| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 11/01/2001 | US20010035696 Device and method for driving symmetric load systems |
| 11/01/2001 | US20010035694 Method for shortening the starting time of CO oxidation catalytic converters in mobile fuel cell systems |
| 11/01/2001 | CA2406407A1 Resonant probe driving arrangement and scanning probe microscope |
| 10/31/2001 | EP1150363A2 Multilayer piezoelectric actuator device having a conductive member attached to an external electrode thereof |
| 10/31/2001 | DE10016429A1 Producing multilayer actuators involves separating foil elements whose area defines actuator cross-section from metallized green foil with, stacking for manufacture |
| 10/30/2001 | US6310834 Electronic apparatus with ultrasonic motor as driving source |
| 10/30/2001 | US6309106 Motors, and bearings therefor |
| 10/25/2001 | WO2001080326A1 Apparatus having a support structure and actuator |
| 10/25/2001 | WO2001080284A2 Electroactive polymer animated devices |
| 10/25/2001 | WO2001079731A1 Piezoelectric actuator |
| 10/25/2001 | US20010033125 Multilayer piezoelectric actuator device having a conductive member attached to an external electrode thereof |
| 10/25/2001 | US20010033124 Horn array emitter |
| 10/25/2001 | DE10017975A1 Piezoelektrischer Vielschichtaktor A piezoelectric multilayer actuator |
| 10/24/2001 | EP1148560A1 Piezoelectric / electrostrictive device and method of manufacture thereof |
| 10/24/2001 | EP1147307A1 Device for controlling a piezo element injection valve |
| 10/24/2001 | CN2456364Y Curved column style traveling wave ultrasonic motor |
| 10/24/2001 | CN1318837A Actuator, message recording/reproduction device and method for producing actuator |
| 10/23/2001 | US6307306 Piezo actuator with improved electrical contacting and employment of such a piezo actuator |
| 10/23/2001 | US6307301 Buckling resistant piezoelectric actuator |
| 10/23/2001 | US6307299 Method of correcting a resonance frequency of a small rotary actuator |
| 10/23/2001 | US6307286 Super magnetostrictive actuator |
| 10/18/2001 | WO2001078160A1 Piezoceramic bending transducer and use thereof |
| 10/18/2001 | WO2001078159A1 Piezoelectric multilayer actuator and method for producing the same |
| 10/18/2001 | WO2001078158A1 Piezoelectric multilayered actuator |
| 10/18/2001 | WO2001077510A1 Method and device for controlling at least one capacitive actuator |
| 10/18/2001 | US20010032058 Method and apparatus for controlling system parameters |
| 10/18/2001 | US20010030306 Apparatus having a pair of opposing surfaces driven by a piezoelectric actuator |
| 10/18/2001 | US20010029649 Method of manufacturing piezoelectric actuator |
| 10/18/2001 | DE10017367A1 Verfahren und Vorrichtung zum Ansteuern wenigstens eines kapazitiven Stellgliedes Method and apparatus for controlling at least one capacitive actuator |
| 10/18/2001 | DE10017138A1 Taumelmotor Wobble motor |
| 10/17/2001 | EP1144883A1 Actuator with piezoelectric controlled piston |
| 10/17/2001 | EP1144845A1 Device for transmitting an actuator displacement to a modulator and an injection valve having such a device |
| 10/17/2001 | EP0771476B1 Miniature linear motion actuator |
| 10/17/2001 | CN2454985Y Clamp composite supersonic motor |
| 10/11/2001 | WO2001076056A2 Piezoelectric motor and a disk drive using same |
| 10/11/2001 | WO2001075986A1 Method and device for the production of multi-layered actuators |
| 10/11/2001 | US20010028205 Piezoelectric actuator |
| 10/11/2001 | US20010028204 Method and apparatus for charging a piezoelectric element |
| 10/11/2001 | DE10111502A1 Manufacturing method for piezoelectric devices, involves providing several active piezoelectric layers or laminations to form laminated structure using glue or adhesive |
| 10/10/2001 | EP1143535A1 Wobble plate motor |
| 10/10/2001 | EP1143533A1 Piezoelectric / electrostrictive device and method of manufacture thereof |
| 10/10/2001 | EP1143133A1 Compensation of batch variation in the travel due to variations in the layer thickness or number of layers in multi-layer piezoelectric elements |
| 10/10/2001 | EP1142040A1 Actuator for displacing a final control element and fuel injection valve with an actuator of this type |
| 10/10/2001 | EP1142039A1 Piezo-electric tilting element |
| 10/10/2001 | EP1142038A1 Control for piezoelectric actuator |
| 10/09/2001 | US6300705 Ultrasonic motor driven by elliptic vibration |
| 10/09/2001 | US6300692 Linear actuator with expansion device |
| 10/04/2001 | WO2001073861A1 Piezoelectric transducer having protuberances for transmitting acoustic energy and method of making the same |
| 10/04/2001 | US20010026626 Mechanical-to-acoustical transformer and multi-media flat film speaker |
| 10/04/2001 | US20010026112 Driving apparatus and method of using same |
