US Patent Issued to BAE Systems on Feb. 10 for "Acoustic absorbing structures" (British Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,540, issued on Feb. 10, was assigned to BAE Systems PLC (London).

"Acoustic absorbing structures" was invented by Ewan David Finlayson (Exeter, Great Britain), Alastair Paul Hibbins (Exeter, Great Britain), Sir John Roy Sambles (Exeter, Great Britain), Gwyn Richards (Preston, Great Britain) and David Patience (Frimley, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some examples, an acoustic absorbing structure comprises a surface comprising an array of apertures, each aperture defining an opening for a corresponding channel, each channel forming a non-resonant acoustic attenuation structure with an axially decreasing cross-section ...