| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 03/18/2004 | WO2003071613A3 Low cost bending actuator with two-dimensional motion |
| 03/18/2004 | US20040052469 Device and method for alignment of optical axis |
| 03/18/2004 | US20040051423 Piezo-actuator |
| 03/18/2004 | US20040050415 Tunneling-effect energy converters |
| 03/18/2004 | DE10320161A1 Piezoactuator has base body with piezoelectric layer stack and intermediate electrode layers; pre-formed contact element for contacting electrode layers is inserted into piezoactuator |
| 03/17/2004 | EP1397592A1 Injector comprising a piezo actuator |
| 03/17/2004 | EP1053425B1 Piezoelectric drive |
| 03/17/2004 | CN1142624C Single-pitch non-axial-symmetrical vibration type micromotor with piezoelectric membrane |
| 03/16/2004 | US6707236 Non-contact electroactive polymer electrodes |
| 03/16/2004 | US6707235 Piezoelectric transformer |
| 03/16/2004 | US6707233 Ultrasonic motor |
| 03/16/2004 | US6707232 Piezoelectric driving body, ultrasonic motor and electronic apparatus having an ultrasonic motor |
| 03/16/2004 | US6707231 Method and apparatus for controlling a piezo actuator |
| 03/16/2004 | US6707230 Closed loop control systems employing relaxor ferroelectric actuators |
| 03/11/2004 | WO2004021555A2 Single-phase electroactive motor |
| 03/11/2004 | WO2004021091A1 Analog electronic timepiece |
| 03/11/2004 | WO2004020134A1 Tool |
| 03/11/2004 | US20040046485 Piezoelectric vibration gyro-sensor |
| 03/11/2004 | US20040046481 Piezoelectric/electrostrictive film type actuator and method of manufacturing the actuator |
| 03/11/2004 | US20040045148 Uni-body piezoelectric motor |
| 03/11/2004 | CA2497177A1 Single-phase electroactive motor |
| 03/10/2004 | EP1396036A1 Micro piezoelectric actuator and method for fabricating same |
| 03/10/2004 | EP1396012A2 Piezoelectric drive |
| 03/10/2004 | CN1481587A Double electromechanical element |
| 03/10/2004 | CN1480710A Fork oscillating element, its mfg. method, oscillating revolving parts and electronic device |
| 03/10/2004 | CN1141783C Three-dimension self-support swing type high-precision step piezoelectric ultrasonic motor and driving system |
| 03/10/2004 | CN1141782C Bidirectionally rotational ultrasonic motor with multiple groups of piezoelectric rings |
| 03/10/2004 | CN1141781C standing-wave ultrasonic motor rotating bidirectionally |
| 03/09/2004 | US6703768 Piezoelectric generator and mounting structure therefor |
| 03/09/2004 | US6703762 Actuator and driving apparatus thereof |
| 03/09/2004 | US6703761 Method and apparatus for restraining temperature induced deformation of a piezoelectric device |
| 03/09/2004 | US6703760 Surface acoustic wave device and communication apparatus |
| 03/04/2004 | WO2003094252A3 Piezoactuator and method for the production thereof |
| 03/04/2004 | WO2003063262A3 Curved electro-active actuators |
| 03/04/2004 | US20040041498 Piezoelectric generator |
| 03/04/2004 | US20040040132 Piezoelectric composite apparatus and a method for fabricating the same |
| 03/04/2004 | DE10218936B4 Verfahren zur Herstellung elektromechanischer Wandler A process for producing an electromechanical transducer |
| 03/03/2004 | EP1394868A1 Piezoelectric generator |
| 03/03/2004 | EP1394826A2 Micro-relay and method for manufacturing the same |
| 03/03/2004 | EP1393386A2 Passivation material for an electric component and piezoelectric component in the form of a multilayer structure |
| 03/03/2004 | EP1392471A1 Production machine |
| 03/03/2004 | CN1479444A Rod progressive wave type ultrasonic electric machine |
| 03/02/2004 | US6700749 Precise positioning actuator for head element, head gimbal assembly with the actuator, disk drive apparatus with the head gimbal assembly, manufacturing method of actuator and manufacturing method of head gimbal assembly |
| 03/02/2004 | US6700310 Self-powered wireless switch |
| 03/02/2004 | US6700309 Miniature electrical relays using a piezoelectric thin film as an actuating element |
| 03/02/2004 | US6700308 Piezoelectric actuator |
| 03/02/2004 | US6700305 Actuator using a piezoelectric element |
| 02/26/2004 | WO2004016939A1 Piezoelectric actuator module and method for assembling a piezoelectric actuator module |
| 02/26/2004 | WO2003092149A3 Starting-process controller for starting a piezomotor |
| 02/26/2004 | WO2003090288A3 Drive circuit for piezo ceramic device |
| 02/26/2004 | WO2003083957A3 Piezoelectric actuator for moving folded-back arms |
