赤外線カットフィルタを備えた内視鏡装置
- 专利权人:
- HOYA株式会社
- 发明人:
- 杉本 秀夫
- 申请号:
- JP2006063762
- 公开号:
- JP4864494B2
- 申请日:
- 2006.03.09
- 申请国别(地区):
- JP
- 年份:
- 2012
- 代理人:
- 摘要:
PROBLEM TO BE SOLVED: To prevent harmful effects on a subject and an endoscope apparatus when an infrared ray cut filter is damaged.
SOLUTION: A diaphragm 26 and a lamp 22 are provided on the endoscope apparatus, and the infrared ray cut filter 25 is disposed between the diaphragm 26 and the lamp 22. A conducting membrane is formed on the surface of the infrared ray cut filter 25. Then, the conducting membrane is constituted as a part of a signal circuit for driving a dimming circuit 28. A positioning plate 29 for positioning the diaphragm 26 at a light blocking position where beams of light are blocked by a light shielding plate is also provided.
COPYRIGHT: (C)2007,JPO&INPIT
- 来源网站:
- 中国工程科技知识中心