Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02N - Electric machines not otherwise provided for › H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction
Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251)
07/2003
07/17/2003US20030133247 Overlapping type piezoelectric stator, overlapping type piezoelectric actuator and applications thereof
07/17/2003US20030133230 Piezoelectric actuator, driving method and information storage device
07/17/2003DE20306811U1 Voltage generator for electric motor, using piezo crystals
07/16/2003CN2561162Y Supersonic electric motor
07/16/2003CN1429666A Vibrator and vibration wave driving device with the vibrator
07/15/2003US6594093 Adjusting apparatus for an optical element in a lens system
07/15/2003US6593712 Drive control device of vibration wave motor
07/15/2003US6593679 Surface acoustic wave element, frequency filter, frequency oscillator, electronic circuit, and electronic apparatus
07/15/2003US6592591 Foldable lens delivery system
07/10/2003WO2003056279A1 Sensor system
07/10/2003US20030127948 Apparatus having a pair of opposing surfaces driven by a piezoelectric actuator
07/10/2003US20030127947 Multi-piezoelectric layer ultrasonic transducer for medical imaging
07/09/2003CN1429411A Piezoelectric bending transducer and use thereof
07/09/2003CN1428926A Electric activated polymer exciter and diaphragm pump containing it
07/03/2003WO2003055054A1 Ultrasonic motor, and electronic timepiece having ultrasonic motor
07/03/2003WO2003055053A1 Drive device and recording and/or reproducing device
07/03/2003WO2003054979A2 Piezo-actuator
07/03/2003WO2003054396A1 A method of releasing an attachment
07/03/2003WO2003054378A1 Fuel injection valve
07/03/2003WO2003054377A1 Fuel injection valve
07/03/2003US20030123036 Piezoelectric actuator and a lithographic apparatus and a device manufacturing method
07/03/2003US20030122658 Compound acoustic actuator drive circuit and portable information terminal
07/03/2003US20030122454 Actuator and method of manufacturing a strain element
07/03/2003US20030122451 Vibration member and vibration wave driving apparatus using the vibration member
07/03/2003US20030122450 Piezoelectric shear resonator, compostie piezoelectric shear resonator, and piezoelectric resonator component
07/03/2003US20030122448 Generator for use in a microelectromechanical system
07/03/2003US20030122446 High strain gels, gel composites and artificial muscel actuators made thereform
07/02/2003EP1323925A2 Electroactive polymer actuator and diaphragm pump using the same
07/02/2003EP1323668A2 Generator for use in a microelectromechanical system
07/02/2003EP1322873A1 Piezoelectric extension actuator
07/02/2003CN1113162C Method and device for charging capacitive actuator
07/01/2003US6587313 Piezoelectric actuator and information storage apparatus
07/01/2003US6586947 Method and device for inspecting a microactuator
07/01/2003US6586863 Rosen type piezoelectric transformer with multiple output electrodes
07/01/2003US6586860 Ultrasonic motor and electronic device with ultrasonic motor
07/01/2003US6586859 Electroactive polymer animated devices
07/01/2003US6584708 Membraneless piezoelectric/electrostrictive microactuator and manufacturing method thereof
06/2003
06/26/2003US20030117742 Head positioner and disk drive using the same
06/26/2003US20030117044 Electroactive polymer actuator and diaphragm pump using the same
06/26/2003US20030117042 Method and apparatus for restraining temperature induced deformation of a piezoelectric device
06/26/2003US20030117040 Ultrasonic motor and stator for ultrasonic motor
06/26/2003DE10135962C1 Production of a controlled deformable functional element comprises applying an actuator on an exposed metallic material surface of a metallic substrate, and surrounding the actuator
06/25/2003EP1322030A1 Overlapping type piezoelectric stator, overlapping type piezoelectric acturator and applications thereof
06/25/2003EP1320921A1 Piezoelectric energy harvester and method
06/25/2003EP1021843B1 Electromechanical converter and method for producing the same
06/25/2003CN1112759C Rotary type travelling wave ultrasonic motor and apparatus for driving curtain to be opened or closed using same
06/24/2003US6583533 Electroactive polymer electrodes
06/19/2003WO2003050821A1 Force scanning probe microscope
06/19/2003WO2002103816A3 A piezoelectric actuator
06/19/2003US20030111935 Quartz-crystal unit
06/19/2003US20030111934 Method of calculating the voltage setpoint of a piezoelectric element
06/19/2003US20030111933 Method and apparatus for exciting a piezoelectric material
06/19/2003US20030111932 Method and apparatus for compensating for temperature induced deformation of a piezoelectric device
