| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 04/02/2008 | CN101154896A Double-stator double-rotor motor |
| 04/02/2008 | CN101153950A Lens driving device |
| 04/02/2008 | CN100377878C Piezoelectric element, piezoelectric actuator, ink jet recording head and ink jet printer |
| 04/01/2008 | US7352538 Magnetic disk drive piezoelectric actuator with hinge plate limbs extending non-linear symmetrically from central portion |
| 04/01/2008 | US7352254 Micro-oscillator, semiconductor device and communication apparatus |
| 04/01/2008 | US7352109 Flat type piezoelectric ultrasonic motor |
| 04/01/2008 | US7352108 Piezoelectric driving device and a regulation method for a piezoelectric driving device |
| 04/01/2008 | US7350904 Piezoelectric element, piezoelectric actuator, ink jet recording head, ink jet printer, surface acoustic wave element, frequency filter, oscillator, electronic circuit, thin film piezoelectric resonator, and electronic apparatus |
| 03/27/2008 | DE112006000998T5 Ultraschallmotor und Verfahren zur Herstellung eines Ultraschallmotors An ultrasonic motor and an ultrasonic motor manufacturing method for |
| 03/27/2008 | DE102007022430A1 Tire module for detecting e.g. tire pressure in e.g. motorcycle, has movable mass unit and piezoelectric unit arranged such that mass unit strikes on piezoelectric unit during rotation or rolling of tires on ground |
| 03/27/2008 | DE102007018039A1 Piezo actuator module for common rail injection system, has casing attached to connection units in region of front surfaces of piezo actuator and/or actuator head and/or actuator base in force fit and/or form fit manner |
| 03/27/2008 | DE102006044000A1 Elektromechanischer Stellantrieb Electromechanical Actuator |
| 03/27/2008 | DE102006043709A1 Piezo actuator arrangement for controlling of needle stroke in injection system, has isolation mass partially arranged between covering and piezo unit that is clamped between actuator foot and actuator head |
| 03/27/2008 | DE102006043325A1 Fuel injecting valve`s piezoelectric actuator controlling method for internal-combustion engine i.e. diesel internal-combustion engine, involves determining temporal voltage and current profile for controlling piezoelectric actuator |
| 03/27/2008 | DE102006043136A1 Piezo actuator for use in piezo injector, has inner electrodes with conducting layer engaging part of cross sectional surface of piezo element, another conducting layer covering surface areas of former layer that is not facing electrodes |
| 03/27/2008 | DE102006043027A1 Verspannelement und Piezoaktor mit dem Verspannelement Bracing and piezoelectric actuator with the bracing |
| 03/27/2008 | DE102006042973A1 Dehnrohr Dehnrohr |
| 03/27/2008 | DE102006041670A1 Actuator module for use in e.g. diesel piezoelectric injector, has elastomer layer surrounded by bellow made from material that is diffusion resistant against medium surrounding bellow such that bellow pre-stresses piezoelectric units |
| 03/26/2008 | EP1902515A1 Dielectric polymer actuator |
| 03/26/2008 | CN201041991Y Ultrasonic electromotor driver without transformer |
| 03/26/2008 | CN201041990Y Ultrasonic electromotor drive module based on DC voltage ascending and chop-wave |
| 03/26/2008 | CN101151794A 声表面波马达 Surface acoustic wave motor |
| 03/26/2008 | CN101150290A A wide temperature domain huge magnet driven flexible magnetism controlled driver |
| 03/26/2008 | CN101150289A Ultrasound motor drive controller based on built-in system chip |
| 03/26/2008 | CN101150168A Actuator device and liquid injection head |
| 03/26/2008 | CN100377489C In-plane composite modality linear piezoelectricity micromotor |
| 03/26/2008 | CN100376395C Piezoelectric element, ink jet recording head and piezoelectric element manufacturing method |
| 03/25/2008 | US7349293 Pressure control apparatus and rotation drive mechanism |
