ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,219,877, issued on Feb. 4, was assigned to Apple Inc. (Cupertino, Calif.).
"Multi-element piezo sensors for physiological measurements" was invented by Chin San Han (Mountain View, Calif.), German A. Alvarez (San Jose, Calif.), Santiago Quijano (San Jose, Calif.) and Stuart W. Wenzel (San Carlos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are monitoring systems and sensors for physiological measurements. The sensors can be multi-element piezo sensors capable of generating multiple electrical signals, whereby the monitoring systems can receive the multiple electrical signals to analyze the user's vital signs along multiple regi...