SYSTEM FOR NOISE CONTROL IN AIR MOBILITY UNITIZING AN ARRAY OF ACOUSTIC SCATTERERS
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United States of America Patent
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Issued Date -
Feb 29, 2024
app pub date -
Aug 29, 2022
filing date -
Aug 29, 2022
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Abstract
A system for isolating sound generated by an aircraft utilizing a helipad may include a plurality of acoustic scatterers being disposed adjacent to at least a portion of a perimeter of the helipad. Each of the plurality of acoustic scatterers include channels having an open end and a terminal end. Additionally, each of the plurality of acoustic scatterers has an acoustic monopole response and an acoustic dipole response with a resonant frequency that is substantially similar to one another.
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