| 10/04/2001 | US20010026111 Acoustic biosensor for monitoring physiological conditions in a body implantation site |
| 10/04/2001 | EP1139451A1 Piezoelectric / electrostrictive device and method of manufacture thereof |
| 10/04/2001 | EP1139450A1 Piezoelectric / electrostrictive device |
| 10/04/2001 | EP1139446A1 Method and apparatus for controlling system parameters |
| 10/04/2001 | EP1139442A1 Apparatus and method for detecting a short circuit to the battery voltage when driving piezoelectric elements |
| 10/04/2001 | EP1138911A1 Method and apparatus for charging a piezoelectric element |
| 10/04/2001 | EP1138904A1 Method and apparatus for charging a piezoelectric element |
| 10/04/2001 | EP1138903A1 Time- and event-controlled activation system for charging and discharging piezoelectric elements |
| 10/04/2001 | EP1138902A1 Method and apparatus for timed measurement of the voltage across a device in the charging circuit of a piezoelectric element |
| 10/02/2001 | US6297579 Electron gun controlled smart structure |
| 10/02/2001 | US6297576 Piezoelectric actuator |
| 09/27/2001 | WO2001071909A1 Surface acoustic wave device |
| 09/27/2001 | WO2001071899A2 Vibratory motor and method of making and using same |
| 09/27/2001 | WO2001071648A2 Piezoelectric identification device and applications thereof |
| 09/27/2001 | US20010024403 Oscillation isolator |
| 09/27/2001 | DE10108576A1 Device for temperature compensation of piezoelectric device, generates control signal compensated in response to estimated temperature near piezoelectric device |
| 09/27/2001 | DE10012751A1 Adjusting device for displacing individual elements of optical or measuring systems using piezo-electric actuator assembly in conjunction with retaining spring assembly so that elements can be moved quickly and precisely |
| 09/27/2001 | DE10012607A1 Capacitive actuator operating method especially for motor vehicle combustion engine fuel-injection valve - involves actuator carrying out idle stroke before actuating fuel-injection valve |
| 09/27/2001 | DE10012224A1 Process for shortening the cold start time of a carbon monoxide oxidation catalyst in a reformate gas of a fuel cell system of a vehicle comprises adsorbing start-delaying gas |
| 09/27/2001 | DE10008752A1 Combined piezo-electric actuator and sensor, made from a piezo- ceramic material, for automotive and optical applications has increased accuracy as either actuator or sensor |
| 09/27/2001 | CA2374468A1 Surface acoustic wave device |
| 09/26/2001 | EP1135596A1 Valve for controlling liquids |
| 09/26/2001 | EP1135595A1 Valve for controlling liquids |
| 09/26/2001 | EP1135591A1 Valve for controlling fluids |
| 09/26/2001 | CN1315058A Piezo-actuator |
| 09/25/2001 | US6294859 Electrostrictive or piezoelectric actuator device with a stroke amplifying transmission mechanism |
| 09/20/2001 | WO2001069297A2 Adjusting device for displacing individual elements of optical systems or of measuring systems |
| 09/20/2001 | WO2001068273A1 Unidirectional acoustic probe and method for making same |
| 09/20/2001 | US20010022486 Truss actuator |
| 09/20/2001 | US20010022485 Ultrasonic motor |
| 09/19/2001 | EP1134883A2 Vibration motors |
| 09/19/2001 | EP1134829A2 Method for decreasing the start time of CO-oxydation catalysts in mobile fuel cell systems |
| 09/19/2001 | EP0909223B1 Ultrasonic transducer with contact member |
| 09/19/2001 | CN1313673A Piezo-activator |
| 09/18/2001 | US6291930 Low voltage piezoelectric bender elements and unit cells |
| 09/18/2001 | US6291929 Piezoelectric actuator |
| 09/18/2001 | US6289564 Method of making a piezoelectric microactuator for precise head positioning |
| 09/18/2001 | CA2223633C A method for producing motion and force by controlling the twin structure orientation of a material and its uses |
| 09/13/2001 | WO1996026364A3 Generation of electrical energy by weighted, resilient piezoelectric elements |
| 09/13/2001 | US20010020809 Actuator and driving method thereof |
| 09/13/2001 | US20010020804 Method and apparatus for driving at least one capacitive control element |
| 09/13/2001 | DE19905340C2 Verfahren und Anordnung zur Voreinstellung und dynamischen Nachführung piezoelektrischer Aktoren Method and arrangement for presetting and dynamic tracking of piezoelectric actuators |
| 09/13/2001 | DE10010707A1 Piezoelektrischer Aktuator A piezoelectric actuator |
| 09/12/2001 | EP1132979A2 Method of manufacturing piezoelectric actuator |
| 09/12/2001 | EP1131853A1 Driver for piezoelectric motors |
| 09/12/2001 | CN2447989Y 电磁致动器 Electromagnetic actuator |
| 09/12/2001 | CN2447988Y Electromagnetic actuator with magnetic floating device |
| 09/11/2001 | US6288478 Vibrating gyroscope |
| 09/11/2001 | US6288475 Ultrasonic motor |
| 09/11/2001 | US6288473 Frequency modulation drive for a piezoelectric motor |