ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,062, issued on Oct. 14, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).
"Bipolar power supply system and control method" was invented by Xinyu Yu (Shanghai) and Kai Xin (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A voltage conversion unit includes a positive voltage conversion apparatus and a negative voltage conversion apparatus. The inverter unit includes a positive inverter and a negative inverter. A negative output end of the positive voltage conversion apparatus and a positive output end of the negative voltage conversion apparatus are connected to a first end of a neutral wire, and a negative input en...