Method and device for measuring the difference in magnetic field strength with magnetoresistive sensors
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United States of America Patent
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Oct 30, 2001
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N/A
app pub date -
Apr 20, 1998
filing date -
Apr 19, 1997
priority date (Note) -
Expired
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Abstract
A method and device for measuring electric currents in n conductors (n.gtoreq.2), the measurement of the currents being carried out with (n-1) magnetoresistive sensors. Reliable excess current and/or fault current protection is obtained.
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