Electrical musical instrument with automatic sequential tone gen

Details Electrical musical instrument with automatic sequential tone gen Electrical musical instrument with automatic sequential tone gen

1973-11-23

1976-05-04

Weldon, Ulysses

Music

Instruments

84 103, G10H 100

Patent

active

039540383

ABSTRACT:
An electronic organ includes digital circuitry for automatically enabling in a sequential manner a plurality of gates to pass tone signals to a corresponding plurality of keyers. The sequential enabling is separately controllable by an arpeggio circuit, a glissando circuit, and a strum circuit. The digital circuitry includes an octave counter and a tone counter both of which are stepped by a quadrature clock to sequentially enable the gates. The quadrature clock can be stopped to cause a count to be held under control of multivibrators which adjustably control the tone interval and the repeat interval. The repeat multivibrator can be automatically synchronized under control of a key down detector or a rhythm generator.

REFERENCES:
patent: 3235648 (1966-02-01), George
patent: 3518352 (1970-06-01), Plunkett
patent: 3546355 (1970-12-01), Maynard
patent: 3548065 (1970-12-01), Freeman
patent: 3548066 (1970-12-01), Freeman
patent: 3549776 (1970-12-01), Shiga et al.
patent: 3617602 (1971-11-01), Kniepkamp
patent: 3718748 (1973-02-01), Bunger
patent: 3842184 (1974-10-01), Kniepkamp et al.

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