| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 06/30/2009 | US7554251 Multi-layer piezoelectric element and method for manufacturing the same |
| 06/25/2009 | US20090161239 Camera diaphragm and lens positioning system employing a dielectrical polymer actuator |
| 06/25/2009 | US20090160291 Piezoelectric actuator |
| 06/25/2009 | DE102008013782A1 Piezoelectric bending transducer, particularly for generating electrical energy, has deflecting flexible element with piezo modules, and component that is provided for driving flexible element during its deflection movement |
| 06/25/2009 | DE102007062909A1 Sensor Sensor |
| 06/25/2009 | DE102007062338A1 Rotationsdruckmaschine mit energieautarken Sensorsystemen Rotary printing machine with energy-autonomous sensor systems |
| 06/25/2009 | DE102007061386A1 Rotationsdruckmaschine mit Leichtbauelementen Rotary printing machine with lightweight elements |
| 06/25/2009 | DE102007060167A1 Piezoaktor mit einem Multilagenaufbau von Piezoelementen und ein Verfahren zu dessen Herstellung Piezoelectric actuator with a multilayer structure of piezo elements and a method for its preparation |
| 06/25/2009 | DE102007059540A1 Method e.g. for operating piezoelectric actuator, involves operating piezoelectric actuator such as fuel injection valve of burning engine of motor vehicle |
| 06/24/2009 | EP2073369A1 Vibration actuator |
| 06/24/2009 | CN100503244C Piezoelectric element, fabrication method for the same, and inkjet head, inkjet recording apparatus and angular velocity sensor including the same |
| 06/23/2009 | US7550897 Electronic drive system for a droplet spray generation device |
| 06/23/2009 | CA2403562C Vibratory motor and method of making and using same |
| 06/18/2009 | US20090153936 Fiber based mems |
| 06/18/2009 | US20090153935 Actuator |
| 06/18/2009 | US20090153832 Apparatus and method for isolating vibrations in a lithography machine using two active control units |
| 06/18/2009 | US20090152995 Electroactive polymer transducers biased for increased output |
| 06/18/2009 | US20090152989 Ferroelectric energy generator, system, and method |
| 06/18/2009 | US20090152988 Ultrasonic motor |
| 06/18/2009 | US20090152986 Piezoelectric power supply |
| 06/18/2009 | US20090152985 Image stabilization control circuit, imaging device, and piezoelectric actuator drive circuit |
| 06/18/2009 | US20090152984 Piezoelectric actuator control circuit, image stabilization control circuit, and imaging device |
| 06/18/2009 | DE102007060052A1 Anordnung mit einem Piezoaktor mit mehreren Aktiv- und/oder zusätzlichen Sensorbereichen Arrangement with a piezoelectric actuator with a number of active and / or additional sensor areas |
| 06/18/2009 | DE102007052494A1 Piezoelektrische Antriebsvorrichtung Piezoelectric drive unit |
| 06/17/2009 | EP2070188A1 Device and method for the online position initialization of an actuating drive, particularly of a piezoelectric ring motor |
| 06/16/2009 | US7548408 Capacitor and its manufacturing method |
| 06/16/2009 | US7548013 High temperature piezo buzzer |
| 06/16/2009 | US7548010 Active material based actuators for large displacements and rotations |
| 06/16/2009 | US7548009 Miniature motor |
| 06/11/2009 | WO2009073561A1 Variable operating voltage in micromachined ultrasonic transducer |
| 06/11/2009 | WO2009072304A1 Vibration actuator and imager |
| 06/11/2009 | WO2009072302A1 Ultrasonic actuator |
| 06/11/2009 | WO2009072301A1 Driving apparatus |
| 06/11/2009 | US20090146602 Driving apparatus |
| 06/11/2009 | US20090146534 Piezoelectric Generator |
| 06/11/2009 | US20090146529 Starting-process controller for starting a piezomotor |
| 06/11/2009 | US20090146528 Hybrid control circuit |
| 06/10/2009 | EP1834400A4 Nanomechanical oscillator |
