| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 11/27/2013 | CN103414377A Frequency-modulable rotary piezoelectric power generation device |
| 11/27/2013 | CN103414376A Internally-arranged angle sensor all-in-one ultrasonic motor servo control system |
| 11/27/2013 | CN103414375A Single-electric-signal driving rotating ultrasonic motor |
| 11/27/2013 | CN103414374A Single-electric-signal driving bidirectional rotating ultrasonic motor |
| 11/27/2013 | CN103414373A Single-incentive rotating ultrasonic motor |
| 11/27/2013 | CN103414372A Two-way driving rotating ultrasonic motor |
| 11/27/2013 | CN103414371A Vibration exciter based on piezoelectric stack |
| 11/27/2013 | CN103414370A Single-incentive linear ultrasonic motor |
| 11/27/2013 | CN103414220A Water drop power generation method and micro water drop power generation system based on ICPF |
| 11/27/2013 | CN103411710A Pressure sensor, electronic skin and touch screen equipment |
| 11/27/2013 | CN101882808B Energy harvesting based on user-interface of mobile computing device |
| 11/26/2013 | US8593035 Phased array buckling actuator |
| 11/26/2013 | US8591009 Piezoelectric film, ink jet head, angular velocity sensor and piezoelectric generating element |
| 11/26/2013 | CA2548641C Advance in materials in active-piston actuators |
| 11/21/2013 | WO2013173495A1 Ejector devices, methods, drivers, and circuits therefor |
| 11/21/2013 | WO2013172146A1 Inertial drive actuator |
| 11/21/2013 | WO2013171376A1 Energy collector structure and method |
| 11/21/2013 | US20130307440 Method and device for electrically exciting an actuator for an ultrasonic motor |
| 11/21/2013 | US20130307376 Piezo actuator having an electrode structure for a torsional vibration mode, and rotation-type ultrasonic motor including same |
| 11/21/2013 | US20130307373 Displacement Member, Driving Member, Actuator, and Driving Device |
| 11/20/2013 | CN203301398U Symmetrical ultrasonic motor |
| 11/20/2013 | CN203301189U Sound wave power generation device and electronic device |
| 11/20/2013 | CN203298176U Street lamp device |
| 11/20/2013 | CN103404014A 振动致动器 Vibration actuator |
| 11/20/2013 | CN103401472A Solar power thermoacoustic piezoelectric power generation system and power generation method thereof |
| 11/20/2013 | CN103401471A Piezoelectric ceramic-based energy recovery system and handheld equipment |
| 11/20/2013 | CN103401470A Bidirectional driving straight-line supersonic motor |
| 11/19/2013 | US8587181 Piezo-electric actuator drive circuit and piezo-electric actuator device furnished with same |
| 11/19/2013 | CA2690592C An actuator notification system for use with a mobile communications device, a method of automatically driving an actuator on a mobile communications device, and a mobile communications device utilizing same |
| 11/14/2013 | WO2013169726A1 System for harvesting energy from door or door hardware movement |
| 11/14/2013 | WO2013167577A1 Method and system for harvesting energy using an eap based deformable body |
| 11/14/2013 | US20130300345 Jaw Powered Electric Generator |
| 11/14/2013 | US20130300258 Piezoelectric device system producing both vibration and electric power |
| 11/14/2013 | DE102012207598A1 Verfahren zum elektrischen Kontaktieren eines elektronischen Bauelements als Stapel und elektronisches Bauelement mit einer Kontaktierungsstruktur Method for electrically contacting an electronic component as a stack, and an electronic device having a contact- |
| 11/14/2013 | DE102012009210A1 Controller for electrically controlling piezo-material of piezo element for engine, has control and/or regulating device generating resulting difference voltage due to mechanical function of electric voltage as useful energy |
| 11/13/2013 | EP2662971A1 Piezoelectric power generator |
| 11/13/2013 | EP2662558A2 Mechanisms for creating undulating motion, such as for propulsion and for harnessing the energy of moving fluid |
| 11/13/2013 | EP2661809A1 Systems and methods for harvesting vibrational energy from vehicles |
| 11/13/2013 | CN203289350U Asymmetric clamping piezoelectric inertial driver with ploughing effect |
| 11/13/2013 | CN203289349U Explosion-proof magnetostrictive transducer |
| 11/13/2013 | CN203288466U Central-symmetric remote control switch with double piezoelectric oscillators |
| 11/13/2013 | CN103391028A Magnetism-piezoelectricity actuator based on triangular geometric displacement amplifying mechanism |
| 11/13/2013 | CN103391023A Stick-slip driving cross-scale precise motion platform |
| 11/13/2013 | CN103391022A Piezoelectric circuit, piezoelectric driving circuit for the piezoelectric circuit, and piezoelectric driving method |
| 11/13/2013 | CN102299663B Cylindrical traveling-wave ultrasonic motor vibrator pretightened by spring blocks |
| 11/13/2013 | CN102203654B Drive device |
| 11/13/2013 | CN101540578B Method and apparatus for controlling a plurality of motors |
