US Patent Issued to TRANSTRON on Oct. 21 for "Active noise control device, active noise control method, and active noise control program" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,594, issued on Oct. 21, was assigned to TRANSTRON INC. (Yokohama, Japan).

"Active noise control device, active noise control method, and active noise control program" was invented by Ryota Okawa (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An active noise control device includes an adaptive filter that generates a control signal based on a vibration frequency generated by a vibration source and sequentially updating the adaptive filter, a reference signal generation device that generates a reference signal, an amplitude characteristic calculation device that acquires an acoustic characteristic including amplitude and phase informa...