ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,121, issued on Feb. 3, was assigned to Honda Motor Co. Ltd. (Tokyo).
"Active noise reduction system" was invented by Xun Wang (Saitama, Japan) and Toshio Inoue (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An active noise reduction system includes a canceling sound generator configured to generate a canceling sound for canceling a noise, an error detector configured to detect an error between the noise and the canceling sound and generate an error signal corresponding to the error, and a controller configured to control the canceling sound generator based on the error signal, wherein the controller is configured to extract noise comp...