发明名称 |
Light source devices for endoscopes |
摘要 |
A light source device for endoscopes comprising a light source lamp, a light guide fiber bundle and a collector optical system of the light source device for collecting rays emitted from the light source lamp onto an end surface of incidence of a light guide fiber bundle, and satisfying the condition shown below. This light source device is compact and allows rays to be incident onto the light guide fiber bundle at a high efficiency. sin theta </=G( theta )<tan theta
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申请公布号 |
US5491765(A) |
申请公布日期 |
1996.02.13 |
申请号 |
US19940316029 |
申请日期 |
1994.09.30 |
申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
MATSUMOTO, SHINYA |
分类号 |
G02B6/42;(IPC1-7):G02B6/36 |
主分类号 |
G02B6/42 |
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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