ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,760, issued on March 3, was assigned to GUANGDONG SNC TECHNOLOGY Co. LTD. (Zhongshan, China).

"LED lamp drive system with emergency power supply thereof" was invented by Jianyong Xu (Zhongshan, China), Zhengwen Huang (Zhongshan, China), Linguang Zhang (Zhongshan, China) and Hui Tang (Zhongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an LED lamp drive system with an emergency power supply thereof configured to detect an input voltage of an electric supply network or an emergency power supply to determine whether the LED lamp drive system is during in an emergency working mode or a mains power working mode...