ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,024, issued on June 30, was assigned to Apple Inc. (Cupertino, Calif.).
"Quasi-planar transformer construction" was invented by Balal Khan (Guilford, Conn.), Vijay G Phadke (San Jose, Calif.) and Prudhvi Mohan Maddineni (Santa Clara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic core for use with a printed circuit board transformer can include one or more inside corners of the magnetic core formed to include a curved channel that serves as a strain relief and facilitates positioning a printed circuit board within a core window defined by the core. The magnetic core can be an E-core. A center post of the E-core can define a notch c...