发明名称 |
PHOTOACOUSTIC GAS SENSOR UTILIZING DIFFUSION |
摘要 |
The present invention relates to a photoacoustic gas sensor utilizing diffusion having a sensing volume and an acoustic pressure sensor volume containing an acoustic pressure sensor such that the fluid connection betwee n the sensing volume and the acoustic pressure sensor volume restricts the flo w of analyte gas therethrough but does not restrict the transmission of the photoacoustic signal therethrough.
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申请公布号 |
CA2505913(A1) |
申请公布日期 |
2005.02.24 |
申请号 |
CA20042505913 |
申请日期 |
2004.05.12 |
申请人 |
MINE SAFETY APPLIANCES COMPANY |
发明人 |
UBER, ROBERT E. |
分类号 |
G01N21/03;G01N21/17;(IPC1-7):G01N21/17 |
主分类号 |
G01N21/03 |
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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