US Patent Issued to AUDIO-TECHNICA on July 14 for "Noise-cancelling headphone device" (Japanese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,682,882, issued on July 14, was assigned to AUDIO-TECHNICA Corp. (Machida, Japan).

"Noise-cancelling headphone device" was invented by Daisuke Yoneyama (Machida, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a noise-cancelling headphone device that prevents deterioration of reproduction frequency characteristics in a high-frequency band while preventing reduction in the reproduction output in the low-frequency band. The proposed technology is a noise-cancelling headphone device, including a speaker unit provided with a dome-shaped diaphragm having a center dome and a sub-dome, a microphone that detects ambient noise incident into the ...