ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,242, issued on May 20, was assigned to Koninklijke Philips N.V. (Eindhoven, Netherlands).

"Optical vital signs sensor" was invented by Jozef Hubertus Gelissen (Herten, Netherlands), Rainer Hilbig (Aachen, Germany), Achim Rudolf Hilgers (Alsdorf, Germany), Mustafa Ghassan Radha (Steensel, Netherlands), Koen Theo Johan De Groot (Sevenum, Netherlands) and Reinder Haakma (Eindhoven, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical vital signs sensor (100) is provided, which comprises a PPG sensor (102), a force transducer (130) configured to measure a force applied via the PPG sensor (102) to a skin (1000) of the user and a processi...