Piano string tuning using inductive current pumps and associated method of use
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United States of America Patent
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Nov 17, 2015
Grant Date -
Nov 5, 2015
app pub date -
May 2, 2014
filing date -
May 2, 2014
priority date (Note) -
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Abstract
A present disclosure relates to a method and apparatus for tuning piano strings by heating the piano strings. The apparatus includes split magnetic cores that encircle the piano strings. The magnetic cores comprise wiring wrapped around the outside of the magnetic cores to induce an alternating current in the piano strings through mutual inductance. The generated alternating current in the piano strings allows each piano string to be heated and thereby tuned.
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