| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 09/07/2004 | US6787973 Device for transmitting an excursion of an actuator |
| 09/07/2004 | US6787972 Piezoelectric rotary pump |
| 09/07/2004 | US6787971 Vibration wave driving device and method of processing vibrating member or moving member for use in vibration wave driving device |
| 09/07/2004 | US6787970 Tuning of packaged film bulk acoustic resonator filters |
| 09/02/2004 | WO2004027887A3 Piezoelectric actuator |
| 09/02/2004 | US20040169445 Device with a piezoelectric actuator |
| 09/02/2004 | US20040169442 Stacked piezoelectric device |
| 09/02/2004 | US20040169441 Apparatus to orientate a body with respect to a surface |
| 09/02/2004 | US20040169438 Additional contact for an electric component and piezoelectric component in the form of a multilayer structure |
| 09/02/2004 | US20040169436 Piezo actuator drive circuit |
| 09/02/2004 | US20040169424 Linear actuator, in particular an aircraft brake actuator |
| 09/02/2004 | US20040168588 Method of orientating a template with respect to a substrate in response to a force exerted on the template |
| 09/02/2004 | DE102004005529A1 Piezoelektrisches Element der Schichtungsbauart und zugehöriges Herstellungsverfahren A piezoelectric element of the stack design and manufacturing method thereof |
| 09/01/2004 | EP1453116A2 Ultrasonic motor and apparatus using the same |
| 09/01/2004 | EP1453113A1 Piezoelectric element, liquid ejection head and process for manufacturing them |
| 09/01/2004 | EP1451475A1 A method of releasing an attachment |
| 09/01/2004 | CN1525636A In-plane composite modality linear piezoelectricity micromotor |
| 09/01/2004 | CN1525635A Clamping type stepping mechanism for stator |
| 08/31/2004 | US6784599 Piezoelectric actuator |
| 08/31/2004 | US6784596 Method of charging and discharging a piezoelectric element |
| 08/26/2004 | WO2004073076A1 Device for controlling a piezoelectric actuator and scanner controlled by said control device |
| 08/26/2004 | WO2003096444B1 Resonant energy mems array and system including dynamically modifiable power processor |
| 08/26/2004 | US20040164651 Piezoelectric actuator |
| 08/26/2004 | US20040164649 Bimorph MEMS devices and methods to make same |
| 08/26/2004 | US20040164646 Control method and apparatus of an ultrasonic motor, and an ultrasonic motor driver and controller |
| 08/26/2004 | US20040163628 Method and device for controlling piezo-driven fuel injection valves |
| 08/25/2004 | EP1450478A2 Apparatus for supplying portable devices with electric energy |
| 08/25/2004 | EP1450477A1 Piezoelectric actuator, and timepiece and portable unit with piezoelectric actuator |
| 08/25/2004 | EP1053424B1 Piezoelectric actuator |
| 08/25/2004 | EP1053423B1 Piezoelectric actuator |
| 08/25/2004 | CN1523577A Actuator using piezoelectric element and head-positioning mechanism using the actuator |
| 08/24/2004 | US6781289 Piezo actuator |
| 08/24/2004 | US6781284 Electroactive polymer transducers and actuators |
| 08/24/2004 | US6781283 Vibration element and vibration wave driving apparatus |
| 08/24/2004 | US6779650 Apparatus for levitating objects and apparatus for transporting objects |
| 08/24/2004 | US6779238 Method of manufacturing piezoelectric actuator |
| 08/24/2004 | CA2201820C Actuator with a triggerable element of variable length made of a multifunctional material |
| 08/19/2004 | WO2004070930A1 Linear actuator |
| 08/19/2004 | WO2004034560A3 Energy-autarchic electromechanical radio switch |
| 08/19/2004 | US20040160703 Magnetic head actuator and method for manufacturing the same |
| 08/19/2004 | US20040160146 Ultrasonic motor having integrated electrodes and manufacturing method of the same |
| 08/19/2004 | US20040160145 Piezoelectric device and method for manufacturing the same |
| 08/19/2004 | DE10305026A1 Power supply device e.g. for portable appliance, such as torch, has piezo-converter connected on output side with voltage rectifying circuit |
| 08/18/2004 | EP1446844A2 Curved electro-active actuators |
| 08/18/2004 | EP1446843A2 Device for controlling an electronically-monitored ultrasonic piezoelectric actuator, and method for using same |
| 08/18/2004 | EP1226348B1 Control unit for a capacitive actuator |
| 08/18/2004 | CN1521934A Optimization method and equipment for output power of vibrating driver, and product made from the same method |
| 08/18/2004 | CN1162859C Double stage executing system for high density hard disk driver with circular rotary piezoelectric executing mechanism |
| 08/12/2004 | WO2004068675A1 Galvanometer motor with composite stator assembly |
| 08/12/2004 | US20040156752 bonded to or otherwise coupled with the rotor, so as to be interposed between the rotor and the stator teeth of a conventional piezoelectric motor; improved torque transfer; reduced wear through decreased slippage |
| 08/12/2004 | US20040156274 Piezoelectric actuator, timepiece, and portable device |
| 08/12/2004 | US20040155561 Vibrating piece, vibrator, oscillator, and electronic device |
