发明名称 |
Interchangeable lens barrel |
摘要 |
An interchangeable lens barrel comprising a lens barrel having a mount which can be attached to a mount of a camera body, focussing lens means rotatably supported on the lens barrel and moving in directions of the optical axis when it rotates, a driving circuit having a driving motor, a driving mechanism connected to the driving motor for rotating the focussing lens means, actuation switch means in the driving circuit, and means on the mount of the lens barrel for receiving a driving signal of the driving motor from the camera body.
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申请公布号 |
US4416526(A) |
申请公布日期 |
1983.11.22 |
申请号 |
US19810267568 |
申请日期 |
1981.05.27 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
TOMORI, YASUMASA;SHIMODA, MITUHIKO |
分类号 |
G02B7/04;G02B7/08;G02B7/14;G02B7/28;G03B3/10;G03B13/34;G03B17/14;(IPC1-7):G03B3/10 |
主分类号 |
G02B7/04 |
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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