ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,695, issued on May 20, was assigned to Santak Electronic (Shenzhen) Co. Ltd. (Shenzhen, China).
"Uninterruptible power supply" was invented by Zhimin Shen (Shenzhen, China), Yanren Chen (Shenzhen, China) and Jun Yang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides an uninterruptible power supply, including: an alternating current input terminal, configured to connect to mains electricity; an alternating current output terminal, configured to connect to a load; a rectifier and an inverter sequentially connected between the alternating current input terminal and the alternating current output terminal, where dir...