| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 06/26/2008 | US20080150394 Ultrasonic motor |
| 06/26/2008 | US20080150393 Ultrasonic motor |
| 06/26/2008 | DE102007047905A1 Piezoelectric adjusting element for use in fuel injectors as power source, is arranged in fuel passage in fuel injector for internal combustion engine and fuel is exposed in fuel passge |
| 06/26/2008 | DE102006062217A1 Fuel injector operating method for e.g. diesel engine, involves separating pressure and/or flow forces such that switching forces from piezoactuator is reduced, where actuator has pulling and pushing operating phases during its operation |
| 06/26/2008 | DE102006060848A1 Piezoactuator has series of individual layer made from a piezoelectric material, that are arranged between intermediate layer electrodes |
| 06/26/2008 | DE102006060651A1 Piezoelektrischer Aktor Piezoelectric actuator |
| 06/26/2008 | DE102006060594A1 Piezoelectric actuator for fuel injection valve, particularly injector for fuel injection system, has actuator body and lamination is applied partly on outer surface of actuator body and delamination gap is partially filled with lamination |
| 06/25/2008 | EP1263059B1 Matrix actuator |
| 06/25/2008 | EP1230689B1 Piezoelectric macro-fiber composite actuator and manufacturing method |
| 06/25/2008 | CN101207344A Creeping motion type piezoelectricity straight line driver |
| 06/25/2008 | CN101207343A Driving apparatus and image pickup apparatus |
| 06/25/2008 | CN101207342A Ultrasonic motor |
| 06/25/2008 | CN101206301A Zooming lens module group |
| 06/25/2008 | CN100397091C Placing table drive device and probing method |
| 06/25/2008 | CN100397040C Fork oscillating element, oscillating top using the same, electronic device using the oscillating top, and manufacturing method of the fork oscillating element |
| 06/19/2008 | WO2008072768A1 Laminated piezoelectric element, jetting device provided with the laminated piezoelectric element and fuel jetting system |
| 06/19/2008 | WO2008072767A1 Laminated piezoelectric element, jetting device provided with the laminated piezoelectric element, and fuel jetting system and |
| 06/19/2008 | WO2008072746A1 Laminated piezoelectric element, jetting device provided with the laminated piezoelectric element, and fuel jetting system |
| 06/19/2008 | WO2007109272B1 Energy generating systems for implanted medical devices |
| 06/19/2008 | US20080143214 Self-contained voltage generating systems |
| 06/19/2008 | US20080143213 Ultrasonic motor |
| 06/19/2008 | US20080143195 Magnetomechanical transducer, and apparatus and methods for harvesting energy |
| 06/19/2008 | US20080141981 Piezoelectric actuator module with a sheathed piezoelectric actuator |
| 06/19/2008 | DE102006059694A1 Actuator module for use in piezoactuator, has piezoelement arranged between actuator head and actuator foot and piezoelement encloses fluid-filled casing of piezoactuator |
| 06/19/2008 | DE102006058745A1 Fuel injection valve, for an internal combustion motor, monitors the actuator control current to give a structured change to the charging voltage for the needle operation |
| 06/19/2008 | DE102006058744A1 Verfahren zum Betreiben eines Einspritzventils A method for operating an injection valve |
| 06/19/2008 | DE102006058742A1 Verfahren zum Betreiben eines Kraftstoffeinspritzventils A method for operating a fuel injection valve |
| 06/19/2008 | DE10152946B4 Oberflächenwellenbauelement und Herstellungsverfahren für dasselbe Surface acoustic wave device and manufacturing method for the same |
| 06/18/2008 | EP1488663A4 Method and system for external assessment and positioning of hearing aids that include implanted actuators |
| 06/18/2008 | CN201075849Y Dual stator clamping type three freedom ultrasound wave electric machine |
| 06/18/2008 | CN201075848Y Air cooling temperature control type ultra-magnetic deformation micro displacement driver |
| 06/18/2008 | CN201075847Y Phase transition water cooling temperature control type ultra-magnetic deformation micro-drive part |
| 06/18/2008 | CN201075846Y Bending compressional vibration type straight line ultrasound wave electric machine |
| 06/18/2008 | CN201075845Y Screwed cap type ultrasound electric machine |
| 06/18/2008 | CN201075844Y Holding-up drive type micro motor for reducing driving voltage |
| 06/18/2008 | CN201075843Y Short column type ultrasound wave electric machine |
| 06/18/2008 | CN201075395Y Bounce type actuator and micromotor |
| 06/18/2008 | CN101202519A Ultrasound electric machine with two degrees of freedom |
| 06/17/2008 | US7387035 Method of making a force curve measurement on a sample |
| 06/12/2008 | US20080136292 Miniaturized Piezoelectric Based Vibrational Energy Harvester |
| 06/12/2008 | US20080136290 Power generator using piezoelectric material |
| 06/12/2008 | US20080136052 Electroactive polymer manufacturing |
| 06/11/2008 | EP1929621A1 Movement platform for carrier with 5 degrees of freedom |
| 06/11/2008 | EP1929620A1 Arrangement comprising a piezo actuator and a method for the production thereof |
| 06/11/2008 | EP1142038B1 Control for piezoelectric actuator |
| 06/11/2008 | EP1129493B1 Piezoceramic multi-layer structure with regular polygon cross-sectional area |
| 06/11/2008 | CN101195349A Intelligent folding electron-inducing device |
| 06/11/2008 | CN100394006C Method for determining the individual control voltage of a piezoelectric element |
| 06/10/2008 | US7385336 Microbiological energy source for driving a consumer |
