US Patent Issued to Canon on July 14 for "Switching power supply" (Japanese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,509, issued on July 14, was assigned to Canon K.K. (Tokyo).

"Switching power supply" was invented by Mitsunori Oshima (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switching power supply includes a rectifier unit that subjects the AC power supply to rectification, a smoothing capacitor that smooths a rectified voltage, a switching unit disposed in parallel with the smoothing capacitor, a voltage detection circuit disposed between the AC power supply and the rectifier unit, a first switch element disposed between the AC power supply and the voltage detection circuit, a second switch element disposed between the rectifier unit and ...