Current detector and wattmeter using the same
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United States of America Patent
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-
Jul 10, 2012
Grant Date -
Jan 20, 2011
app pub date -
Feb 26, 2009
filing date -
Mar 24, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A current detector includes a plate conductor (4) that is folded in one portion in a longitudinal direction to have two parts parallel to and facing each other having a predetermined width (w1) therebetween, so as to compose a looped current path (2a) in the conductor, and a magneto-electric transducer (2) that is placed between the two parts of the conductor (4; 4a, 4b) so that a magnetic sensing axis is parallel to a width direction of the conductor (4), of which a length (a) in a direction of the magnetic sensing axis is smaller than the width (w1) of the conductor.
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