Keyboard instrument selectively entering into an acoustic mode a

Details Keyboard instrument selectively entering into an acoustic mode a Keyboard instrument selectively entering into an acoustic mode a

1994-03-21

1995-07-18

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84 2, 84 3, 84171, 84236, G10C 500, G10D 1500, G10H 134

Patent

active

054343496

ABSTRACT:
A keyboard instrument selectively enters into an acoustic sound mode for producing piano tones and into an electronic sound mode for producing synthetic tones, and comprises an acoustic piano, an electronic sound generating system and a mode controlling system, wherein the mode controlling system has a stopper slidable along strings of the acoustic piano so that the strings are struck by or blocked from hammers of the acoustic depending upon the position of the stopper.

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patent: 2250065 (1941-07-01), Koel
patent: 4633753 (1987-01-01), Takahashi
patent: 4704931 (1997-11-01), 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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