Magnetic resolver
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United States of America Patent
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Apr 3, 2012
Grant Date -
Jul 16, 2009
app pub date -
Dec 22, 2006
filing date -
Dec 26, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A magnetic resolver includes: a plurality of columnar cores disposed on an annular plate; a coil portion disposed around each of the columnar cores; and an annular rotor having a sinusoidal profile that rotates in a plane parallel to the top faces of the columnar cores around a rotation axis that passes through the center of the annular plate. The coil portion may be formed of a patterned coil formed on an annular substrate that has a plurality of through holes made therein through which the plurality of cores are passed, the patterned coil being formed around the through hole.
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