发明名称 |
Power transmission device, lens barrel, and image pickup apparatus |
摘要 |
A multiplying mechanism is arranged between a drive source and a mechanism that transmits a rotary output from the drive source to a driven portion. A rotation information detecting unit that outputs rotation information is rotated in synchronism with the multiplying mechanism.
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申请公布号 |
US6927921(B2) |
申请公布日期 |
2005.08.09 |
申请号 |
US20040869440 |
申请日期 |
2004.06.16 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
YANO YUKITERU |
分类号 |
G02B7/08;G02B7/10;(IPC1-7):G02B15/14 |
主分类号 |
G02B7/08 |
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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