Recording and reproduction of waveform based on sound board vibrations

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United States of America Patent

PATENT NO 9245509
APP PUB NO 20140150624A1
SERIAL NO

14095126

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In a musical instrument, such as a piano, having a sound board, the sound board vibrates in response to vibrations of a string responsive to depression of a key. A waveform corresponding to such vibrations of the sound board is detected and recorded into a memory for each of the keys. The recorded vibration waveform is usable for reproduction of a sound based on sound board vibrations. In a sound reproduction apparatus, such as a piano, having a sound board, an excitation device physically excitable in response to an input waveform is provided on the sound board. In response to an operation of a key, a sound board vibration waveform corresponding to the operated key is read out from the memory, and the excitation device is driven in accordance with the read-out waveform signal so that the sound board is vibrated.

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Patent Owner(s)

Patent OwnerAddress
YAMAHA CORPORATION10-1 NAKAZAWA-CHO NAKA-KU SHIZUOKA-KEN HAMAMATSU-SHI 430-8650

International Classification(s)

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  • 2013 Application Filing Year
  • G10H Class
  • 265 Applications Filed
  • 253 Patents Issued To-Date
  • 95.48 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201320142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujiwara, Yuji Hamamatsu, JP 163 1847
Koseki, Shinya Fukuroi, JP 38 443
Okuyama, Fukutaro Hamamatsu, JP 24 163

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Patent Citation Ranking

  • 2 Citation Count
  • G10H Class
  • 4.55 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges57419632101 - 1011 - 2021 - 3031 - 4061 - 7071 - 8005101520253035404550556065707580

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