| 发明名称 |
Wide-angle illuminating optical system with light guide |
| 摘要 |
A wide-angle illuminating optical system with light guide comprising a positive lens system positioned near the end face of the light guide and arranged to illuminate over a wide observing area by converging the light from the light guide and then diverging said light by means of the positive lens system.
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| 申请公布号 |
US4017150(A) |
申请公布日期 |
1977.04.12 |
| 申请号 |
US19750620503 |
申请日期 |
1975.10.07 |
| 申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
IMAI, TOSHIHIRO |
| 分类号 |
A61B1/07;F21V8/00;G02B23/24;(IPC1-7):G02B5/16 |
主分类号 |
A61B1/07 |
| 代理机构 |
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代理人 |
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