| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 01/12/2005 | CN1564717A Device and method for producing high-pressure ultrasonic pulses |
| 01/12/2005 | CN1564452A Phase change temp controlling super magneto strictive extension microshifting actuator |
| 01/12/2005 | CN1564451A Mini piezoelectric drive for MEMS |
| 01/12/2005 | CN1564450A Double-polar piezoelectric ceramic drive power supply having waveform generation function |
| 01/11/2005 | US6841919 Piezoactuator and drive circuit therefor |
| 01/11/2005 | US6841899 Actuator, actuator driving method, and atcuator system |
| 01/11/2005 | US6840886 Method and apparatus for a low cost, high speed, and compact nanometer precision motion stage using friction drive and flexure hinge |
| 01/11/2005 | US6840477 Fluttering wing-operated flying moving apparatus |
| 01/06/2005 | US20050001704 Electromagnetostrictive actuator |
| 01/06/2005 | US20050001516 Piezoelectric motor and method of exciting an ultrasonic traveling wave to drive the motor |
| 01/06/2005 | US20050001514 Cell driving type piezoelectric/electrostrictive actuator and method of manufacturing the same |
| 01/06/2005 | US20050001513 Low voltage low loss piezoelectric driver and switching apparatus |
| 01/06/2005 | US20050000311 Actuator system |
| 01/05/2005 | EP0879373B1 Piezoelectric actuator |
| 01/05/2005 | DE102004025073A1 Piezoelectric actuating element for fuel injector, has piezoelectric units with alternating piezoceramic layer stacks, internal electrode layer; no more than 50 stacks of piezoceramic layers |
| 01/05/2005 | CN1183610C Driving device for at least two rotation elements, which device comprises at least one piezoelectric driving element |
| 01/05/2005 | CN1183609C Piezoelectric actuator |
| 01/04/2005 | US6838808 Stage-actuators that do not generate fluctuating magnetic fields, and stage devices comprising same |
| 12/30/2004 | US20040263028 Electroactive polymers |
| 12/30/2004 | US20040263025 Apparatus and process for optimizing work from a smart material actuator product |
| 12/30/2004 | US20040262925 Control apparatus and program |
| 12/30/2004 | US20040262555 Apparatus, system and method of using a vibration beam with a piezo-electric actuator |
| 12/30/2004 | DE19928780B4 Stellantrieb Actuator |
| 12/30/2004 | DE102004011455A1 Rohrfeder für Aktor und Verfahren zur Montage der Rohrfeder Bourdon tube for the actuator and the method of assembling the tube spring |
| 12/29/2004 | WO2004114424A1 Piezoelectric component comprising electric connection elements and use of said component |
| 12/29/2004 | EP1490913A2 Piezoelectric actuator for moving folded-back arms |
| 12/29/2004 | CN1558416A Magnetic head actuator and its manufacturing method |
| 12/29/2004 | CN1182650C Miniature piezoelectric linear driver |
| 12/29/2004 | CN1181977C Piezoelectric structure, liquid spray nozzle and manufacturing method thereof |
| 12/28/2004 | US6836057 Drive mechanism employing electromechanical transducer |
| 12/28/2004 | US6836056 Linear motor having piezo actuators |
| 12/28/2004 | US6835463 Magnetoelectric multilayer composites for field conversion |
| 12/23/2004 | WO2004112232A1 Piezoelectric electromechanical drive unit |
| 12/23/2004 | WO2004112158A1 Piezoelectric actuator and excitation method |
| 12/23/2004 | WO2004112088A2 Self cooling piezo actuator for high temperature applications |
| 12/23/2004 | WO2004098039A3 Piezoelectric motor allowing at least two degrees of freedom, in rotation and linear displacement |
| 12/23/2004 | US20040256957 Operating apparatus and an electric instrument |
| 12/23/2004 | US20040256956 Operating apparatus and an electric Instrument |
| 12/23/2004 | US20040256955 Piezoelectric element formation member, method of manufacturing the same, piezoelectric actuator unit and liquid ejection head incorporating the same |
| 12/23/2004 | US20040256954 Piezomotor with a guide |
| 12/23/2004 | US20040256951 Control apparatus capable of low-speed driving of vibration type driving apparatus, actuating apparatus using the control apparatus, control method capable of low-speed driving of vibration type driving apparatus, and storage medium storing program including program codes capable of realizing the control method |
| 12/23/2004 | DE10322836A1 Inkrementeller Antrieb Incremental drive |
| 12/22/2004 | EP1489291A1 Method and device for operating A CAPACITIVE ACTUATOR |
| 12/22/2004 | EP1488663A1 Method and system for external assessment and positioning of hearing aids that include implanted actuators |
| 12/22/2004 | EP1488501A2 Surface wave motor and method for displacing a movable element |
| 12/22/2004 | EP1488467A2 Piezostack and method for producing a piezostack |
| 12/22/2004 | EP1488089A1 Method and device for controlling the piezo-actuator of a piezo-control valve of a pump nozzle unit |
