Minisize camera lens system
Title:
Minisize camera lens system
Application Number:
200410052033
Application Date:
2004/10/28
Announcement Date:
2006/05/03
Pub. Date:
Publication Number:
1766690
Announcement Number:
Grant Date:
Granted Pub. Date:
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:
Priority:
PCT:
LegalStatus:

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  Selected patents owned by Tsinghua University filed in 2005 are loaded.
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