ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,413, issued on Nov. 18, was assigned to National Technology & Engineering Solutions of Sandia LLC (Albuquerque, N.M.).
"Calibration device for AC/DC systems" was invented by Anna Melnichuk (Rio Rancho, N.M.) and Aaron Michael Meyrick (Rio Rancho, N.M.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to calibration devices for alternating current (AC) and direct current (DC) systems. The calibration device includes a circuit with a first reference (ref1) sensor that has a ref1 input and a ref1 output. The circuit has a first device under test (DUT1) sensor with a DUT1 input and a DUT1 output. The circuit has a coupler, wh...