ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,434, issued on June 24, was assigned to Apple Inc. (Cupertino, Calif.).
"Power supply with active power buffer" was invented by Yantao Song (Northville, Mich.), Chanwit Prasantanakorn (Santa Clara, Calif.), Bharat K Patel (San Martin, Calif.) and Abby Cherian (Fremont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power converter can include a rectifier that receives an AC input voltage and produces a rectified output voltage, a power factor correction (PFC) converter having an input coupled that receives the rectified output voltage of the rectifier and an output that provides an intermediate DC bus voltage, a DC-DC converter having an in...