US Patent Issued to Asahi Kasei Microdevices on Aug. 5 for "Sound wave signal processing apparatus and sound wave detection method" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,382,217, issued on Aug. 5, was assigned to Asahi Kasei Microdevices Corp. (Tokyo).

"Sound wave signal processing apparatus and sound wave detection method" was invented by Kenichi Sato (Tokyo), Atsushi Nishio (Tokyo) and Satoshi Kasahara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sound wave signal processing apparatus may include: an extraction unit configured to extract, from a sound wave signal, a plurality of frequency signals indicating respective frequency components of a plurality of frequency bands including different set frequencies; a setting unit configured to set a set frequency of the extraction unit on the basis of a comparison ...