Music – Accessories – Tuning devices
Reexamination Certificate
2007-09-11
2007-09-11
Donels, Jeffrey W (Department: 2837)
Music
Accessories
Tuning devices
C702S075000
Reexamination Certificate
active
10634455
ABSTRACT:
Methods for assisting a technician in tuning a musical instrument exhibiting inharmonicity, such as a piano. If one aspect, a plurality of target frequencies are calculated using a table of preferred stretch values. In another aspect, target frequencies are calculated from multiple inharmonicity measurements during the time a tone generator is sounding.
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Carpenter Robert N.
Donels Jeffrey W
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