ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,052, issued on Sept. 9, was assigned to STMicroelectronics France (Montrouge, France).

"Contactless communication method between an object and a reader using active load modulation" was invented by Florent Sibille (Grenoble, France) and Marc Houdebine (Crolles, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one embodiment, an object can communicate contactlessly with a reader using active load modulation. The method includes detecting a sensing magnetic field emitted by the reader, initializing a phase-locked loop of the object, detecting a stopping of the sensing magnetic field emitted by the reader before initializing the phase-locked l...