发明名称 |
Apparatus for forming images from positive and negative originals |
摘要 |
An image forming apparatus which is capable of forming a positive image either from a negative original or a positive original. The apparatus is provided with a device for preventing the non-image area of the photosensitive member from being developed by a developer, so as to avoid a wastefull consumption of the developer. The operation of the preventing means is controlled in dependence on whether the original is positive or negative, so that the prevention of the non-image area development is effectively performed independently of whether the original is negative or positive.
|
申请公布号 |
US4627703(A) |
申请公布日期 |
1986.12.09 |
申请号 |
US19860829550 |
申请日期 |
1986.02.13 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
SUZUKI, HIROAKI;MURATA, SHINJI;SHIRAI, MASANARI;ONUKI, KAZUHIKO |
分类号 |
G03G15/04;G03G15/22;(IPC1-7):G03G15/00 |
主分类号 |
G03G15/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|