ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,652, issued on March 31.
"Hig efficiency AC-DC converter" was invented by Jianping Fan (Hayward, Calif.) and Xiaoping Jin (Hayward, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high efficiency AC-DC converter with a single stage circuit on primary side to provide integrated functionalities of Power Factor Correction and isolated DC-DC conversion in combination with the isolation transformer and rectifier circuit on the secondary side. A plurality of operating methods of primary circuit are disclosed to realize the integrated power processing functions with zero voltage switching operation. A specific operating method of the secondary cir...