| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 07/25/2000 | US6092431 Rotary type driving device employing electromechanical transducer and apparatus provided with the rotary type driving device |
| 07/20/2000 | DE19928807A1 Verfahren zur Herstellung eines piezoelektrischen/elektrostriktiven Keramik-Mikro-Stellgliedes unter Verwendung von Photolithographie A method for manufacturing a piezoelectric / electrostrictive ceramic micro-actuator using photolithography |
| 07/19/2000 | EP1019628A1 Device for transmitting displacement, injection valve having such a device and method for the production of a transmission element |
| 07/18/2000 | US6089529 Valve for controlling liquids |
| 07/11/2000 | US6085990 Piezoelectric injector for fuel-injection systems of internal combustion engines |
| 07/06/2000 | DE19918607A1 Drive circuit for piezoelectric converter for controlling input voltage for notebook LCD back lighting arrangement, holds base component amplitude constant if input voltage changes from minimum to a maximum value |
| 07/06/2000 | DE19860001A1 Piezoelectric component, especially for controlling an internal combustion engine injection valve, has electrically insulating material-containing interspaces between its piezoceramic layers |
| 07/06/2000 | DE19857922A1 Aktor zum Auslenken eines Stellglieds und Kraftstoffeinspritzventil mit einem solchen Aktor Actuator for displacing an actuator and fuel injector having such an actuator |
| 07/06/2000 | DE19852096C1 Verfahren und Vorrichtung zur Ansteuerung eines piezoelektrischen Aktors Method and apparatus for driving a piezoelectric actuator |
| 07/05/2000 | EP1017114A2 Device having vibration wave motor as driving source |
| 07/05/2000 | CN1259191A Method for controlling at least one capacitive actuating element |
| 07/05/2000 | CN1259190A Device and method for controlling at least one capacitive actuator |
| 07/04/2000 | US6084363 Drive pulse generating apparatus for drive device using electromechanical transducer |
| 07/04/2000 | US6084335 Vibration driven actuator apparatus and vibration control method therefor |
| 07/04/2000 | US6084334 Driving apparatus for driving plurality of vibration type motors |
| 07/04/2000 | US6084321 Conducting polymer driven rotary motor |
| 07/04/2000 | US6082672 Actuator for an aircraft flight control surface |
| 06/29/2000 | WO2000038309A1 Piezoelectric actuator, time piece, and portable device |
| 06/29/2000 | DE19859024A1 Drive device has pressure element different from driven part arranged on side of piezo-element facing driven part to bias piezo-element, pressure element on other side, and clamp element |
| 06/29/2000 | DE19858476A1 Vorrichtung zum Übertragen einer Aktorauslenkung auf ein Stellglied und Einspritzventil mit einer solchen Vorrichtung An apparatus for transmitting a actuator deflection to an actuator and the injector with such a device |
| 06/27/2000 | US6081063 Ultrasonic motor and electronic apparatus having ultrasonic motor |
| 06/27/2000 | US6081062 Method and device for driving at least one capacitive actuator |
| 06/27/2000 | US6081061 Method and device for charging and discharging a piezoelectric element |
| 06/27/2000 | US6079636 Fuel injection valve with a piezo-electric or magnetostrictive actuator |
| 06/22/2000 | WO2000036658A1 Actuator for displacing a final control element and fuel injection valve with an actuator of this type |
| 06/22/2000 | WO2000036657A1 Piezoelectric actuator |
| 06/22/2000 | WO2000036293A1 Device for transmitting an actuator displacement to a modulator and an injection valve having such a device |
| 06/21/2000 | DE19920576C1 Piezoelectric transducer used e.g. as printing head of ink jet printers has a carrier made of a duroplast reinforced with fibers having a specified heat expansion coefficient |
| 06/21/2000 | DE19858286A1 Charging or discharging piezoelectric element whilst carrying out charge transport from element having capacitive characteristics to piezo-electric element or vice versa and several elements are provided having capacitive characteristics |
| 06/21/2000 | DE19858250A1 Charging and discharging of piezoelectric element whilst carrying out charge transport from element having capacitive characteristics to the piezoelectric element or vice versa |
| 06/21/2000 | DE19856617A1 Element zur Übertragung einer Bewegung und Einspritzventil mit einem solchen Element Element for transmitting movement and injection valve with such an element |
| 06/20/2000 | US6078198 Device and method for driving a capacitive actuator |
| 06/15/2000 | WO2000035027A1 Piezoelectric actuator |
| 06/15/2000 | WO2000034701A1 Piezoelectric drive |
| 06/15/2000 | WO2000034700A1 Piezoelectric actuator |
| 06/15/2000 | WO2000034699A1 Piezoelectric actuator |
| 06/15/2000 | WO2000034645A1 Element for the transmission of a movement and injection valve provided with such an element |
| 06/15/2000 | DE19856202A1 Piezoelektrischer Aktor Piezoelectric actuator |
| 06/15/2000 | DE19856201A1 Piezoelektrischer Aktor Piezoelectric actuator |
| 06/15/2000 | DE19856186A1 Piezoelektrischer Aktor Piezoelectric actuator |
| 06/15/2000 | DE19856185A1 Piezoelektrischer Antrieb The piezoelectric actuator |
| 06/14/2000 | EP1009095A1 Ultrasonic motor and electronic apparatus with ultrasonic motor |
