发明名称 |
Relative humidity sensing apparatus |
摘要 |
A relative humidity sensor includes a printed circuit board having a central passageway therethrough and a dielectric film extending across the passageway with electrodes mounted on that portion of the film in the passageway so as to generate a capacitance which will vary directly with the amount of moisture content in the film.
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申请公布号 |
US5345821(A) |
申请公布日期 |
1994.09.13 |
申请号 |
US19930005015 |
申请日期 |
1993.01.15 |
申请人 |
A.I.R., INC. |
发明人 |
REICH, WILLIAM L.;CALL, DAVID B. |
分类号 |
G01N27/22;(IPC1-7):G01N27/22;G01N33/18 |
主分类号 |
G01N27/22 |
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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