Electrical audio signal processing systems and devices – With musical instrument
Reexamination Certificate
2006-08-01
2006-08-01
Mei, Xu (Department: 2615)
Electrical audio signal processing systems and devices
With musical instrument
Reexamination Certificate
active
07085391
ABSTRACT:
There is provided a pickup apparatus for reliably and correctly picking up piano sound by rigidly connecting a sound source member such as a sound board of a piano body, with a stationary member such as a cast-iron plate with use of a pickup apparatus body of the invention to one another so as to pickup the generated vibration force. The pickup apparatus can also be attached to or detached from an existing piano easily and at low cost, and the piano is not damaged when the pickup apparatus is attached to and detached from the piano. Further, noise component which is unnecessary for the piano sound can be eliminated by providing the pickup apparatus body of the present invention with a mechanical vibration filter.
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A. Marquez, Esq. Juan Carlos
Fisher Esq. Stanley P.
Graham Andrew
Mei Xu
Reed Smith LLP
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