发明名称 |
ALIGNMENT SYSTEM |
摘要 |
A magnetic hole finder arrangement comprises a test field detector comprising GMR sensor means and may comprise a test field detector comprising first and second magnetic field detectors (which may be GMRs) arranged with respect to a hole location position, the detectors having magnetic axes each arranged transversely to a radius from the hole location position to the detector. The arrangement may include geomagnetic or ambient magnetic field compensation. |
申请公布号 |
WO2010052480(A3) |
申请公布日期 |
2011.04.21 |
申请号 |
WO2009GB02636 |
申请日期 |
2009.11.09 |
申请人 |
ADVANCED ANALYSIS AND INTEGRATION LIMITED;CORRY, JOHN, JOSEPH |
发明人 |
CORRY, JOHN, JOSEPH |
分类号 |
G01D5/14;B21J15/44;B23B49/00;B23Q17/22 |
主分类号 |
G01D5/14 |
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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