Electronic keyboard musical instrument with processing of depres

Details Electronic keyboard musical instrument with processing of depres Electronic keyboard musical instrument with processing of depres

1986-09-19

1988-08-23

Witkowski, S. J.

Music

Instruments

84 11, 84 127, 340365S, 340365L, G10H 118, G10H 146

Patent

active

047652187

ABSTRACT:
A keyboard circuit for an electronic musical instrument which, with the depression of a key, couples an AC signal to an allocated multiplexer input. The output of the multiplexer is connected via a rectifier and a sample-and-hold circuit to a depression recognizing circuit. The coupling is preferably inductive.

REFERENCES:
patent: 3594487 (1971-07-01), Jones
patent: 3614287 (1971-10-01), Klann
patent: 3652774 (1972-03-01), Ohno
patent: 3902397 (1975-09-01), Morez et al.
patent: 4520706 (1985-06-01), Deforeit
patent: 4558623 (1985-12-01), Buchla
patent: 4628785 (1986-12-01), Buchla

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