ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,210, issued on July 21, was assigned to HUAWEI DIGITAL POWER TECHNOLOGIES Co. LTD. (Shenzhen, China).

"Power supply circuit and control method thereof" was invented by Baoguo Chen (Dongguan, China), Hua Jiang (Shenzhen, China), Yiyi Huang (Dongguan, China) and Hui Dong (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply circuit may include a plurality of first switches, a plurality of second switches, and a third switch. The plurality of first switches may be in a one-to-one correspondence with the plurality of load units, and the plurality of second switches may be in a one-to-one correspondence with the plurality of load un...