Automatic accompaniment circuit

Details Automatic accompaniment circuit Automatic accompaniment circuit

1981-04-03

1982-09-21

Witkowski, S. J.

Music

Instruments

84DIG12, G10H 140

Patent

active

043500714

ABSTRACT:
An automatic accompaniment circuit which is provided with a code detector for scanning key switches to detect the code of a depressed one of the key switches, a latch circuit for latching the output signal of the code detector by a bar clock pulse which is produced for each bar, a comparator for comparing the output signals of the code detector and the latch circuit to yield a coincidence signal, and control means for counting the coincidence signal from the comparator by a desired number of bars using the bar clock pulses and then providing a command signal for changing the pattern of an automatic accompaniment.

REFERENCES:
patent: 3986424 (1976-10-01), Sakashita
patent: 4089245 (1978-05-01), Dietrich
patent: 4138918 (1979-02-01), Kato
patent: 4149441 (1979-04-01), Bergman et al.
patent: 4162644 (1979-07-01), Sakashita
patent: 4163407 (1979-08-01), Solender
patent: 4208938 (1980-06-01), Kondo
patent: 4256005 (1981-03-01), Mishima

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