ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,803, issued on July 29, was assigned to Beijing Honor Device Co. Ltd. (Beijing).

"Heart rate 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 provides a heart rate detection method and an electronic device. Through the solution, when it is detected that a user wearing a smart wearable device is making a first workout, a PPG signal is acquired through a PPG sensor in the smart wearable device; first heart rate data is obtained based on the PPG signal and a first deep sequence neural networ...