发明名称 |
Metal detecting device with magnetically influenced Hall effect sensor |
摘要 |
A solid state Hall effect sensor is disposed between two magnets having their fields in quadrature with flux from the magnets at least partially cancelling in the Hall element to thereby enable a ferrous element relatively movable with respect to the magnets and sensor to control the output of the sensor.
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申请公布号 |
US4066962(A) |
申请公布日期 |
1978.01.03 |
申请号 |
US19760748434 |
申请日期 |
1976.12.08 |
申请人 |
THE SINGER COMPANY |
发明人 |
JAFFE, WOLFGANG |
分类号 |
G01R33/07;G01V3/08;(IPC1-7):G01R33/12 |
主分类号 |
G01R33/07 |
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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