| 发明名称 |
Optical imaging system |
| 摘要 |
An optical imaging system is provided comprising a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive or negative power; and a fourth lens group having a positive or negative power.
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| 申请公布号 |
US7466497(B2) |
申请公布日期 |
2008.12.16 |
| 申请号 |
US20060473154 |
申请日期 |
2006.06.21 |
| 申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
PARK SEONG-HA;KIM KI-TAE |
| 分类号 |
G02B3/02;G02B5/20;G02B9/34 |
主分类号 |
G02B3/02 |
| 代理机构 |
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