Two-dimensional magnetic sensor including magneto-impedance sensor elements
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United States of America Patent
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Dec 14, 2004
Grant Date -
Aug 21, 2003
app pub date -
Oct 21, 2002
filing date -
Feb 19, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is a two-dimensional magnetic sensor having a first magneto-impedance sensor element including a first magneto-sensitive element and a first electro-magnetic coil which is wound around said first magneto-sensitive element; a second magneto-impedance sensor element including a second magneto-sensitive element and a second electro-magnetic coil which is wound around said second magneto-sensitive element; and an integrated circuit including an oscillator, a current switching element, a voltage detector, and an amplifier.
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