Invention Grant
- Patent Title: Projection lens system with high resolution and compact size
- Patent Title (中): 投影镜头系统，分辨率高，体积小巧
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Application No.: US13330710Application Date: 2011-12-20
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Publication No.: US08605369B2Publication Date: 2013-12-10
- Inventor: Fang-Ying Peng , Xiao-Na Liu , Hai-Jo Huang , Sheng-An Wang , An-Tze Lee
- Applicant: Fang-Ying Peng , Xiao-Na Liu , Hai-Jo Huang , Sheng-An Wang , An-Tze Lee
- Applicant Address: CN Shenzhen TW New Taipei
- Assignee: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.,Hon Hai Precision Industry Co., Ltd.
- Current Assignee: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.,Hon Hai Precision Industry Co., Ltd.
- Current Assignee Address: CN Shenzhen TW New Taipei
- Agency: Altis Law Group, Inc.
- Priority: CN201110403292 20111207
- Main IPC: G02B13/18
- IPC: G02B13/18
Abstract:
A projection lens system includes, in order from the magnified side to the reduced side thereof, a first lens group with negative refractive power, and a second lens group with a positive refracting power. The first lens group includes a first lens having a negative refracting power. The projection lens system satisfies the following condition: 4.5
Public/Granted literature
- US20130148213A1 PROJECTION LENS SYSTEM WITH HIGH RESOLUTION AND COMPACT SIZE Public/Granted day:2013-06-13
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