| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 10/28/2009 | CN100555833C Thermoelectric type complex jet flow piezo-electric micro-drive device and control method |
| 10/27/2009 | US7607336 Method for determining the individual control voltage of a piezoelectric element |
| 10/22/2009 | WO2009128385A1 Ultrasonic actuator |
| 10/22/2009 | WO2009128245A1 Stacked piezoelectric element and piezoelectric pump |
| 10/22/2009 | US20090261690 Ultrasonic wave handling device and a microscopic in-tube inspection system |
| 10/22/2009 | US20090261689 System and method for providing a piezoelectric electromagnetic hybrid vibrating energy harvester |
| 10/22/2009 | US20090261688 Microactuator having multiple degrees of freedom |
| 10/22/2009 | US20090260363 Partially Self-Refueling Zero Emissions System |
| 10/22/2009 | DE102008018011A1 Circuit arrangement for controlling piezoelectric actuator utilized in fuel injector for actuating pressure regulator in motor vehicle, has control device supplying control signals for controlling controllable switches |
| 10/21/2009 | EP2110940A1 Driver |
| 10/21/2009 | EP2109931A2 Energy harvesting device |
| 10/21/2009 | CN201331613Y Optical solar reflector with adjustable emissivity |
| 10/21/2009 | CN201330719Y Fan module with piezoelectric electric-energy gasket |
| 10/21/2009 | CN101563540A Actuator |
| 10/21/2009 | CN101562438A Ring type piezoelectric ultrasonic resonator and piezoelectric ultrasonic rotary motor using the same |
| 10/21/2009 | CN101562410A Piezoelectric motor |
| 10/21/2009 | CN101562409A Piezoelectric structure damping control object compensation method |
| 10/21/2009 | CN101562408A Magneto driving curve displacement actuator driver |
| 10/21/2009 | CN101562407A Linear micro motor |
| 10/21/2009 | CN100553105C 压电致动器的驱动器 The piezoelectric actuator drive |
| 10/21/2009 | CN100553104C Vibration wave motor |
| 10/21/2009 | CN100553103C Piezoelectric motor |
| 10/20/2009 | US7605520 Connecting piezoactuator |
| 10/15/2009 | WO2009125728A1 Actuator array sheet |
| 10/15/2009 | US20090257139 Lens Driving Mechanism and Image Pickup Apparatus Using the Same |
| 10/15/2009 | US20090256447 Ferroelectric energy generator, system, and method |
| 10/15/2009 | US20090256446 Ultrasonic motor |
| 10/15/2009 | US20090256445 Ultrasonic motor and ultrasonic vibrator |
| 10/15/2009 | DE102008018342A1 Piezoaktormodul für eine von einem Medium umströmte Anordnung Piezoelectric actuator for a medium flow-around arrangement |
| 10/15/2009 | DE102008016684A1 Elektromechanischer Motor Electromechanical motor |
| 10/14/2009 | EP2109217A2 System and method for resonance frequency tuning of resonant devices |
| 10/14/2009 | CN101558506A Laminated piezoelectric element, jetting device provided with the laminated piezoelectric element, and fuel jetting system |
| 10/14/2009 | CN101557177A Piezoelectric driver and lens module |
| 10/14/2009 | CN101556366A Zoom lens driving device |
| 10/13/2009 | US7602107 Surface mount type crystal oscillator |
| 10/13/2009 | US7602104 Ultrasonic motor and pressing mechanism of ultrasonic vibrator |
| 10/13/2009 | US7602103 Ultrasonic motor |
| 10/13/2009 | US7602100 Driving method and driving device for standing-wave-type ultrasonic actuator |
| 10/13/2009 | US7602097 Movable device |
| 10/08/2009 | WO2009123266A1 Imaging device and imaging device manufacturing method |
| 10/08/2009 | WO2009122703A1 Piezoelectric power-generating unit |
| 10/08/2009 | US20090251809 Linear micro motor |
| 10/08/2009 | US20090251804 Driving device |
| 10/08/2009 | US20090251026 Piezo Electric Linear Motor |
| 10/08/2009 | US20090251025 Ultrasonic probe and ultrasonic diagnosis apparatus |
| 10/08/2009 | DE10253278B4 Reifenmessung mit einem energieautark modulierten Backscatter-Transponder Tire measurement with an energy self-sufficient modulated backscatter transponder |
| 10/08/2009 | DE102008017572A1 Agricultural machine, particularly field or ground preparation device in form of hay making machine, sowing machine, mowing machine and forage box, has electrical load, particularly in form of sensor device for detecting operating parameter |
| 10/07/2009 | EP2107622A1 Shock recognition system in a doorlock using a linear electromechanical motor |
| 10/07/2009 | CN201323536Y Pre-pressure automatic control device for ultrasonic motor |
| 10/07/2009 | CN101552575A Linear actuator using magnetoconstriction power element |
| 10/07/2009 | CN100547899C Dual piezoelectric nano positioning and voltage electrical driver, its control method and controller |
| 10/07/2009 | CN100547822C Piezoelectric element formation member |
| 10/06/2009 | US7599201 Method of controlling the duty of a PWM signal, PWM signal generating circuit, and image forming apparatus using same |
