ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,366, issued on Aug. 25, was assigned to Halo Microelectronics Co. Ltd. (Foshan City, China).

"Switch control circuit and method, power conversion system" was invented by Yang Xu (Foshan City, China) and Wenchao Qu (Foshan City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switch control circuit comprises a comparison branch and a feedback branch. The comparison branch controls the turning off of the second power switch in the power conversion circuit based on the polarity of the voltage difference between the common node and the first voltage. The feedback branch generates a feedback signal based on the polarity of the first signal after t...