Omni-directional shear-horizontal wave magnetostrictive patch transducer and method of winding coil
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United States of America Patent
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Sep 20, 2016
Grant Date -
Dec 4, 2014
app pub date -
Jul 29, 2013
filing date -
May 29, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a transducer. The transducer includes a permanent magnet that generates a magnetostatic field, a patch disposed below the permanent magnet and formed of a material that deforms according to a magnetic field, an insulator disposed on a top surface of the patch, and a coil wound around the patch and the insulator in a certain form and allowing a magnetomotive field to be induced on the patch according to an applied current. The wound coil has a form in which directions of the magnetostatic field generated by the permanent magnet and the magnetomotive field generated by winding the coil are orthogonal to each other.
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