| 08/12/2004 | US20040155559 Ferroelectric thin film element, piezoelectric actuator and liquid discharge head |
| 08/12/2004 | US20040155558 Tunable vibratory actuator |
| 08/12/2004 | US20040155557 Piezoelectric vibration body, manufacturing method thereof, and device comprising the piezoelectric vibration body |
| 08/12/2004 | US20040155556 Electrostatic actuator and manufacturing method of the same |
| 08/11/2004 | EP1445459A1 Control method for a piezoelectric actuator |
| 08/11/2004 | EP1444738A2 Device for converting mechanical energy into electrical energy |
| 08/11/2004 | EP1444737A1 Piezoelectric devices |
| 08/11/2004 | EP1444389A2 Oriented piezoelectric film |
| 08/11/2004 | CN1520020A Piexoelectric actuator |
| 08/11/2004 | CN1161876C Micro-driver for four-phase travelling-wave type supersonic motor |
| 08/10/2004 | US6774539 High pressure, high speed actuator |
| 08/10/2004 | US6774538 Multi-degree-of-freedom drive mechanism |
| 08/05/2004 | US20040150357 Control apparatus for vibration type actuator and electronic apparatus using it |
| 08/05/2004 | US20040150298 Meso-to- micro-scaleable device and methods for conversion of thermal energy to electrical energy |
| 08/05/2004 | US20040150294 Piezoelectric drive |
| 08/05/2004 | US20040150291 Production machine |
| 08/05/2004 | US20040149840 Injector comprising a piezo actuator |
| 08/05/2004 | US20040149687 Method of manufacturing a vacuum chuck used in imprint lithography |
| 08/05/2004 | US20040148771 Micro-electromechanical structure resonator frequency adjustment using radient energy trimming and laser/focused ion beam assisted deposition |
| 08/05/2004 | DE10314810A1 Verfahren zum Betreiben eines piezoelektrischen Motors sowie piezoelektrischer Motor mit einem Stator in Form eines hohlzylindrischen Oszillators A method of operating a piezoelectric motor as well as a piezoelectric motor having a stator in the form of a hollow-cylindrical oscillator |
| 08/05/2004 | DE10223553B4 Verfahren zur Ansteuerung eines Aktors und zugehörige Steuereinrichtung Method for driving an actuator and associated control device |
| 08/05/2004 | DE10152270B4 Schaltungsanordnung zur Entladung eines Bufferkondensators Circuit arrangement for the discharge of a buffer capacitor |
| 08/04/2004 | CN2631119Y Single-phase mono PZT electrode axial-push and sid-push efficient superaudio actuator |
| 08/04/2004 | CN1518204A Vibration conversion type ultrasonic motor based on half wave combined bar piezoclectric vibrator |
| 08/03/2004 | US6771006 Cylindrical ultrasound transceivers |
| 08/03/2004 | US6771004 Actuator using displacement element |
| 08/03/2004 | US6771003 Surface acoustic wave apparatus and communication unit |
| 07/29/2004 | WO2004064171A1 A resonance control apparatus for a piezoelectrical device based on phase sensitive detection |
| 07/29/2004 | WO2004064170A2 Method for operating a piezoelectric motor, and piezoelectric motor comprising a stator in the form of a hollow cylindrical oscillator |
| 07/29/2004 | WO2004064117A2 High efficiency passive piezo energy harvesting circuit |
| 07/29/2004 | WO2004062416A1 Releasable fastener systems and processes |
| 07/29/2004 | WO2004021555A3 Single-phase electroactive motor |
| 07/29/2004 | US20040145280 Electromechanical converter comprising at least one piezoelectric element |
| 07/29/2004 | US20040145276 Multilayer electrical component having a passivation layer |
| 07/29/2004 | US20040145275 Ultasonic motor having securing projections |
| 07/29/2004 | US20040145274 Method for controlling a piezoelectric actuator which is used to displace an element |
| 07/29/2004 | US20040145273 Electronic driver circuit for high-speed actuation of high-capacitance actuators |
| 07/29/2004 | US20040145272 Tuning of packaged film bulk acoustic resonator filters |
| 07/29/2004 | US20040145249 Galvanometer motor with composite stator assembly |
| 07/29/2004 | DE102004002249A1 Piezoaktiver Aktor mit Bewegungsverstärkung Piezoactive actuator with increase of movement |
| 07/29/2004 | DE10150424B4 Reflexionssystem und Verwendung des Reflexionssystems Reflection system and using the reflection system |
| 07/29/2004 | DE10133151B4 Bauteil mit einem Gehäuse umgebenen Bauelement und Vorrichtung und Verfahren, die bei seiner Herstellung einsetzbar sind Component having a housing surrounding the component and apparatus and methods that can be used in its manufacture |
| 07/29/2004 | DE10130856B4 Piezoelektrisches Mehrfachstapel-Betätigungsglied für einen Kraftstoffinjektor A piezoelectric multi-stack actuator for a fuel injector |
| 07/28/2004 | EP1440484A2 Device for driving an electronically monitored ultrasonic piezoelectric actuator and method for using same |
| 07/28/2004 | EP1440483A2 Method and device for charging and discharging a piezoelectric element |
| 07/28/2004 | CN1516660A Notchback motor vehicle |
| 07/28/2004 | CN1159843C Surface acoustic wave device and its production method |
| 07/28/2004 | CN1159835C Curve and straight combined straight line ulrasonic motor |