ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,079, issued on Jan. 27, was assigned to Apple Inc. (Cupertino, Calif.).
"Magnetic stiffness reduction for audio transducers" was invented by Stuart M. Nevill (Los Gatos, Calif.), Andrew M. Hulva (Gilroy, Calif.), Chanjuan Feng (San Jose, Calif.), Martial A. Rousseau (Saratoga, Calif.) and Scott P. Porter (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the subject technology relate to stiffness reduction for audio transducers, such as speakers. Stiffness reduction can be provided using one or more magnetic structures configured to move with a voice coil and/or a diaphragm of the speaker, and assist in the motion of the voi...