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
Stats
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Dec 31, 2024
Grant Date -
Feb 29, 2024
app pub date -
Aug 29, 2022
filing date -
Aug 29, 2022
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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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International Classification(s)
- 2022 Application Filing Year
- H04R Class
- 3243 Applications Filed
- 1781 Patents Issued To-Date
- 54.92 % Issued To-Date
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- H04R Class
- 0 % this patent is cited more than
- 1 Age
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