| 06/10/2009 | DE202009002814U1 Piezoelektrischer Druckgenerator zur Erzeugung elektrischer Energie A piezoelectric pressure generator for generating electric energy |
| 06/10/2009 | DE102007059179A1 Medium and/or material process flow guiding and/or influencing device i.e. power machine, has permanent magnet exerting cyclic movements in fixed housing and delivering generated electrical resulting potential as net energy |
| 06/10/2009 | DE102007059115A1 Verfahren zum Betreiben eines piezoelektrischen Aktors A method of operating a piezoelectric actuator |
| 06/10/2009 | DE102007058540A1 Method for charging and discharging piezoelectric element, involves adjusting charging current for charging piezoelectric element and discharge current for discharging piezoelectric element |
| 06/10/2009 | DE102007058239A1 Micro mirror device has reflecting plate, framework holder and hanging element, over which reflecting plate is connected with framework holder, where hanging element has piezoactive layer |
| 06/10/2009 | CN101453177A Split type helical stator micromotor |
| 06/10/2009 | CN101453176A Piezoelectric type torsion driver |
| 06/10/2009 | CN100498593C Piezoelectric actuator, timepiece, and electronic device |
| 06/09/2009 | US7545078 Actuator for moving a tool |
| 06/09/2009 | US7545076 System and method for tracking drive frequency of piezoelectric motor |
| 06/04/2009 | WO2009069694A1 Laminated piezoelectric element, its manufacturing method, injection device, and fuel-injection system |
| 06/04/2009 | WO2009069693A1 Laminated piezoelectric element and method for manufacturing the same, injection apparatus and fuel injection system |
| 06/04/2009 | US20090140608 Ultrasonic motor |
| 06/04/2009 | US20090140607 Driving apparatus |
| 06/04/2009 | US20090140602 Method and system for mitigating an unintended-mechanical strain |
| 06/04/2009 | US20090140072 Piezoelectric actuator with multi-function spring and device using same |
| 06/04/2009 | DE202009002953U1 Piezoelektrischer Wandler und Transformator A piezoelectric transformer and transformer |
| 06/04/2009 | DE202009002859U1 Vorrichtung zur direkten Umwandlung kinetischer Wellenenergie in elektrische Energie mit Hilfe des Piezo-Effektes An apparatus for the direct conversion of kinetic energy into electrical energy wave with the aid of the piezoelectric effect |
| 06/04/2009 | DE102008008902B3 Verfahren zum Herstellen eines bleifreien piezokeramischen Werkstoffs des Kalium-Natrium-Niobat-Systems mit Hilfe von Niobhydroxid und Verwendung eines Bauteils mit dem Werkstoff A method of manufacturing a lead-free piezoelectric ceramic material of the sodium-potassium niobate system with the aid of niobium hydroxide and Use of a component with the material |
| 06/04/2009 | DE102007057141A1 Fuel injecting valve's piezoelectric actuator operating method for internal-combustion engine of motor vehicle, involves determining electrical capacity of actuator based on reloading time or current and/or voltage range during reloading |
| 06/04/2009 | DE102007055508A1 Vorrichtung zum Erzeugen von elektrischer Energie An apparatus for generating electrical energy |
| 06/04/2009 | DE102004003837B4 Schaltungsanordnung und Verfahren zur Erzeugung eines Steuersignals für eine Motorsteuereinheit zur Ansteuerung von Kraftstoffinjektoren Circuit arrangement and method for generating a control signal for a motor control unit for controlling fuel injectors |
| 06/03/2009 | EP1759451A4 Vibration wave driven apparatus and vibrator |
| 06/03/2009 | EP1739820B1 Apparatus, method and program for driving a piezoelectric actuator and electronic device comprising the same |
| 06/03/2009 | CN201252497Y Piezoelectric self-powered low power consumption remote controller |
| 06/03/2009 | CN201252496Y H-shaped stationary wave linear ultrasonic motor vibrator |
