Magnetic tagging of magnetoresistive sensors
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United States of America Patent
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Jan 26, 2010
Grant Date -
Jul 3, 2008
app pub date -
Dec 27, 2006
filing date -
Dec 27, 2006
priority date (Note) -
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Abstract
A magnet's N and S polarity can be alternately assembled within a MR sensor housing to determine the type of sensor that is assembled. In an MR sensor package including a housing having a sensing face and adapted for containing a sensing transducer and magnet, it can be determined if the MR sensor package is to be an X-type or Y-type sensor by testing the MR sensor package prior to labeling, shipping and/or use to determine its type by measuring the magnetic field emanating from the sensing face using a magnetic gauss probe. During assembly, the magnets N or S polarity is positioned to face the sensing face of the sensor to indicate the sensor type.
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