ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,311, issued on June 30, was assigned to DELTA ELECTRONICS INC. (Taoyuan City, Taiwan).

"Three-phase resonant converter and method of controlling the same" was invented by Te-Chih Peng (Taoyuan City, Taiwan), Chao-Fong Chang (Taoyuan City, Taiwan) and Ming-Hsiang Lo (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A three-phase resonant converter includes a three-phase transformer, an input bridge arm assembly, an output bridge arm assembly, and a control unit. The input bridge arm assembly has three input switch arms, and each input switch arm has an upper switch and a lower switch. The output bridge arm assembly has three output...