| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 07/21/1999 | EP0930660A1 Piezoelectric progressive wave motor |
| 07/21/1999 | EP0929911A1 Method and device for charging and discharging a piezoelectric element |
| 07/14/1999 | EP0719472B1 Piezoelectric actuator device |
| 07/13/1999 | US5923619 Generator |
| 07/07/1999 | CN2328131Y Multifunctional supersonic motor driver |
| 07/06/1999 | US5920144 Vibrating actuator device |
| 07/06/1999 | US5920007 Particle sensor that distinguishes between particles and bubbles in a fluid |
| 07/01/1999 | DE19757528A1 Support for oscillation drive with piezo-electrically excited oscillation element |
| 06/30/1999 | EP0926808A2 A driving apparatus for a vibration type actuator |
| 06/30/1999 | EP0926746A2 Piezoelectric film type actuator and ink jet printer head having the same |
| 06/30/1999 | EP0926745A2 Ultrasonic motor and control circuitry thereof |
| 06/30/1999 | CN1221248A Motor control apparatus |
| 06/29/1999 | US5917271 Piezo-electric driving device |
| 06/29/1999 | US5917270 Vibration driven motor or actuator |
| 06/29/1999 | US5917269 Vibration wave driving device |
| 06/29/1999 | US5917268 Vibration driven motor |
| 06/29/1999 | US5917267 Linear drive mechanism using electromechanical conversion element |
| 06/29/1999 | US5917266 Control apparatus for intermittently driving actuator, powder feeder and servo system utilizing thereof |
| 06/24/1999 | WO1999031740A1 Conveying means and method |
| 06/24/1999 | DE19755490A1 Piezoelectric drive for providing ultrasound oscillations |
| 06/23/1999 | EP0924849A2 Motor control apparatus |
| 06/23/1999 | EP0924778A2 Driving circuit for at least two rotary elements with at least one piezoelectric actuator |
| 06/23/1999 | CN1220782A Power generator and portable device |
| 06/22/1999 | US5914555 Ultrasonic motor |
| 06/17/1999 | WO1999030374A1 Method for mounting external electrodes on semiconductor actuators |
| 06/17/1999 | WO1999030266A2 Remote energy supply process and system for an electronic information carrier |
| 06/17/1999 | DE19755893A1 Anordnung und Verfahren zur Energiefernversorgung eines elektronischen Informationsträgers System and method for remote power supply of an electronic information carrier |
| 06/17/1999 | DE19755601A1 Circuit arrangement for charging and/or discharging capacitative loads, especially piezo-actuators, for fuel injector of IC engine |
| 06/16/1999 | EP0923190A2 Driving apparatus for vibration type actuator apparatus |
| 06/16/1999 | EP0923144A2 Vibration type actuator and vibration type driving apparatus |
| 06/16/1999 | EP0923099A1 Micro-relay and method for manufacturing the same |
| 06/16/1999 | CN1220054A Piezoelectric actuator or motor, method therefor and method for fabrication thereof |
| 06/15/1999 | US5912527 Inertial positioner |
| 06/10/1999 | WO1999015281A9 Multilayer magnetostrictive transducer and magnetostrictive composite material for same |
| 06/10/1999 | DE19753930A1 Verfahren zur Anbringung von Außenelektroden an Festkörperaktoren Method of mounting external electrodes to solid-state actuators |
| 06/09/1999 | EP0921070A1 Aircraft flight control surface actuator |
| 06/02/1999 | EP0919292A2 Ultrasonic generator for minimizing heat input of magnetostrictive element and its manufacturing method |
| 06/02/1999 | EP0918593A1 Electromechanical actuator |
| 06/02/1999 | DE19751365A1 Ferrite drive system utilizing Curie temperature effect |
| 05/27/1999 | DE19808326A1 Diamond-based microactuator for ink jet spray heads |
| 05/26/1999 | EP0811252B1 Ultrasonic driving element |
| 05/25/1999 | US5907212 Apparatus provided with electro-mechanical transducer |
| 05/25/1999 | US5906294 Powder supplying device utilizing an ultrasonic motor |
| 05/19/1999 | EP0917214A2 Control method and apparatus for vibration wave motor |
| 05/18/1999 | US5905351 Actuator controller using periodic signal |
| 05/18/1999 | US5905327 Multi-functional ultrasonic motor and apparatus using the same |
| 05/14/1999 | WO1999023749A1 Method of power supply for electronic systems and device therefor |
| 05/12/1999 | EP0915277A2 Piezo-electric valve |
