内視鏡照明光学系
- 专利权人:
- HOYA株式会社
- 发明人:
- 村山 稔
- 申请号:
- JP2006229645
- 公开号:
- JP4874032B2
- 申请日:
- 2006.08.25
- 申请国别(地区):
- JP
- 年份:
- 2012
- 代理人:
- 摘要:
- An endoscope illumination optical system includes a surface light source, a positive first lens element, a positive second lens element, in this order from the surface light source. The endoscope illumination optical system satisfies the following conditions: 0.40
- 来源网站:
- 中国工程科技知识中心