发明名称 |
Image forming apparatus having a contact type charging device |
摘要 |
An image forming apparatus having a rotatable photosensitive member a charging device for charging a surface of the photosensitive member prior to forming an electrophotographic latent image and a power source for applying a charge voltage which includes at least AC component to the charging device. The charging device includes a rotatable brush member which is formed by implanting piles formed by brush fibers on a base member and provided in contact with the photosensitive member. The photosensitive member and charging device and power source are provided to satisfy the following condition: VD=K|fAC-fp|(0<K</=3), wherein VD is a moving speed of the surface of said photosensitive member, K is a constant, fAC is frequency of the AC component and fp is a pile frequency which is represented by VB/d (VB is the moving speed of the base material and d is a pile pitch).
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申请公布号 |
US5576807(A) |
申请公布日期 |
1996.11.19 |
申请号 |
US19950554268 |
申请日期 |
1995.11.06 |
申请人 |
MINOLTA CO., LTD. |
发明人 |
OSAWA, IZUMI;TANIGUCHI, KAZUKO;YAMAMOTO, MASASHI |
分类号 |
G03G15/02;(IPC1-7):G03G15/02 |
主分类号 |
G03G15/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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