ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,086, issued on Feb. 3, was assigned to KINGFAR INTERNATIONAL INC. (Beijing).
"Method, apparatus and system for filtering pulse signal motion interference" was invented by Qichao Zhao (Beijing), Ran Yang (Beijing) and Zhao Li (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method, an apparatus and a system for filtering pulse signal motion interference. The method comprises: irradiating a skin of a target human body in motion with a green light source in real time, so as to acquire a corresponding pulse signal from the target human body in real time; preprocessing the acquired pulse signal; and adaptively filt...