| 发明名称 |
DEVELOPING UNIT FOR AN ELECTROPHOTOGRAPHIC APPARATUS |
| 摘要 |
A developing unit for an electro-photographic apparatus has a toner concentration sensor (31) provided between a paddle roller (32) and a developing roller (33) near the bottom (29) of a casing (30). The sensor (31) generates a toner concentration signal with high sensitivity but without substantial fluctuation. |
| 申请公布号 |
EP0249152(B1) |
申请公布日期 |
1992.01.15 |
| 申请号 |
EP19870108086 |
申请日期 |
1987.06.04 |
| 申请人 |
FUJITSU LIMITED |
发明人 |
HINO, TOSHIO FUJITSU LIMITED PATENT DEPARTMENT |
| 分类号 |
G03G15/08;G03G15/09 |
主分类号 |
G03G15/08 |
| 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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