ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,308, issued on July 21, was assigned to ZTE Corp. (Shenzhen, China).

"Voltage conversion circuit, control method, power supply device, and storage medium" was invented by Rundong Liu (Shenzhen, China), Hong Wang (Shenzhen, China), Jianping Zhou (Shenzhen, China), Jingxuan Zhou (Shenzhen, China), Zhexu Li (Shenzhen, China) and Lingsong Yi (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A voltage conversion circuit, a control method, a power supply device, and a storage medium are provided. The circuit may include a fourth switch module, a third switch module, a first switch module, a second switch module and a ground lead which are se...