ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,875, issued on Jan. 13, was assigned to FOSHAN SHUNDE MIDEA ELECTRIC SCIENCE AND TECHNOLOGY Co. LTD. (Foshan, China) and GD MIDEA AIR-CONDITIONING EQUIPMENT Co. LTD. (Foshan, China).

"Voltage control method and apparatus, household device, computer storage medium, and computer program" was invented by Ming Zhao (Foshan, China), Zhaobin Huang (Foshan, China), Tan Long (Foshan, China), Xianshi Wen (Foshan, China), Dong Wei (Foshan, China) and Zhenghui Huang (Foshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A voltage control method includes obtaining two half-bus voltages at a direct current side of a three-level converter, overvoltage prot...