Keyboard instrument having hammer stopper outwardly extending fr

Details Keyboard instrument having hammer stopper outwardly extending fr Keyboard instrument having hammer stopper outwardly extending fr

1994-10-06

1999-02-23

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84220, 84236, 84618, G10C 300, G10C 318

Patent

active

058746870

ABSTRACT:
a stopper, a driver unit, key and pedal sensors, a sound processing unit and a sound system are installed in an acoustic piano so as to remodel the acoustic piano into a keyboard musical instrument performable with either acoustic or electronic sounds.

REFERENCES:
patent: 4704931 (1987-11-01), Nagai et al.
patent: 5247129 (1993-09-01), Nozaki et al.
patent: 5374775 (1994-12-01), Kawamura et al.
patent: 5406875 (1995-04-01), Tamai et al.
patent: 5428186 (1995-06-01), Kaneko et al.
Gulbransen Products Installation Manual, Jan. 29, 1993, p. 3.

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