ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,769, issued on Dec. 30, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Power conversion device" was invented by Hajime Toyoda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion device includes a converter, an inverter and a control circuit that controls them. The control circuit generates: first control signals that control the converter, on the basis of a first carrier wave; and second control signals that control the inverter, on the basis of a second carrier wave having a frequency and a phase that are different from those of the first carrier wave. The frequency of the first carrier wave and the frequency of the second...