MAGNETIC FIELD ROTATION DETECTION SENSOR AND MAGNETIC ENCODER
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United States of America Patent
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Jul 9, 2015
app pub date -
Dec 4, 2014
filing date -
Jan 8, 2014
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Abstract
A magnetic field rotation detection sensor that detects a rotation of a magnet, includes: a plurality of first magnetic sensor elements constituting a first bridge circuit; and a plurality of second magnetic sensor elements constituting a second bridge circuit, wherein sensitivity axes of the plurality of first magnetic sensor elements and sensitivity axes of the plurality of second magnetic sensor elements are oriented in directions where the sensitivity axes intersect each other, and the plurality of first magnetic sensor elements are disposed further inside than the plurality of second magnetic sensor elements.
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