发明授权
- 专利标题: Focal-plane shutter device
- 专利标题(中): 焦平面快门装置
-
申请号: US258497申请日: 1994-06-10
-
公开(公告)号: US5467160A公开(公告)日: 1995-11-14
- 发明人: Takashi Matsubara , Masayuki Kanamuro , Masanori Hasuda
- 申请人: Takashi Matsubara , Masayuki Kanamuro , Masanori Hasuda
- 申请人地址: JPX Tokyo
- 专利权人: Nikon Corporation
- 当前专利权人: Nikon Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX3-300881 19911115; JPX4-212816 19920810
- 主分类号: G03B9/18
- IPC分类号: G03B9/18 ; G03B9/40
摘要:
The present invention aims at improving the durability of a very high-speed shutter exceeding 1/8000 sec and further attaining a very high shutter speed even with sectors composed of a material exhibiting a low rigidity. For this purpose, a focal plane shutter device comprises: first and second blinds each constructed of a plurality of sectors; and a light shielding plate having an opening and an intermediate plate disposed between the first blind and the second blind. The first and second blinds are run in the facial direction of the light shielding plate so as to cover and expose the opening. The light shielding plate and the intermediate plate are bonded, or a shock absorbing member is interposed between these two plates.
公开/授权文献
信息查询