ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,932, issued on Sept. 23, was assigned to HUAWEI DIGITAL POWER TECHNOLOGIES Co. LTD. (Shenzhen, China).

"High power factor rectifier circuit and power converter" was invented by Ken Chin (Shenzhen, China), Yuanjun Liu (Shenzhen, China), Zhixiang Hu (Dongguan, China) and Wei Zhang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high power factor rectifier circuit includes a totem pole power factor correction (PFC) circuit, a sampling resistor, a power suppl a PFC controller, and a filter. The totem pole PFC circuit includes two bridge arm units connected in parallel between a first parallel connection point and a second parallel con...