| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
|---|
| 02/13/2001 | US6188186 Magnetostriction oscillator driving circuit and method |
| 02/13/2001 | US6188161 Driving apparatus using transducer |
| 02/08/2001 | WO2001009965A1 Micromanipulator with piezoelectric movement elements |
| 02/08/2001 | WO2001009022A1 Piezoelectric conveying device |
| 02/07/2001 | EP1075079A1 Piezoelectric actuator, time piece, and portable device |
| 02/06/2001 | US6184609 Piezoelectric actuator or motor, method therefor and method for fabrication thereof |
| 02/01/2001 | WO2001007777A1 Fuel injector valve |
| 02/01/2001 | DE19946835A1 Piezo-actuator e.g for fuel injection valve in motor vehicle, has each piezo-layer formed from piezo-foils and inner electrodes associated with each piezo-layer are outside on piezo-layer |
| 02/01/2001 | DE19935263A1 Brennstoffeinspritzventil Fuel injection valve |
| 01/31/2001 | EP1073127A2 Vibration member for travelling wave motor using piezoelectric element as driving source |
| 01/31/2001 | CN1282145A Surface acoustic wave device and communication equipment |
| 01/25/2001 | DE4025637C2 Ultrasonic power supply - includes control circuit to adjust amplitude of vibration of transducer providing ramp start-up, used for thermoplastic welding |
| 01/25/2001 | DE19961068C1 Piezoelectric actuator system has two piezoelectric actuators connected in one half of clocked amplifier bridge circuit controlled via pulse-width modulated signal |
| 01/24/2001 | EP1071207A2 Surface acoustic wave device and communications apparatus |
| 01/24/2001 | CN1281566A Remote energy supply structure and process for electric information carrier |
| 01/23/2001 | US6177755 Air cooled ultrasonic apparatus |
| 01/23/2001 | US6177754 Ultrasonic motor and electronic apparatus with ultrasonic motor |
| 01/23/2001 | US6177753 Vibration wave motor |
| 01/18/2001 | WO2001004481A1 Method and device for charging a capacitive actuator |
| 01/18/2001 | WO2001004480A1 Method for controlling a capacitive actuator of a fuel injection valve of an internal combustion engine |
| 01/18/2001 | DE19931238A1 Verfahren zum Ansteuern eines kapazitiven Stellgliedes eines Kraftstoffeinspritzventils einer Brennkraftmaschine A method of driving a capacitive actuator of a fuel injection valve of an internal combustion engine |
| 01/18/2001 | DE19931235A1 Verfahren und Vorrichtung zum Laden eines kapazitiven Stellgliedes Method and apparatus for charging a capacitive actuator |
| 01/18/2001 | DE19931233A1 Capacitive actuator control method for operating fuel injection valve in combustion engine |
| 01/16/2001 | US6175182 Pseudo-shear mode actuator |
| 01/16/2001 | US6175181 Vibration driven motor |
| 01/16/2001 | US6175180 Method for optimizing the drive of a piezoelectric actuator, in particular for phacoemulsifier devices, by dynamic detection of its eletromechanical characteristics and devices based thereupon |
| 01/11/2001 | WO2001003282A1 Piezoelectric drive, especially a holding frame, a friction element and a circuit configuration |
| 01/11/2001 | WO2001001878A1 Power assistance device for an ultrasonic vibration dental handpiece |
| 01/11/2001 | DE19948359A1 Piezoelectric actuator unit e.g. for controlling motor vehicle combustion engine fuel injection valves |
| 01/11/2001 | DE19928180A1 Piezoactuator e.g. for valve, has multilayer structure of piezo layers and electrodes, and defined area of internal electrode removed near contacting part on piezo layers with no internal electrode to be contacted |
| 01/11/2001 | DE19928177A1 Piezoaktor Piezoelectric actuator |
| 01/11/2001 | DE10015183A1 Piezoelektrische Keramikzusammensetzung, dieselbe verwendender Summer und Aktuator The piezoelectric ceramic composition, the same used Direction buzzer and actuator |
| 01/10/2001 | EP1067608A1 Device and control circuit for a piezoelectric actuator |
| 01/09/2001 | US6172445 Piezoelectric actuator |
| 01/04/2001 | WO2001001500A1 Piezo-electric transformer circuit |
| 01/04/2001 | DE19928780A1 Actuating drive for use in fuel injection valves, for example, comprises a filler material filling at least one cavity between the actuator and the head plate and/or between- the actuator and the foot plate |
| 01/04/2001 | DE19928186A1 Piezoaktor zur Betätigung eines mechanischen Bauteils Piezo actuator for operating a mechanical component |
| 01/04/2001 | DE19928185A1 Piezoaktor Piezoelectric actuator |
| 01/04/2001 | DE19928183A1 Piezoaktor Piezoelectric actuator |
| 01/04/2001 | DE19928179A1 Piezoaktor Piezoelectric actuator |
| 01/04/2001 | DE19928176A1 Piezoaktor Piezoelectric actuator |
| 01/04/2001 | CA2377777A1 Piezo-electric transformer circuit |
| 01/03/2001 | EP1065735A2 Piezoelectric actuator with a conductive multilayer foil and method of manufacturing the multilayer foil |
| 01/03/2001 | EP1064646A1 Inertial/audio unit and construction |
| 12/28/2000 | WO2000079615A1 Piezo-actuator |
| 12/28/2000 | WO2000079614A1 Piezo-actuator comprising a temperature compensator |
| 12/28/2000 | WO2000079613A1 Piezoelectric actuator with improved heat dissipation |
| 12/28/2000 | WO2000079611A1 Piezo actuator with temperature compensation |
