Arpeggio system for electronic organ

Details Arpeggio system for electronic organ Arpeggio system for electronic organ

G - Physics

10

H

84/1.2

G10H 1/02 (2006.01) G10H 1/28 (2006.01) H03K 3/282 (2006.01) H03K 23/00 (2006.01)

Patent

CA 1053490

ABSTRACT An automatic arpeggio system for an electronic organ, in which playing of a chord, or a single note, turns on tone signal gates for the played notes, and, at will, all octavely related notes, and initiates action of an assynchronous up-down multi- stage counter which sequentially reads out only the turned on gates, in sequence, either in an up-scan only, or up and then down. The gates lead to tone color filters, amplifiers and loudspeakers. Those counter stages which are selected to turn on gates are constrained to act a clock controlled bistable flip- flops, while the remainder act as monostable flip-flops with a time constant of the order of 30. microseconds, so that their set and reset involves inadequate time elapse to effect sounding of a note by closing of a tone gate.

149193

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