| 发明名称 |
Objective for an endoscope |
| 摘要 |
An objective for an endoscope comprising a GRIN lens whose surface on the object side is arranged as a planar surface or convex surface and whose surface on the image side is arranged as a convex surface, the objective for an endoscope having an extremely small outer diameter and a wide field angle.
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| 申请公布号 |
US4755029(A) |
申请公布日期 |
1988.07.05 |
| 申请号 |
US19870051538 |
申请日期 |
1987.05.19 |
| 申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
OKABE, MINORU |
| 分类号 |
G02B9/00;A61B1/002;G02B3/00;G02B9/02;G02B23/24;G02B23/26;(IPC1-7):G02B6/18 |
主分类号 |
G02B9/00 |
| 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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