Music – Instruments – Electrical musical tone generation
Patent
1989-03-06
1991-01-15
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84377, 84DIG14, G10H 500
Patent
active
049844997
ABSTRACT:
A reedless harmonica generates control signals for a sound synthesizer which may, if desired, be situated away from the harmonica. The harmonica body has multiple air passages, each generating different musical notes through a plurality of air flow sensors which initiate electrical signals which identify each note being played and indicate changes in the amplitude of the note through transducers. In the preferred embodiment, the sensors are strain gages and circuits are provided for sequentially detecting the electrical resistivity of each gage in a repetitive scanning cycle to produce repetitive sequences of digitally coded signals. Signals produced by the harmonica can be used to control MIDI equipped sound synthesizers or for controlling other forms of electrically operated sound generating equipment.
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patent: 4566363 (1986-01-01), Arai
patent: 4619175 (1986-10-01), Matsuzaki
Strabala Joseph L.
Witkowski Stanley J.
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