Temperature compensated and self-calibrated current sensor
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United States of America Patent
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Sep 25, 2007
Grant Date -
Mar 22, 2007
app pub date -
Nov 6, 2006
filing date -
Jan 16, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is described to provide temperature compensation and reduction of drift due to aging for a current sensor based on a plurality of magnetic field sensors positioned around a current carrying conductor. The offset voltage signal generated by each magnetic field sensor is used to correct variations in the output signal due to temperature variations and aging.
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