ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,257, issued on Oct. 21, was assigned to Tiangong University (Tianjin, China).

"Electrocardiogram mapping method and system" was invented by Huiquan Wang (Tianjin, China), Feng Cao (Tianjin, China), Xin Lian (Tianjin, China) and Jialiang Miao (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an electrocardiogram (ECG) mapping method and system. By acquiring a palm ECG signal, dividing the palm ECG signal into multiple palm ECG episodes according to a preset intercepted length, converting the palm ECG episodes into standard ECG episodes with an ECG mapping model, and connecting all standard ECG episodes a...