ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,714, issued on June 17, was assigned to Sound United LLC (Carlsbad, Calif.).
"Automotive audio system transducer" was invented by George Digby Fryer (West, Great Britain), Matthew Lyons (York, Pa.) and Bradley M. Starobin (Baltimore).
According to the abstract* released by the U.S. Patent & Trademark Office: "A signal processing method and Automotive Audio System 290 comprising a tripolar loudspeaker configuration housed in at least one automotive head-rest assembly 200 or 500, whose radiation pattern, in conjunction with inter-element delays and other design features, is such that that passengers are afforded temporal and amplitude cues for achieving the desired soundfield appro...