ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,747, issued on May 20, was assigned to LEADTREND TECHNOLOGY Corp. (Zhubei, Taiwan).
"Control method and power controller for flyback power converter" was invented by Hsin Hung Lu (Zhubei, Taiwan), San-Yi Li (Zhubei, Taiwan) and Hung-Ting Hsu (Zhubei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control method is disclosed to have a voltage sample capable of more correctly representing an output voltage of a power converter. The power converter has a primary side and a secondary side galvanically isolated from each other. A feedback voltage is received in the primary side. A main power switch is turned OFF, starting an OFF time, during whi...