ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,748, issued on May 20, was assigned to Joulwatt Technology Co. Ltd. (Hangzhou, China).
"Control method and control circuit of switched-mode power supply, and switched-mode power supply" was invented by Xianghua Jiang (Hangzhou, China) and Xiangyong Xu (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control method and control circuit of a switched-mode power supply, and the switched-mode power supply are provided. An operating mode of the switched-mode power supply is controlled in a first mode and a second mode according to an output feedback signal of the switched-mode power supply. One operating period of the first mode includes ...