Automatic chord and rhythm system for electronic organ

Details Automatic chord and rhythm system for electronic organ Automatic chord and rhythm system for electronic organ

1976-02-12

1977-03-01

Witkowski, Stanley J.

Music

Instruments

84 103, 84 117, 84DIG12, 84DIG22, G10H 100, G10H 500

Patent

active

RE0291447

ABSTRACT:
The present system provides an automatic chord accompaniment and/or an automatic rhythm system, actuation of only one left hand operated key producing proper distribution of root, third, fifth and seventh parts of a chord and root and fifth parts of a bass line. The bass and/or chord notes may be automatically rhythmically pulsed or selectively converted to a continuous mode, while the chord notes may be rhythmically pulsed to simultaneously sound different accompaniment instruments, such as guitar, piano, banjo, etc., at different rhythmic intervals, a touch bar being provided to select a minor chord when desired. A set of musical key selector buttons is provided which automatically provides seventh chords in correct positions for a given key selection. One or more accompaniment instruments may play different rhythmic sequences when seventh chords are sounded, while actuation of two or more keys, simultaneously, defeats the chord and bass accompaniment.

REFERENCES:
patent: 3432607 (1969-03-01), Bergman
patent: 3546355 (1970-12-01), Maynard
patent: 3567838 (1971-03-01), Tennes et al.
patent: 3590129 (1971-06-01), Freeman
patent: 3624263 (1971-11-01), Uchiyama
patent: 3629481 (1971-12-01), Bunger
patent: 3708604 (1973-01-01), Hebeisen et al.
patent: 3711618 (1973-01-01), Freeman
patent: 3712950 (1973-01-01), Freeman
patent: 3715442 (1973-02-01), Freeman
patent: 3725560 (1973-04-01), Robinson et al.
patent: 3760088 (1973-09-01), Nakada
patent: 3763305 (1973-10-01), Nakada et al.
patent: 3823246 (1974-07-01), Hebeisen et al.
patent: 3842701 (1974-10-01), Robinson et al.
patent: 3844192 (1974-10-01), Brand et al.
patent: 3889568 (1975-06-01), Amaya
patent: R26521 (1969-02-01), Park

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