| 06/05/2008 | WO2008066098A1 Laminated piezoelectric element, jetting device provided with the laminated piezoelectric element and fuel jetting system |
| 06/05/2008 | WO2008007013A3 Rotary piezoelectric motor |
| 06/05/2008 | US20080129147 Energy Harvester with Adjustable Resonant Frequency |
| 06/05/2008 | US20080129146 Megasonic apparatus, circuitry, signals and methods for cleaning and/or processing |
| 06/05/2008 | US20080129143 Trimming element and sensor on a single chip |
| 06/05/2008 | US20080129126 Vibration wave linear motor |
| 06/05/2008 | DE19916161B4 Einrichtung zur Erzeugung hochfrequenter mechanischer Schwingungen für ein dentales Handstück Means for generating high-frequency mechanical vibrations for a dental handpiece |
| 06/03/2008 | US7382083 Piezoelectric actuater unit, manufacturing method thereof, piezoelectric structural body, and liquid ejecting apparatus using the same |
| 06/03/2008 | US7382080 Piezoelectric ultrasonic motor driver |
| 05/29/2008 | WO2008007017A3 Method and control device for the speed of rotation of a piezoelectric motor rotor |
| 05/29/2008 | WO2007137372A8 Positioning motor and apparatus |
| 05/29/2008 | WO2005124918A3 Electrochemical actuating methods, devices and structures |
| 05/29/2008 | US20080122316 Ultrasonic motor and microscope stage |
| 05/29/2008 | DE102007008252A1 Ultaschallantrieb Ultaschallantrieb |
| 05/29/2008 | DE102006055266A1 Piezoelectric unit operating method for actuator of fuel injecting valve, involves reloading piezoelectric unit by inductive unit, and considering energy stored in magnetic field of inductive unit during activation of piezoelectric unit |
| 05/29/2008 | DE102006055259A1 Injected fuel e.g. diesel, amount determining method, involves evaluating rise of voltage signal, and determining measure for movement of nozzle needle and measure for injected amount of fuel based on increase in voltage signal |
| 05/29/2008 | DE102006054701A1 Piezoaktor mit übereinandergestapelten Piezoelementen Stacked piezoelectric actuator with piezoelectric elements |
| 05/29/2008 | DE102006054700A1 Actuator module for piezo-injector, has piezo-actuator including casing with metal components in area of connection of rubber element at actuator head and actuator base, where rubber element is provided in area of piezo-elements |
| 05/29/2008 | DE102006054597A1 Control device for ultrasonic motor, has phase-shifting controller of two symmetric square-wave signals with frequency giving input that is connected with output of rear coupling circuit, and with unit of rear coupling circuit |
| 05/28/2008 | CN201066826Y An ultrasonic electromotor system for control |
| 05/28/2008 | CN101189787A Piezoelectric actuator and electronic device having the same |
| 05/28/2008 | CN101189743A Piezoelectric element |
| 05/27/2008 | US7378777 Drive apparatus and device with same |
| 05/22/2008 | US20080116763 Mold including a piezoelectric power generating arrangement |
| 05/21/2008 | EP1923995A1 Variable resonance frequency resonator and method for varying its resonance frequency |
| 05/21/2008 | EP1923987A2 Piezoelectric actuator, and timepiece as well as portable apparatus equipped with the same |
| 05/21/2008 | EP1922772A1 Circuit and method for controlling a piezoelectric or electrostrictive actuator |
| 05/21/2008 | EP1127380B1 Multidirectional motors |
| 05/21/2008 | DE102006050784A1 Actuator i.e. electrostrictive or magnetostrictive actuator, has actuating unit with head surface that is turned away from arc-shaped spiral spring and spreader body, where unit is supported at spreader body with another head surface |
| 05/21/2008 | CN201063551Y Bias support cantilever type piezoelectric inertia shock precise driver |
| 05/21/2008 | CN101183174A Deformable mirror |
| 05/20/2008 | US7375455 Ultrasonic motor driving device and ultrasonic diagnosis apparatus |
| 05/20/2008 | US7374415 Apparatus to control displacement of a body spaced-apart from a surface |
| 05/15/2008 | WO2008056528A1 Vibration-type actuator |
| 05/15/2008 | US20080111449 Arrangement for the mechanical interfacing of a mems micromotor with a clock wheel and timepiece comprising this arrangement |
| 05/15/2008 | US20080111431 Linear actuator using magnetostrictive power element |
| 05/15/2008 | DE60035932T2 Piezoelektrisches/elektrostriktives Bauelement und dessen Herstellungsverfahren A piezoelectric / electrostrictive device and its manufacturing method |
| 05/15/2008 | DE102006053422A1 Vibrationssystem Vibration System |
| 05/15/2008 | DE102006053421A1 Vibrationsgenerator Vibration generator |
| 05/14/2008 | EP1920529A2 Arrangement with a piezoactuator and a method for production thereof |
| 05/14/2008 | EP1920477A1 Arrangement with a piezo actuator |
| 05/14/2008 | CN101179233A Swing type ultrasonic vibration drill |
| 05/14/2008 | CN100388612C Large stroke length nano-stepping piezoelectric motor |
| 05/14/2008 | CN100388611C Differential-mode magnetic control shape memory alloy actuator |
| 05/13/2008 | US7372190 Driving apparatus |
| 05/13/2008 | US7372189 Driving device |
| 05/13/2008 | US7371473 Film of an oxide: Pb(ZrTi)1-xNbxO3 where x is greater than 0.1 and less than or equal to 0.4; does not require a barrier film |
| 05/13/2008 | US7371223 Electroactive polymer actuated heart-lung bypass pumps |
| 05/08/2008 | WO2008053835A1 Piezoelectric power generating mechanism |
| 05/08/2008 | US20080106171 Self-focusing acoustic transducers to cool mobile devices |
| 05/08/2008 | DE102006052175A1 Trägheitsantriebsvorrichtung Inertial mover |