| 02/26/2004 | WO2003079462A3 Piezoelectric motor and method for actuating same |
| 02/26/2004 | WO2003049148A3 Eletro-luminescent backlighting circuit with multilayer piezoelectric transformer |
| 02/26/2004 | US20040036382 Drive mechanism employing electromechanical transducer and drive method therefor |
| 02/26/2004 | US20040036381 Saw filter device and method employing normal temperature bonding for producing desirable filter production and performance characteristics |
| 02/26/2004 | DE19939523B4 Ventil zum Steuern von Flüssigkeiten Valve for controlling fluids |
| 02/19/2004 | WO2004015790A1 Method and device for transforming vibration energy |
| 02/19/2004 | WO2004015789A2 Piezoactuator and method for production of the piezoactuator |
| 02/19/2004 | WO2004015434A1 Placing table drive device and probe method |
| 02/19/2004 | WO2004014132A1 Luminescent lure and luminescent unit |
| 02/19/2004 | WO2003073523A3 Piezo actuator comprising a structured external electrode |
| 02/19/2004 | WO2003043099A3 Oscillating-type piezoelectric generator |
| 02/19/2004 | DE10148603B4 Aktoreinheit mit wenigstens zwei Aktorelementen Actuator with at least two actuator elements |
| 02/18/2004 | EP1389349A2 Linear actuator, particularly an aircraft brake actuator |
| 02/18/2004 | CN1139136C Method and device for controlling at least one capacitive actuator |
| 02/12/2004 | WO2003079459A3 Surface wave motor and method for displacing a movable element |
| 02/12/2004 | WO2003028122A3 Piezoelectric structures |
| 02/12/2004 | US20040027035 Piezoelectric/electrostrictive element and piezoelectric/electrostrictive device and production method thereof |
| 02/12/2004 | US20040027034 Piezoelectric actuator array and manufacturing method |
| 02/12/2004 | US20040027032 Rotary drive device |
| 02/12/2004 | US20040026839 Spring bushing and method for producing a spring bushing |
| 02/12/2004 | DE4445606B4 Betätigungsvorrichtung Actuator |
| 02/11/2004 | EP1387945A1 Piezoelectric actuator module |
| 02/11/2004 | EP1387936A1 Method for controlling a piezoelectric actuator which is used to displace an element |
| 02/11/2004 | CN1474504A Magnetic control shape memery alloy crawling type linea motor |
| 02/11/2004 | CN1474503A Supersonic motor standing wave driving vibrator capable of realizing linear or rotary movement |
| 02/11/2004 | CN1473793A 压电陶瓷组合物和压电元件 The piezoelectric ceramic composition and the piezoelectric element |
| 02/10/2004 | US6690101 Vibratory motors and methods of making and using same |
| 02/10/2004 | US6690100 Piezoelectric actuator and method of compensating direction thereof |
| 02/05/2004 | WO2004012279A2 High resolution piezoelectric motor |
| 02/05/2004 | WO2003010835A3 Piezoelectric multilayer transducer |
| 02/05/2004 | US20040021404 Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuators |
| 02/05/2004 | US20040021399 Piezoelectric ceramic composition and piezoelectric element |
| 02/05/2004 | US20040021397 Magnetoelectric effects of magnetostrictive and piezoelectric layered composites |
| 02/04/2004 | EP0947002B1 Piezo-electric driving or adjusting element |
| 02/04/2004 | CN1473365A Fiezo-actuator |
| 02/04/2004 | CN1472728A Piezo driver and manufacture thereof and disc driver |
| 02/04/2004 | CN1472457A Piezo fluid control valve |
| 02/03/2004 | US6686833 Compound acoustic actuator drive circuit and portable information terminal |
| 02/03/2004 | US6685113 Actuator |
| 01/29/2004 | US20040017134 High resolution piezoelectric motor |
| 01/29/2004 | US20040017133 Piezoelectric/electrostrictive device and method of manufacturing same |
| 01/29/2004 | US20040017132 Multiplexer for a piezo ceramic identification device |
| 01/29/2004 | US20040017131 Piezoelectric actuator, and timepiece and portable equipment having the same |
| 01/29/2004 | US20040017129 Electro active devices |
| 01/29/2004 | US20040016298 Method for obtainig biometric data for an individual in a secure transaction |
| 01/29/2004 | DE10233100A1 Piezoelektrisches Aktormodul und Verfahren zur Montage eines piezoelektrischen Aktormoduls A piezoelectric actuator module and method for mounting a piezoelectric actuator module |
| 01/29/2004 | DE10156836B4 Vorrichtung zur Erzeugung einer rotatorischen Bewegung und Verwendung derselben Device for generating a rotational movement and using the same |
| 01/28/2004 | EP1384308A2 Piezoelectric drive and the use of the same as a drive for heavy loads |
| 01/28/2004 | EP1384273A2 Device for transmitting an excursion of an actuator |