Keyboard musical instrument equipped with electromagnetic key to

Details Keyboard musical instrument equipped with electromagnetic key to Keyboard musical instrument equipped with electromagnetic key to

1997-07-02

1998-07-21

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84626, 84658, 84688, 84690, G10H 1055

Patent

active

057837651

ABSTRACT:
A keyboard musical instrument includes an electromagnetic key touch generator for imparting a piano-like key touch to black/white keys, and the electromagnetic key touch generator has leaf spring members respectively held in contact with the upper surface of the black/white keys for urging the black/white keys toward the end positions and coil springs urging plungers of solenoid-operated key actuators to urge the black/white keys toward the rest positions; the resilient force of each leaf spring member is balanced with the resilient force of the associated coil spring at the rest position of the associated black/white key, and the solenoid-operated key actuator is expected to partially cancel the resilient force of the coil spring so as to build up resistance to the black/white key depressed by a player.

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