Musical keyboard

Details Musical keyboard Musical keyboard

1986-03-18

1989-06-13

Witkowski, S. J.

Music

Instruments

84 127, 84DIG7, 336 79, 334 75, 341 32, G10H 118, G10H 134

Patent

active

048381390

ABSTRACT:
A musical keyboard having keys which carry metal spoilers that alter the resonance characteristics of tank circuits associated with the keys as the keys move toward and away from the inductance coils of the tank circuits. The tank circuits are connected sequentially to a frequency sensing circuit which develops indications of key positions by sensing the resonance frequency of each tank circuit.

REFERENCES:
patent: 4425511 (1984-01-01), Brosh
MIDI Specification I.O, Copyright 1983, IMA 8426 Vine Valley Drive, Sun Valley, CA 91352.

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