| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 03/30/2000 | WO2000017943A1 Discharging circuit for a capacitive actuator |
| 03/30/2000 | DE19858085C1 Control drive for fuel injector for internal combustion engine |
| 03/30/2000 | DE19841002C1 Verfahren zur Diagnose eines Kurzschlusses an einem kapazitiven Stellglied A method for diagnosing a short-circuit of a capacitive actuator |
| 03/30/2000 | DE19832817A1 Laser beam deflection device e.g. for graphic projection, has 2 independently mounted piezo elements controlled by deflection voltages for scanning laser beam across all points of defined surface |
| 03/28/2000 | US6043587 Piezoelectric actuator |
| 03/28/2000 | US6043586 Vibration actuator |
| 03/28/2000 | US6042587 Foldable lens delivery system |
| 03/23/2000 | DE19928140A1 Compensating sound waves with electroactive drive, using actuators arranged vibrating in housing forming at least one drive element with at least two actuator pairs together with clamping actuators and hub actuator |
| 03/23/2000 | DE19909452C1 Multilayered laminate piezoelectric actuator for activating control valves or injection valves in motor vehicles consists of layers of piezoelectric material and metallic, conductive layers in between serving as electrodes. |
| 03/22/2000 | EP0986704A1 Device and method for controlling at least one capacitive actuator |
| 03/22/2000 | EP0986702A1 Method for controlling at least one capacitive actuating element |
| 03/16/2000 | DE19841460A1 Fuel injection valve control method for combustion engine |
| 03/14/2000 | US6037702 Vibrating actuator |
| 03/14/2000 | US6037701 Vibration type actuator apparatus |
| 03/08/2000 | EP0983614A1 Method and device for determining the temperature of a piezo-electric element |
| 03/08/2000 | CN1246914A Motors, and bearings therefor |
| 03/08/2000 | CN1050244C Driving power for exciting of piezoelectric device |
| 03/07/2000 | US6034466 Amplifier for amplification of a microactuator |
| 03/07/2000 | US6033180 Rotor blade with a rotary spoiler |
| 03/02/2000 | DE19829216C1 Elektromechanischer Wandler und Verfahren zur Herstellung Electromechanical transducer and methods for making |
| 03/01/2000 | EP0982781A1 Vibration actuator |
| 02/29/2000 | US6031316 Vibration actuator apparatus |
| 02/24/2000 | DE19836561A1 Piezo-transformer operating method e.g. for emissions control of internal combustion engine |
| 02/23/2000 | EP0980600A2 Actuators and apparatus |
| 02/23/2000 | CN2365816Y Creeping piezoelectric/electrostrictive micro-feeding positioning apparatus |
| 02/17/2000 | WO2000008353A1 Piezoelectric actuator unit |
| 02/16/2000 | EP0980102A1 Improvements related to vibration wave motors |
| 02/16/2000 | CN2364622Y High-accuracy axial driven special ring piezoelectric driver |
| 02/15/2000 | US6025671 Piezoelectric actuator |
| 02/15/2000 | US6023980 High-cycle fatigue test machine |
| 02/10/2000 | WO1999015281A3 Multilayer magnetostrictive transducer and magnetostrictive composite material for same |
| 02/10/2000 | DE19930585A1 Piezo actuator for drive for diesel injection valve |
| 02/10/2000 | DE19834461A1 Vielschicht-Piezoaktor Multilayer piezoelectric actuator |
| 02/10/2000 | DE19833905A1 Precision piezoelectric positioner for sample stage comprises individual piezoelectric elements connected electrically and mechanically in series |
| 02/10/2000 | DE19833904A1 Sample stage positioner offering lift and tilt down to picometer range under low temperatures comprises metal bellows containing expansible medium and electrical heater |
| 02/09/2000 | EP0978887A2 Ultrasonic motor and electronic apparatus having ultrasonic motor |
| 02/09/2000 | EP0978148A1 Piezoelectric actuator |
| 02/08/2000 | US6021552 Method of manufacturing a piezoelectric actuator |
| 02/03/2000 | DE19833782A1 Antriebsanordnung für einen Schreibkopf Drive assembly for a write head |
| 02/02/2000 | EP0977285A1 Pressure loading for piezoelectric actuator |
| 02/02/2000 | EP0977284A1 Multilayer piezoelectric actuator |
| 02/02/2000 | EP0976566A1 Driving arrangement for printhead |
| 02/02/2000 | EP0976166A2 Piezoelectric actuator with a hollow profile |
| 02/02/2000 | EP0976165A1 Piezo actuator with novel contacting and production method |
| 02/02/2000 | EP0976164A1 Method for electrical control of piezoelectric or electrostrictive actuators in drive mechanisms for step-by-step motion |
| 02/02/2000 | CN1243210A Actuating mechanism |
| 02/01/2000 | US6020674 Torsional electrostrictive actuators |
| 02/01/2000 | US6020673 Drive method and drive device of vibration actuator |
| 02/01/2000 | US6020215 Process for manufacturing microstructure |
| 01/27/2000 | WO2000004590A1 Method and device for controlling at least one capacitive actuator |
