Charging device

Details Charging device Charging device

1982-08-06

1984-06-26

Moses, R. L.

Photocopying

Including fiber optics

250326, 361225, G03G 1502

Patent

active

044563655

ABSTRACT:
An improved corona charging device for uniformly charging an image bearing or forming member is provided. The charging device includes a corona wire, a conductive shield partly surrounding the wire and a high voltage source connected to the wire. The voltage source includes a first voltage source for applying an A.C. voltage to the wire and a second voltage source for applying a D.C. voltage to the wire as a bias. The present charging device charges the member uniformly to a desired level at all times irrespective of the potential condition of the member prior thereto.

REFERENCES:
patent: 3961193 (1976-06-01), Hudson
patent: 4042874 (1977-08-01), Quinn et al.
patent: 4141648 (1979-02-01), Gaitten et al.
patent: 4234249 (1980-11-01), Weikel et al.
patent: 4268161 (1981-05-01), Nakahata
patent: 4335420 (1982-06-01), Mitsuo
patent: 4353970 (1982-10-01), Dryczynski et al.

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