Invention Grant
- Patent Title: Shutter and optical apparatus having the same apparatus
- Patent Title (中): 具有相同装置的快门和光学装置
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Application No.: US12165696Application Date: 2008-07-01
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Publication No.: US07658558B2Publication Date: 2010-02-09
- Inventor: Hisashi Kawamoto , Kazuya Shioda , Phichet Numnual
- Applicant: Hisashi Kawamoto , Kazuya Shioda , Phichet Numnual
- Applicant Address: JP Chiba
- Assignee: Seiko Precision, Inc.
- Current Assignee: Seiko Precision, Inc.
- Current Assignee Address: JP Chiba
- Agency: Michaud-Kinney Group LLP
- Main IPC: G03B9/00
- IPC: G03B9/00 ; G03B9/04 ; G03B9/10
Abstract:
A shutter for an optical apparatus has multiple sectors and an operation member. Each of the multiple sectors has a cam opening for engagement and is pivotally provided to open and close a shutter opening, the operation member moves each of said multiple sectors in engagement with the cam opening, and the cam opening of at least one sector that is one of the multiple sectors is formed to change a moving direction of said at least one sector, when the operation member moves said at least one sector to a position to close the shutter opening.
Public/Granted literature
- US20090003823A1 SHUTTER AND OPTICAL APPARATUS HAVING THE SAME APPARATUS Public/Granted day:2009-01-01
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