发明授权
- 专利标题： Power cloud developing apparatus with a first and second electric field curtain generating means
- 专利标题（中）： 具有第一和第二电场幕产生装置的电力云显影装置
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申请号： US535533申请日： 1990-06-11
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公开(公告)号： US4994859A公开(公告)日： 1991-02-19
- 发明人: Hiroshi Mizuno , Hideo Hotomi , Yoshihisa Terasaka , Masahiro Anno
- 申请人： Hiroshi Mizuno , Hideo Hotomi , Yoshihisa Terasaka , Masahiro Anno
- 申请人地址： JPX Osaka
- 专利权人： Minolta Camera Kabushiki Kaisha
- 当前专利权人： Minolta Camera Kabushiki Kaisha
- 当前专利权人地址： JPX Osaka
- 优先权： JPX1-151532 19890614
- 主分类号： G03G15/08
- IPC分类号： G03G15/08
摘要：
A developing apparatus for use in an electrophotographic apparatus and like, which is adapted to supply a developing material without contact between a developing material support member and an image holding member by utilizing the action of an electric field curtain, wherein the developing material can be transported to the image holding member with requiring no necessities for a large voltage to be impressed thereto and for floating, so that it is prevented that the developing material is scattered during the transportation thereof or a formed image is subjected to fogging.
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