Power generation switch
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United States of America Patent
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Oct 4, 2016
Grant Date -
Apr 10, 2014
app pub date -
Nov 14, 2013
filing date -
May 16, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A power generation switch includes: parallel beams including at least one magnetostrictive rod made of a beam-shaped magnetostrictive material; a coil wound around the rod; a first connecting part connecting two beams in the parallel beams together, at first ends of the parallel beams; a second connecting part connecting the two beams together at second ends of the parallel beams; a field part that produces magnetic flux to pass through the two beams in the same direction; and an operating part operable by a user. The first connecting part is a non-displaced fixed end. The second connecting part is a free end for free oscillation. The operating part applies external force to the second connecting part to cause free oscillation of the parallel beams, thereby causing a positive axial force in one of the two beams and a negative axial force in the other one of the two beams.
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