ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,853, issued on June 17, was assigned to Robert Bosch GmbH (Stuttgart, Germany).

"Method and apparatus for controlling an inverter" was invented by Marco Kleinknecht (Bietigheim-Bissingen, Germany) and Thomas Zeltwanger (Ingersheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method (100) for controlling an inverter (260), wherein the inverter (260) converts a DC voltage into a multi-phase AC voltage in order to power an electric machine (270). The method comprises the following steps: determining (120) an electrical frequency (f_el) of the electric machine (270); determining (130) a target_switching frequency (f...