Music – Instruments – Rigid vibrators
Patent
1997-09-17
1999-05-11
Martin, David S.
Music
Instruments
Rigid vibrators
84403, 84102, G10D13/08
Patent
active
059029455
ABSTRACT:
A plurality of rectangular parallelopiped tone bars are incorporated in a percussion instrument, are connected to a supporting bar at central points thereof so as to produce the second-order vertical flexural vibration and the first-order torsional vibration, and the ratio of width to thickness is regulated to a frequency ratio of 1:2 so as to improve the interval between the percussion sounds and the consonance.
REFERENCES:
patent: 1293723 (1919-02-01), Deagan
patent: 1632751 (1947-06-01), Winterhoff
patent: 1838502 (1931-12-01), Schulter
patent: 2655069 (1953-10-01), Marshall
patent: 5198602 (1993-03-01), Roper
patent: 5686679 (1997-11-01), Nakano et al.
Nakano Minoru
Ohmuro Hiroaki
Fletcher Marlon T.
Martin David S.
Yamaha Corporation
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