US Patent Issued to UNIVERSITY OF MARYLAND, COLLEGE PARK, UNITED STATES OF AMERICA, AS REPRESENTED BY SECRETARY, DEPARTMENT OF HEALTH AND HUMAN SERVICES on July 22 for "Modulation model of photoplethysmography signal for vital sign extraction" (Maryland Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,439, issued on July 22, was assigned to UNIVERSITY OF MARYLAND, COLLEGE PARK (College Park, Md.) and UNITED STATES OF AMERICA, AS REPRESENTED BY SECRETARY, DEPARTMENT OF HEALTH AND HUMAN SERVICES (Washington).

"Modulation model of photoplethysmography signal for vital sign extraction" was invented by Min Wu (Clarksville, Md.), Mingliang Chen (College Park, Md.), Qiang Zhu (College Park, Md.) and Quanzeng Wang (Olney, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for vital sign extraction. The apparatus may receive a vital signal of a subject from a sensing device. The apparatus may also perform a preprocessing procedure on the vita...