发明名称 |
Electrophotographic copying apparatus |
摘要 |
An electrographic apparatus for selectively producing, on a latent image holding member including a first electrostatic latent image produced thereon by a first charge, a second electrostatic latent image composed of a second charge which is negative with respect to the first electrostatic latent image and which is opposite in polarity to the first electrostatic latent image. The apparatus includes a device for selectively applying to the latent image holding member a second charge which is opposite in polarity to the first charge.
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申请公布号 |
US4248518(A) |
申请公布日期 |
1981.02.03 |
申请号 |
US19780899416 |
申请日期 |
1978.04.24 |
申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
NISHIKAWA, MASAJI |
分类号 |
G03G15/18;G03G15/045;G03G21/00;(IPC1-7):G03G15/00 |
主分类号 |
G03G15/18 |
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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