US Patent Issued to TMEIC on April 29 for "Power conversion device, semiconductor switch drive device, and control method" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,045, issued on April 29, was assigned to TMEIC Corp. (Chuo-ku, Japan).

"Power conversion device, semiconductor switch drive device, and control method" was invented by Fumio Watanabe (Tokyo) and Tetsuya Okamoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor switch drive device (3) includes a drive unit (10), a power supply unit (20), a switch (39), and a control unit (50). The drive unit (10) supplies a control signal to a semiconductor switch (Q) of a main circuit (2) and drives the semiconductor switch (Q). The power supply unit (20) supplies electric power to the drive unit (10). The switch (39) cuts off supply of electric p...