Music – Instruments – Electrical musical tone generation
Patent
1997-10-16
1999-07-13
Cabeca, John W.
Music
Instruments
Electrical musical tone generation
84615, 84662, 84718, 84720, 84743, 84745, G10C 312, G10C 316
Patent
active
059229837
ABSTRACT:
An electronic keyboard musical instrument stores first key touch data codes representative of a first reaction component and grouped into first data groups by a key velocity, second key touch data codes representative of a second reaction component and grouped into second data groups by a key position and third key touch data codes representative of a third reaction component and grouped into third data groups by the key position, and produces a digital key position signal representative of current key position, a digital key velocity signal representative of current key velocity and a digital key acceleration signal representative of current key acceleration so that a solenoid-operated actuator generates a resistance against the key motion on the basis of the first key touch data code selected by using the digital key position signal and the digital key velocity signal, the second key touch data code selected by using the digital key velocity signal and the digital key position signal and the third key touch data code selected by using the digital key acceleration code and the digital key position code, thereby giving a key touch close to a piano key touch.
REFERENCES:
patent: 4899631 (1990-02-01), Baker
Cabeca John W.
Fletcher Marlon T.
Yamaha Corporation
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