ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,068, issued on June 3, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Power conversion device" was invented by Akane Hongyo (Tokyo) and Yuki Taniyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion device includes: a switching signal generator configured to generate a switching signal to output, from an inverter circuit, an AC voltage corresponding to a designated phase; a speed estimator configured to estimate an estimated phase of a rotor of a motor based on a current flowing through the motor; and a beat suppression controller configured to output an adjusted phase to the switching signal generator so as to suppress a...