| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 04/13/2011 | CN1538612B Ultrasonic vibrator and ultrosonic electric machine |
| 04/13/2011 | CN102017388A Linear drive ultrasonic motor |
| 04/13/2011 | CN102017387A Linear drive ultrasonic motor |
| 04/13/2011 | CN102013837A Dandelion-like multi-directional broadband piezoelectric vibration energy collection device |
| 04/13/2011 | CN102013836A Universal weight acceleration generator |
| 04/13/2011 | CN102013835A Pedal type continuous vibration piezoelectric generating device |
| 04/13/2011 | CN102013834A Electrode segmentation type single drive and two-way piezoelectric motor |
| 04/13/2011 | CN102013833A Piezoelectric motor linear positioning method and device |
| 04/13/2011 | CN102013832A Ultrasonic linear motor and electric excitation method thereof |
| 04/13/2011 | CN102013755A Composite rigid actuator |
| 04/13/2011 | CN101189743B Piezoelectric element |
| 04/12/2011 | US7923901 Solid-state actuator drive apparatus |
| 04/12/2011 | US7923900 Ultrasonic motor |
| 04/12/2011 | US7923899 Ultrasonic actuator |
| 04/12/2011 | US7923898 Piezo drive system |
| 04/12/2011 | US7923064 Electroactive polymer manufacturing |
| 04/07/2011 | WO2010148312A3 Increased frequency power generation using low-frequency ambient vibrations |
| 04/07/2011 | US20110080121 Driving device |
| 04/07/2011 | US20110080069 Piezoelectric actuation structure including an integrated piezoresistive strain gauge and its production method |
| 04/07/2011 | DE10301822B4 Verfahren zur Bestimmung der Längenausdehnung eines piezoelektrischen Aktors Method for determining the longitudinal extension of a piezoelectric actuator |
| 04/07/2011 | DE102010034833A1 Regelung eines Aktuators mit aktivem Material unter Verwendung eines piezoelektrischen und piezoresistiven Effekts Control of an actuator with active material by using a piezoelectric and piezoresistive effect |
| 04/07/2011 | DE102006014606B4 Verfahren zur Herstellung eines gekapselten Hochdruckaktors A process for preparing an encapsulated Hochdruckaktors |
| 04/06/2011 | CN1581667B Method and device for the functional diagnosis of a piezoactuator in the fuel metering system of a combustion engine |
| 04/06/2011 | CN102005968A Petroleum drilling underground vibration power generating method and device |
| 04/06/2011 | CN102005967A Single drive micro piezoelectric motor for controlling steering with frequency |
| 04/06/2011 | CN102005966A Boundary condition-based single-drive two-way piezoelectric motor |
| 04/06/2011 | CN102005965A Ultrasonic motor driven by single-phase power supply |
| 04/06/2011 | CN102005964A Magnetostriction type inertial impact micro linear motor |
| 04/06/2011 | CN101586995B Multi-variant spherical travelling-wave ultrasonic motor moment measuring device |
| 04/06/2011 | CN101390226B Piezoelectric mems switches and methods of making |
| 04/06/2011 | CN101361204B Resonant actuator |
| 04/06/2011 | CN101309057B Ultrasonic energy supply apparatus of photoelectric current inductor |
| 04/05/2011 | US7919909 Integrated coupling structures |
| 03/31/2011 | US20110074564 Interior tire power generation apparatus and tire monitoring system using the same |
| 03/31/2011 | US20110074249 Polymer composite piezoelectric material and piezoelectric device using the same |
| 03/31/2011 | US20110074247 Systems and Methods for Resonance Frequency Tuning of Micromachined Structures |
| 03/31/2011 | US20110074245 Acoustic power generator and method for manufacturing the same |
| 03/31/2011 | US20110074164 Solar Thermal Power Generation Apparatus |
| 03/31/2011 | US20110074162 Energy harvester apparatus having improved efficiency |
| 03/31/2011 | US20110072900 Piezoelectric thin film and method of manufacturing the same, angular velocity sensor, method of measuring angular velocity by the angular velocity sensor, piezoelectric generating element, and method of generating electric power using the piezoelectric generating element |
| 03/31/2011 | DE102009029570A1 Piezoelektrischer Transformator mit einem multifunktionalen Innenelektrodenaufbau A piezoelectric transformer comprising a multi-functional inner electrode assembly |
| 03/30/2011 | EP2301770A2 Interior tire power generation apparatus and tire monitoring system using the same |
| 03/30/2011 | CN201781430U Aboard piezoelectric generating device |
| 03/30/2011 | CN201781305U Automatic power supply type speed measurer |
| 03/30/2011 | CN101997444A Novel piezoelectric energy recovery device |
| 03/30/2011 | CN101997443A Transparent vibration component and module thereof |
| 03/30/2011 | CN101997385A Generating device |
| 03/29/2011 | US7915965 Oscillator having reduced sensitivity to acceleration |
| 03/29/2011 | US7915788 Piezoelectric vibrator, manufacturing method thereof and linear actuator having the same |
| 03/24/2011 | US20110068718 Vibration-type motor controller and optical apparatus |
| 03/24/2011 | US20110068584 Method and device for energy generation |
| 03/24/2011 | DE102009029627A1 Arrangement for fuel injector for injecting fuel into combustion chamber of internal combustion engine, has actuator which is supported at actuator foot, where actuator foot has passage hole through which electrical line is extended |
