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8994370 Magnetoresistor integrated sensor for measuring voltage or current, and diagnostic system  
The invention relates to an integrated sensor, including terminals (1, 2) for connection to an electric generator, said terminals being connected to a metal measuring line (4, 5) in which a...
8981586 Systems and methods to harvest fluid energy in a wellbore using preloaded magnetostrictive elements  
A magnetostrictor assembly (100) includes a magnetostrictor element (105), a conductor coupled to the magnetostrictor element, and a bluff body (101) coupled to the magnetostrictor element via a...
8907506 Multimodal vibration harvester combining inductive and magnetostrictive mechanisms  
Multi-Mechanism Energy Harvesters (MMEHs) combining magnetostrictive and inductive mechanisms with a shape and size similar to an AA battery. Included are MMEHs with (a) an inductive mode: a...
8901786 Actuator  
Actuator having a drive element (16) which can be driven in reaction to electrical operation of a coil device (14), said drive element consisting of a magnetic shape-memory material and being...
8890376 Energy harvesting methods and devices, and applications thereof  
An apparatus harvests electrical power from mechanical energy. The apparatus includes first and second load-bearing structures, a plurality of magnetostrictive elements, and an electrical circuit...
8836179 Systems and methods of energy harvesting with positive displacement motor  
A system to harvest energy from shaft rotation includes a housing, a curved shaft disposed within the housing, and a magnetostrictive material embedded in the housing. A rotation of the curved...
8823221 Optimized galfenol-type magnetostrictive actuator  
An apparatus and a method for optimizing a Galfenol-type magnetostriction actuator. The method and apparatus includes an elongated Galfenol-type magnetostrictive bar, first coil and a second coil,...
8786389 Magnetostrictive resonant energy converter  
A resonant energy conversion apparatus may utilize magnetostrictive properties of a toroidal magnet. Electrical current induces periodic, complementary magnetic fields around separate quadrants of...
8779637 Magnetic actuation method  
The present invention relates to a magnetic actuation method according to which a magnetized mobile (4) is directed by means of at least one magnetic element (2, 2a, 2b) placed opposite said...
8766495 Power generation element and power generation apparatus including the power generation element  
A power generation element includes: a first nnagnetostrictive rod made of a nnagnetostrictive material; a rigid rod made of a magnetic material and disposed in parallel with the first...
8749101 Contact SH-guided-wave magnetostrictive transducer  
A contact shear horizontal (SH) mode guided-wave magnetostrictive transducer including: a transduction band which is disposed on a surface of an object to be tested and in which electromagnetic...
8736145 Electromechanical transducer device and method of forming a electromechanical transducer device  
A micro or nano electromechanical transducer device formed on a semiconductor substrate comprises a movable structure which is arranged to be movable in response to actuation of an actuating...
8665228 Energy efficient interactive display with energy regenerative keyboard  
An electronic device including an interactive display having an interactive mode and a non-interactive mode. The interactive display includes an image display device that displays a...
8659208 Waveform generator for driving electromechanical device  
An electrical waveform generator for driving an electromechanical load includes a digital signal processor connected to a waveform generator component in turn connected to an amplifier section...
8653719 Active 3D.O.F. stiffness element  
A dynamic three-degree-of-freedom actuator/transducer element comprising at least three piezoceramic actuators and force sensors, as integrated stacks, which are preloaded in the housing by a...
8519594 Hall effect power generator  
One or more superconductive cells are connected in series to provide voltage arising from the Hall effect when cooled to superconductor temperatures and immersed in a magnetic field. The magnetic...
8487487 Magnetostrictive actuator of a medical ultrasound transducer assembly, and a medical ultrasound handpiece and a medical ultrasound system having such actuator  
Apparatus includes a magnetostrictive actuator of a medical ultrasound transducer assembly. The actuator comprises a magnetostrictive alloy chosen from a list. A medical ultrasound handpiece...
8471432 Magnetostrictive actuator  
A magnetostrictive actuator comprises an assembly of at least two GMM rods (8, 9) spaced apart from each other on the same longitudinal axis, each rod being surrounded by a respective energising...
8416972 Transducer for vibration absorbing, sensing, and transmitting  
A hermetically sealed actuator design for absorbing and reducing the effect of sound or vibration energy from a vibrating surface. The device comprises a body (1) containing a magnetostrictive...
8384501 Electromagnetic actuator having a magnetostrictive element and method for operating the electromagnetic actuator  
An electromagnetic actuator (1) with an armature (3) mounted so that the armature can be moved by virtue of a bearing arrangement (6A, 6B) and an electric coil (4) is provided for moving the...
8378532 Actuator apparatus responsive to electrical activation  
Actuator apparatus having a drive element (26) which can tilt and/or pivot in a predetermined manner in response to electrical activation and which is formed such that it can be contacted by an...
8338993 Actuator using magnetic force, and drive device and sensor using the same  
To provide an actuator that can flexibly and softly move like muscles, can maintain a stable operation over a long period of time, can generate a strong driving force, has a rapid input response,...
8330334 Apparatus employing piezoelectric energy harvester capable of generating voltage to drive power conditioning circuit and method of manufacturing the same  
Provided are a piezoelectric energy harvester and a method of manufacturing the same. The piezoelectric energy harvester is configured to obtain primary voltage from a piezoelectric layer vibrated...
8308874 Magnetostrictive materials, devices and methods using high magnetostriction, high strength FeGa and FeBe alloys  
An alloy comprising: a magnetostrictive iron alloy having the formula: FexGayAlz, where x is of from about 65 at % to about 90 at %, y is of from about 5 at % to about 35 at %, andz is of from...
