ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,780, issued on March 24, was assigned to Dan Clark Audio Inc. (San Diego).
"Rear side acoustic metamaterial compensation system" was invented by Daniel William Clark (San Diego) and Robert Jason Egger (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "Method and apparatus for reducing standing waves, reflections and other undesired components from acoustic waves generated by a transducer. A rear side acoustic compensation structure is coupled to a rear side of the transducer and includes a metamaterial resonator array with one or more resonator channels. A bypass path structure directs a first portion of the rear directed sound waves into th...