发明授权
- 专利标题： Light scattering smoke sensor
- 专利标题（中）： 光散射烟雾传感器
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申请号： US570520申请日： 1995-12-11
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公开(公告)号： US5670947A公开(公告)日： 1997-09-23
- 发明人: Tetsuya Nagashima
- 申请人： Tetsuya Nagashima
- 申请人地址： JPX Tokyo
- 专利权人： Hochiki Corporation
- 当前专利权人： Hochiki Corporation
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX6-307333 19941212
- 主分类号： G01N21/53
- IPC分类号： G01N21/53 ; G08B17/10 ; G08B17/107
摘要：
In a light scattering smoke sensor of the present invention, a first diaphragm portion is disposed just aheat of a light receiving device, and a second diaphragm portion is disposed ahead of the first diaphragm portion. A gap between the first and second diaphragm portion is a smoke introducing portion which introduces smoke to a smoke detecting space via a gap between labyrinth members and the second diaphragm portion.
公开/授权文献
- USPP7757P Miniature rose plant name Savadream 公开/授权日：1991-12-31