Keyboard musical instrument having regulable regulating buttons

Details Keyboard musical instrument having regulable regulating buttons Keyboard musical instrument having regulable regulating buttons

1994-11-22

1997-03-04

Spyrou, Cassandra C.

Music

Instruments

Combined

84243, 84236, G10D 1500

Patent

active

056081758

ABSTRACT:
A keyboard musical instrument has an acoustic piano, an electronic sound generating system, a rotary stopper for preventing sets of strings from impacts of hammer heads and regulator for changing distances between regulating buttons and toes of jacks, and a link mechanism connects a pedal and both of the rotary stopper and the regulator so as to concurrently change the rotary stopper and the regulator between an acoustic sound mode and a silent mode.

REFERENCES:
patent: 5374775 (1994-12-01), Kawamura et al.

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