ALEXANDRIA, Va., April 2 -- United States Patent no. 12,266,954, issued on April 1, was assigned to Shenzhen Klclear Technology Co. LTD (Guangdong, China).

"Power-supplying and driving circuit of active equalization matrix switch of battery management system of vehicle" was invented by Liangqin Su (Guangdong, China), Yunping Hu (Guangdong, China), Baodong Zhang (Guangdong, China) and Yangyuan Zhang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a power-supplying and driving circuit of an active equalization matrix switch of a battery management system of a vehicle. The power-supplying and driving circuit includes a boost circuit, a constant current source circuit and a driver. ...