Chord pattern generator

Details Chord pattern generator Chord pattern generator

1978-05-11

1980-05-13

Truhe, J. V.

Music

Instruments

84 126, 84DIG12, 84DIG22, G10H 102, G10H 506

Patent

active

042022363

ABSTRACT:
Circuitry for generating rhythmic patterns of notes corresponding to notes of a selected chord wherein tone signals according to the notes of the selected chord are connected to the inputs of keyers each time a chord playing key is depressed and control a current which flows through the keyers to the organ output circuitry in accordance with a selected pattern sequence of notes which is provided to a plurality of envelope generators at a rhythmic rate. The keyers are grouped to correspond to the four components of a selected chord and each of the keyer groups has an individual envelope generator connected thereto which activates the keyer group under the command of the selected pattern and imparts a characteristic attack and decay envelope to the tone signal.

REFERENCES:
patent: Re29144 (1977-03-01), Bunger
patent: 3389211 (1968-06-01), Slaats
patent: 3706837 (1972-12-01), Arsem
patent: 3715442 (1973-02-01), Freeman
patent: 3854366 (1975-12-01), Deutsch
patent: 4010667 (1977-03-01), Kniepkamp
patent: 4054078 (1977-10-01), Kondo
patent: 4117758 (1978-10-01), Osburn
patent: 4117759 (1978-10-01), Kato
patent: 4120225 (1978-10-01), Dietrich
patent: 4156379 (1979-05-01), Studer
patent: 4162644 (1979-07-01), Sakashita

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