ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,113, issued on Oct. 21, was assigned to INVISIO Communications Ltd (Watford, Great Britain).
"Device and method for active noise control" was invented by James C. Ewing (Harrow, Great Britain), James Griffin (Harrow, Great Britain) and Donald Stewart Murray (Harrow, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides an active noise reduction system which may be self-contained within a headset of the system, wherein circuitry within the system applies an active noise reduction profile to a signal to the speakers in the headset, to provide active noise reduction to the user of the headset, the system being arranged to ...