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)
05/2003
05/22/2003US20030094882 Piezoelectric actuator device
05/22/2003DE19934605C2 Anordnung zur rotatorischen Positionierung Arrangement for the rotational positioning
05/21/2003EP1312785A2 Circuit for loading and unloading piezoelectric elements as well as for the disconnection of a Piezo driver
05/21/2003EP1312444A2 Spindle structure in ultrasonic machine and supporting horn used in the same
05/21/2003EP1312171A2 Energy self-sufficient high frequency transmitter
05/20/2003US6566790 Driving apparatus and driving method of piezoelectric actuator
05/20/2003US6566789 Piezoelectric/electrostrictive device and method of manufacturing same
05/15/2003WO2003041181A2 Device for converting mechanical energy into electrical energy
05/15/2003WO2003040541A1 Electro-active polymer as a fuel vapor control valve actuator
05/15/2003US20030089303 Oriented piezoelectric film
05/14/2003EP1311007A1 Piezoelectric actuator, lithographic apparatus and device manufacturing method
05/14/2003EP1311005A2 Method and apparatus for charging and discharging a piezoelectric element
05/14/2003EP1311004A2 Method of calculating a target voltage for a piezoelectric element
05/14/2003EP1311003A2 Method of charging and discharging a piezoelectric element
05/14/2003EP1310038A1 Walking actuator
05/14/2003EP1310003A1 Silenced actuator unit
05/14/2003CN1418135A Unidirectional acoustic probe and method for making same
05/14/2003CN1417796A magnetic head locator and magnetic disc equipment with the locator
05/14/2003CN1416998A Main shaft structure for ultrasonic processing machice and its support born in the same
05/13/2003US6563687 Piezoelectric device for injector, method for producing the same, and injector
05/13/2003US6563254 Inertial/audio unit and construction
05/13/2003US6563253 Piezoelectric actuator
05/13/2003US6563252 Circuit and method for driving at least one capacitive actuator
05/13/2003US6563251 Energy recovery in electromechanical motors
05/13/2003US6561509 Monitoring apparatus for the sheet feed to a sheet-processing machine, and method of monitoring the sheet stream structure/the sheet stream
05/13/2003US6561149 Rotary phase controller, and valve timing controller of internal combustion engine
05/08/2003WO2003038920A2 Curved electro-active actuators
05/08/2003WO2003038919A1 Piezoelectric devices
05/08/2003WO2003038918A2 Device for driving an electronically monitored ultrasonic piezoelectric actuator and method for using same
05/08/2003WO2003038917A2 Method and device for charging and discharging a piezoelectric element
05/08/2003US20030085634 Assembly having a component enclosed by a housing, and device and method used in its manufacture
05/08/2003US20030085633 Piezo linear drive with a group of piezo actuator stacks as well as method for operating such a drive
05/08/2003US20030085632 Spindle structure in ultrasonic machine and supporting horn used in the same
05/08/2003US20030085630 Drive apparatus
05/07/2003EP0958620B1 Piezo electric actuator with a new type of contacting and a method for the production thereof
05/06/2003US6559574 Stacked electro-mechanical energy conversion element and vibration wave driving device using the same
05/06/2003US6559550 Nanoscale piezoelectric generation system using carbon nanotube
05/01/2003WO2003036786A2 Piezoelectric motor
05/01/2003WO2003036785A2 Piezo actuator for operating a mechanical component
04/2003
04/29/2003US6553834 Double resonating beam force transducer with reduced longitudinal pumping
04/24/2003WO2003034579A2 High voltage generator, especially for using as a noise frequency generator
04/24/2003WO2003034366A1 Wireless sensor system
04/24/2003WO2003033933A1 Method for producing a tubular spring and an actuator unit comprising one such tubular spring
04/24/2003WO2003033905A1 Fuel injection valve
04/24/2003US20030078744 Method for testing a capacitive actuator
04/24/2003US20030076009 Piezoceramic bending transducer and use thereof
04/23/2003EP1304683A2 Recording medium drive and head assembly therefor
04/23/2003CN1412744A Piezoelectric actuator device for magnetic head assembly
04/22/2003US6552472 Piezoelectric actuator
04/22/2003US6552471 Multi-piezoelectric layer ultrasonic transducer for medical imaging
04/22/2003US6552470 Piezoelectric motor
04/17/2003WO2003031798A2 Actuator unit comprising at least two actuator elements
