发明名称 |
AN OPTICAL SENSOR FOR OPAQUE AND NON-OPAQUE MATERIALS |
摘要 |
A sensor is capable of detecting clear or opaque materials. The sensor can be disposed around a clear tube which carries a material such as liquid. The sensor utilizes a thin beam light source and a wide area photo detector. A window comparator determines the presence or absence of a material such as liquid.
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申请公布号 |
WO0131318(A1) |
申请公布日期 |
2001.05.03 |
申请号 |
WO2000US28778 |
申请日期 |
2000.10.18 |
申请人 |
MARQUETTE UNIVERSITY |
发明人 |
SHANA, ZACK, A.;MERCIER, CARLJON |
分类号 |
G01N21/41;(IPC1-7):G01N21/41 |
主分类号 |
G01N21/41 |
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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