发明名称 |
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS |
摘要 |
A developing device for developing an electrostatic latent image on an image bearing member including a developer bearing member opposed to the image bearing member to bear thereon a developer including a toner and a magnetic carrier; a developer containing part to contain the developer to supply the developer to the developer bearing member; an agitating or feeding member to agitate or feed the developer in the developer containing part; a magnetic permeability sensor to measure magnetic permeability of the developer to determine toner concentration of the developer; a developer feeder; a feeding member to feed the developer to the developer containing part through the developer feeder; and a driver to drive the feeding member independently of the agitating or feeding member. The magnetic permeability sensor is arranged on the developer feeder.
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申请公布号 |
US2013004207(A1) |
申请公布日期 |
2013.01.03 |
申请号 |
US201213453286 |
申请日期 |
2012.04.23 |
申请人 |
HIRAYAMA YUSHI;ISHIBASHI HITOSHI;HIRAI SHUJI;KANEKO SATOSHI;MUROI HIDEO |
发明人 |
HIRAYAMA YUSHI;ISHIBASHI HITOSHI;HIRAI SHUJI;KANEKO SATOSHI;MUROI HIDEO |
分类号 |
G03G15/08 |
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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