ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,579, issued on April 29, was assigned to RION Co. LTD. (Tokyo).
"Electromechanical transducer" was invented by Takashi Iwakura (Kokubunji, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This electromechanical transducer includes a pair of magnets, a pair of yokes that each comprise a plurality of yoke components superposed over each other in a flat-plate-form region and that guide magnetic fluxes generated by the magnets, a hollow-core coil to which an electric signal is supplied, an armature passed through a space inside a structural section formed by integrally arranging the magnets and the coil on the inner sides of the pair of yokes, and a ...