04/17/2003US20030071541 Piezoelectric actuator set for head assembly
04/17/2003US20030071328 Piezoelectric element
04/17/2003DE10015183C2 Piezoelektrische Keramikzusammensetzung, dieselbe verwendender Summer und Aktuator The piezoelectric ceramic composition, the same used Direction buzzer and actuator
04/16/2003EP1302990A2 Control method for a piezoelectric actuator and corresponding actuator
04/15/2003US6548939 Piezoelectric bending transducer
04/15/2003US6548938 Apparatus having a pair of opposing surfaces driven by a piezoelectric actuator
04/15/2003US6548926 Linear displacement actuator
04/15/2003US6548921 Linear actuator of small size
04/10/2003WO2003028904A1 Device and method for producing high-pressure ultrasonic pulses
04/10/2003US20030067250 Ceramic stack, method of manufacturing ceramic stack, piezoelectric/electrostrictive device, method of manufacturing piezoelectric/electrostrictive device, and ceramic sintered body
04/10/2003US20030067247 Method for controlling a piezoelectric drive and a piezoelectric drive for the implementation of the method
04/10/2003US20030067244 Piezoelectric transducer apparatus having a modal-shaped electrode
04/10/2003US20030066516 Internal cobustion engine and method, computer program and control apparatus for operating the internal combustion engine
04/09/2003EP1299940A1 Mechanical-to-acoustical transformer and multi-media flat film speaker
04/09/2003EP1261487A4 Micromachined two-dimensional array droplet ejectors
04/09/2003EP0885087B1 Displacement device with a modular system of displacement units
04/09/2003CN1409889A Piezoelectric generating apparatus
04/09/2003CN1409877A Self-powred remote control device, electrical apparatus and installation comprising same
04/08/2003US6545395 Piezoelectric conversion element having an electroded surface with a non-electrode surface portion at an end thereof
04/08/2003US6545390 Device for generating high-frequency mechanical vibrations for a dental handpiece
04/08/2003US6545389 Driving control apparatus and driving control method
04/08/2003US6545384 Electroactive polymer devices
04/08/2003US6544433 Transformers
04/08/2003US6543110 Electroactive polymer fabrication
04/03/2003WO2003028199A2 Piezomotor with a guide
04/03/2003WO2003028196A2 Converter mounting
04/03/2003WO2003028123A1 Matrix type piezoelectric/electrostrictive device and its manufacturing method
04/03/2003WO2003028122A2 Piezoelectric structures
04/03/2003WO2003028121A2 Piezoelectric motor comprising a piezoelectric element arranged in a resonator
04/03/2003WO2002103888A3 Centrifugal impulse piezoelectric electrical generator
04/03/2003US20030062806 Piezoelectric/electrostrictive device
04/03/2003US20030062805 Piezoelectric/electrostrictive device
04/03/2003US20030062802 Electronic circuit for highly efficient driving of piezoelectric loads
04/02/2003EP1298735A2 Thin film piezoelectric element and its manufacturing method and actuator unit using same
04/02/2003CN2543278Y Compound ultrasonic electric machine
04/02/2003CN1407706A 压电电机 Piezoelectric Motor
04/02/2003CN1104395C Piazoelectric ceramic composition, use of preparation buzzer and controller thereof
04/01/2003US6542326 Microactuator-induced reactive forces for fine positioning a sensor
03/2003
03/27/2003WO2003026033A1 Device with a piezoelectric actuator
03/27/2003WO2003025969A1 Power source apparatus
03/27/2003WO2002093728A8 Linear actuator, particularly an aircraft brake actuator
03/27/2003US20030057909 Rotary actuator and method of controlling an actuator
03/27/2003US20030057807 Vibrational damping apparatus and method for deriving a digital signal processing algorithm
03/27/2003US20030057804 Thin film piezoelectric element, manufacturing method therefor, and actuator unit using same
03/27/2003US20030056351 Piezoelectric macro-fiber composite actuator and method for making same
03/27/2003DE20218162U1 Piezoelectric transformer driver unit e.g. for fluorescent lamps, has pulse width modulation control providing signals of equal phase and frequency for synchronous operation of drivers, transformers, piezoelectric elements and loads
03/26/2003CN1405968A Micro-driver for four-phase travelling-wave type supersonic motor
03/26/2003CN1405967A Piezoelectric travelling-wave type ring-shape supersonic motor
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