| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 10/14/2004 | US20040201308 Ultrasonic-actuator driving apparatus and ultrasonic-actuator driving method |
| 10/14/2004 | US20040201307 Ultrasonic-motor driving apparatus |
| 10/14/2004 | DE10315961A1 Micro- and nano-positioning system for object moved to point near desired position by coarse actuator, consists of piezoelectric actuator on top of movable platform |
| 10/14/2004 | DE102004009373A1 Piezobetätigungsglied-Antriebsschaltung Piezo actuator drive circuit |
| 10/14/2004 | DE102004008000A1 Gebondetes, mehrschichtiges pizoelektrisches Einheitselement und Verfahren zur Herstellung desselben Bonded, multilayered pizoelektrisches unit element and method of manufacturing the same |
| 10/13/2004 | EP1466501A1 Electromechanical transducer element, method for forming an electromechanical transducer element and transducer formed by said method |
| 10/12/2004 | US6803703 Piezoelectric actuator, liquid jetting head incorporating the same, and method of manufacturing the actuator and head |
| 10/12/2004 | US6803700 Piezoelectric device |
| 10/12/2004 | US6803699 Drive mechanism employing electromechanical transducer and drive method therefor |
| 10/12/2004 | US6803698 Acceleration sensor |
| 10/07/2004 | US20040195939 Actuator, optical fiber moving apparatus, and optical switch |
| 10/07/2004 | US20040195938 Power conversion module |
| 10/07/2004 | US20040195936 Device to control a piezoelectric actuator |
| 10/07/2004 | US20040195935 Near-resonance wide-range operating electromechanical motor |
| 10/07/2004 | US20040195131 Snap tray for medical accessories |
| 10/07/2004 | US20040195060 Method for producing a tubular spring and an actuator unit comprising one such tubular spring |
| 10/07/2004 | DE10311350A1 Verfahren und Vorrichtung zur Reduktion von Schallemissionen und hochfrequenten Schwingungen eines piezoelektrischen Aktors Method and device for reduction of sound emissions, and high-frequency vibrations of a piezoelectric actuator |
| 10/06/2004 | EP1465331A2 Control apparatus and method for low-speed driving of traveling wave driving apparatus |
| 10/06/2004 | CN1534857A Vibration type driver, its controlling device and electronic apparatus with said two devices |
| 10/06/2004 | CN1534856A Controlling device, controlling method and actuator for vibration type driver |
| 10/05/2004 | US6800986 Piezoelectric sensor |
| 10/05/2004 | US6800984 Piezo linear drive with a group of piezo actuator stacks as well as method for operating such a drive |
| 10/05/2004 | US6799461 Tuning fork vibrator, vibrating gyroscope using the same, electronic apparatus using the same, and manufacturing method of the same |
| 09/30/2004 | WO2004084396A1 Ultrasonic float-up device |
| 09/30/2004 | WO2004064117A3 High efficiency passive piezo energy harvesting circuit |
| 09/30/2004 | US20040189969 Drive mechanism, exposure device, optical equipment, and device manufacturing method |
| 09/30/2004 | US20040189155 Ultrasonic transducer and ultrasonic motor |
| 09/30/2004 | US20040189151 Mechanical-to-acoustical transformer and multi-media flat film speaker |
| 09/30/2004 | US20040189150 Vibration-type driving device, control apparatus for controlling the driving of the vibration-type driving device, and electronic equipment having the vibration-type driving device and the control apparatus |
| 09/30/2004 | US20040189145 Method and device for vibration control |
| 09/30/2004 | US20040187281 [mthod for fabricating piezoelectric workpiece with augmenting surface electrode] |
| 09/30/2004 | DE102004007391A1 Piezoaktuator-Ansteuerschaltung und Kraftstoffinjektor Piezo actuator drive circuit and fuel injector |
| 09/29/2004 | EP1389349B1 Linear actuator, particularly an aircraft brake actuator |
| 09/29/2004 | CN1532956A Metoducing holder, method for producing actuator and method for producing slide part |
| 09/29/2004 | CN1532860A Electronic part |
| 09/29/2004 | CN1169236C Method of mfg. semiconductor device |
| 09/28/2004 | US6798123 External electrodes on piezoceramic multilayer actuators |
| 09/28/2004 | US6798119 Piezoelectric/electrostrictive device and method of producing the same |
| 09/28/2004 | US6798118 Piezoceramic shaft-driving type ultrasonic motor |
| 09/28/2004 | US6798117 Fine control of electromechanical motors |
| 09/28/2004 | US6798114 Systems and methods for overcoming stiction |
| 09/28/2004 | US6797914 Joining workpieces by laser welding with powder injection |
| 09/28/2004 | US6796011 Piezoelectric/electrostrictive device and method of manufacturing same |
| 09/23/2004 | WO2004082117A2 Method and device for reducing noise emissions and high-frequency vibrations of a piezoelectric actuator |
| 09/23/2004 | WO2004082116A2 Method for controlling a piezoelectric element |
