MAGNETIC SENSOR DEVICE
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United States of America Patent
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Issued Date -
Oct 29, 2015
app pub date -
Nov 11, 2013
filing date -
Nov 28, 2012
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Abstract
A magnetic sensor device may include an exciting coil; a detection coil which faces the exciting coil and is structured to detect an AC magnetic field generated by the exciting coil; an object arrangement space which is provided between the detection coil and the exciting coil; and a case member which covers an entire surrounding area for the detection coil and the exciting coil except a side facing the exciting coil in a surrounding area for the detection coil and except a side facing the detection coil in a surrounding area for the exciting coil. The case member may be made of nonmagnetic conductive metal.
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