发明名称 |
Battery-powered light source arrangement for endoscope |
摘要 |
A light source arrangement for a battery-powered light source unit of an endoscope comprises a cylindrical housing, a base disposed at one end of the housing, a plurality of LEDs connected to a flexible circuit board supported on the base and a focusing lens. A light guide for directing light emanating from the LEDs. The light guide comprises a reflective surface formed on an inner wall of the housing, a reflector having a concave reflective surface which is disposed at one end of the housing so as to surround the LEDs or a micro-lens array disposed in front of the LEDs with each micro lens aligned with the LED.
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申请公布号 |
US6260994(B1) |
申请公布日期 |
2001.07.17 |
申请号 |
US19990365772 |
申请日期 |
1999.08.03 |
申请人 |
FUJI PHOTO OPTICAL CO., LTD. |
发明人 |
MATSUMOTO SEIJI;NAKANO ETSUO;SATO SUWAO |
分类号 |
G02B23/26;A61B1/05;A61B1/06;A61B1/07;F21V8/00;G01J3/10;G02B23/24;(IPC1-7):F21V5/00 |
主分类号 |
G02B23/26 |
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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