| 03/24/2011 | DE102009029571A1 Piezo actuator for use in piezo injector for controlling fuel injection with combustion engine, has multilayer structure of piezoelectric layer, which is enclosed between inner electrodes of alternating polarity |
| 03/24/2011 | DE102009029521A1 Piezoelectric actuator for actuating selector valve in fuel injection system to control fuel injection in internal combustion engine of motor vehicle, has contact surface between partial area of electrode windings and metallization layer |
| 03/24/2011 | DE102009029489A1 Piezo actuator module has piezo actuator which is enclosed in casting compound and overlaid sleeve, where light-transmissive sleeve and jointing compound which is thermoset by ultra violet light |
| 03/23/2011 | EP2299483A2 Rigid dual-servo nano stage |
| 03/23/2011 | EP2297799A1 Autonomous piezoelectric device for generating an electrical voltage |
| 03/23/2011 | CN201774478U Pedestrian flow treading pressure generating device |
| 03/23/2011 | CN101990738A Actuator array sheet |
| 03/23/2011 | CN101990717A Bender transducer for generating electrical energy from mechanical deformations |
| 03/23/2011 | CN101452106B Lens module |
| 03/22/2011 | US7911115 Monolithic electroactive polymers |
| 03/22/2011 | US7911114 Impact drive actuator |
| 03/22/2011 | US7911112 Ultrasonic actuator |
| 03/22/2011 | US7908856 In-line stirling energy system |
| 03/22/2011 | US7908722 Process for the preparation of piezoelectric crystal elements |
| 03/17/2011 | US20110063970 Moving apparatus and information recording/reproducing apparatus |
| 03/17/2011 | US20110062823 Vibration wave driving device |
| 03/17/2011 | DE102009029412A1 Fuel injector has hydraulic coupler unit equipped with coupler piston and valve piston, where coupler piston and valve piston are guided together in coupler body in axially movable manner |
| 03/17/2011 | DE102009026847A1 Method for current feeding of piezo-actuating actuator, particularly in injector system with injection hydraulic, involves determining charging voltage process of actuator in charging voltage interval |
| 03/16/2011 | CN1874134B Ultrasound electrical motor, and driving method |
| 03/16/2011 | CN101558506B Laminated piezoelectric element, jetting device provided with the laminated piezoelectric element, and fuel jetting system |
| 03/16/2011 | CN101383566B Embedded drive controller based on ARM of ultrasonic motor |
| 03/10/2011 | WO2011028780A2 Piezoelectric rotary motor with high rotation speed and bi- directional operation |
| 03/10/2011 | WO2011027763A1 Actuator, drive device, and camera module |
| 03/10/2011 | WO2011027742A1 Piezoelectric actuator and optical scan device with piezoelectric actuator |
| 03/10/2011 | US20110057547 Apparatus and method for harvesting energy |
| 03/10/2011 | US20110057546 Piezoelectric based energy supply using independent piezoelectric components |
| 03/10/2011 | US20110057544 Ultrasonic motor |
| 03/10/2011 | US20110057543 Vibratory actuator |
| 03/10/2011 | US20110057542 Ultrasonic motor mechanism |
| 03/10/2011 | US20110057458 Piezoelectric energy harvester and method of manufacturing the same |
| 03/10/2011 | DE10147666B4 Piezoelement und Verfahren zur Herstellung eines Piezoelements Piezoelectric element and method for manufacturing a piezoelectric element |
| 03/09/2011 | EP1435129B1 High voltage generator, especially for using as a noise frequency generator |
| 03/09/2011 | CN101984550A Flexible hinge based clamping and positioning device for linear ultrasonic motor |
| 03/09/2011 | CN101984549A Clamp positioning device for linear ultrasonic motor |
| 03/09/2011 | CN101060291B Transformer-free ultrasonic motor driver |
| 03/08/2011 | US7902724 Inertial driving actuator |
| 03/08/2011 | US7902723 Screw thread driving polyhedral ultrasonic motor |
| 03/08/2011 | US7902720 High-voltage driver and piezoelectric pump with built-in driver |
| 03/08/2011 | US7901800 Piezoelectric element |
| 03/03/2011 | US20110050042 Apparatus for generating electrical energy and method for manufacturing the same |
| 03/03/2011 | US20110050038 Piezoelectric rotary motor with high rotation speed and bi-directional operation |
| 03/03/2011 | US20110050035 Ultrasonic motor |
| 03/03/2011 | DE102010008280A1 Energiegewinnung aus Fahrzeugschwingungen unter Verwendung piezoelektrischer Einrichtungen Energy from vehicle vibrations using piezoelectric devices |
| 03/03/2011 | DE102009049718B3 Piezoelektrischer Mehrschichtaktuator Piezoelectric Mehrschichtaktuator |
| 03/03/2011 | DE102009038169A1 Actuator unit for injection valve of internal combustion engine of vehicle, comprises electronic component formed as stack, multiple electrode layers, and multiple material layers reacting to application of electrical field |
| 03/03/2011 | DE102009028915A1 Controlling system for operating micro impact drive, particularly in motor vehicle, has actuating element for carrying out back and forth movement in dependence of controller with electrical controlling variable |
| 03/02/2011 | EP2290721A1 Environmentally powered electroactive polymer generators |
| 03/02/2011 | EP2290720A2 Ultrasonic motor |