| 10/01/2009 | US20090244205 Piezoelectric actuator, liquid transporting apparatus, and method for manufacturing piezoelectric actuator |
| 10/01/2009 | US20090243437 Multilayered actuators having interdigital electrodes |
| 10/01/2009 | US20090243435 Electromechanical motor |
| 10/01/2009 | US20090243434 Shock recognition system in a doorlock |
| 10/01/2009 | US20090243433 Apparatus, system and method for converting vibrational energy to electric potential |
| 10/01/2009 | US20090243432 Movable Table Unit |
| 10/01/2009 | US20090243431 Piezoelectric element drive device, electronic apparatus, and method for controlling piezoelectric element drive frequency |
| 10/01/2009 | US20090243254 Intelligent bicycle and front fork thereof |
| 09/30/2009 | CN101546967A Thin type standing wave rotary ultrasonic motor |
| 09/30/2009 | CN101546966A Drive device and method for controlling piezoelectric element drive frequency |
| 09/30/2009 | CN101546965A Plane vibration double-helix piezoelectric transducer based on MEMS |
| 09/30/2009 | CN101546089A Piezoelectric actuator drive circuit and vibration insulation control circuit |
| 09/30/2009 | CN101546024A Capacitive load driver |
| 09/30/2009 | CN101545957A Gate-structure magnetoelectric magnetic filed sensor and manufacturing method thereof |
| 09/30/2009 | CN100546165C Double-vibrating mode driving piezoelectric ceramic ultrasound wave electric machine small wave differential controlling method |
| 09/29/2009 | US7594309 Method of producing laminate-type piezoelectric element |
| 09/24/2009 | WO2009116455A1 Piezoelectric fan and cooling device employing said fan |
| 09/24/2009 | WO2009116356A1 Organic piezoelectric material, organic piezoelectric film, ultrasonic vibrator, ultrasonic probe, and ultrasonic image diagnosis apparatus for medical application |
| 09/24/2009 | US20090237818 Vibrating element manufacturing method, vibrating element, vibrating actuator, lens barrel and camera system |
| 09/24/2009 | US20090236939 High-performance electroactive polymer transducers |
| 09/24/2009 | US20090236938 Ultrasonic torsional mode and longitudinal-torsional mode transducer system |
| 09/24/2009 | DE102009013548A1 Kraftstoffinjektor mit einem ein Vorspannsteuerelement aufweisenden Piezoaktor und Verfahren Fuel injector with a bias control element having a piezoelectric actuator and method |
| 09/24/2009 | DE102008013590A1 Verfahren zum Betrieb eines Piezoelements Method for operating a piezo element |
| 09/24/2009 | DE102008000754A1 Piezoelectric element e.g. directly controlled actuator, charging and discharging method for piezo-injector of internal-combustion engine, involves evaluating temporal gradient of voltage of element after discharging/charging process |
| 09/23/2009 | CN101542890A Piezoelectric linear motor |
| 09/23/2009 | CN101542889A Foreign substance removing device and foreign substance removing method |
| 09/23/2009 | CN101540578A Method and apparatus for controlling a plurality of motors |
| 09/23/2009 | CN101540563A Piezoelectric motor |
| 09/23/2009 | CN101540562A 压电马达 Piezoelectric motors |
| 09/23/2009 | CN101540561A Fuel injector having piezoelectric actuator with preload control element and method |
| 09/23/2009 | CN101540367A Multi-layer piezoelectric element |
| 09/23/2009 | CN101539655A Lens driving device |
| 09/23/2009 | CN100544182C Self-powered structure in use for sensor |
| 09/23/2009 | CN100544181C Self-powered sensor |
| 09/22/2009 | US7592738 Ultrasonic motor |
| 09/22/2009 | US7592737 MEMS device comprising an actuator generating a hysteresis driving motion |
| 09/17/2009 | WO2009114644A2 Circuits for harvesting energy from piezoelectric devices |
| 09/17/2009 | WO2009113163A1 Moving apparatus |
| 09/17/2009 | US20090230916 System and method for creating a networked infrastructure distribution platform of small wind energy gathering devices |
| 09/17/2009 | US20090230818 Drive unit |
| 09/17/2009 | DE202009007298U1 Antriebseinrichtung mit einem Piezostapelaktor Drive device with a piezo-stack actuator |
| 09/17/2009 | DE102009001424A1 Vorrichtung zur Energieerzeugung in einem rotierenden System Apparatus for generating energy in a rotating system |
| 09/16/2009 | EP1525391B1 Piezoelectric actuator module and method for assembling a piezoelectric actuator module |
| 09/16/2009 | CN201312268Y Ultrasonic motor with double diaphragm type stator |
| 09/15/2009 | US7589450 Actuator device, liquid-jet head and liquid-jet apparatus |
| 09/15/2009 | US7589439 Electromechanical transducer element, method for forming an electromechanical transducer element and transducer formed by said method |
| 09/11/2009 | WO2009110575A1 Piezoelectric actuator and electronic device |