Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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03/26/2003 | CN1405966A Vibration type actuating device |
03/25/2003 | US6539174 Light image shift correcting device and an optical device |
03/25/2003 | US6538854 Actuator using piezoelectric element and head-positioning mechanism using the actuator |
03/25/2003 | US6538362 Piezoelectric/electrostrictive device and method of manufacturing same |
03/25/2003 | US6536546 Gas components which delay the start are removed from the reformate gas using an adsorber during the cooling-down phase after the vehicle has been switched off |
03/20/2003 | WO2003023213A1 Method and device for controlling piezo-driven fuel injection valves |
03/20/2003 | WO2003023212A1 Method for controlling a piezo-actuated fuel-injection valve |
03/20/2003 | US20030053281 Method of compensating for deformation deterioration of piezoelectric/electrostrictive actuator |
03/20/2003 | US20030052628 Vibration type actuator apparatus |
03/20/2003 | US20030052575 Piezoelectric drive |
03/20/2003 | US20030052574 Ultrasonic motor and method for manufacturing the same |
03/20/2003 | US20030052573 Piezoelectric adjusting element |
03/20/2003 | US20030052570 Electromechanic film and acoustic element |
03/20/2003 | US20030052287 Electronic equipment equipped with position detection means |
03/20/2003 | DE20218163U1 Piezoelectric transformer-driver unit e.g. for computer LCD light-sources, uses driver unit to synchronously drive transformer units, piezoelectric units and loads |
03/19/2003 | EP1292994A1 Piezo actuator |
03/19/2003 | EP1292775A2 Device for transmitting a movement with compensation for play |
03/19/2003 | CN1404211A Miniature microstep size angular piezoelectric rotary driver |
03/19/2003 | CN1404210A Miniature bionical piezoelectric linear driver |
03/19/2003 | CN1404164A Piezoelectric apparatus, stepped wave filter and producing method of piezoelectric apparatus |
03/18/2003 | US6534899 Piezoelectric/electrostrictive device and method of manufacturing same |
03/18/2003 | US6534898 Piezoelectric/electrostrictive device having mutually opposing thin plate section |
03/18/2003 | US6532942 Pre-treatment method for an electromagnetic transducer |
03/13/2003 | US20030048914 Micromachined piezoelectric microspeaker and fabricating method thereof |
03/13/2003 | US20030048045 Piezo actuator |
03/13/2003 | US20030048043 High power density dual-rotor device |
03/13/2003 | US20030048040 Flat actuator or sensor with internal prestress |
03/13/2003 | US20030047662 Position control apparatus and method for table member |
03/12/2003 | CN1402423A Continuous receprocating nanodisplacement driver for micro-momentum drive |
03/12/2003 | CN1402422A Continuous nanoprecision displacement micro-momentum driving device |
03/11/2003 | US6532429 Offset regulation device |
03/11/2003 | US6531861 Movement actuator/sensor systems |
03/11/2003 | US6531712 Valve for controlling fluids |
03/06/2003 | WO2003019689A2 Piezoelectric motor comprising copper electrodes |
03/06/2003 | WO2003019688A2 Tubular hollow body for a piezo actuator module and method for production thereof |
03/06/2003 | WO2003018996A2 Piezoelectric actuator module |
03/06/2003 | US20030042820 Piezoelectric device, ladder type filter, and method of producing the piezoelectric device |
03/06/2003 | DE10143502C1 Control method for piezoelectric fuel injection valve for diesel engine calculates differential of force exerted on fuel injection valve by piezoactuator for correction of subsequent injection cycle |
03/05/2003 | EP1288918A2 Piezoelectric actuator |
03/05/2003 | EP1287250A1 Method for testing a capacitive actuator |
03/04/2003 | US6528928 Switched resonant power conversion electronics |
03/04/2003 | US6528927 Piezo actuator with multi-layer conductive film, and method for making same |
03/04/2003 | US6528926 Driving apparatus |
03/04/2003 | US6528925 Piezoelectric/electrostrictive element driving circuit |
02/27/2003 | WO2003017390A1 Sensors for power conversion systems |
02/27/2003 | WO2003016716A1 Method for obtaining electric energy from the environment |
02/27/2003 | WO2003016711A1 Switched resonant power conversion electronics |
02/27/2003 | US20030038563 Harmonic motor |
02/27/2003 | DE10149960C1 IC engine operating method uses set of functions for determining required control energy for each fuel injector piezoactuator |
