, 118651, G03G 1500, G03G 1516

Patent

active

043879802

ABSTRACT:
In an electronic copier provided with a light-sensitive medium, a charging station, an exposure station, a developing station, a transfer station and a fixing unit, the charging station includes a plurality of contact charging elements in contact with the light-sensitive medium and a voltage supply means for applying voltages to the contact charging elements. A voltage continuously rising in a predetermined period of time is supplied from the voltage supply means to the contact charging elements with the rotation of light-sensitive medium, and the light-sensitive medium is thus uniformly charged.

REFERENCES:
patent: 3146385 (1964-08-01), Carlson
patent: 3551313 (1970-12-01), Walsh
patent: 3684364 (1972-08-01), Schmidlin
patent: 3784294 (1974-01-01), Wells
patent: 4077709 (1978-03-01), Borostyan et al.
patent: 4166690 (1979-09-01), Bacon et al.
patent: 4190348 (1980-02-01), Friday
patent: 4259003 (1981-03-01), Mangal et al.
patent: 4265998 (1981-05-01), Barkley

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