ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,790, issued on Sept. 30, was assigned to Apple Inc. (Cupertino, Calif.).

"PFC design technique for high peak load" was invented by Chanwit Prasantanakorn (Santa Clara, Calif.) and Bharat K Patel (San Martin, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power factor correction circuit can include an input that receives a rectified AC input voltage; at least one switching device operable to control an input current of the power factor correction circuit to be in phase with the rectified AC input voltage; and control circuitry that controls the at least one switching device to produce a clipped sinusoidal input current, thereby increasing p...