ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,168, issued on March 25, was assigned to Bose Corp. (Framingham, Mass.).
"Active noise reduction earbud" was invented by Andrew Donald Munro (Northborough, Mass.), Lei Cheng (Wellesley, Mass.), Ole Nielsen (Cambridge, Great Britain), Emery Ku (Sudbury, Mass.) and Cedrik Bacon (Ashland, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An active noise reduction earbud includes a housing and a first feedforward microphone disposed in the housing. A first sound inlet opening extends through the housing and is configured to conduct external sound to the first feedforward microphone. The first sound inlet opening is configured to sit within a concha ...