ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,817, issued on Jan. 13, was assigned to Envision Energy Technology Pte Ltd. (Singapore).

"Standby power supply and method for operating same" was invented by Xinyu Zhang (Jiangsu, China), Jin Wen (Jiangsu, China), Qihui Xu (Jiangsu, China), Zichen Hu (Jiangsu, China) and Wei Gu (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a standby power supply, including: a first sub power supply configured to provide alternating current electrical energy, where the first sub power supply is connected to an input terminal of an alternating current/direct current (AC/DC) converter; the AC/DC converter configured to...