| 12/28/2000 | WO2000079610A1 Piezo-element comprising a multilayer structure that is produced by folding |
| 12/28/2000 | WO2000079609A1 Piezo-actuator for actuating a mechanical component |
| 12/28/2000 | WO2000079607A1 Piezoelectric actuator with improved electrode connections |
| 12/28/2000 | WO2000079606A2 Piezoelectric actuator with motion stabilization elements |
| 12/28/2000 | WO2000079162A1 Piezo-actuator |
| 12/28/2000 | DE19931234C1 Capacitive actuator control device for combustion engine fuel injection valve |
| 12/28/2000 | DE19928187C1 Piezoelectric actuator for operating mechanical component e.g. valve, has selected internal electrodes extending across full width of multi-layer structure with bridging of corresponding layer by opposing external electrode |
| 12/27/2000 | EP1062702A2 Piezoelectric transformer |
| 12/26/2000 | US6166477 Ultrasonic motor with rotor converting longitudinal vibrations into torque |
| 12/21/2000 | DE19927190A1 Charging and discharging a piezoelectric element involves interrupting charge transport when voltage to which piezoelectric element has been charged/discharged reaches desired value |
| 12/21/2000 | DE19927087A1 Arrangement for charging and discharging several piezoelectric elements e.g. for fuel injectors in IC engine, has piezoelectric elements divided into groups, each able to be mutually independently charged or discharged |
| 12/20/2000 | EP1061638A1 Ultrasonic motor |
| 12/20/2000 | CN2411617Y Piezoelectric ultrasonic micromotor |
| 12/19/2000 | US6163505 contact member for an ultrasonic transducer |
| 12/19/2000 | US6163100 Driving circuit of ultrasonic motor |
| 12/19/2000 | US6162313 Method for producing a composite structure including a piezoelectric element |
| 12/19/2000 | US6162230 Foldable lens delivery system |
| 12/07/2000 | WO2000074224A1 Electrical power extraction from mechanical disturbances |
| 12/07/2000 | WO2000074153A1 Multilayer piezoelectric motor |
| 12/07/2000 | CA2376063A1 Electrical power extraction from mechanical disturbances |
| 12/05/2000 | US6157174 Method and device for driving a capacitive control element |
| 12/05/2000 | US6157101 Method for producing motion and force by controlling the twin structure orientation of a material and its uses |
| 12/05/2000 | US6155500 Piezoelectric actuator and fuel-injection apparatus using the actuator |
| 11/29/2000 | EP1055107A1 Method for evaluating characteristic values of piezo-mechanical systems |
| 11/28/2000 | US6153991 Piezoelectric step motor |
| 11/28/2000 | US6153965 Piezoelectric step motor |
| 11/28/2000 | US6153963 Drive device |
| 11/22/2000 | EP1054459A1 Thin-film piezoelectric bimorph element, mechanical detector and inkjet head using the same, and methods of manufacturing the same |
| 11/22/2000 | EP1053569A1 Piezoelectric actuator |
| 11/22/2000 | EP1053425A1 Piezoelectric drive |
| 11/22/2000 | EP1053424A1 Piezoelectric actuator |
| 11/22/2000 | EP1053423A1 Piezoelectric actuator |
| 11/21/2000 | US6150751 Piezoelectric step motor |
| 11/21/2000 | US6150750 Piezoelectric linear step motor |
| 11/21/2000 | US6150749 Vibration driven actuator |
| 11/21/2000 | US6148842 Compensation element for the compensation of temperature-conditioned length changes of an object |
| 11/16/2000 | WO2000069001A1 Improvements in or relating to ultrasonic motors |
| 11/16/2000 | WO2000068558A1 Method and device for controlling a piezoelectric actuator |
| 11/16/2000 | DE19923462C1 Positioniervorrichtung Positioning |
| 11/16/2000 | DE19921456A1 Verfahren und Vorrichtung zur Ansteuerung eines piezoelektrischen Aktors Method and apparatus for driving a piezoelectric actuator |
| 11/16/2000 | DE10013149A1 Ceramic piezoelectric transducer with improved mechanical properties has compression mechanism that applies compression to input and output stages in longitudinal direction |
| 11/15/2000 | EP1051761A1 Piezoelectric actuator |
| 11/14/2000 | US6147436 Piezoactive motor based on independent stator modules |
| 11/14/2000 | US6147435 Mechanism for driving a screw rod by supersonic vibration |
| 11/14/2000 | US6147434 Drive device using electromechanical transducer and apparatus equipped with the device |
| 11/14/2000 | US6147433 Method and device for charging and discharging a piezoelectric element |
| 11/09/2000 | WO2000067333A1 Piezoelectric flexional transducer |
| 11/09/2000 | WO2000051110B1 Vibration control of piezoelectric microactuator |
| 11/09/2000 | DE19951118A1 Piezo actuator e.g. for valve, has multiple layer structure of piezo layers and internal electrodes and a number of external electrodes for each polarity of electrical voltage on outer sides of actuator |
| 11/09/2000 | DE19946836A1 Piezoactuator for operating a mechanical component, such as a valves in vehicle fuel injection systems has a multilayer structure of piezolayers with inner electrodes arranged between them |
| 11/09/2000 | DE19921145A1 Rüttelantrieb für eine Form Vibratory for a form |
| 11/09/2000 | DE19920436A1 Positive piezo stepper switching mechanism for continuous part movement, has drive elements moved by piezo actuators, arranged and engaging at same height in drive direction |