Music – Instruments – Electrical musical tone generation
Patent
1989-08-24
1990-12-18
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84723, 84DIG30, G10H 318
Patent
active
049778137
ABSTRACT:
An electronic musical instrument having a parameter adjustment mode and playing mode of operation includes a plurality of fret members located at predetermined spacings, a string stretched over the fret members so that a player's depression of the string causes contact between the string and at least one of the first members, and a vibration generating and receiving means for producing supersonic vibrations having a variable waveform in the string and receiving the supersonic vibrations reflected from any of the fret members through the string. The supersonic vibrations transmitted from the vibration generating and receiving means are reflected from a fret member contacted by the string, so that the vibration generating and receiving means detects transmitting characteristics of the string when a parameter adjustment mode is selected. Further, data forming means form data representing the transmitting characteristics of the string, and fret position detecting means are responsive to data supplied by the data forming means for detecting the fret member contacted by the string when a playing mode of operation is selected.
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Witkowski Stanley J.
Yamaha Corporation
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