Electronic musical instrument

Details Electronic musical instrument Electronic musical instrument

1976-03-08

1977-09-20

Witkowski, Stanley J.

Music

Instruments

84 124, 84445, 84451, G10C 312, G10H 100, G10H 506

Patent

active

040488934

ABSTRACT:
Electronic tone transposition apparatus in an organ allows the front digitals of the keyboard to play different musical scales and to play the diatonic scale in different keys. The apparatus physically actuates a key signature of written music by interchanging the electrical coupling to a front digital with the coupling to its adjacent back digital. The number of such interchanges is equal to the number of flats or sharps in the key signature. The organ can be electronically switched so that the front digitals of the keyboard play different musical scales with different numbers of tones per octave span.

REFERENCES:
patent: 3674907 (1972-07-01), Derry
patent: 3800600 (1974-03-01), Hallman, Jr.
patent: 3824325 (1974-07-01), Obayashi et al.
patent: 3986422 (1976-10-01), Coles
patent: 4009633 (1977-03-01), Coles

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