| 12/22/2004 | EP1171919A4 Multi-piezoelectric layer ultrasonic transducer for medical imaging |
| 12/22/2004 | CN1556583A Rotary piezoelectric electric machine using clutch coupled driving |
| 12/21/2004 | US6833656 Electro active devices |
| 12/21/2004 | US6833654 Dual crystal package |
| 12/21/2004 | US6832906 Apparatus for generating surface pressure in an injection molding machine |
| 12/18/2004 | CA2471393A1 Low voltage low loss piezoelectric driver and switching apparatus |
| 12/16/2004 | WO2004109819A1 Piezoelectric/electrostriction element and method for making the same |
| 12/16/2004 | WO2004109818A1 Tube spring for an actuator, and method for mounting said tube spring |
| 12/16/2004 | WO2004109817A2 Electroactive polymer contractible actuator |
| 12/16/2004 | WO2004082117A3 Method and device for reducing noise emissions and high-frequency vibrations of a piezoelectric actuator |
| 12/16/2004 | US20040254506 Device and method for producing high-pressure ultrasonic pulses |
| 12/16/2004 | US20040251789 Power source apparatus |
| 12/16/2004 | US20040251786 A method of manufacturing a piezoelectric/ electrostrictive device |
| 12/16/2004 | US20040251785 Cell driving type piezoelectric actuator, and method of manufacturing cell driving type piezoelectric actuator |
| 12/16/2004 | US20040251782 Electromagnetic drive unit |
| 12/16/2004 | US20040251778 Actuator using piezoelectric element, and driving circuit for the same |
| 12/16/2004 | US20040251775 Apparatus to control displacement of a body spaced-apart from a surface |
| 12/16/2004 | US20040251771 Piezoelectric actuator |
| 12/16/2004 | US20040250621 Tuning fork vibrator, vibrating gyroscope using the same, electronic apparatus using the same, and manufacturing method of the same |
| 12/16/2004 | DE102004019052A1 Linearizing procedure for deflection activity of piezo-actuator, requires using non-linear piezo-ceramic as feedback capacitor |
| 12/15/2004 | EP1485985A2 Piezoelectric motor and method for actuating same |
| 12/15/2004 | EP1485607A1 Sealing element for the piezo actuator of a fuel injection valve |
| 12/15/2004 | EP1135595B1 Valve for controlling liquids |
| 12/15/2004 | CN1555566A Power source apparatus |
| 12/14/2004 | US6831807 Head positioner and disk drive using the same |
| 12/14/2004 | US6831394 Backing material for micromachined ultrasonic transducer devices |
| 12/14/2004 | US6831393 Linear actuator |
| 12/09/2004 | WO2004107554A2 Piezoelectric motor and method of exciting an ultrasonic traveling wave to drive the motor |
| 12/09/2004 | WO2004107465A2 Thermally compensated piezoelectric assembly |
| 12/09/2004 | US20040245889 Systems and methods for overcoming stiction |
| 12/09/2004 | US20040244265 Luminescent lure and luminescent unit |
| 12/09/2004 | DE102004012284A1 Piezoelektrisches Schichtelement A piezoelectric element layer |
| 12/08/2004 | EP1483826A1 Piezoelectric motor control |
| 12/08/2004 | EP1322873B1 Piezoelectric extension actuator |
| 12/08/2004 | CN1554145A Driving device for ultrasonic motor |
| 12/02/2004 | US20040239714 Droplet ejection apparatus |
| 12/02/2004 | US20040239381 Driving method of piezoelectric actuator, driving apparatus of piezoelectric actuator, electronic watch, electronics, control program of piezoelectric actuator, and storage medium |
| 12/02/2004 | US20040237676 Sensor using electro active curved helix and double helix |
| 12/02/2004 | DE10319125A1 Radio apparatus converting mechanical into electrical energy, for remote control, has signal transmission assisted by energy store and information memory to derive signal order |
| 12/02/2004 | DE102004015638A1 Operation apparatus for zoom camera, has vibration element which is contacted by to-be-contacted portion, so that element transmits power to rotate drive element through contact portion |
| 12/01/2004 | EP1482630A1 Linear actuator |
| 12/01/2004 | EP1482571A2 Cell driving type piezoelectric/electrostrictive actuator and method of manufacturing the same |
| 12/01/2004 | EP1482570A1 Thermally compensated piezoelectric assembly |
| 12/01/2004 | EP1482569A1 Piezoelectric assembly |
| 12/01/2004 | EP1397592B1 Injector comprising a piezo actuator |
| 12/01/2004 | CN1551480A Ultrasonic-motor driving apparatus |
| 12/01/2004 | CN1551479A Ultrasonic-actuator driving apparatus and ultrasonic-actuator driving method |
| 11/30/2004 | US6826504 Method and apparatus for controlling system parameters |
| 11/30/2004 | US6825592 Vibratory motors and methods of making and using same |
| 11/30/2004 | US6825591 Method for controlling a piezoelectric drive and a piezoelectric drive for the implementation of the method |
| 11/30/2004 | US6825590 Adjustable compensation of a piezo drive amplifier depending on mode and number of elements driven |
| 11/25/2004 | WO2004102782A1 Pressure control device and rotation drive mechanism |
| 11/25/2004 | WO2004102127A1 Incremental drive |