发明授权
- 专利标题: Charging device, process cartridge and image forming apparatus
- 专利标题(中): 充电装置,处理盒和成像装置
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申请号: US265273申请日: 1994-07-01
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公开(公告)号: US5546167A公开(公告)日: 1996-08-13
- 发明人: Hiroaki Ogata , Hiroki Kisu , Michihito Yamazaki , Erika Asano
- 申请人: Hiroaki Ogata , Hiroki Kisu , Michihito Yamazaki , Erika Asano
- 申请人地址: JPX Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX5-193098 19930707
- 主分类号: G03G21/16
- IPC分类号: G03G21/16 ; G03G15/02 ; G03G21/18
摘要:
A charging member has a charging surface having a concave surface that is positioned on the opposite side of a line H than a side at which an object to be charged is disposed, wherein H is a line that (i) is tangent to a surface of the object to be charged at a point at a downstream end of a contact section or a closest-proximity section between the charging surface and the object to be charged, and (ii) extends downstream from the point of tangency, where the downstream direction is determined with respect to a direction of movement of the object to be charged. By this arrangement, a charging region can be enlarged and periodic fluctuations in a surface potential of the object to be charged can be mitigated.
公开/授权文献
- US6052032A Radio frequency amplifiers 公开/授权日:2000-04-18