ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,223, issued on May 12, was assigned to Delta Electronics (Shanghai) Co. Ltd. (Shanghai).
"Control method for resonant conversion circuit" was invented by Wen Zhang (Shanghai), Hong Liu (Shanghai) and Baihui Song (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control circuit for a resonant conversion circuit is provided. The resonant conversion circuit includes a switching circuit, a resonant network and a rectifier circuit. Firstly, a starting point of an operating trajectory with a plurality of trajectory segments is determined according to a sampling data sampled at a first switching time point. Then, the starting point of each trajecto...