ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,982, issued on Dec. 9, was assigned to Airbus Operations SAS (Toulouse, France).
"Acoustic panel for an aircraft providing noise attenuation over a wide frequency band by combining two resonators, and acoustic panel manufacturing method" was invented by Manuel Teigne (Toulouse, France) and Maxime Gauthier (Toulouse, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic panel for an aircraft providing noise attenuation over a wide frequency band by combining two resonators, and acoustic panel manufacturing method. The acoustic panel includes a rear skin, a cellular structure, an intermediate layer including perforations, a cellular structu...