ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,783, issued on Oct. 14, was assigned to Cochlear Ltd. (Macquarie University, Australia).
"Electromagnetic transducer with piezoelectric spring" was invented by Armin Azhirnian (Molnlycke, Sweden), Henrik Fyrlund (Molnlycke, Sweden) and Tommy Bergs (Molnlycke, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a bobbin, at least one counterweight assembly, and at least one spring. The bobbin includes at least one core and at least one electrically conductive coil wound around at least a portion of the bobbin. The at least one counterweight assembly is configured to move in response to magnetic fields generated by the bobbin. ...