Active noise control system
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United States of America Patent
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Oct 8, 2019
Grant Date -
Jun 22, 2017
app pub date -
Feb 27, 2015
filing date -
Dec 19, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system includes an Active Noise Control (ANC) module unit configured to be installed within an air intake or exhaust of a power generation unit. The ANC module unit includes an ANC housing shaped to fit within the air intake or exhaust, an ANC core configured to be secured within the ANC housing, which includes a microphone configured to detect a sound generated by the power generation unit, a control board configured to control the noise-canceling sound based on the sound signal from the microphone and a set of pre-determined noise reduction transfer functions, and a first speaker configured to deliver a first noise-canceling sound to the air intake or exhaust.
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