Invention Grant
- Patent Title: Focal-plane shutter and optical instrument
- Patent Title (中): 焦平面快门和光学仪器
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Application No.: US13472840Application Date: 2012-05-16
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Publication No.: US08573867B2Publication Date: 2013-11-05
- Inventor: Hiroshi Takahashi , Hideki Tanaka
- Applicant: Hiroshi Takahashi , Hideki Tanaka
- Applicant Address: JP Narashino-shi
- Assignee: Seiko Precision Inc.
- Current Assignee: Seiko Precision Inc.
- Current Assignee Address: JP Narashino-shi
- Agency: Kratz, Quintos & Hanson, LLP
- Priority: JP2010-167445 20100726
- Main IPC: G03B9/40
- IPC: G03B9/40 ; G03B9/10
Abstract:
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.
Public/Granted literature
- US20120224842A1 FOCAL-PLANE SHUTTER AND OPTICAL INSTRUMENT Public/Granted day:2012-09-06
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