Electromechanical servo assisted drum

Details Electromechanical servo assisted drum Electromechanical servo assisted drum

2008-10-30

2011-12-06

Qin, Jianchun (Department: 2832)

Music

Instruments

Electrical musical tone generation

C084S41100A

Reexamination Certificate

active

08071871

ABSTRACT:
A drum includes a shell having first and second, spaced apart ends defining an interior volume; first and second drumheads, each stretched over a respective one of the first and second ends of the shell; and an electromechanical driver having a moving coil element operable to move the first drumhead in response to an electrical drive signal.

REFERENCES:
patent: 3162730 (1964-12-01), Owen, Jr.
patent: 3188389 (1965-06-01), Janisio
patent: 4941389 (1990-07-01), Wendler
patent: 5056400 (1991-10-01), Wachi et al.
patent: 5353674 (1994-10-01), Volpp
patent: 5430245 (1995-07-01), Rogers
patent: 7282633 (2007-10-01), Coolidge
patent: 2005/0286729 (2005-12-01), Harwood et al.
patent: 2008/0044044 (2008-02-01), Madaffari et al.

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