SOUND PRESSURE GENERATOR
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United States of America Patent
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Issued Date -
Dec 1, 2022
app pub date -
Apr 28, 2022
filing date -
Apr 28, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A sound pressure generator includes a tube portion having a flow path extending in a tube axial direction; a rotor having a columnar shape with a column axis extending in a direction intersecting the tube axial direction in the flow path, the rotor configured to generate sound pressure by rotating about the column axis; and a drive unit configured to drive the rotor, wherein a cross-sectional shape of the rotor sectioned across the column axis includes a pointed first tip, a pointed second tip, and a long axis along which the first tip and the second tip are aligned.
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