| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 04/25/2013 | DE102011087801B4 Ultraschallmotor Ultrasonic Motor |
| 04/25/2013 | DE102011087542B3 Two-phase ultrasonic motor, has main generator and additional generator generating acoustic standing waves during operation of motor and arranged on two sides with respect to symmetric plane, respectively |
| 04/25/2013 | DE102010021094B4 Verbesserte elektrische Energieauskopplung aus piezoelektrischen Energiewandlern mit der Möglichkeit der Nachpolung dieser Energiewandler Improved electrical energy extraction from piezoelectric energy converters with the possibility of Nachpolung this energy converter |
| 04/25/2013 | CA2852930A1 Dielectric elastomer membrane feedback apparatus, system, and method |
| 04/24/2013 | CN202906787U Automobile-tyre loss-energy collection apparatus |
| 04/24/2013 | CN202906786U Piezoelectric vibration power generation system |
| 04/24/2013 | CN202906785U Piezoelectric ceramic generating set |
| 04/24/2013 | CN202906784U Sound-electricity transformation apparatus |
| 04/24/2013 | CN103069708A Vibration power generating element and vibration power generating device using same |
| 04/24/2013 | CN103066885A Wind-energy piezoelectric conversion generator by using vortex-induced vibration |
| 04/24/2013 | CN103066884A Self-tuning type frequency conversion power generation device and method |
| 04/24/2013 | CN103066883A Bridge shadow type bituminous pavement energy gathering device |
| 04/24/2013 | CN103066882A Piezoelectric ceramic driver driving in unsymmetrical voltage mode |
| 04/23/2013 | US8424364 Active scanner bow compensator |
| 04/18/2013 | WO2013054848A1 Actuator control device, lens barrel, and imaging device |
| 04/18/2013 | WO2013054789A1 Piezoelectric element and piezoelectric actuator |
| 04/17/2013 | CN202889247U Self-generating unit of wireless mouse |
| 04/17/2013 | CN103051244A Flexible paper-based power generating device and manufacture method thereof |
| 04/17/2013 | CN103051243A Hollow ultrasonic motor with built-in vibrating ring |
| 04/17/2013 | CN103051175A Method for modulating frequency of mini-type piezoelectric generator |
| 04/17/2013 | CN103050151A X-Y workbench with two degrees of freedom |
| 04/17/2013 | CN102158122B Generating method of four-channel piezoelectric ceramic drive voltage and drive power supply |
| 04/17/2013 | CN101944859B Piezoelectric ceramic thermoacoustic power generation device |
| 04/17/2013 | CN101588141B Piezoelectric ceramic pump driving power supply |
| 04/17/2013 | CN101546966B Drive device and method for controlling piezoelectric element drive frequency |
| 04/11/2013 | WO2013051806A2 Vibrator having a piezoelectric element mounted thereon |
| 04/11/2013 | WO2013051692A1 Thermoelectric generator |
| 04/11/2013 | WO2013050620A2 Rectifier circuit with ac side short-circuiting function and synchronized switch harvesting on inductor converter |
| 04/11/2013 | WO2013050619A1 Peak detector with false peak rejection |
| 04/11/2013 | WO2013014632A4 Linear electro-polymer motors and devices having the same |
| 04/11/2013 | WO2013014631A3 System for generating and distributing energy from piezoelectric materials |
| 04/11/2013 | US20130088123 Soft mechanical stops to limit over-travel of proof masses in cantilevered piezoelectric devices |
| 04/10/2013 | EP2579445A1 Peak detector for switched ac/dc converter |
| 04/10/2013 | EP2579444A1 Drive apparatus for ultrasonic motor, and ultrasonic motor unit |
| 04/10/2013 | EP2577090A2 Force generator for mounting on a structure |
| 04/10/2013 | CN103036478A Efficient wideband vibrating energy collector with elastic amplifying mechanism |
| 04/10/2013 | CN103036477A Multi-modal combined type energy collector based on flexible polymer piezoelectric materials |
| 04/10/2013 | CN103036476A Tire pressure energy supplying device based on tire pressure changes |
| 04/10/2013 | CN103036475A Self-powered vibrational energy extraction circuit based on piezoelectric materials |
| 04/10/2013 | CN103036474A Two degrees of freedom flexible micro operator in parallel connection |
| 04/10/2013 | CN103036473A Super magnetic telescopic high-frequency brake experiment table driver and assembling method thereof |
| 04/10/2013 | CN103036472A Threaded linear ultrasonic motor |
| 04/10/2013 | CN103036471A Actuator and optical scanning apparatus |
| 04/10/2013 | CN103029440A Piezoelectric ultrasonic drive liquid ejection device |
| 04/10/2013 | CN102359068B Active control system for vibration of stay cable of cable-stayed bridge |
| 04/10/2013 | CN102005968B Petroleum drilling underground vibration power generating method and device |
| 04/10/2013 | CN101946396B Linear drive ultrasonic motor |
| 04/09/2013 | US8415860 Spring disc energy harvester apparatus and method |
