Keyboard for an electronic music system

Details Keyboard for an electronic music system Keyboard for an electronic music system

1989-07-21

1990-12-04

Leung, Philip H.

Music

Instruments

Electrical musical tone generation

84724, 84744, G10H 134, G10H 306

Patent

active

049744828

ABSTRACT:
An electronic keyboard system according to the present invention has a plurality of key sensor units associated with the keys, respectively, and the key sensor units are paired to form a plurality of sensor pairs to which bidirectional current driving units respectively supplies currents periodically changed in direction for selectively actuating the sensor units, so that the interconnections between the bidirectional current driving units and the sensor units are simplified, thereby decreasing the occupation area in the keyboard system.

REFERENCES:
patent: 4744281 (1988-05-01), Isozaki
patent: 4768412 (1988-09-01), Sanderson

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