02/20/2003 | WO2001080284A3 Electroactive polymer animated devices |
02/20/2003 | US20030034715 Switched resonant power conversion electronics |
02/20/2003 | US20030034594 Spring bushing and method for producing a spring bushing |
02/20/2003 | US20030034228 Apparatus for levitating objects, apparatus for transporting objects, and apparatus for loading objects |
02/18/2003 | US6522049 Apparatus and method for detecting a short circuit to the battery voltage when driving piezoelectric elements |
02/18/2003 | US6522048 Sensors for power conversion systems |
02/18/2003 | US6521166 Method of polarization-treating piezoelectric body |
02/13/2003 | WO2002037516A3 Electric switch, especially a piezo switch, with optical and/or mechanical feedback of the switching operation |
02/13/2003 | US20030030351 Piezoelectric motor |
02/13/2003 | US20030030249 Flexible piezoelectric films |
02/12/2003 | EP1283592A1 Piezoelectric motor |
02/12/2003 | EP1283591A1 Piezoelectric motor |
02/12/2003 | EP1282921A1 Piezoelectric bending transducer and use thereof |
02/12/2003 | EP1282891A1 Remote control and power system |
02/12/2003 | EP1191895B1 Power assistance device for an ultrasonic vibration dental handpiece |
02/12/2003 | CN2535972Y Surface elastic wave motor |
02/12/2003 | CN1396668A Packed piezoelectric device and its manufacture method and piezoelectric actuator |
02/11/2003 | US6518721 Oscillation isolator |
02/11/2003 | US6518689 Piezoelectric wave motor |
02/06/2003 | WO2003010879A2 Driving device for ultrasonic motor |
02/06/2003 | WO2003010835A2 Piezoelectric multilayer transducer |
02/06/2003 | DE20216689U1 Inverse piezoelectric drive coupling has piezoceramic element with piezoelectric Langerin vibrator and piezoceramic resonator; inverse piezoelectric effect compresses or deforms piezoceramic element |
02/05/2003 | CN1101076C Piezoelectric actuator and pyroelectric infrared-ray sensor using the same |
02/04/2003 | US6515941 Electronic watch |
02/04/2003 | US6515835 Precise positioning actuator actuator for precisely positioning thin-film magnetic head element and head gimbal assembly with the actuator |
02/04/2003 | US6515403 Co-fired piezo driver and method of making for a ring laser gyroscope |
02/04/2003 | US6515402 Array of ultrasound transducers |
02/04/2003 | US6515382 Actuators and apparatus |
01/30/2003 | WO2003009402A2 Actuator system |
01/30/2003 | WO2003009400A2 Monolithic multilayer actuator in a housing |
01/30/2003 | US20030020377 Piezoelectric/electrostrictive element and piezoelectric/electrostrictive device and production method thereof |
01/30/2003 | US20030020375 Method of producing a bending transducer |
01/30/2003 | US20030020369 Piezoelectric/electrostrictive device and method of manufacturing same |
01/30/2003 | US20030020368 Ultrasonic motor and electronic device having the ultrasonic motor |
01/30/2003 | US20030020364 Laminated piezoelectric element, method for manufacturing the same, and piezoelectric actuator |
01/28/2003 | US6512323 Piezoelectric actuator device |
01/28/2003 | US6512322 Longitudinal piezoelectric latching relay |
01/28/2003 | US6512321 Driving apparatus and method of using same |
01/28/2003 | US6511485 Device for removal of calculi |
01/28/2003 | US6510597 Surface acoustic wave device and method of manufacturing the same |
01/23/2003 | US20030016111 Circuit configuration and, in particular, a switch-mode power supply |
01/23/2003 | US20030016089 Use of a piezo-active device and an appliance and a system including it |
01/23/2003 | US20030015944 Co-fired piezo driver and method of making for a ring laser gyroscope |
01/23/2003 | US20030015943 Rosen type piezoelectric transformer with multiple output electrodes, and stabilizer for multiple light source using that |
01/23/2003 | US20030015940 Multi-degree-of-freedom drive mechanism |
01/23/2003 | US20030015939 Construction for transmitting displacement of piezoelectric element |
01/22/2003 | CN1392052A Piezoelectric actuator and ink jet device using said actuator |
01/21/2003 | US6509673 Ultrasonic motor capable of sensing a rotational position of its rotor |
01/21/2003 | US6509672 Method and apparatus for charging a piezoelectric element |
01/21/2003 | US6509671 Driving method and driving circuit for piezoelectric transformer, cold cathode tube emission device, liquid crystal panel and liquid crystal panel built-in apparatus |
01/16/2003 | WO2003005553A2 Piezoelectric drive and the use of the same as a drive for heavy loads |