US Patent Issued to Airbus Operations, Airbus on Aug. 12 for "Semi-active noise control system for an aircraft" (French, German Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,703, issued on Aug. 12, was assigned to Airbus Operations GmbH (Hamburg, Germany) and Airbus S.A.S. (Blagnac, France).

"Semi-active noise control system for an aircraft" was invented by Wolfgang Machunze (Hamburg, Germany), Alois Friedberger (Hamburg, Germany), Christian Thomas (Blagnac, France) and Martin Wandel (Blagnac, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semi-active noise control system includes a layer configured to be part of an interior panel of an aircraft The layer includes conductive tracks, a driver arrangement, tuned mass dampers, and sensors. Each tuned mass damper has an eigenfrequency that depends on a control sign...