| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 05/19/2010 | CN101710801A Sandwich conical surface piezoelectric driving and generating integration device |
| 05/19/2010 | CN101166005B Super magnetostrictive material driven microdisplacement mechanism |
| 05/19/2010 | CN101106339B Ultrasonic motor closed loop control circuit |
| 05/19/2010 | CN101071996B Column structure dual-wheel foot driving linear ultrasonic motor and electric exciting manner |
| 05/18/2010 | US7717132 Hydraulic valve actuated by piezoelectric effect |
| 05/18/2010 | CA2424165C Actuator and sensor system for composite structures |
| 05/14/2010 | WO2010054368A2 Self-powered, piezo-surface acoustic wave apparatus and method |
| 05/14/2010 | WO2010052974A1 Drive device |
| 05/13/2010 | US20100117565 Active scanner bow compensator |
| 05/13/2010 | US20100117488 Piezoelectric and semiconducting coupled nanogenerators |
| 05/13/2010 | US20100117486 Positioning apparatus and method |
| 05/13/2010 | US20100117485 Piezoelectric transducers with noise-cancelling electrodes |
| 05/13/2010 | US20100117463 Linear actuator using magnetostrictive power element |
| 05/12/2010 | DE102008056746A1 Piezoaktor in Vielschichtbauweise und Verfahren zur Befestigung einer Außenelektrode bei einem Piezoaktor Piezoelectric actuator with a multilayer structure and method for attaching an external electrode with a piezoelectric actuator |
| 05/12/2010 | CN201467008U Impact generating device |
| 05/12/2010 | CN201467007U Cantilever beam piezoelectric structure for controlling damping by electronic compensating method |
| 05/12/2010 | CN201465162U RFID card with piezoelectric power supply |
| 05/12/2010 | CN1909355B Rotary type ultraphonic motor |
| 05/12/2010 | CN1864869B Piezoelectric vibrator and ultrasonic motor employing same |
| 05/12/2010 | CN1862941B Surface acoustic wave linear motor, moter assemply and lens actuator |
| 05/12/2010 | CN1845443B High-precision linear driver with arbitrary distance of run |
| 05/12/2010 | CN1614458B Diffractive thin-film piezoelectric micromirror and method of producing the same |
| 05/12/2010 | CN1501575B Driving method of piezoelectric actuator, piezoelectic actuator, and disk recording and reproducing apparatus using the same |
| 05/12/2010 | CN1449103B 超声波线性电动机 Ultrasonic linear motor |
| 05/12/2010 | CN101707447A Pressure power generation conversion device |
| 05/12/2010 | CN101707446A Thrust ball rotor supported micro-cylinder ultrasonic motor |
| 05/12/2010 | CN101707445A Sheet and dual traveling wave type rotary ultrasonic motor and control method thereof |
| 05/12/2010 | CN101707444A In-plane traveling wave rotary ultrasonic motor and control method |
| 05/12/2010 | CN101414797B Piezoelectricity actuator with large displacement and large impulse force |
| 05/06/2010 | US20100115671 inertial positioner and an optical instrument for precise positioning |
| 05/06/2010 | US20100109482 Tidal power generator |
| 05/06/2010 | US20100109479 Drive device |
| 05/06/2010 | US20100109478 Driving apparatus |
| 05/06/2010 | US20100109477 Prestress-adjustable piezoelectric gripping device |
| 05/06/2010 | DE102008053924A1 Device for producing alternative energy from sound field of e.g. waterfall, has sound conversion units for re-transmitting decaying sound energy as electrical energy to consumer, and accumulating electrical energy in storage |
| 05/06/2010 | DE102008043381A1 Motor vehicle i.e. hybrid vehicle, has high voltage current supply assembly connected with engine control device, and engine control device connected with energy management assembly and piezo actuator assembly |
| 05/05/2010 | CN1543050B 操作装置和电子仪器 Operating device and electronic equipment |
| 05/05/2010 | CN1543049B 操作装置和电子仪器 Operating device and electronic equipment |
| 05/05/2010 | CN101702595A Device for power generation by bumping-driving piezoelectric material |
| 05/05/2010 | CN101702594A Field apparatus with process automation facility for acquiring electric energy locally |
| 05/05/2010 | CN101702593A System for pressure-driven electric power storage and traffic flow statistics of road vehicles |
| 05/05/2010 | CN101702592A Travelling wave ultrasound motor with dual stator and rotor multi-diameter shaft structure |
| 04/29/2010 | WO2010048594A2 System and method of driving ultrasonic transducers |
| 04/29/2010 | WO2010047182A1 Drive device and imaging device |
| 04/29/2010 | US20100102676 Driving apparatus |
| 04/29/2010 | US20100102675 Driving apparatus |
| 04/29/2010 | US20100102674 Piezoelectric linear motor offering enhanced displacement |
| 04/29/2010 | US20100102673 Kinetic harvesting frequency optimizer |
| 04/29/2010 | US20100101906 Device for damping vibrations |
| 04/29/2010 | DE102008043161A1 Switching arrangement for supplying load, particularly piezoelectric element, has two different operating voltages, where two condenser arrangements are switched together into series |
| 04/29/2010 | DE102008043086A1 Arrangement for supplying electrical current to piezo module utilized for exciting injection valve of e.g. direct injection diesel engine of vehicle, has paths, where arrangement supplies current portions to piezo module via paths |
| 04/29/2010 | CA2740777A1 System and method of driving ultrasonic transducers |
| 04/28/2010 | CN201444207U Driving device |
| 04/28/2010 | CN1860623B Strain energy shuttle apparatus and method for vibration energy harvesting |
