Brush type charger

Details Brush type charger Brush type charger

1999-04-13

2000-05-23

Brase, Sandra

Electrophotography

Control of electrophotography process

Control of charging

399175, G03G 1502

Patent

active

060674261

ABSTRACT:
A brush type charger capable of reducing noise which occurs on superposing AC voltage on DC voltage and of restraining image defects such as moire images and density unevenness from occurring will be supplied.
In a brush type charger, having a shaft 1A for brush made of a conductive member, and a brush-shaped charging member 1B which is radially provided toward the outside around the shaft 1A for brush, and which is made of a conductive member entirely formed into a roller shape, configured such that the outer circumference of the brush-shaped charging member 1B is brought into contact with a photoreceptor 3 and predetermined DC voltage having AC voltage superimposed thereon is applied to the brush-shaped charging member 1B to thereby charge the photoreceptor 3, the brush-shaped charging member 1B is provided in a helical fashion around the shaft 1A for brush.

REFERENCES:
patent: 5508879 (1996-04-01), Kitamura et al.
patent: 5568231 (1996-10-01), Asano et al.
patent: 5576807 (1996-11-01), Osawa et al.
patent: 5587775 (1996-12-01), Taniguchi et al.
patent: 5606401 (1997-02-01), Yano
patent: 5689777 (1997-11-01), Yamamoto et al.
patent: 5751405 (1998-05-01), Aita et al.
patent: 5754926 (1998-05-01), Sakuraba et al.

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