Music – Instruments – Stringed
Reexamination Certificate
2008-04-07
2010-10-19
Qin, Jianchun (Department: 2832)
Music
Instruments
Stringed
C702S182000
Reexamination Certificate
active
07816593
ABSTRACT:
Embodiments of the present invention are directed to deriving a useful life value of a vibrating member in a musical instrument by analyzing a spectral response to sound produced by the vibrating member.
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McCarthy Law Group
Qin Jianchun
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