Music – Instruments – General features
Patent
1999-01-19
2000-07-25
Donels, Jeffrey
Music
Instruments
General features
84380R, 84387R, 84312R, 84314R, G10C 312
Patent
active
06093879&
ABSTRACT:
This application relates to various stepped pitch instruments crafted to a novel musical tuning system for the generated frequencies. As such, the tone selection devices are arranged to a distinct set of interval specifications when compared to the tone selection devices for a prior art instrument crafted to sound the common frequencies of 12 tone equal temperament. To generate the bicameral tones, the preferred tuning system utilizes two different series of Pythagorean perfect fifths separated by a known reference interval. Relative to 12 tone, the instant tuning system is primarily concerned both with improving the sour major and minor thirds and perfecting the slightly flat fifths. Substantially fewer tones per octave are used than the number required by standard just intonation. Various modifications to existing prior art instruments are described, as well as a novel enharmonic multitone keyboard.
REFERENCES:
patent: 4031800 (1977-06-01), Thompson
patent: 4132143 (1979-01-01), Stone
patent: 5129303 (1992-07-01), Coles
patent: 5404788 (1995-04-01), Frix
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