发明名称 |
Focal-plane shutter and optical instrument |
摘要 |
A focal plane shutter includes: a board including an opening; an arm including: a rear end portion rotatably supported by the board; and a front end portion swingable in response to rotation of the rear and portion; blades coupled to the arm for opening and closing the opening; and a sensor arranged at a position opposite to the arm across the opening, and detecting a state of the blades.
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申请公布号 |
US8573867(B2) |
申请公布日期 |
2013.11.05 |
申请号 |
US201213472840 |
申请日期 |
2012.05.16 |
申请人 |
TAKAHASHI HIROSHI;TANAKA HIDEKI;SEIKO PRECISION INC. |
发明人 |
TAKAHASHI HIROSHI;TANAKA HIDEKI |
分类号 |
G03B9/40;G03B9/10 |
主分类号 |
G03B9/40 |
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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