Acoustic coupling free electric drum

Details Acoustic coupling free electric drum Acoustic coupling free electric drum

1979-09-21

1981-07-21

Truhe, J. V.

Music

Instruments

84411A, 84DIG12, 338 69, 338114, 338 99, G10H 306, H01C 1010

Patent

active

042791880

ABSTRACT:
Faithful replication of a drummer's hits on an electric drum, free of cogeneration of spurious signals by acoustic coupling of the drum pick-up with extraneous energy sources such as nearby musical instruments is achieved by employing as the drum hit pick-up a variable resistance transducer comprising a foamed dielectric matrix, e.g. polymer, having electroconductive particles therein, sandwiched between conductive members one of which is contiguous with the drum head.

REFERENCES:
patent: 3439573 (1969-04-01), Zottolo
patent: 3509264 (1970-04-01), Green
patent: 3629774 (1971-12-01), Crites
patent: 3960044 (1976-06-01), Nagai et al.
patent: 4201107 (1980-05-01), Barber, Jr. et al.
patent: 4226156 (1980-10-01), Hyakutake
patent: 4227049 (1980-10-01), Thomson et al.

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