ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,281, issued on Sept. 30, was assigned to Apple Inc. (Cupertino, Calif.).
"Quasi-planar transformer construction" was invented by Vijay G Phadke (San Jose, Calif.), Prudhvi Mohan Maddineni (Santa Clara, Calif.) and Balal Khan (Guilford, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quasi-planar transformer can include a first winding comprising one or more turns of wire, a second winding comprising one or more turns of a conductive trace disposed on a printed circuit board, and a magnetic core positioned with respect to the first and second windings so as to provide a magnetic flux path coupling the first and second windings. The first wind...