US Patent Issued to SHENZHEN YINWANG INTELLIGENT TECHNOLOGIES on Aug. 12 for "Beat frequency signal processing method and apparatus" (Chinese Inventor)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,054, issued on Aug. 12, was assigned to SHENZHEN YINWANG INTELLIGENT TECHNOLOGIES Co. LTD. (Shenzhen, China).

"Beat frequency signal processing method and apparatus" was invented by Qiang Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A beat frequency signal processing method includes determining a two-dimensional (2D) time frequency spectrogram of a beat frequency signal based on a sampled sequence of the beat frequency signal, where the 2D time frequency spectrogram indicates a relationship between a frequency and a time of the beat frequency signal; performing matching between the 2D time frequency spectrogram of the beat frequency si...