Method for suppressing vibration coupled signals in a microphone for flight recorders

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12185065
APP PUB NO 20240073599A1
SERIAL NO

17898256

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Abstract

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An aircraft recorder system is provided in which a vibration sensor including at least one of a micro-electromechanical systems (MEMS) microphone and a MEMS accelerometer. The system further includes a cockpit voice recorder (CVR) and an active microphone. The active microphone and the vibration sensor each output signals to a signal processor including a subtractor configured to output, to the CVR, a signal that is a result of a subtraction of the signal from the vibration sensor from the signal from the active microphone.

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Patent Owner(s)

Patent OwnerAddress
L3HARRIS AVIATION PRODUCTS INC5353 52ND STREET S E GRAND RAPIDS MI 49512-9704

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Waggener, William N Sarasota, US 7 109
Weed, Michael E Nokomis, US 6 86

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