US Patent Issued to Halo Microelectronics on Feb. 17 for "Power supply circuit, power supply method and electronic device" (Chinese Inventor)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,108, issued on Feb. 17, was assigned to Halo Microelectronics Co. Ltd. (Foshan, China).

"Power supply circuit, power supply method and electronic device" was invented by Changwei Lin (Foshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply circuit includes a rectifier branch, a switch branch, a capacitor branch and a control branch. The rectifier branch is used for rectifying an AC power source to output a first power supply. The control branch is used to output a first driving signal for a first time when an absolute value of an AC voltage of the AC power source is less than a first voltage threshold, or when an absolute value o...