Polyphonic musical instrument simulator

Details Polyphonic musical instrument simulator Polyphonic musical instrument simulator

1975-02-07

1977-12-13

Schaefer, Robert K.

Music

Instruments

84 111, 84 119, 84 126, G10H 102

Patent

active

040622649

ABSTRACT:
An electronic musical instrument having a plurality of frequency sources driving a plurality of waveshape controlling circuits rendered operative by a plurality of keyswitches comprising a keyboard to produce polyphonically, organ voices, piano and harpsichord voices, accordian voices, and other voices characterized by changing harmonic structure as the key is held down.

REFERENCES:
patent: 3063324 (1962-11-01), Campbell
patent: 3091148 (1963-05-01), Munch, Jr.
patent: 3161713 (1974-12-01), Martinez
patent: 3205294 (1965-09-01), Maynard
patent: 3255296 (1966-06-01), Peterson
patent: 3321567 (1967-05-01), Munch et al.
patent: 3398378 (1968-08-01), Olson
patent: 3544694 (1970-12-01), Freeman
patent: 3555167 (1971-01-01), Padalino
patent: 3855893 (1974-12-01), Chase

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