发明名称 |
Spring-free type focusing and defocusing mechanism for a digital camera |
摘要 |
A focusing and defocusing mechanism incorporated in a digital camera lens for simplifying the lens structure. The mechanism includes an outer lens barrel, a cam barrel having a slot of multiple slopes for adapting to the outer lens barrel, a guide pin affixed onto the outer wall of the outer lens barrel for rotating into the slot of the multiple slopes, and controlling elements affixed to the guide pin for controlling the distance and movement of the guide pin on the slot of multiple slopes.
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申请公布号 |
US5970262(A) |
申请公布日期 |
1999.10.19 |
申请号 |
US19980040227 |
申请日期 |
1998.03.13 |
申请人 |
UMAX DATA SYSTEMS INC. |
发明人 |
TSENG, KOU-LUNG;HWANG, WEI-HSIN;CHEN, CHAO-SOON;LO, SHIH-MIN;HUNG, JANG-YAN;CHUNG, CHIEN-CHIEN |
分类号 |
G02B7/08;(IPC1-7):G03B3/00;G02B7/04;G03B13/32 |
主分类号 |
G02B7/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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