US Patent Issued to Shenzhen Ninenovo Technology on Sept. 16 for "PPG signal quality evaluation method and apparatus and PPG signal processing method and system" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,414,741, issued on Sept. 16, was assigned to Shenzhen Ninenovo Technology Ltd. (Shenzhen, China).

"PPG signal quality evaluation method and apparatus and PPG signal processing method and system" was invented by Shijie Cheng (Shenzhen, China) and Qianjin Feng (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a PPG signal quality evaluation method and apparatus and a PPG signal processing method and system. The PPG signal quality evaluation method includes: S1: acquiring an original signal; S2: when an average amplitude difference thereof is within a first preset range, executing S3, and otherwise, executing...