| 03/25/2008 | US7348711 Piezoelectric/electrostrictive element, method of manufacturing piezoelectric/electrostrictive element, piezoelectric/electrostrictive device, and method of manufacturing piezoelectric/electrostrictive device |
| 03/25/2008 | US7348710 Robust electromechanical motor |
| 03/25/2008 | US7348693 Vibration wave linear motor |
| 03/20/2008 | WO2008033467A2 Auto-focus and zoom module with vibrational actuator and position sensing method |
| 03/20/2008 | WO2008031220A1 A generator for prosthesis and orthosis |
| 03/20/2008 | WO2007134051A3 High frequency ultrasound transducers |
| 03/20/2008 | US20080068728 Auto-focus and zoom module with vibrational actuator and position sensing method |
| 03/20/2008 | US20080067898 Piezoelectric element, and liquid jet head and ultrasonic motor using the piezoelectric element |
| 03/20/2008 | US20080067894 Ultrasonic rotary drive device |
| 03/20/2008 | US20080067893 System and Methodology for Generating Electricity Using At Least One Heat Engine and Thermoacoustic Element to Apply Cyclic Pressure Gradients to Piezoelectric Material |
| 03/20/2008 | US20080067892 Piezoelectric device and method for manufacturing the same |
| 03/20/2008 | US20080066557 Flowmeter element, mass flowmeter and mass flow measurement system |
| 03/20/2008 | DE102006041154A1 Actuating drive for e.g. membrane valve, has two curved spiral springs made from same or different material, and tie-rod provided for pre-stressing springs and supported at angular point of springs |
| 03/20/2008 | DE102006040316A1 Piezokeramischer Flächenaktuator und Verfahren zur Herstellung eines solchen Surface actuator piezoceramic and methods for producing such |
| 03/19/2008 | EP1589846B1 Releasable fastener systems and processes |
| 03/19/2008 | CN201039036Y Dumbbell stator |
| 03/19/2008 | CN201038194Y Magnetostrictive device and linear motor and vibration device adopting same |
| 03/19/2008 | CN101145742A A dual-phase set ultra-magnetism flexible driver and its implementation method |
| 03/19/2008 | CN101145741A Dual-stator 3-freedom ultrasonic motor |
| 03/19/2008 | CN100375678C Layered piezoelectric element realizing stable operating characteristic for high quality image recording |
| 03/18/2008 | US7345405 Piezoelectric/electrostrictive device and method of manufacturing same |
| 03/18/2008 | US7345403 Lamination-type piezoelectric element and manufacturing method thereof |
| 03/18/2008 | US7343655 Manufacturing methods of micro electromechanical switch |
| 03/13/2008 | WO2008029573A1 Shear mode-type piezoelectric actuator and liquid droplet delivery head |
| 03/13/2008 | US20080061916 Lateral Piezoelectric Driven Highly Tunable Micro-electromechanical System (MEMS) Inductor |
| 03/13/2008 | DE102006040731A1 Einrichtung zur Energieumwandlung, insbesondere piezoelektrischer Mikro-Power-Wandler Means for converting energy, in particular piezoelectric micro-power converter |
| 03/13/2008 | DE102006040726A1 Vorrichtung zur Energieumwandlung, insbesondere piezoelektrischer Mikro-Power-Wandler An energy conversion, particularly piezoelectric micro-power converter |
| 03/13/2008 | DE102006039821A1 Projection exposure apparatus for microlithography, has manipulator with linear drive, which is designed as direct drive such that lens is displaced up to specific micrometers with accuracy of ten millimeters in two degrees of freedom |
| 03/13/2008 | DE102006039522A1 Verfahren zur Leerhubsteuerung einer Kraftstoffeinspritzvorrichtung Method for Leerhubsteuerung a fuel injector |
| 03/13/2008 | DE102006019489B4 Piezoaktor mit Mehrschicht-Verkapselung und Verfahren zu seiner Herstellung Piezo actuator with multilayer encapsulation and process for its preparation |
| 03/13/2008 | DE102005025414B4 Verfahren und Vorrichtung zum Prüfen einer axialen Position eines Piezoaktors in einem Gehäuse während eines Betriebs des Piezoaktors A method and apparatus for testing an axial position of a piezoelectric actuator in a housing during an operation of the piezoelectric actuator |
