| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) | 
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| 10/01/2002 | US6459190 Switched actuator control | 
| 10/01/2002 | US6459088 Drive stage and scanning probe microscope and information recording/reproducing apparatus using the same | 
| 09/26/2002 | WO2002075913A1 Piezo-electric drive | 
| 09/26/2002 | WO2002037892A3 Operating element | 
| 09/26/2002 | US20020136418 High efficiency regenerative piezoelectric drive amplifier | 
| 09/26/2002 | US20020135639 Flextensional transducer | 
| 09/26/2002 | US20020135275 Piezoelectric actuator | 
| 09/26/2002 | US20020135273 Enhanced bandwidth composite transducer for imaging applications and method of manufacturing therefor | 
| 09/26/2002 | US20020135272 Curved film electrostatic ultrasonic transducer | 
| 09/26/2002 | US20020135268 Surface acoustic wave apparatus and communication unit | 
| 09/26/2002 | US20020135266 Method for topographical patterning of a device | 
| 09/26/2002 | DE10113670A1 Driving piezoelectric actuator for fuel injection system in IC engine, involves selecting voltage that can be tapped at piezoelectric actuator during charge/discharge time depending on engine operating situation | 
| 09/26/2002 | DE10113660A1 Piezoelectric drive has cylindrical piezoelectric element of stator contacted by projections of mechanical coupling released periodically for rotation of rotor | 
| 09/25/2002 | EP1243417A2 Flextensional transducer | 
| 09/24/2002 | US6455984 Piezoelectric/electrostrictive device and method of manufacturing same | 
| 09/24/2002 | US6455983 Piezoelectric motor | 
| 09/24/2002 | US6454239 Valve for controlling liquids | 
| 09/19/2002 | WO2002073799A1 A vibrator using the piezoelectric material | 
| 09/19/2002 | WO2002073710A1 Piezoelectric/electrostrictive film type actuator and method of manufacturing the actuator | 
| 09/19/2002 | WO2002073656A2 Piezoactuator comprising electric contacting without isolation zones and method for the production thereof | 
| 09/19/2002 | US20020130673 Electroactive polymer sensors | 
| 09/19/2002 | DE10206115A1 Piezokeramische Vielschichtaktoren sowie ein Verfahren zu ihrer Herstellung Piezoceramic multilayer actuators and a process for their preparation | 
| 09/19/2002 | DE10108751A1 Energy-saving circuit for temporary activation of electrical device in stand-by mode uses triac connecting electrical load to current network for timed duration | 
| 09/19/2002 | DE10106057A1 Piezokeramische Platte und Verfahren zum Herstellen derselben Piezoceramic plate and method of making same | 
| 09/18/2002 | EP1241715A2 Vibration wave driving apparatus | 
| 09/18/2002 | EP1240676A2 Electro-active devices | 
| 09/18/2002 | EP1240550A2 High precision orientation alignment and gap control stages for imprint lithography processes | 
| 09/17/2002 | US6452350 Linear drive | 
| 09/17/2002 | US6452308 Piezoelectric actuator | 
| 09/17/2002 | US6449828 Method of producing a surface acoustic wave component | 
| 09/17/2002 | US6449821 Method of constructing segmented connections for multiple elevation transducers | 
| 09/12/2002 | WO2002071592A2 Electroactive polymer rotary motors | 
| 09/12/2002 | WO2002071503A1 A transducer array using multi-layered elements and a method of manufacture thereof | 
| 09/12/2002 | WO2002045234A3 Electric power supply for a portable electronic device | 
| 09/12/2002 | US20020125794 Vibrating piece, vibrator, oscillator, and electronic device | 
| 09/12/2002 | US20020125792 Acceleration sensor | 
| 09/12/2002 | US20020125791 Double resonating beam force transducer with reduced longitudinal pumping | 
| 09/12/2002 | DE10202574A1 Piezokeramischer Vielschichtaktor mit einem Übergangsbereich zwischen dem aktiven Bereich und den inaktiven Kopf- und Fußbereichen A piezoceramic multilayer actuator with a transition region between the active region and the inactive head and foot regions | 
| 09/12/2002 | DE10109589A1 Mikroreaktor Microreactor | 
| 09/11/2002 | EP1239589A1 Surface acoustic wave apparatus and communications unit | 
| 09/11/2002 | EP1239525A2 Piezoceramic multilayer actuators and method of manufacturing | 
| 09/11/2002 | EP1238436A2 Self-powered remote control device, electrical apparatus and installation comprising same | 
| 09/11/2002 | CN1369115A Electrode contact for piezoceramic actuator and method for producing same | 
| 09/11/2002 | CN1368867A Power assistance device for ultrasonic vibration dental handpiece | 
| 09/10/2002 | US6448694 Actuator and driving method thereof | 
| 09/10/2002 | US6448693 Piezoelectric/electrostrictive device and method of manufacturing same | 
| 09/10/2002 | US6448692 Piezoelectric actuator | 
| 09/10/2002 | US6448691 Piezoelectric/electrostrictive device and method of manufacturing same | 
| 09/06/2002 | WO2002068112A1 Micro-reactor | 
