Charging device for charging the surface of a photosensitive mem

Details Charging device for charging the surface of a photosensitive mem Charging device for charging the surface of a photosensitive mem

1993-05-13

1996-10-22

Dang, Thu Anh

Photocopying

Contact printing

Light boxes

361225, G03G 1502

Patent

active

055682316

ABSTRACT:
A charging device including a charging member which is in contact with or minutely spaced from a surface of a photosensitive member, device for applying a constant voltage to the charging member, and a controller for controlling the voltage applied to the charging member when a current flowing from the charging member to the surface of the photosensitive member exceeds a predetermined value.

REFERENCES:
patent: 3935517 (1976-01-01), O'Brien
patent: 4383752 (1983-05-01), Kisler
patent: 4777554 (1988-10-01), Gokita
patent: 4962307 (1990-10-01), Nakaya
patent: 5012282 (1991-04-01), Wanou et al.
patent: 5105330 (1992-04-01), Hiwada
patent: 5144368 (1992-09-01), Ohzeki et al.
patent: 5179397 (1993-01-01), Ohzeki et al.
patent: 5305177 (1994-04-01), Aoki et al.

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