发明申请
US20120224842A1 FOCAL-PLANE SHUTTER AND OPTICAL INSTRUMENT
有权
FOCAL-PLANE SHUTTER和OPTICAL INSTRUMENT
- 专利标题: FOCAL-PLANE SHUTTER AND OPTICAL INSTRUMENT
- 专利标题(中): FOCAL-PLANE SHUTTER和OPTICAL INSTRUMENT
-
申请号: US13472840申请日: 2012-05-16
-
公开(公告)号: US20120224842A1公开(公告)日: 2012-09-06
- 发明人: Hiroshi TAKAHASHI , Hideki Tanaka
- 申请人: Hiroshi TAKAHASHI , Hideki Tanaka
- 申请人地址: JP Narashino-shi
- 专利权人: SEIKO PRECISION INC.
- 当前专利权人: SEIKO PRECISION INC.
- 当前专利权人地址: JP Narashino-shi
- 优先权: JP2010-167445 20100726
- 主分类号: G03B9/40
- IPC分类号: G03B9/40
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.
公开/授权文献
- US08573867B2 Focal-plane shutter and optical instrument 公开/授权日:2013-11-05
信息查询