Keyboard instrument selectively entering into acoustic sound mod

Details Keyboard instrument selectively entering into acoustic sound mod Keyboard instrument selectively entering into acoustic sound mod

1994-02-17

1995-06-27

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84 2, 84 3, 84171, 84423R, G10C 312, G10C 500, G10H 134

Patent

active

054281865

ABSTRACT:
An acoustic piano is equipped with an electronic sound generating system, and a key bed structure is angularly movable between an acoustic sound mode and an electronic sound mode for changing gaps between hammer heads and sets of strings, thereby allowing a player to perform a music with acoustic sounds or synthesized sounds.

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patent: 4704931 (1987-11-01), Nagai
patent: 4744281 (1987-03-01), Isozaki
patent: 4970929 (1990-11-01), Ishida
patent: 5001339 (1991-03-01), Starkley et al.
patent: 5115705 (1992-05-01), Monte et al.
patent: 5247129 (1993-09-01), Nozaki et al.

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