ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,226, issued on Nov. 11, was assigned to Honor Device Co. Ltd. (Shenzhen, China).

"Vital sign detection method and electronic device" was invented by Xiaowu Zhang (Shenzhen, China), Danhong Li (Shenzhen, China) and Haoxuan Di (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a vital sign detection method and an electronic device. The method includes: obtaining an acceleration signal and PPG signals of a plurality of channels within a preset time period; calculating, in a case that there is at least one correlation coefficient in the correlation coefficient matrix less than or equal to a first threshold, a vari...