ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,456, issued on Aug. 18, was assigned to HITACHI ENERGY LTD (Zurich, Switzerland).
"Device and method for measuring leakage current" was invented by Johan Emil Kristiansson (Stockholm), Par Karlsson (Ludvika, Sweden), Anders Kvist (Sundbyberg, Sweden) and Martin Sikstrom (Sundbyberg, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "Device for measuring an alternating (AC) leakage current though a conductor, whereby the device includes: a conversion circuit including a magnetic core and a leakage current measurement circuit. The device includes a synchronous rectification circuit that includes a plurality of metal oxide semiconductor field effect...