Minitype pick-up lens system |
Title: |
Minitype pick-up lens system |
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Application Number: |
200410051187 |
Application Date: |
2004/08/18 |
Announcement Date: |
2006/02/22 |
Pub. Date: |
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Publication Number: |
1737634 |
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 9/06, G02B 13/18, G02B 1/04, H04N 5/225 |
Applicant(s): |
Tsinghua University |
Inventor(s): |
Wang Zhuo, Jin Guofan, Yan Yingbai, Wang Minqiang, Zeng Jiyong |
Key Words: |
Minitype, pick-up lens system |
Abstract: |
This invention provides one micro cameral lens system, which comprises form object to imaging surface the following parts: light column, one first lens with double protruding surface and one second lens in shape of meniscus and concaved object, wherein, the first and second lens have at least one non-sphere with same plastic materials; the system also satisfies the condition as 1£¼T/f£¼1.7 with T representing for distance from column to imaging surface; |
Claim: |
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Priority: |
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PCT: |
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LegalStatus: |
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