Music – Instruments – Stringed
Patent
1993-03-19
1995-03-14
Gellner, Michael L.
Music
Instruments
Stringed
84276, 84277, G10D 300
Patent
active
053968220
ABSTRACT:
A string instrument of the invention is capable of producing a stable amount of sounds from a low sound region to a high sound region. A vibration mode is measured when the frequency of a basic vibration of strings becomes equal to that of a basic frequency of a top plate, and two stiffeners of predetermined lengths are attached on the rear surface of a top plate along two nodal lines appearing on the top plate in that vibration mode. The stiflenets do not affect in a low sound region but causes the vibration mode to change in a high sound region, thereby making it possible to produce increased amounts of sounds in every sound region, particularly that on E-line which has been thought to be difficult for a conventional violin to produce.
REFERENCES:
patent: 1876558 (1932-09-01), Bonewitz
patent: 2800051 (1957-07-01), Arlington
patent: 4056034 (1977-11-01), Kaman
Gellner Michael L.
Stanzione Patrick J.
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