US Patent Issued to CANON on Sept. 15 for "Power source device, image forming apparatus and device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,861, issued on Sept. 15, was assigned to CANON K.K. (Tokyo).

"Power source device, image forming apparatus and device" was invented by Mitsunori Oshima (Shizuoka, Japan) and Hiromitsu Kumada (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power source device of a full bridge system includes a rectifying circuit, a smoothing capacitor and a bridge circuit including first through forth switching elements. The first through forth switching elements are provided with first through fourth capacitors connected thereto in parallel, respectively. When combined capacitances of electrostatic capacitances between drain terminals and source t...