| 09/06/2002 | WO2002037582A3 Nanoscale piezoelectric generation systems | 
| 09/06/2002 | WO2001003282A9 Piezoelectric drive, especially a holding frame, a friction element and a circuit configuration | 
| 09/06/2002 | CA2439318A1 Microreactor | 
| 09/05/2002 | US20020121958 Method and circuit for driving at least one capacitive actuator | 
| 09/05/2002 | US20020121908 Method and device for inspecting a microactuator | 
| 09/05/2002 | US20020121869 Control apparatus for vibration wave actuator | 
| 09/05/2002 | US20020121845 Piezotransformer with a large transformation ratio | 
| 09/05/2002 | US20020121844 Piezoelectric generator | 
| 09/05/2002 | US20020121843 Piezoelectric/electrostrictive device and method of fabricating the same | 
| 09/05/2002 | DE10109994A1 Piezotransformator mit großem Übersetzungsverhältnis Piezotransformer with large ratio | 
| 09/04/2002 | EP1237206A2 Piezoelectric transformer with large transmission ratio | 
| 09/04/2002 | EP1237205A2 Piezoelectric/electrostrictive device for light reflection and method for fabricating the same | 
| 09/04/2002 | CN1367634A SAW filter device | 
| 09/04/2002 | CN1367047A Vibrating element and vibrating wave driving device | 
| 09/04/2002 | CN1367046A Vibrating element and vibrating wave driving device | 
| 09/03/2002 | US6443547 Driving device for inkjet recording apparatus and inkjet recording apparatus using the same | 
| 09/01/2002 | CA2373872A1 Piezotransformer with a large transformation ratio | 
| 08/29/2002 | WO2002067411A1 Energy recovery in electromechanical motors | 
| 08/29/2002 | US20020117941 Transducer array using multi-layered elements and a method of manufacture thereof | 
| 08/29/2002 | US20020117939 Piezoelectric actuator drive circuit and fuel injection system | 
| 08/29/2002 | US20020117937 Micro-relay and method for manufacturing the same | 
| 08/29/2002 | US20020117906 Method for producing motion and force by controlling the twin structure orientation of a material and its uses | 
| 08/29/2002 | US20020117583 Moving apparatus | 
| 08/29/2002 | US20020117153 Pre-treatment method for an electromechanical transducer | 
| 08/29/2002 | DE10106315A1 Verfahren zum Betrieb einer Karde sowie eine Karde Method for operating a card and a card | 
| 08/28/2002 | EP1235285A2 Manufacturing method for piezoceramic multilayer actuators | 
| 08/28/2002 | EP1235284A2 Piezoceramic plate and method of manufacturing the same | 
| 08/28/2002 | EP1235283A2 Piezoelectric actuator drive circuit and fuel injection system | 
| 08/28/2002 | EP1234346A1 Piezoelectric drive | 
| 08/28/2002 | EP1234345A2 Electronic circuit for highly efficient driving of piezoelectric loads | 
| 08/28/2002 | CN1366379A Single-pitch non-axial-symmetrical vibration membrane type micromotor with piezoelectric membrane | 
| 08/27/2002 | US6441536 Wobble motor | 
| 08/27/2002 | US6441535 Method and apparatus for driving at least one capacitive control element | 
| 08/27/2002 | US6441534 Ultrasonic motor and electronic apparatus equipped with ultrasonic motor | 
| 08/27/2002 | US6439539 Electrically controllable valve | 
| 08/22/2002 | US20020113563 Energy recovery in electromechanical motors | 
| 08/22/2002 | US20020113524 Temperature-compensated piezoelectric force motor | 
| 08/22/2002 | US20020113522 Piezoelectric motor | 
| 08/22/2002 | US20020113521 Method for producing surface acoustic wave sensors and such a surface acoustic wave sensor | 
| 08/22/2002 | DE10205928A1 Verfahren zur Herstellung piezokeramischer Vielschichtaktoren Process for the preparation of piezoceramic stack actuators | 
| 08/22/2002 | DE10203367A1 Vibrationsgyroskop, elektronisches Gerät, das dasselbe verwendet und Eigendiagnoseverfahren für ein Vibrationsgyroskop Vibratory gyroscope, electronic device that uses the same and self-diagnosis method for a vibrating gyroscope | 
| 08/22/2002 | DE10107220A1 Ventil zum Steuern von Flüssigkeiten Valve for controlling fluids | 
| 08/21/2002 | EP1233462A2 Multilayer actuator with shifted contact areas of internal electrodes having the same polarization to their external electrode | 
| 08/21/2002 | EP1233461A2 Piezoceramic multilayer actuator having a transition zone between the active zone and the inactive head and foot zone | 
| 08/21/2002 | EP1232669A1 Electromechanic film and acoustic element | 
| 08/20/2002 | US6437964 Capacitive element driving apparatus | 
| 08/20/2002 | US6437489 Actuator utilizing piezoelectric transducer | 
| 08/20/2002 | US6437487 Transducer array using multi-layered elements and a method of manufacture thereof | 
| 08/20/2002 | US6437481 Control device for vibration type motor and apparatus using thereof | 
| 08/20/2002 | US6437480 Apparatus and method for driving an ultrasonic motor to reduce rise response time | 
| 08/20/2002 | US6435162 Method and apparatus for charging at least one capacitive control element |