ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,132, issued on Sept. 8, was assigned to Allegro MicroSystems LLC (Manchester, N.H.).
"Substrate-embedded AC sensors" was invented by Simon E. Rock (Heidelberg, Germany) and Emil Pavlov (Heidelberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "AC current sensors are described having a primary current path that is integrated in a substrate or separate from the substrate; one or more conductive loops integrated in the substrate and configured for inductive coupling with the primary current path; and an integrated circuit connected to the conductive loop(s) and configured to measure AC current in the primary current path. The one or more integ...