| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 02/20/2013 | CN202746107U Breeze power generation device based on piezoelectric effect |
| 02/20/2013 | CN102938622A Piezoelectric energy harvesting unit |
| 02/20/2013 | CN102938621A Vibration energy collecting system |
| 02/20/2013 | CN102937137A Piezoelectric power generation rolling bearing unit |
| 02/20/2013 | CN101630923B Preparation method of curve driver for functional gradient of relaxor type piezoelectric ceramic |
| 02/19/2013 | US8378532 Actuator apparatus responsive to electrical activation |
| 02/14/2013 | WO2013022767A2 Method and apparatus for inhibiting formation of and/or removing ice from aircraft components |
| 02/14/2013 | WO2013020873A1 Piezoelectric rotary drive for a shaft |
| 02/14/2013 | US20130038666 Ink jet head, method of forming image by the ink jet head, angular velocity sensor, method of measuring angular velocity by the angular velocity sensor, piezoelectric generating element, and method of generating electric power using the peizoelectric generating element |
| 02/14/2013 | US20130038175 Vibration power generation device |
| 02/14/2013 | US20130038172 Motor apparatus, method of driving rotor, and robot apparatus |
| 02/13/2013 | EP2557366A2 Building technology assembly for heating and/or cooling |
| 02/13/2013 | CN202738102U Self-generating loudspeaker suitable for having classes of college teachers |
| 02/13/2013 | CN202736039U Self-generating electric calculator |
| 02/13/2013 | CN202735965U Self-generating electric wireless keyboard |
| 02/13/2013 | CN202732255U Automobile piezoelectric damper power generation system |
| 02/13/2013 | CN102931879A Thermoelectric-piezoelectric combined flexible micro-generating device |
| 02/13/2013 | CN102931878A Multi-cantilever broadband MEMS (micro-electromechanical system) piezoelectric energy harvester |
| 02/13/2013 | CN102931877A Low-frequency broadband piezoelectric and magnetoelectric combined multimode vibration energy collector |
| 02/13/2013 | CN102931876A Intelligent material ion-exchange polymer metal composite (IPMC)-based miniature power generation device |
| 02/13/2013 | CN102931875A SMD square ultrasonic motor vibrator and driving method thereof |
| 02/13/2013 | CN102931874A Piezoelectric motor driven by longitudinal-torsional piezoelectric ceramic cylinder |
| 02/13/2013 | CN102931873A Small-size integrated parallel rotation ultrasonic motor |
| 02/13/2013 | CN102931872A Sector linear ultrasonic motor based on continuous amplitude-change pole principle |
| 02/13/2013 | CN102931871A Paraboloid-shaped linear ultrasonic motor |
| 02/13/2013 | CN102931870A Standing wave linear ultrasonic motor |
| 02/13/2013 | CN102931869A SMD (Surface Mount Device) ultrasonic motor vibrator and drive method thereof |
| 02/13/2013 | CN102931868A 能量转换模块 Energy conversion module |
| 02/13/2013 | CN102931340A Wideband micro piezoelectric vibration energy collector and manufacturing method thereof |
| 02/13/2013 | CN102927168A Hydraulic retarder with pressure power generation device and control method thereof |
| 02/13/2013 | CN102035429B Dynamically tuned cylindric ultrasonic motor |
| 02/13/2013 | CN101917031B Wireless sensor device for monitoring health of civil engineering structure |
| 02/13/2013 | CN101847942B Piezoelectric motor, liquid ejecting apparatus, and clock |
| 02/12/2013 | US8373332 Energy harvesting electric device |
| 02/12/2013 | US8373331 Use of piezo motor to operate a ring pointer over display |
| 02/12/2013 | US8372011 Asymmetric membrane cMUT devices and fabrication methods |
| 02/08/2013 | DE202012012009U1 Aktuatorvorrichtung Actuator |
| 02/07/2013 | WO2013020127A2 System and method for efficient drive of capacitive actuators with voltage amplification |
| 02/07/2013 | WO2013019431A2 Method and system for providing haptic feedback of variable intensity |
| 02/07/2013 | WO2013019073A2 Energy harvesting system |
| 02/07/2013 | WO2013017399A1 Method for producing flexible eap generators |
| 02/07/2013 | US20130033771 Ultrasonic motor and lens apparatus including the same |
| 02/07/2013 | US20130033152 Ultrasonic motor and lens apparatus including the same |
| 02/07/2013 | DE102012207276A1 Vollaktiver Piezostack mit Passivierung Full Active Piezo stack with passivation |
| 02/07/2013 | DE102011121928A1 Verfahren und Anordnung zum Betreiben eines dynamischen Nanofokussiersystems Method and apparatus for operating a dynamic Nanofokussiersystems |
| 02/07/2013 | DE102011109590A1 Piezoelektrischer Drehantrieb für eine Welle The rotary piezoelectric actuator for a wave |
| 02/07/2013 | DE102009039189B4 Verfahren zur Linearisierung des Auslenkungsverhaltens bei der insbesondere dynamischen Ansteuerung und Regelung eines Piezoaktors oder Piezoaktorsystems Method for linearizing the Auslenkungsverhaltens in particular the dynamic control and regulation of a piezoelectric actuator or Piezoaktorsystems |
| 02/06/2013 | EP2555413A2 Ultrasonic motor and lens apparatus including the same |
