Music – Instruments
Patent
1974-08-12
1976-03-16
Hix, L. T.
Music
Instruments
84423, 84451, G10C 312, G10H 100
Patent
active
039438112
ABSTRACT:
The musical instrument has a keyboard which may be arranged to have either seven or five lower digitals per octave span. The musical tones are electrically keyed by means of digital switches. A scale selector switch changes the connections between the digital switches and the tone generator circuits so that either the seven tone diatonic scale or a pentatonic scale is played on consecutive lower digitals of the keyboard.
The top parts of the upper digitals are easily removable and interchangeable. Most of the upper digitals are black. When the keyboard is arranged for playing in a pentatonic scale, the E.music-sharp. upper digital in each octave is white, serving as a landmark for the player. When the keyboard is arranged for playing in the diatonic scale, the inactive E.music-sharp. and B.music-sharp. digitals are white.
REFERENCES:
patent: 2484930 (1949-10-01), Cornelius
patent: 2539130 (1951-01-01), Grudin
patent: 3023659 (1962-03-01), Bode
patent: 3030848 (1962-04-01), Wick
patent: 3141371 (1964-07-01), Coles
patent: 3379087 (1968-04-01), Weitzner
patent: 3610800 (1971-10-01), Deutsch
patent: 3674907 (1972-07-01), Derry
patent: 3800060 (1974-03-01), Hallman, Jr.
patent: 3824325 (1974-07-01), Obayashi et al.
patent: 3836909 (1974-09-01), Cockerell
patent: 3845685 (1974-11-01), Coles
patent: 3865004 (1975-02-01), Coles
Hix L. T,.
Witkowski Stanley J.
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