ALEXANDRIA, Va., July 7 -- United States Patent no. 12,677,361, issued on July 7, was assigned to O2Micro Inc. (Santa Clara, Calif.).
"Transformer-based light-source driving systems" was invented by Kaiping Ran (Fremont, Calif.), Sheng-Tai Lee (Taipei City, Taiwan) and Weiwei Song (Wuhan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-source driving system includes a first controller, a switch circuit, and a second controller. The first controller is configured to control power transferred from a primary winding of a transformer to a first secondary winding and a second secondary winding of the transformer according to a load of a system circuit powered by the second secondary winding. The swit...