US Patent Issued to TDK on Dec. 16 for "Switching power supply apparatus and electric power supply system" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,516, issued on Dec. 16, was assigned to TDK Corp. (Tokyo).

"Switching power supply apparatus and electric power supply system" was invented by Masahiko Hirokawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switching power supply apparatus includes a pair of input terminals, a pair of output terminals, a transformer, an inverter circuit, a rectifying and smoothing circuit, and a controller. The inverter circuit includes first and second switching devices, a resonant inductor, and a resonant capacitor. The controller controls a switching operation of each of the first and second switching devices. The first and second switching devices are ...