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US 5,516,981 AGranted
Musical instrument tuned in nineteen note temperament scale
AssigneeYamaha Corporation
InventorYouhei Nagai
Life of this patent
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Abstract
A musical instrument produces nineteen tones in each octave, and the nineteen tones have respective fundamental frequencies regulated to a geometrical series of .sup.19 .sqroot.2 so as to be highly harmonized without difficult in performance.
Claims3
A keyboard musical instrument which allows a player to perform music in one of a twelve note temperament scale and a nineteen note temperament scale, said keyboard musical instrument comprising:
- a plurality of keys assigned first notes of the nineteen note temperament scale and second notes of the twelve note temperament scale, and adapted to be selectively depressed by a player for playing music,
- said plurality of keys being arranged in three rows, two of which are shared between said nineteen note temperament scale and said twelve note temperament scale,
- said first notes respectively having frequencies forming a geometrical series of .sup.19 .sqroot.2,
- said second notes respectively having frequencies forming a geometrical series of .sup.12 .sqroot.2;
- and
- an electronic sound generating system responsive to the manipulation of said plurality of keys for producing sounds of the notes selected by said player.
3 more elements
Dependencies are inferred from the claim text.