| 11/12/2013 | US8581473 System for using the air pressure acting on a vehicle in motion to produce energy |
| 11/08/2013 | CA2804556A1 Ice protection for aircraft using electroactive polymer surfaces |
| 11/07/2013 | WO2013165384A1 Selecting pulse to drive piezoelectric actuator |
| 11/07/2013 | WO2013164648A1 Power generation device |
| 11/07/2013 | US20130293728 Vibration-wave driving device, two-dimensional driving apparatus, and image-shake correcting apparatus |
| 11/07/2013 | US20130293068 Asynchronous fluidic impulse strain-based energy harvesting system |
| 11/07/2013 | US20130293067 System for harvesting energy from door or door hardware movement |
| 11/06/2013 | CN203278697U Wide-frequency-band multi-direction vibration energy harvester |
| 11/06/2013 | CN203278696U Multiple cantilever wideband MEMS piezoelectric energy harvester |
| 11/06/2013 | CN203278695U Full bridge drive circuit of ultrasonic motor based on double inductors and double capacitors |
| 11/06/2013 | CN203278694U Piezoelectric stepping motor |
| 11/06/2013 | CN203278693U Partitioning matching drive circuit for ultrasonic motor |
| 11/06/2013 | CN203278589U Road rolling generating set and array thereof |
| 11/06/2013 | CN203276766U Piezoelectric type self-energized advertisement lighting system |
| 11/06/2013 | CN102332843B Symmetric rotation piezoelectric generation device |
| 11/06/2013 | CN102223104B Rotary traveling wave ultrasonic motor capable of adjusting pre-pressure by nuts |
| 11/06/2013 | CN102185519B Mode conversion type piezoelectric thread transmission linear ultrasonic motor |
| 11/06/2013 | CN102185096B Piezoelectric actuator and linear piezoelectric motor |
| 11/06/2013 | CN102170248B Ambient vibration energy collecting device based on two-DOF (Degree of Freedom) piezoelectric vibrator |
| 11/06/2013 | CN102142790B Method for exciting rotary ultrasonic motor |
| 11/05/2013 | US8575825 High-efficiency compact miniaturized energy harvesting and storage device |
| 11/05/2013 | DE202012104158U1 Piezofederelement Piezo spring element |
| 11/05/2013 | DE202012104156U1 Piezofederelement Piezo spring element |
| 11/05/2013 | CA2537244C Surface deformation electroactive polymer transducers |
| 10/31/2013 | WO2013161961A1 Vibration actuator and optical device |
| 10/31/2013 | WO2013160398A1 Actuator device and method for setting a position of a linearly movable element |
| 10/31/2013 | WO2013160326A1 A method and a unit of power harvesting |
| 10/31/2013 | US20130285510 Method for fabricating piezoelectric composite material and piezoelectric power generating device |
| 10/31/2013 | US20130285506 Electronic device |
| 10/31/2013 | US20130285505 Actuator apparatus, test apparatus, and test method |
| 10/31/2013 | US20130285386 Bacterial spore based energy system |
| 10/31/2013 | DE102013205485A1 Drive unit has pulling elements whose one end is connected at crank pin while other end is connected at inside wall of crank case, such that pulling elements lie in normal plane to axis of crankshaft |
| 10/30/2013 | EP2656408A1 Actuator, actuator system, and control of an actuator |
| 10/30/2013 | EP2656407A1 Actuator, actuator system, and actuation of an actuator |
| 10/30/2013 | EP2656406A2 Vibration energy harvesting apparatus |
| 10/30/2013 | CN203261259U Bilateral rotation ultrasonic motor driven by single electric signal |
| 10/30/2013 | CN203261258U Single electric signal drive-for-rotation ultrasonic motor |
| 10/30/2013 | CN203260641U Current collection module |
| 10/30/2013 | CN103378763A A wind power generator with piezoelectricity generation pieces |
| 10/30/2013 | CN103375347A Tree-like generator combining piezoelectric generating pieces and springs/spring plates |
| 10/30/2013 | CN103375337A Spring type piezoelectric wind driven generator |
| 10/30/2013 | CN101728971B Piezoelectric type moving system and lens driving device with same |
| 10/30/2013 | CN101567642B Vibration actuator, lens barrel and camera |
| 10/29/2013 | US8567926 Liquid-ejecting head, liquid-ejecting apparatus, piezoelectric element, and method for manufacturing liquid-ejecting head |
| 10/29/2013 | US8567026 Piezoelectric film poling method |
| 10/24/2013 | WO2013158806A1 Deformable mirrors and methods of making the same |
| 10/24/2013 | WO2013158348A1 Piezoelectric micromachined ultrasound transducer with patterned electrodes |
| 10/24/2013 | WO2013157452A1 Sodium niobate powder, method for producing the same, method for producing ceramic, and piezoelectric element |
| 10/24/2013 | WO2013157293A1 Film-type piezoelectric/electrostrictive element |
| 10/24/2013 | US20130278681 Piezoelectric ceramic, piezoelectric element, ultrasonic motor, and dust removing device |
| 10/24/2013 | US20130278179 Drive unit |
| 10/24/2013 | US20130278113 Oscillatory wave motor |
| 10/24/2013 | US20130278112 Vibrator, vibration type driving apparatus and manufacturing method of vibrator |