Apparatus and method for self-tuning a piano
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United States of America Patent
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May 6, 2003
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N/A
app pub date -
Jan 14, 2002
filing date -
Jan 14, 2002
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Abstract
An apparatus and method for self-tuning a piano that includes selectively applying voltage with a voltage mechanism to each piano string of a plurality of piano strings to provide either thermal expansion upon an application of voltage or thermal contraction with an absence of voltage to alter pitch of the piano string to a predetermined value, wherein each piano string of the plurality of piano strings has a first end portion and a second end portion, wherein the first end portion of each piano string of the plurality of piano strings is respectively secured to a housing by a plurality of first attachment mechanisms and the second end portion of each piano string of the plurality of piano strings is respectively secured to a housing by a plurality of second attachment mechanisms and the plurality of piano strings are electrically insulated from each other.
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