| 06/03/2009 | CN101449454A Vibration-type actuator |
| 06/03/2009 | CN101447748A Piezoelectric self-powersupply low power consumption remote controller |
| 06/03/2009 | CN101447747A Driving apparatus |
| 06/03/2009 | CN100495895C Ultrasonic motor locating device |
| 06/03/2009 | CN100495894C Anti-creep driving method of piezoelectric ceramic driver |
| 05/28/2009 | WO2009066701A1 Piezoelectric actuator, driving device, positioning device, and laser module |
| 05/28/2009 | WO2009066467A1 Vibration actuator and imaging device |
| 05/28/2009 | WO2008121429A3 Energy harvesting device |
| 05/28/2009 | US20090135683 Drive mechanism and optical head |
| 05/28/2009 | US20090134748 Systems and methods for collecting solar energy for conversion to electrical energy with piezoelectric generators |
| 05/28/2009 | US20090134747 Piezoelectric Generator |
| 05/28/2009 | US20090134745 Vibration Actuator, Lens Barrel, Camera System and Vibrating Element |
| 05/28/2009 | US20090134744 Ring type piezoelectric ultrasonic resonator and piezoelectric ultrasonic rotary motor using the same |
| 05/28/2009 | US20090134710 Inductive coupling of pulses from piezoelectric device |
| 05/28/2009 | US20090133238 Multi-Layer Piezoelectric Element and Method for Manufacturing the Same |
| 05/28/2009 | DE102008058432A1 Controlling circuit for piezoelectric actuators, has coil, which is switched in row with piezoelectric actuator, where energy estimating unit is provided for estimation of energy during time interval |
| 05/28/2009 | DE102007056553A1 Method for producing piezo actuator module, involves applying isolation protective layer made of plastic as passivating casing, which is created in electrically conductive manner by coating process |
| 05/28/2009 | DE102007056211A1 Verfahren zum Betreiben eines piezoelektrischen Aktors und Steuergerät hierfür A method of operating a piezoelectric actuator and the control unit therefor |
| 05/27/2009 | EP2062304A1 Adjusting device with high position resolution, even in the nano- or subnanometer range |
| 05/27/2009 | CN101443993A Lens module |
| 05/27/2009 | CN101443572A Electro-rheological fluid brake and actuator devices and orthotic devices using the same |
| 05/27/2009 | CN100492865C Ring structured travelling wave type contactless liquid medium ultrasonic wave electric machine |
| 05/27/2009 | CN100492864C Multi freedom degree piezo-electric ceramic stick miniaturized motor based on composite excitation mode |
| 05/27/2009 | CN100492863C Piezoelectric motor |
| 05/27/2009 | CN100492693C Vibratory motors and methods of making and using same |
| 05/22/2009 | WO2009063610A1 Power generation unit |
| 05/22/2009 | WO2009063609A1 Power generation unit and light emitting tool |
| 05/21/2009 | US20090128933 Driving device |
| 05/21/2009 | US20090128064 Actuation device having shape memory alloy component |
| 05/21/2009 | US20090127976 Method and Apparatus for Harvesting Energy from Mechanical Vibrations |
| 05/21/2009 | US20090127974 Small piezoelectric or electrostrictive linear motor |
| 05/21/2009 | US20090126228 Shoe |
| 05/20/2009 | DE102007054814A1 Piezoelectric actuator operating method for fuel injection valve of motor vehicle, involves activating actuator after regular controlling process in damping operation mode, so that vibrations of actuator or piston and volume are damped |
| 05/20/2009 | DE102007054374A1 Verfahren und Vorrichtung zur Kalibrierung eines in einem Kraftfahrzeug zum Antrieb eines Schaltventils betriebenen Piezo-Aktuators Method and apparatus for calibration of an operated in a motor vehicle for driving a switching valve piezo actuator |
| 05/20/2009 | DE102004009373B4 Piezobetätigungsglied-Antriebsschaltung Piezo actuator drive circuit |
| 05/20/2009 | CN101436834A Driving device |