Keyboard musical instrument with movable key bed for performing

Details Keyboard musical instrument with movable key bed for performing Keyboard musical instrument with movable key bed for performing

1994-11-22

1996-08-13

Spyrou, Cassandra C.

Music

Instruments

Combined

84 2, 84 23, 84 33, 84216, G10D 1500, G10F 122

Patent

active

055458394

ABSTRACT:
A keyboard musical instrument lowers a key bed together with a keyboard, key action mechanisms and hammer mechanisms in a silent mode, and a stopper mechanism and a make-up mechanism cause the depressed keys to actuate the key action mechanisms and damper mechanisms as similar to an acoustic sound mode, thereby allowing a player to feel the key touch usual in a performance without an acoustic sound.

REFERENCES:
patent: 4469000 (1984-09-01), Fujiwara et al.
patent: 5428186 (1995-06-01), Kaneko et al.

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