发明名称 |
Camera system |
摘要 |
An optical accessory comprises a bayonet type mount which can be freely mounted by rotation to a camera body having a camera mount of a bayonet type, a switch related to a power source and an operating member for actuating the switch. The optical accessory mount has a mounting claw arranged for pushing the operating member, the length of said mounting claw being so set that the mounting claw pushes the operating member for actuating the switch when the mounting by rotation of the optical accessory to the camera body is almost completed.
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申请公布号 |
US5613171(A) |
申请公布日期 |
1997.03.18 |
申请号 |
US19950562783 |
申请日期 |
1995.11.27 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
AIHARA, YOSHIHIKO;YAMAMICHI, MASAYOSHI;FUJINO, MASAHISA |
分类号 |
G03B17/14;(IPC1-7):G03B17/00 |
主分类号 |
G03B17/14 |
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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