| 04/28/2010 | CN1543052B High-low voltage driving method for improving piezoelectric ultrasonic motor stepping resolution ratio and reducing driving energy consumption |
| 04/28/2010 | CN101699744A Sound wave energy storage device and product with sound wave energy storage device |
| 04/28/2010 | CN101699743A Symmetric tension-compression double piezoelectric pile actuator |
| 04/28/2010 | CN101084586B Ultrasonic processing method and apparatus with multiple frequency transducers |
| 04/27/2010 | US7705836 Touch panel device |
| 04/27/2010 | US7705525 Multi-layer piezoelectric element and method for manufacturing the same |
| 04/27/2010 | US7705518 Ultrasonic motor |
| 04/22/2010 | US20100097681 Micromechanical element and sensor for monitoring a micromechanical element |
| 04/22/2010 | US20100097205 Portable Motion Detector And Alarm System And Method |
| 04/22/2010 | US20100096948 Ultrasonic motor |
| 04/22/2010 | US20100096947 Piezoelectric ceramic, vibrator and ultrasonic motor |
| 04/22/2010 | DE102008042866A1 Piezoelectric actuator, particularly concentric actuator for fuel injection valve, comprises base with coating system, which has two electrode combs that are partially engaged corresponding to interdigital electrode arrangement |
| 04/22/2010 | DE102008042865A1 Piezoelectric actuator i.e. roll actuator, for fuel injection system of air-compressed self-ignited internal-combustion engine, has electrode layers lamellarly formed and running transversely along winding direction on ceramic layer |
| 04/22/2010 | DE102008042864A1 Piezoelectric actuator, particularly rolling actuator or concentric actuator, has circumferential segment, where electrode layers are provided in longitudinal direction and extended approximately in circumferential direction |
| 04/22/2010 | DE102008042863A1 Piezoelectric actuator e.g. roll actuator, for fuel injection valve of e.g. diesel engine, has electrode layers and measuring electrodes provided in active and sensor parts, respectively, and extended in circumferential direction |
| 04/22/2010 | DE102008042862A1 Piezoelectric actuator, particularly roller actuator for fuel injection valve, comprises coating system, which has ceramic layer, primary electrode layer and secondary electrode layer |
| 04/22/2010 | DE102008024071B4 Verfahren zur Herstellung von Piezobiegewandlern sowie Piezonutzen zur Durchführung des Verfahrens A process for the production of piezo bending transducers and piezo benefit for carrying out the method |
| 04/21/2010 | EP2178131A2 Piezoelectric ceramic, vibrator and ultrasonic motor |
| 04/21/2010 | CN101697461A Energy-saving high-temperature superconducting linear motor driver for track traffic |
| 04/21/2010 | CN101697460A Two-way single-mode ramp type tower-shaped linear ultrasonic motor and electric excitation method |
| 04/20/2010 | US7701119 Piezoelectric actuator |
| 04/20/2010 | US7701116 Motor driving method, program therefor, and motor driving apparatus |
| 04/20/2010 | US7699443 Piezoelectric actuator unit, manufacturing method thereof, piezoelectric structural body, and liquid ejecting apparatus using the same |
| 04/15/2010 | WO2010042601A1 Foot-powered footwear-embedded sensor-transceiver |
| 04/15/2010 | WO2010041533A1 Ultrasonic motor and piezoelectric oscillator |
| 04/15/2010 | DE102009028231A1 Einspritzvorrichtung Injector |
| 04/15/2010 | DE102008051288A1 Motor vehicle i.e. cabriolet vehicle, has actuator for changing length of support attached to base region and controlled by sensor arrangement, which is attached to body of vehicle below window parapet line |
| 04/15/2010 | DE102008049544A1 Ultrasonic transducer i.e. two dimensional ultrasound antenna, for recording ultrasonic images in e.g. medical diagnostics, has isolation foil arranged at surface section to contact external electrode and electrode layer with each other |
| 04/15/2010 | DE102008049541A1 Ultrasonic transducer for recording ultrasonic images, has monolithic, stacked piezo element which has two electrode layers and piezo ceramic layer arranged between electrode layers |
| 04/14/2010 | EP2175501A2 Ultrasonic motor and conveying apparatus having the same |
| 04/14/2010 | CN101694975A Bidirectional single-mode inclined track V-shaped linear ultrasonic motor and electric excitation mode |
| 04/14/2010 | CN101694974A Tower-shaped linear ultrasonic motor and electric excitation mode |
| 04/14/2010 | CN101694973A Portable giant magnetostriction seismic source device |
| 04/14/2010 | CN101694865A Multilayer piezoelectric element and its manufacturing method |
| 04/14/2010 | CN101694400A Electronic human scale with self-powered function |
| 04/14/2010 | CN101056073B Micro piezoelectric motor-lens integrated driving machine |
| 04/13/2010 | US7696670 Ultrasonic motor |
| 04/08/2010 | US20100085168 Tactile stimulation device and apparatus using the same |
| 04/08/2010 | US20100084947 High Efficiency Piezoelectric Energy Harvester Having Spiral Structure |
| 04/08/2010 | US20100084946 Ultrasonic motor and conveying apparatus having the same |
| 04/08/2010 | US20100084945 Controllable coupling force |
| 04/08/2010 | US20100084944 Vibration actuator |
| 04/08/2010 | US20100084871 Pliant Mechanisms for Extracting Power from Moving Fluid |
| 04/08/2010 | US20100084488 Alternating current powered delivery system |
| 04/08/2010 | DE102009033403A1 Piezo-Scheiben-Generator zur Stromerzeugung Piezo disc generator to produce electricity |
| 04/08/2010 | DE102008052914A1 Piezoaktor mit Sollbruchschicht Piezoelectric actuator with breaking layer |