发明授权
- 专利标题: Light intercepting frame of lens
- 专利标题(中): 镜头遮光框架
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申请号: US478153申请日: 1990-02-06
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公开(公告)号: US5343331A公开(公告)日: 1994-08-30
- 发明人: Shinsuke Kohmoto , Hiroshi Nomura
- 申请人: Shinsuke Kohmoto , Hiroshi Nomura
- 申请人地址: JPX Tokyo
- 专利权人: Asahi Kogaku Kogyo Kabushiki Kaisha
- 当前专利权人: Asahi Kogaku Kogyo Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-14483[U] 19890209
- 主分类号: G02B7/02
- IPC分类号: G02B7/02 ; G02B5/00 ; G02B27/00
摘要:
A light intercepting frame which has an opening which permits only usable light (luminous flux) to pass therethrough and which is provided on a final lens surface of a final lens of a zoom lens.
公开/授权文献
- USD280107S Electric guitar tremolo unit 公开/授权日:1985-08-13
信息查询
IPC分类:
G | 物理 |
G02 | 光学 |
G02B | 光学元件、系统或仪器 |
G02B7/00 | 光学元件的安装、调整装置或不漏光连接 |
G02B7/02 | .用于透镜 |