| 06/14/2000 | EP1009040A1 Actuators of active piezoelectric or electrostrictive material |
| 06/13/2000 | US6075945 Lens apparatus |
| 06/13/2000 | US6073831 Ultrasonic generator for minimizing heat input of magnetostrictive element and its manufacturing method |
| 06/08/2000 | WO2000033395A1 Piezo-electric tilting element |
| 06/08/2000 | DE19854306A1 Actuator with capacitive element e.g. for controlling fuel injection valves in IC engine, has Ohmic resistance connected in parallel with capacitive element dimensioned so that element discharges in time greater than maximum drive duration |
| 06/07/2000 | CN1256011A Method and device for analyzing temp. of piezoelectric component |
| 06/06/2000 | US6072267 Vibration wave motor |
| 06/06/2000 | US6072266 Vibration actuator |
| 06/06/2000 | US6072265 Supply circuit for a traveling-wave piezo-electric motor |
| 05/31/2000 | DE19902413C1 Calibration method for piezoelectric control drive involves automatically detecting control parameters and associated control positions by detecting stop times from capacitance changes |
| 05/31/2000 | DE19855221A1 Piezoaktuatorisches Kippelement Piezoelectrically tilting element |
| 05/30/2000 | US6069433 Packaged strain actuator |
| 05/30/2000 | US6068256 Piezoelectric conveying device |
| 05/25/2000 | WO2000029652A1 Method and device for controlling a piezoelectric actuator |
| 05/23/2000 | US6066911 Ultrasonic driving element |
| 05/18/2000 | WO2000028652A1 Ultrasonic motor |
| 05/17/2000 | EP1001474A1 A driver circuit for controlling a piezoelectric actuator in charge mode |
| 05/17/2000 | EP0789937B1 Piezoelectric motor |
| 05/16/2000 | US6064140 Ceramic motor |
| 05/16/2000 | US6064139 Ultrasonic motor |
| 05/16/2000 | US6064138 Ultrasonic wave motor device and electronic apparatus having ultrasonic wave motor device |
| 05/11/2000 | DE19949197A1 Control element for piezo-valve |
| 05/09/2000 | US6060819 Piezoelectric transformer |
| 05/09/2000 | US6060816 Vibration motors |
| 05/09/2000 | US6060814 Device and method for driving at least one capacitive actuator |
| 05/09/2000 | CA2005660C Adaptive control systems |
| 05/04/2000 | WO2000025370A1 Multidirectional motors |
| 05/04/2000 | WO2000025369A1 Method and apparatus for driving piezoelectric motors |
| 05/04/2000 | WO2000025368A1 Driver for piezoelectric motors |
| 05/04/2000 | DE19952062A1 Noise energy converter has flat piezoelectric material subjected to gas pressure and deformed in microscopic regions to form surface voltages picked up by microscopic electrodes |
| 05/03/2000 | EP0997953A1 An actuator for producing motion and force by controlling the twin structure orientation of an actuator material |
| 05/02/2000 | US6057515 Control apparatus for powder feeder |
| 04/26/2000 | EP0995899A2 Piezoelectric actuator and fuel-injection apparatus using the actuator |
| 04/26/2000 | EP0995122A1 Offset regulation device |
| 04/26/2000 | CN2376137Y Super magnetostriction material high-speed strong microdisplacement mechanism |
| 04/25/2000 | US6054795 Driving apparatus for vibration type actuator device |
| 04/20/2000 | DE19845042A1 Verfahren und Anordnung zur Diagnose eines kapazitiven Aktors Method and apparatus for diagnosing a capacitive actuator |
| 04/19/2000 | CN1251211A Piezoelectric actuator |
| 04/18/2000 | US6051914 Piezoelectric device, actuator using the same, and ink-jet recording head |
| 04/18/2000 | US6051912 Vibration actuator |
| 04/18/2000 | US6051911 Vibration wave actuator |
| 04/18/2000 | US6051909 Drive device using electromechanical transducer |
| 04/18/2000 | US6050393 Drive apparatus for driving an oscillator and a powder feeder having the drive apparatus therein |
| 04/13/2000 | WO2000021146A1 Device for generating electric power |
| 04/13/2000 | WO2000021145A1 Piezoelectric drive device |
| 04/13/2000 | DE19845037A1 Capacitance-based control system for piezoelectric actuator, operating IC engine fuel injector, comprises capacitor forming oscillatory circuit with series inductance to energize actuator |
| 04/12/2000 | EP0993055A2 Piezoelectric actuator and electronic apparatus with piezoelectric actuator |
| 04/12/2000 | CN1250246A Vibrating exciting bank |
| 04/11/2000 | US6049156 Apparatus provided with a vibration type motor |
| 04/06/2000 | WO2000019549A1 Method and arrangement for diagnosing a capacitive actuator |
| 04/06/2000 | DE19845134A1 Piezoelektrische Antriebsvorrichtung Piezoelectric drive unit |
| 04/06/2000 | DE19843621A1 Entladeschaltung für ein kapazitives Stellglied Discharge for a capacitive actuator |
| 04/05/2000 | EP0991176A1 Ultrasonic motor and method of manufacturing the motor |
| 04/04/2000 | US6047135 Driving mechanism for keeping feedback cycle constant, apparatus with the mechanism, and its control method |
| 04/04/2000 | US6046527 Ultrasonic positioner with multiple degrees of freedom of movement |
| 04/04/2000 | US6046526 Production method of laminated piezoelectric device and polarization method thereof and vibration wave driven motor |
| 04/04/2000 | US6046525 Piezo-electric actuator control method and device and variable wavelength filter using the piezo-electric actuator device |
| 03/30/2000 | WO2000017944A1 Method for compensating acoustic waves and device for carrying out said method |