Synchronizing signal generator and an electronic musical instrum

Details Synchronizing signal generator and an electronic musical instrum Synchronizing signal generator and an electronic musical instrum

1982-01-27

1983-12-13

Witkowski, S. J.

Music

Instruments

84 128, 84DIG11, 84DIG12, 84DIG29, 328 16, 328 18, 328 59, 328 62, 364419, 364761, G10H 140

Patent

active

044199180

ABSTRACT:
A synchronizing signal generator includes a tape recorder which is adapted to record click signals in response to actuations of a manual switch. Counting clock signals go on while the click recorded signals are reproduced, especially during a length of time extending from receipt of a particular one of the click signals to receipt of the next succeeding click signal. The resultant count is divided by a given numeral value and then the quotient is stored. The clock signals developing between the respective click signals are further counted during the course of reproduction of the click signals from the tape recorder and a pulse signal is delivered whenever the instantaneous count coincides with the stored quotient. Tempo clock signals are obtained through the division of the pulse signal at a selected division ratio out of a plurality of division ratios. The tempo clock signals are fed to a sequencer which in turn generates a control voltage and gate signals synchronous with the tempo clock signals. A music synthesizer produces tone signals in synchronism with said tempo clock signals in response to the control voltage and the gate signals.

REFERENCES:
patent: 4085645 (1978-04-01), Ryon
patent: 4328731 (1982-05-01), Gotho et al.
patent: 4333374 (1982-06-01), Okumura et al.

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