06/19/2003US20030110844 Force scanning probe microscope
06/18/2003EP1319859A1 Braking device
06/18/2003CN1424819A Piezoelectric sliding resonator, composite piezoelectric sliding resonator and piezoelectric resonant element
06/18/2003CN1424815A Double rotor cylinder bending vibration ultrasonic motor
06/18/2003CN1424814A Vibrating driver and shape estimating method of elastomer supporting member of its vibrator
06/18/2003CN1111939C Linear ultrasonic motor and its driving oscillator
06/17/2003US6580198 Surface acoustic wave device having a thin metal oxide film fully covering at least the electrodes and method of fabricating same
06/12/2003WO2003049148A2 Eletro-luminescent backlighting circuit with multilayer piezoelectric transformer
06/12/2003WO2002089225A3 Passivation material for an electric component and piezoelectric component in the form of a multilayer structure
06/12/2003US20030107303 Transducer array using multi-layered elements and a method of manufacture thereof
06/12/2003US20030107301 Piezoelectric actuator
06/12/2003US20030107299 Vibration wave driving apparatus, and method of setting shape of support member supporting elastic member forming vibration member of vibration wave driving apparatus
06/12/2003US20030107298 Apparatus and method for controlling ultrasonic motor
06/12/2003US20030107296 Lever mechanism for increasing displacement of micro-actuating device
06/11/2003EP1318328A2 Transmission device for a electric motor
06/11/2003CN2555587Y Piezoelectric supersonic micromotor
06/11/2003CN1423405A Piezoelectric driving device and regulation method used for same
06/11/2003CN1423276A Film piezoelectric element and making method thereof and actuator device using same
06/05/2003WO2003047008A1 Curved shape actuator device composed of electro active layer and fiber composite layers
06/05/2003US20030102774 Electro-luminescent backlighting circuit with multilayer piezoelectric transformer
06/04/2003EP1317056A2 Oscillating-type generator
06/04/2003EP0938753B1 Piezoelectric actuator with an electrical connection
06/04/2003CN1422445A Piezoceramic bending transducer and use thereof
06/04/2003CN1422361A Method and device for controlling at least one capacitive actuator
06/04/2003CN1421989A Differential double acting method and system for raising step precision and low-step torque of piezoelectric motor
06/04/2003CN1110887C Control method of ultrasound motor and its apparatus
06/03/2003US6573639 Piezoelectric actuator
06/03/2003US6573636 Ultrasonic motor having single booster circuit and electronic device with ultrasonic motor
06/03/2003US6573157 Method of manufacturing semiconductor device, narrow pitch connector, electrostatic actuator, piezoelectric actuator, ink jet head, ink jet printer, micromachine, liquid crystal panel, and electronic device
06/03/2003US6571444 Method of manufacturing an ultrasonic transducer
05/2003
05/30/2003WO2003044874A2 Device for controlling an electronically-monitored ultrasonic piezoelectric actuator, and method for using same
05/30/2003WO2003043824A2 Oriented piezoelectric film
05/30/2003WO2003043541A1 An electromechanical actuator and methods of providing same
05/30/2003WO2002078098A3 Device for controlling a piezoelectric actuator
05/29/2003US20030099071 Circuit system for discharging a buffer capacitor used for supplying high voltage to a control unit, in particular a control unit for actuating a piezoelectric output stage
05/29/2003US20030098632 Matrix type piezoelectric/electrostrictive device and manufacturing method thereof
05/28/2003EP1314210A1 Piezoactuator and a method for producing a piezoactuator
05/28/2003DE10149746C1 Verfahren zur Herstellung einer Rohrfeder sowie Aktoreinheit mit einer solchen Rohrfeder A method for producing a tubular spring and the actuator unit with a tube spring such
05/28/2003DE10143501C1 Verfahren zum Ansteuern eines piezobetriebenen Kraftstoff-Einspritzventils A method of driving a piezo-driven fuel injection valve
05/28/2003CN1420616A Ultrasonic motor precision locating device
05/28/2003CN1110122C Miniature integrative precisive plane moving mechanism and device
05/27/2003US6570300 Piezoelectric bending transducer and method for producing the transducer
05/27/2003US6570298 Vibration control device and driving method thereof
05/27/2003US6570296 Drive mechanism with ultrasonic motor and electronic device with ultrasonic motor
05/27/2003US6570294 Ultrasonic motor and ultrasonic motor-equipped electronic appliance
05/22/2003WO2003043099A2 Oscillating-type piezoelectric generator
05/22/2003US20030095678 Loudspeaker using an electro-active device
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