ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,481, issued on Nov. 18, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).
"Uninterruptible power supply" was invented by Gouyi Chen (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An uninterruptible power supply. A rectifier of the uninterruptible power supply includes six first rectifier diodes, six second rectifier diodes, three alternating current side relays, six direct current side relays, a DC/DC conversion unit, and a controller. The other end of each alternating current side relay is connected to anodes of two first rectifier diodes, and cathodes of the two first rectifier diodes are respectively c...