| 01/27/2000 | DE19857247C1 Piezoelectric actuator for actuating control or injection valves in motor vehicle internal combustion engines |
| 01/27/2000 | DE19831692A1 Hybrid energy recovery system that has solar cells and also collects wind energy provided by movement of cells on a flexible structure |
| 01/26/2000 | EP0828935B1 Injection valve |
| 01/26/2000 | CN1242645A Rotary type travelling wave ultrasonic motor, apparatus for driving curtain to be opened or closed using same |
| 01/25/2000 | US6018213 Ultrasonic motor |
| 01/20/2000 | DE19831599A1 Control method for controlling capacitive actuator esp. piezo-actuator for fuel injection valve of combustion (IC) engine |
| 01/18/2000 | US6016231 Drive mechanism employing electromechanical transducer and apparatus employing the mechanism |
| 01/18/2000 | US6016040 Device and method for driving at least one capacitive actuator |
| 01/18/2000 | US6016023 Tubular ultrasonic transducer |
| 01/13/2000 | WO2000002265A1 Electromechanical converter and method for producing the same |
| 01/13/2000 | DE19929589A1 Engine fuel injector includes valve in which closure and seat act as switch, sending corrective trigger signals to circuit for piezoelectric actuator |
| 01/12/2000 | CN1241322A Actuator, and clock and annunciator mounted with same |
| 01/12/2000 | CN1241300A Method and device for controlling at least one capacitive actuator |
| 01/05/2000 | EP0969528A1 Drive control for vibration wave motor |
| 01/05/2000 | DE19827948A1 Frequency regulation method for series tuned piezoelectric transducer |
| 01/04/2000 | US6011346 Apparatus and method for generating electricity from energy in a flowing stream of fluid |
| 01/04/2000 | US6011345 Device and method for controlling transductive systems |
| 12/29/1999 | WO1999067528A1 Fuel injection valve and pressure sensor combination |
| 12/29/1999 | EP0967666A1 Motor |
| 12/23/1999 | WO1999066197A1 Liquid control valve |
| 12/23/1999 | WO1999066194A1 Liquid control valve |
| 12/23/1999 | DE19827575A1 Ceramic passive electronic component useful as an actuator, a sensor, a nonlinear resistor or a multilayer capacitor |
| 12/23/1999 | DE19827574A1 Ceramic passive electronic component useful as a multilayer capacitor, actuator, coil or ferrite ceramic for a video head |
| 12/23/1999 | DE19827287A1 Fuel injection valve-pressure sensor combination for fuel injection system |
| 12/23/1999 | DE19827170A1 Piezoelectric element expansion control method e.g. for setting element for i.c. engine fuel injection valve |
| 12/23/1999 | DE19827053A1 Discharge method for piezoelectric element e.g. piezoelectric setting element for i.c. engine fuel injection valve |
| 12/23/1999 | DE19827052A1 Expansion control method for piezoelectric element e.g. piezoelectric setting element for i.c. engine fuel injection valve |
| 12/22/1999 | EP0966049A1 Piezo-electric motor with integrated position sensor |
| 12/21/1999 | US6005723 Lens movable in a perpendicular direction to the optical axis |
| 12/21/1999 | US6005328 Driving device and method for ultrasonic wave motor |
| 12/16/1999 | DE19826341A1 Ventil zum Steuern von Flüssigkeiten Valve for controlling fluids |
| 12/16/1999 | DE19826339A1 Ventil zum Steuern von Flüssigkeiten Valve for controlling fluids |
| 12/09/1999 | WO1999063653A1 Method and apparatus for detecting position, ultrasonic motor, and method of driving ultrasonic motor |
| 12/08/1999 | EP0963033A1 Actuator, and clock and annunciator mounted with the same |
| 12/08/1999 | EP0962992A1 Piezoelectric or magnetostrictive actuator device |
| 12/08/1999 | EP0962991A1 Driving apparatus for a vibration type actuator |
| 12/08/1999 | CN2353091Y Piezo-electric motor |
| 12/07/1999 | US5998938 Circuit arrangement with a piezoelectric transformer |
| 12/02/1999 | WO1999061827A1 Electrically controllable valve |
| 12/02/1999 | DE19823408A1 Increasing force and displacement of electro mechanical converters |
| 12/01/1999 | EP0961329A1 Stacked-type piezoelectric actuator |
| 12/01/1999 | EP0960286A1 Motors, and bearings therefor |
| 12/01/1999 | EP0664203B1 Tool horn for converting longitudinal vibrations to torsional vibrations |
| 11/30/1999 | US5994819 Driving apparatus using transducer |
| 11/30/1999 | CA2174515C Piezoelectric vibrator for ultrasonic motor, process for producing the same, method of mounting piezoelectric vibrator and ultrasonic motor |
| 11/25/1999 | WO1999045631A3 Actuators and apparatus |
| 11/25/1999 | DE19921066A1 Solar energy conversion system |
| 11/24/1999 | EP0959268A2 A mechanism for driving a screw rod by supersonic vibration |
| 11/24/1999 | EP0958649A2 High torque ultrasonic motor system |
| 11/24/1999 | EP0958620A1 Piezo electric actuator with a new type of contacting and a method for the production thereof |