发明名称 |
Sensor system method and apparatus for discrimination of metallic objects based on a variation in self inductance |
摘要 |
A device for discriminating metal in an object is provided including a sense coil and related circuitry, with variations in the self inductance of the sense coil being measured as the object is passed substantially through the center of the coil.
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申请公布号 |
US5028870(A) |
申请公布日期 |
1991.07.02 |
申请号 |
US19890339657 |
申请日期 |
1989.04.18 |
申请人 |
ENVIRONMENTAL PRODUCTS CORPORATION |
发明人 |
REED, MICHAEL A. |
分类号 |
G01V3/10 |
主分类号 |
G01V3/10 |
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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