| 03/12/2008 | CN101142633A Precision positioning device |
| 03/12/2008 | CN101141102A Ultrasound motor driven quick reaction device |
| 03/12/2008 | CN100375380C Curve swing head supersonic mciro motor composed of multiple piezoelectric lamination pile transducer |
| 03/12/2008 | CN100375307C Electro-active device |
| 03/12/2008 | CN100375306C Piezoelectric component and method for the production thereof |
| 03/12/2008 | CN100374895C Vibration wave linear motor and lens implement using same |
| 03/12/2008 | CN100374299C Dielectric thin film element, piezoelectric actuator and liquid discharge head, and method for manufacturing the same |
| 03/11/2008 | US7342349 Piezoelectric actuator array and manufacturing method |
| 03/11/2008 | US7342348 Micro displacement mechanism and magnetic disk apparatus |
| 03/11/2008 | US7342347 Piezomotor with a guide |
| 03/06/2008 | WO2008026552A1 Drive apparatus |
| 03/06/2008 | WO2008025782A1 Apparatus for energy conversion, in particular a piezeoelectric micropower converter |
| 03/06/2008 | WO2008025778A1 Device for energy conversion, in particular a piezoelectric micropower converter |
| 03/06/2008 | WO2007137372A3 Positioning motor and apparatus |
| 03/06/2008 | WO2007129987A8 Piezoelectric micromotor construction and method of driving the same |
| 03/06/2008 | US20080054762 Vibrating debris remover |
| 03/06/2008 | US20080054761 Piezoelectric/electrostrictive device |
| 03/06/2008 | US20080054760 Vibration control apparatus and method |
| 03/06/2008 | DE102006040251A1 Pump, has pair of magnetostrictive actuators arranged in temporal direction-variable magnetic field, where magnetostrictive actuators respectively exhibits pair of magnetic domain directions, which are different from each other |
| 03/05/2008 | EP1895650A1 Piezoelectric actuator and electronic device having the same |
| 03/05/2008 | EP1252663B1 Piezo actuator |
| 03/05/2008 | EP1030969B1 Fuel injection valve and pressure sensor combination |
| 03/05/2008 | CN101136551A Power generation system |
| 03/05/2008 | CN100373650C Passivation material for an electric component and piezoelectric component in the form of a multilayer structure |
| 03/04/2008 | US7339308 Actuating unit for a piezo-electrically controlled fuel injection valve |
| 03/04/2008 | US7339305 Piezoelectric actuator drive apparatus, electronic device, driving method thereof, drive control program thereof, and storage medium in which program is stored |
| 02/28/2008 | WO2008023686A1 Piezoelectric actuator element for ultrasonic motor |
| 02/28/2008 | US20080048526 Piezoelectric actuator device for ultrasonic motor |
| 02/28/2008 | US20080048523 Drive wave generation circuit |
| 02/28/2008 | US20080048522 Vibration wave motor control apparatus, vibration wave motor control method, program, and storage medium |
| 02/28/2008 | DE102006039936A1 Elektromechanischer Rotationswandler und Verfahren zum Erzeugen elektrischer Energie mitttels eines elektromechanischen Rotationswandlers Electromechanical rotation converter and method of generating electrical energy mitttels of an electromechanical rotation converter |
| 02/27/2008 | EP1504518B1 Starting-process controller for starting a piezomotor |
| 02/27/2008 | EP1402582B1 A piezoelectric actuator |
| 02/27/2008 | CN201029221Y Multi-layer piezoelectricity type micro-displacement actuator |
| 02/27/2008 | CN201029008Y Micro-lens two-stage focusing structure |
| 02/27/2008 | CN101133501A Multilayer piezoelectric element |
| 02/27/2008 | CN101132156A Piezoelectric ceramic driving circuit used for optical fiber stress adjustment |
| 02/27/2008 | CN101132155A Micro-motor adopting shape memory alloy |
| 02/26/2008 | US7336022 Piezoelectrical bending converter |
| 02/26/2008 | US7336021 Piezoelectric/electrostrictive device and method of manufacturing same |
| 02/26/2008 | US7336018 Circuit configuration for charging and discharging a plurality of capacitive actuators |