ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,752, issued on Nov. 3, was assigned to SHENZHEN BILLDA TECHNOLOGY Co. LTD (Shenzhen, China).

"Communication circuit between emergency power supply and conventional power supply" was invented by Jianjun Ke (Shenzhen, China), Peizhi Chen (Shenzhen, China), Xiaobing Liu (Shenzhen, China) and Qiu Feng (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a communication circuit between an emergency power supply and a conventional power supply, including an emergency power supply, a conventional power supply, a sending data line, and a receiving data line, where the sending data line and the receiving data line are connected to the c...