| 04/09/2013 | US8415859 Piezoelectric nanodevices |
| 04/09/2013 | US8413762 Thermal-acoustic sections for an aircraft |
| 04/04/2013 | WO2013049485A1 Dielectric elastomers having a two-dimensionally structured surface, and electromechanical converter comprising such dielectric elastomers |
| 04/04/2013 | WO2013047057A1 Power generation system |
| 04/04/2013 | WO2012145279A3 Energy harvesting device including mems composite transducer |
| 04/04/2013 | US20130083630 Oscillator and electronic device |
| 04/04/2013 | US20130082572 Power generation unit, electronic apparatus, transportation device, and method of controlling power generation unit |
| 04/04/2013 | US20130082571 Power generation unit, electronic apparatus, transportation device, battery, and method of controlling power generation unit |
| 04/04/2013 | US20130082570 Power generation unit, secondary cell, and electronic apparatus |
| 04/04/2013 | US20130082569 Power generation unit, electronic apparatus, transportation device, and method of controlling power generation unit |
| 04/04/2013 | US20130082567 Ultrasonic device |
| 04/04/2013 | US20130082566 Power generation unit, electronic apparatus, transportation device, and method of controlling power generation unit |
| 04/04/2013 | US20130082565 Power generation unit, battery, electronic apparatus, transportation device, and method of controlling power generation unit |
| 04/04/2013 | DE102012019158A1 Aktuator und optisches Scanngerät Actuator and optical scanning device |
| 04/04/2013 | DE102007007472B4 Linsenantriebsvorrichtung Lens driving device |
| 04/03/2013 | EP2574969A2 Optical fibre positioning system |
| 04/03/2013 | CN202856658U Piezoelectric array for gentle breeze generating device |
| 04/03/2013 | CN202856657U Micro power consumption magnetic domain motion type power set |
| 04/03/2013 | CN202856432U Piezoelectric power-generation charger |
| 04/03/2013 | CN103026607A Piezoelectric actuator with coplanar electrodes |
| 04/03/2013 | CN103023378A Wide-frequency-band multi-direction vibration energy harvester |
| 04/03/2013 | CN103023377A Piezoelectric and electromagnetic hybrid variable-frequency micro-power generation assembly and method for same |
| 04/03/2013 | CN103023376A Method for generating piezoelectricity by stepping stairs |
| 04/03/2013 | CN103023375A High efficiency piezoelectricity power-generating device |
| 04/03/2013 | CN103023374A Inertia type piezoelectric linear motor |
| 04/03/2013 | CN103023373A Two-freedom-degree rotation-line motion micro ultrasonic motor |
| 04/03/2013 | CN103023372A Single-phase-driven SMD (Surface-Mounted Device) longitudinal-torsional ultrasonic micromotor |
| 04/03/2013 | CN103016604A Piezoelectric wafer self-energy supplying hydraulic damper |
| 04/03/2013 | CN103016597A Self-powered damper based on vibration energy recovery |
| 04/03/2013 | CN102185520B Equal-curvature cantilever beam piezoelectric power generation device for remote controller |
| 04/03/2013 | CN101997443B Transparent vibration component and module thereof |
| 04/03/2013 | CN101383234B 压电促动器 The piezoelectric actuator |
| 03/30/2013 | CA2791101A1 Charging system for a rechargeable power source |
| 03/28/2013 | WO2013044102A1 Energy conversion apparatus |
| 03/28/2013 | WO2013041212A2 Rotary actuator |
| 03/28/2013 | WO2013040703A1 Authentication device for security documents |
| 03/28/2013 | DE102011114194A1 Piezoelektrisches Aktorbauelement A piezoelectric actuator device |
| 03/28/2013 | CA2847595A1 Authentication device for security documents |
| 03/27/2013 | EP2573931A1 Power generation element and power generation apparatus provided with power generation element |
| 03/27/2013 | CN202841006U Ultrasonic motor with ratio of inner diameter of hollow rotating shaft to outer diameter of motor being greater than 1/2 |
| 03/27/2013 | CN202840630U Electronic device used for converting vibrational energy into electric energy |
| 03/27/2013 | CN202837652U Automatic zooming motor and optical imaging system |
| 03/27/2013 | CN103001532A Surface-mounted longitudinal and torsion modal compound ultrasonic motor |
| 03/27/2013 | CN103001531A Actuator for large displacement of signal piezoelectric stack |
| 03/27/2013 | CN102998795A Mirror driving apparatus, method of driving same and method of manufacturing same |
| 03/27/2013 | CN101968568B Actuator, optical scanner and image forming apparatus |
| 03/27/2013 | CN101931339B 压电致动器 The piezoelectric actuator |
| 03/27/2013 | CN101911465B Vibration actuator and imager |
| 03/27/2013 | CN101847941B 致动器 Actuator |
| 03/27/2013 | CN101790839B Driving method of lens actuator |
| 03/21/2013 | WO2013039368A1 Magnetic accumulator |
| 03/21/2013 | WO2013038682A1 Power generating element and power generation device |