8237525 Device having a shape memory element  
Conventional devices have a valve needle and a shape memory element which, by the application of a controllable magnetic field, executes a control stroke travel that operates the actuator, and...
8212436 Apparatus for harvesting electrical power from mechanical energy  
An apparatus for harvesting electrical power from mechanical energy is described. The apparatus includes: a flux path. The flux path includes: a magnetic material having a magnetic property that...
8198761 Magnet drive motor  
A magnetic drive motor includes a housing; a plurality of cylinders bored in the housing, each cylinder having an upper end; a piston reciprocatingly received within each cylinder; a cylinder head...
8134432 Magnetically biased magnetopropant and pump  
Provided is a system and method for enabling pressure or acoustic waves to induce magnetostrictive volume or shape change, providing greater control over magnetopropants. A coating material and...
8093869 Apparatus for generating electricity utilizing nondestructive interference of energy  
A ferromagnetic material having non-zero magnetoelasticity, and/or nonzero magnetostriction is driven with vibratory mechanical energy at a frequency producing at least one resonant vibratory...
8008816 Device with magnetoplastic and/or magnetoelastic thin-film transducer and pick-up coil for harvesting energy  
A magnetoplastic and/or magnetoelastic material transduces linear motion, delivered to it by a mechanical connection, into a change of magnetic field, via twin boundary deformation. A bias...
7999422 Linear actuator using magnetostrictive power element  
A linear actuator includes a substantially cylindrical magnetostrictive element disposed in a housing. A retainer is cooperatively engaged with the housing and an exterior of the magnetostrictive...
7952239 Bimetallic strips for energy harvesting, actuation and sensing  
Disclosed are bimetallic strips that incorporate magnetostrictive materials to enhance and provide sensing, actuating and energy harvesting functions. The bimetallic strips include a positive...
7944071 Method and device for energy generation  
A method and device for using magnetostriction to generate electricity from fluid motion. The device includes a first structural component, an outer housing, and a strain structure. The outer...
7928614 High-performance ultrasonic transducer and method for the production thereof  
The invention relates to an ultrasonic transducer, comprising an ultrasonic flange and a magnetostrictive driver, wherein the driver is connected to a contact surface of the ultrasonic flange that...
7919909 Integrated coupling structures  
An integrated package provides contactless communication through a coupling mechanism embedded in the package. Package types include Surface Mount Technology (SMT), Low Temperature Co-fired...
7893801 Magnetically biased magnetopropant and pump  
Provided is a system and method for enabling pressure or acoustic waves to induce magnetostrictive volume or shape change, providing greater control over magnetopropants. A coating material and...
7880573 Magnetostriction aided switching  
A method for reducing a temperature rise of a magnetic material is provided. The method includes applying force to the magnetic material to reduce a dimensional change of the magnetic material...
7834490 Bimetallic strips for energy harvesting, actuation and sensing  
Disclosed are bimetallic strips that incorporate magnetostrictive materials to enhance and provide sensing, actuating and energy harvesting functions. The bimetallic strips include a positive...
7834514 Wireless surface acoustic wave-based proximity sensor, sensing system and method  
The subject invention is related to wireless proximity sensor and sensing system for detecting the position of an object. The system includes a transceiver for providing wireless communication...
7816799 Method and device for energy generation  
A method and device for using magnetostriction to generate electricity from fluid motion. The device includes a first structural component, an outer housing, and a strain structure. The outer...
7808159 Magnetostrictive / piezo remote power generation, battery and method  
A power generation device generates power by subjecting a composite of magnetostrictive material and piezo material to a magnetic field. The composite of magnetostrictive material and piezo...
7804229 Magnetostrictive / piezo remote power generation, battery and method  
A power generation device generates power by subjecting a composite of magnetostrictive material and piezo material to a magnetic field. The composite of magnetostrictive material and piezo...
7791250 Method for ultra-fast controlling of a magnetic cell and related devices  
The present invention relates to a device and corresponding method for ultrafast controlling of the magnetization of a magnetic element. A device (100) includes a surface acoustic wave generating...
7781939 Thermal expansion matching for acoustic telemetry system  
Thermal expansion matching for an acoustic telemetry system. An acoustic telemetry system includes at least one electromagnetically active element and a biasing device which reduces a compressive...
7732994 Non-linear piezoelectric mechanical-to-electrical generator system and method  
A non-linear power generator system that may include a flexible beam for receiving a mechanical input, the flexible beam being supported in a bowed configuration; an electrically responsive member...
7688168 Actuators based on ferromagnetic shape memory alloy composites  
Linear actuators (also known as an inchworm actuator) including a magnetically actuatable shape memory alloy (SMA) are described. The linear actuators include a bar and an actuator assembly,...
7675253 Linear actuator using magnetostrictive power element  
A linear actuator includes a substantially cylindrical magnetostrictive element disposed in a housing. A retainer is cooperatively engaged with the housing and an exterior of the magnetostrictive...
7664377 Driving apparatus for a ceiling fan  
A driving apparatus for a DC brushless motor of a ceiling fan is provided. By setting at least one coder and one sensor outside the DC brushless motor, the driving apparatus can sense the position...
7638922 Method for ultra-fast controlling of a magnetic cell and related devices  
The present invention relates to a device and corresponding method for ultrafast controlling of the magnetization of a magnetic element. A device (100) includes a surface acoustic wave generating...
7612473 Driving device and method  
A driving device has a magnetostrictive actuator that drives a load member based on a driving signal, a sensor that detects an action of the load member, and a compensation unit that performs...