ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,383, issued on Dec. 2, was assigned to AVL LIST GMBH (Graz, Austria).

"Method and system for calibrating a control device of an electric motor" was invented by Francesco Duchi (Graz, Austria), Pirmin Proier (Graz, Austria), Jakob Moder (Unzmarkt, Austria) and Rudiger Teichmann (Hart bei Graz, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method and system for calibrating a control device, in particular an inverter control device, of an electric motor, comprising: operating the electric motor as part of a force flow; performing a force measurement by means of piezo elements which are arranged in the force flow in su...