Minisize camera lens system |
Title: |
Minisize camera lens system |
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Application Number: |
200410052033 |
Application Date: |
2004/10/28 |
Announcement Date: |
2006/05/03 |
Pub. Date: |
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Publication Number: |
1766690 |
Announcement Number: |
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Grant Date: |
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Granted Pub. Date: |
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ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
G02B 9/12, G02B 1/04, G02B 13/18, H04N 5/225 |
Applicant(s): |
Tsinghua University |
Inventor(s): |
Zeng Jiyong, Jin Guofan, Yan Yingbai, Wang Zhuo, Wang Minqiang |
Key Words: |
Minisize, camera lens system |
Abstract: |
The invention relates to a mini-type camera lens system which from object side to imaging side comprises: a light fence, a first lens with double convex, a second lens with the concave side bends to the object side and a third lens with a concave side bends to the imaging side, wherein the first lens, the second lens and the third lens are made by plastic; one of the three lens has a diffraction side with diffraction grating structure. |
Claim: |
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Priority: |
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PCT: |
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