G - Physics – 10 – H
Patent
G - Physics
10
H
84/1.2
G10H 1/00 (2006.01) G10H 1/40 (2006.01) G10H 7/00 (2006.01)
Patent
CA 1143190
AUTOMATIC CONTROL APPARATUS FOR CHORDS AND SEQUENCES Abstract of the Invention Electronic and logic circuitry for an automatic tonal bass rhythm accompaniment feature and an automatic chord feature in an electronic organ. Automatic bass rhythm accompaniment produces a pattern of notes based upon a tonic note selected by the instru- mentalist such that the desired musical effect is produced when the pattern of notes is combined with the notes being played by the instrumentalist. The electronic organ has stored in a memory various rhythm patterns which can be selected by the instrumentalist by closing rhythm switches. Electronic circuitry then causes notes for the selected rhythm pattern or patterns to be played automatically in response to the actuation of a pedal switch or keyswitch. The automatic chord feature of the present invention provides selectively major triad and dominant seventh chords or minor triad and diminished seventh chords automatically in response to the selection of a root note by the instrumentalist.
352299
Jones Edward M.
Simmons Carlton J. Jr.
Baldwin Piano & Organ Company
Ridout & Maybee Llp
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