| Patent Number |
Title Of Patent |
Date Issued |
| 7372776 |
Modal acoustic array transduction apparatus |
May 13, 2008 |
| A transduction apparatus, which employs an array of individual transducers that generates multiple acoustic radiation modes, is described. These modes are used together to yield directional steered beam patterns. In one embodiment separate transducers, clustered in the form of a ring |
| 7292503 |
Multi piston electro-mechanical transduction apparatus |
November 6, 2007 |
| An electro-mechanical transducer, which provides radial amplified multiple piston motion is formed from attached multiple lever arms and multiple electro-mechanical drivers. The piston motion is amplified by lever arms, which are attached to electro-mechanical drivers, such as piezoelect |
| 6950373 |
Multiply resonant wideband transducer apparatus |
September 27, 2005 |
| An electro-mechanical transducer is disclosed, which provides a wideband response by activating successive multiple resonant frequencies in a way which provides additive output between the resonant frequencies. A three mode wideband high output transducer is also disclosed along with an |
| 6734604 |
Multimode synthesized beam transduction apparatus |
May 11, 2004 |
| An electro-mechanical transducer, which provides beam patterns synthesized from the vibration modes of the transducer. A preferred form of the transducer is a short piezoelectric tube or ring with separate electrodes spaced around the ring for specific excitation of the monopole, dipole |
| 6654316 |
Single-sided electro-mechanical transduction apparatus |
November 25, 2003 |
| An electro-mechanical transducer, which provides amplified piston motion from an orthogonal drive direction wherein the electro-mechanical drive additionally provides the inertial reactive mass for the moving mass of the piston. The piston motion is amplified by lever arms, which are |