| 05/06/1999 | EP0913873A2 Vibration motor control apparatus and method |
| 05/04/1999 | US5900274 Dip coating piezoelectric material made of oxides of lead, zirocnium and titanium on a flat surface of the block to form different crystal structure than the block by dip coating, then dip coatings same oxide layers of variable ratios |
| 04/28/1999 | EP0910871A1 Piezo-active engine based on independent stator modules |
| 04/28/1999 | EP0910740A1 Fuel injection valve with a piezo-electric or magnetostrictive actuator |
| 04/27/1999 | US5898255 Piezoelectric actuator and method for manufacturing |
| 04/27/1999 | US5898243 Displacement device with a modular system of displacement units |
| 04/27/1999 | US5898164 Recording medium processing device having a vibration actuator and for use in an automatic device such as a pachinko machine |
| 04/22/1999 | DE19743299A1 Control device for fuel-injection valve needle |
| 04/21/1999 | EP0910127A2 Piezoelectric actuator |
| 04/21/1999 | EP0909223A1 Ultrasonic transducer with contact member |
| 04/21/1999 | EP0682403B1 Micromotor |
| 04/20/1999 | US5895998 Piezoelectric drive circuit |
| 04/15/1999 | WO1999018618A1 Method for low loss control of a capacitive load, in particular of a piezoelectric actuator |
| 04/15/1999 | DE19808327A1 Fuel injector has a piezoelectric or thermo-pneumatic micro-actuator |
| 04/14/1999 | EP0908961A1 Amplifier actuator of active materials |
| 04/14/1999 | EP0907421A1 Droplet mist generator |
| 04/08/1999 | WO1999017383A1 Piezo-electric element |
| 04/08/1999 | WO1999017014A1 Device for transmitting displacement, injection valve having such a device and method for the production of a transmission element |
| 04/08/1999 | DE19744236A1 Procedure for loss-free periodic control of capacitive load, especially piezoelectric actuator |
| 04/08/1999 | DE19742447A1 Travelling wave motor with temperature measuring device, e.g. for robot systems |
| 04/07/1999 | EP0907213A1 Improvements related to vibration wave motors |
| 04/06/1999 | US5892317 Vibration wave motor |
| 04/06/1999 | US5892316 Vibration actuator |
| 04/06/1999 | US5891577 Multilayer element and activators |
| 04/06/1999 | US5890391 Linear drive mechanism using electromechanical conversion element |
| 04/06/1999 | CA2137698C Tool horn for converting longitudinal vibration to torsional vibration |
| 04/01/1999 | WO1999015281A2 Multilayer magnetostrictive transducer and magnetostrictive composite material for same |
| 03/30/1999 | US5889350 Vibration type driving apparatus |
| 03/25/1999 | WO1999014813A1 Piezoelectric actuator with an electrical connection |
| 03/25/1999 | WO1998052274A3 High power ultrasonic motor |
| 03/25/1999 | DE19736275A1 Vibration reduction arrangement for brakes, especially hydraulic vehicle brakes |
| 03/24/1999 | EP0902986A1 Piezoelectric element and process for its production |
| 03/24/1999 | CN1211850A Circuit arrangement with piezoelectric transformer |
| 03/23/1999 | US5886483 Circuit for supplying a piezo-electric motor |
| 03/23/1999 | US5886455 Vibration driven motor |
| 03/23/1999 | US5886453 Method and apparatus for control of a supersonic motor |
| 03/18/1999 | WO1999013562A1 Diode device |
| 03/18/1999 | DE19740893A1 Chip card with electronically active logo |
| 03/18/1999 | DE19740570A1 Piezoelectric actuating device e.g. for injection valve |
| 03/17/1999 | EP0902488A1 Electrostrictive actuator |
| 03/17/1999 | CN1211353A Piezo-pyroelectric energy converter and method |
| 03/11/1999 | DE19820514A1 Translational rotational multi-actuator-motor e.g. piezoelectric actuator |
| 03/11/1999 | DE19746609A1 Rotational, translational piezo drive |
| 03/10/1999 | EP0901173A1 Piezoelectric actuator |
| 03/10/1999 | EP0901172A1 Piezoelectric actuator |
| 03/10/1999 | EP0901171A1 Electrostrictive actuator |
| 03/09/1999 | US5880542 Light reaction mass actuator |
| 03/03/1999 | EP0899797A2 Circuit with a piezoelectric transformer |
| 03/03/1999 | CN1209865A Piezoelectric actuator |
| 03/03/1999 | CN1209685A Cylindrical-shaped piezo ultrasonic micro-motor based on freely-bending vibration mode |
| 03/02/1999 | US5877579 Ceramic motor |
| 03/02/1999 | US5877411 Fluid sensor |