ACOUSTIC SUPPRESSION SYSTEM
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United States of America Patent
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Issued Date -
Aug 17, 2023
app pub date -
Feb 13, 2023
filing date -
Feb 13, 2022
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Abstract
A fan blade assembly having integrated microphones to measure acoustic energy levels uses speakers controlled by a control unit to output anti-acoustic energy vibrations. Specific embodiments wherein the speakers and microphones are radially displaced around the fan blade assembly are also disclosed.
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