| 02/06/2013 | EP2555412A2 Ultrasonic motor and lens apparatus including the same |
| 02/06/2013 | CN202721630U Power generation apparatus driven by propeller main shaft |
| 02/06/2013 | CN202721629U Axle type generator based on cantilever beam piezoelectric oscillator axial bending vibration |
| 02/06/2013 | CN202721628U End face cam excitation and limit type high-power rotary type piezoelectric wind generator |
| 02/06/2013 | CN202721627U Rotation type piezoelectric generator for railway vehicle shaft monitoring system |
| 02/06/2013 | CN202721626U Rotating disc type piezoelectric generator based on magnetic force coupling axial excitation |
| 02/06/2013 | CN202721625U Piezoelectric power generation apparatus used for supplying electric power for track vehicle bearing monitoring system |
| 02/06/2013 | CN202721624U Bidirectional magnetic force coupling axial excitation and limit type rotating shaft type piezoelectric generator |
| 02/06/2013 | CN202721623U Self-powered apparatus used for monitoring oil gas conveying pipelines |
| 02/06/2013 | CN202721622U Disc cam excitation and limit type high power rotation type piezoelectric wind generator |
| 02/06/2013 | CN202721621U Hollow ultrasonic motor with integration of rotor and rotating shaft |
| 02/06/2013 | CN202718711U Generating set for oil and gas pipeline monitoring system |
| 02/06/2013 | CN102918761A Drive apparatus for ultrasonic motor, and ultrasonic motor unit |
| 02/06/2013 | CN102916611A Flexible power generation device and manufacturing method thereof |
| 02/06/2013 | CN102916610A 复合型超声波电动机 Composite Ultrasonic Motor |
| 02/06/2013 | CN102916609A Ultrasonic motor and lens apparatus including the same |
| 02/06/2013 | CN102916608A Ultrasonic motor and lens apparatus including the same |
| 02/06/2013 | CN102916607A Three-DOF (degree of freedom) motion platform based on linear ultrasonic motor and excitation method thereof |
| 02/06/2013 | CN102158126B Generating set for lamp switches based on hollow piezoelectric transducer |
| 02/06/2013 | CN101908837B MEMS broadband piezoelectric energy collector based on PDMS film structure |
| 02/05/2013 | US8368287 Ultrasonic motor mechanism |
| 01/31/2013 | WO2013016528A1 Electron emission device |
| 01/31/2013 | WO2013015107A1 Piezoelectric excitor |
| 01/31/2013 | WO2013014632A1 Linear electro-polymer motors and devices having the same |
| 01/31/2013 | DE102011080128A1 Verfahren zur Herstellung biegbarer EAP-Generatoren A process for producing bendable EAP generators |
| 01/31/2013 | CA2843229A1 System for generating and distributing energy from piezoelectric materials |
| 01/31/2013 | CA2841901A1 Linear electro-polymer motors and devices having the same |
| 01/30/2013 | CN202713190U Piezoelectric/electromagnetic combined-type micro energy device |
| 01/30/2013 | CN202713189U Double-interdigital electrode piezoelectric micro energy generator |
| 01/30/2013 | CN102906987A Vibration power generation device and method for manufacturing same |
| 01/30/2013 | CN102904482A Ultralow rotation speed control method of ultrasonic motor |
| 01/30/2013 | CN102904481A Spiral compact displacement amplifying device |
| 01/30/2013 | CN102904480A Sandwich type square frame ultrasonic motor vibrator |
| 01/30/2013 | CN102900621A Piezoelectric and electromagnetic parallel wind power generation device |
| 01/30/2013 | CN102185521B Device for generating electricity by using sea waves |
| 01/24/2013 | WO2013012740A1 Self-energized wireless sensor and method using magnetic field communications |
| 01/24/2013 | US20130020910 Vibration power generation device and method of making the same |
| 01/24/2013 | US20130020909 Electric energy generating device and method of driving the same |
| 01/24/2013 | DE102011108175A1 Driving circuit for ultrasonic motor e.g. piezoelectric ultrasonic motor, has control unit that is adapted to direct current (DC) converter and inverters, to control measured amount of current flowing through ultrasonic motor |
| 01/23/2013 | EP2549557A2 Electric energy generating device |
| 01/23/2013 | EP2548298A1 Ultrasonic machining module |
| 01/23/2013 | CN202696502U Hollow ultrasonic motor |
| 01/23/2013 | CN202696501U Micro/nano-scale bionic rotation driving device |
| 01/23/2013 | CN202696500U Large-stroke micro-nanoscale linear actuator based on parasitic motion principle |
| 01/23/2013 | CN202696499U Micro-nano level bionic multi-degree-of-freedom driving device |
| 01/23/2013 | CN202693947U Liquid crystal display as well as handbag, bottle cover and intelligent card containing same |
| 01/23/2013 | CN102891625A Magneto-electricity combined energy conversion device |
| 01/23/2013 | CN101895230B Buckling-based low-voltage large-deformation micro-driver |
| 01/23/2013 | CN101569085B Oscillation actuator, lens barrel and camera |
| 01/22/2013 | CA2643786C A method and apparatus for harvesting energy from mechanical vibrations |
| 01/17/2013 | WO2013008738A1 Inertial drive actuator |
| 01/17/2013 | WO2013008737A1 Inertial drive actuator |