ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,515, issued on Dec. 16, was assigned to FANUC Corp. (Yamanashi, Japan).
"Resonance power supply circuit" was invented by Kazuya Goto (Yamanashi, Japan) and Yoshinori Sakai (Yamanashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The resonance power supply circuit is provided with a transformer provided with primary and secondary winding wires, first and second switching elements for applying a rectangular wave voltage to one end of the primary winding wire, a resonance capacitor connected to the other end of the primary winding wire, and a control unit that alternately turns on and off the first and second switching elements. The resonance p...