发明申请
- 专利标题: PROJECTING LENS SYSTEM
- 专利标题(中): 投影镜头系统
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申请号: US11959218申请日: 2007-12-18
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公开(公告)号: US20090073571A1公开(公告)日: 2009-03-19
- 发明人: CHUN-LING LIN , CHUN-HSIANG HUANG
- 申请人: CHUN-LING LIN , CHUN-HSIANG HUANG
- 申请人地址: TW Tu-Cheng
- 专利权人: HON HAI PRECISION INDUSTRY CO., LTD.
- 当前专利权人: HON HAI PRECISION INDUSTRY CO., LTD.
- 当前专利权人地址: TW Tu-Cheng
- 优先权: CN200710201679.0 20070913
- 主分类号: G02B9/34
- IPC分类号: G02B9/34
摘要:
A projecting lens system includes a first lens positive in power, a second lens negative in power, a third lens positive in power, and a fourth lens positive in power. The projecting lens system meets a criteria of 1.4
公开/授权文献
- US07626764B2 Projecting lens system 公开/授权日:2009-12-01
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