ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,983, issued on Sept. 29, was assigned to Ark HDPS Semiconductor Pte. Ltd. (Singapore).

"Controller and control method for an asymmetric half-bridge power supply" was invented by Yi-Lun Shen (Taipei City, Taiwan) and Yu-Yun Huang (Taipei City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A controller and a control method for an asymmetric half-bridge power supply are disclosed. The asymmetric half-bridge power supply includes a first arm switch and a second arm switch forming a half-bridge, and a resonant circuit connected to the half-bridge. The method includes providing a duration parameter reflecting a second turn-on time of the second a...