Music – Accessories
Patent
1995-10-04
1997-02-04
Gellner, Michael L.
Music
Accessories
84294, G01D 302
Patent
active
056000812
ABSTRACT:
To improve the sonority of a musical instrument which is made at least in part of wood, the wood before becoming a part of the instrument is subjected to sonic energy for causing surface erosion as a result of cavitation. The wood, usually a panel, preferably is treated when it is in its substantially final shape, but devoid of a surface coating. A liquid, such as water, comprises the coupling means between the source of sonic energy and the wood, and the frequency of the sonic energy, suitably, is in the range between 5 kHz and 100 kHz.
REFERENCES:
patent: 2911872 (1959-11-01), Carl
patent: 3796122 (1974-03-01), Kaminsky
patent: 5537908 (1996-07-01), Rabe et al.
Gellner Michael L.
Hsieh Shih-yung
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