| 09/23/2004 | WO2004038820A3 Multi-frequency piezoelectric energy harvester |
| 09/23/2004 | US20040184291 Converter circuit |
| 09/23/2004 | US20040183603 Micro-electromechanical structure resonator frequency adjustment using radient energy trimming and laser/focused ion beam assisted deposition |
| 09/23/2004 | US20040183408 Actuator |
| 09/23/2004 | US20040183406 Piezoelectrical bending converter |
| 09/23/2004 | US20040183405 Actuator unit comprising at least two actuator elements |
| 09/23/2004 | US20040183404 Manipulator |
| 09/23/2004 | US20040183403 Thin film piezoelectric element, method of manufacturing the same, and actuator |
| 09/23/2004 | US20040183401 Piezoactuator and a method for producing a piezoactuator |
| 09/23/2004 | US20040183396 Lamination-type piezoelectric element and manufacturing method thereof |
| 09/23/2004 | US20040183147 Electronic device |
| 09/23/2004 | DE10311269A1 Method for controlling a piezoelectric element or actuator based on a measure of quality of the oscillating behavior to provide a control parameter |
| 09/23/2004 | DE102004007999A1 Piezoelektrischer Aktuator A piezoelectric actuator |
| 09/23/2004 | DE102004006266A1 Brennkraftmaschinen-Kraftstoffeinspritzvorrichtung Internal combustion engine fuel injector |
| 09/22/2004 | EP1460755A1 Drive device and recording and/or reproducing device |
| 09/22/2004 | CN1531183A Ultrasonic motor, operating device, optical mechanism and electrical apparatus |
| 09/22/2004 | CN1168342C Complex sound exciter drive circuit and portable information terminal |
| 09/21/2004 | US6794800 Piezoelectric actuator with double comb electrodes |
| 09/21/2004 | US6794795 Method and apparatus for exciting a piezoelectric material |
| 09/21/2004 | US6794746 Method of manufacturing semiconductor device, semiconductor device, narrow-pitch connector, electrostatic actuator, piezoelectric actuator, ink jet head, ink jet printer, micromachine, liquid crystal panel, and electronic device |
| 09/21/2004 | US6794723 Matrix type piezoelectric/electrostrictive device and manufacturing method thereof |
| 09/16/2004 | WO2004080113A2 Device having matched accoustical impedance and method |
| 09/16/2004 | WO2004079832A2 Rolled electroactive polymers |
| 09/16/2004 | US20040178702 Free piston piezoelectric generator |
| 09/16/2004 | US20040178701 Laminated piezoelectric element |
| 09/16/2004 | US20040178700 Ultrasonic transducer and ultrasonic motor |
| 09/16/2004 | US20040178699 Actuator |
| 09/16/2004 | DE10309719A1 Verfahren zur Bestimmung der Ansteuerspannung wenigstens eines elektrischen Aktors Method for determining the drive voltage of at least one electric actuator |
| 09/16/2004 | DE102004006778A1 Gestapelte piezoelektrische Vorrichtung Stacked piezoelectric device |
| 09/15/2004 | EP1456526A1 Fuel injection valve |
| 09/15/2004 | EP1292994B1 Piezo actuator |
| 09/15/2004 | CN2641917Y Harmonic dynamo |
| 09/15/2004 | CN2641916Y End harmonic dynamo |
| 09/15/2004 | CN1167194C Piezocrystal resonator and FM inspection circuit therewith |
| 09/14/2004 | US6791240 Ultrasonic transducer apparatus |
| 09/14/2004 | US6791239 Piezoelectric transformation driving apparatus |
| 09/14/2004 | US6791235 Systems and methods for overcoming stiction |
| 09/10/2004 | WO2004077653A1 Powerless type security device |
| 09/10/2004 | WO2004077652A1 Piezoelectric power generator |
| 09/10/2004 | WO2004077651A1 Motor control device |
| 09/10/2004 | WO2004077584A1 Piezoelectric actuator with passive gap for push-pull motion |
| 09/10/2004 | WO2004077582A1 Pull type actuator |
| 09/09/2004 | US20040174772 Acoustical source and transducer having, and method for, optimally matched acoustical impedance |
| 09/09/2004 | US20040174415 Piezoelectric actuator |
| 09/09/2004 | US20040174096 Piezo actuator for operating a mechanical component |
| 09/09/2004 | US20040174048 Notchback motor vehicle |
| 09/09/2004 | DE10130857B4 Elektronischer Kompensator für ein piezoelektrisches Betätigungsglied Electronic compensator for a piezoelectric actuator |
| 09/08/2004 | CN1528023A Passivation material for an electric component and piezoelectric component in the form of a multilayer structure |
| 09/08/2004 | CN1527473A Multivariable supersonic motor servo controller based on PWM mode |
| 09/08/2004 | CN1527415A Thin film piezoelectric element, producing method and executing element thereof |
| 09/08/2004 | CN1166049C Vibrating type driving device |
| 09/08/2004 | CN1166013C Piezoelectric actuator |
| 09/08/2004 | CN1166011C Device for controlling at least one capacitive regulator |
| 09/08/2004 | CN1166010C Method and device for analyzing temp. of piezoelectric component |
| 09/07/2004 | US6787975 Piezoelectric device for injector |