ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,783, issued on Nov. 4, was assigned to BPONTHS AS (Oslo, Norway).
"Active noise cancellation system for a helmet" was invented by Bent Even Fossum Fladmark (Trondheim, Norway), Ronny Fagervik Larsen (Trondheim, Norway), Dag Axel Aarset Loe (Trondheim, Norway) and Sigmund Andreas Birkeland (Trondheim, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "An active noise cancellation (ANC) system has a mounting plate, a first face of which is configured to be disposed against an inner surface of a helmet to form, with the helmet, a chamber. When the mounting plate is mounted on the helmet, a loudspeaker provided on the first face of the mounting plate ...