ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,490, issued on Feb. 3, was assigned to CHICONY POWER TECHNOLOGY Co. LTD. (New Taipei, Taiwan).

"Power supply system having auxiliary winding and blocking module" was invented by Chen-Chi Lin (New Taipei, Taiwan) and Sheng-Yu Hsu (New Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply system includes a primary side circuit, a secondary side circuit, an auxiliary winding, a blocking module, a control module, and a controller. The auxiliary winding is magnetically coupled to the secondary side winding and includes a first sub winding and a second sub winding in series. The auxiliary winding has a first tap at the dotted end of ...