发明名称 |
IMAGE FORMING APPARATUS, MOTOR UNIT AND IMAGE BEARING MEMBER UNIT |
摘要 |
An image forming apparatus includes at least one image bearing member unit including an image bearing member and a motor including an output shaft coupled with the image bearing member to rotary-drive the image bearing member. The output shaft of the motor includes rotation speed detecting means to detect a rotation speed of the output shaft, the rotation speed detecting means being disposed in a vicinity of a node of a torsion resonance mode of the output shaft of the motor.
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申请公布号 |
US2012082480(A1) |
申请公布日期 |
2012.04.05 |
申请号 |
US201113218702 |
申请日期 |
2011.08.26 |
申请人 |
KIMURA ATSUSHI;CANON KABUSHIKI KAISHA |
发明人 |
KIMURA ATSUSHI |
分类号 |
G03G15/00;H02P31/00 |
主分类号 |
G03G15/00 |
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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