Patent 7453186 was granted and assigned to Image Acoustics Inc on November, 2008 by the United States Patent and Trademark Office.
An electromechanical transducer which provides orthogonal translated motion to a piston through an attached lever arm connected to and driven by at least two electromechanical cantilever members, mounted on a separate inertial tail mass, and which under full array loading conditions provide a reduced resonance frequency that yields velocity control in the vicinity of that resonance.