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This page is updated frequently with new Magnetic Field-related patent applications. Subscribe to the Magnetic Field RSS feed to automatically get the update: related Magnetic RSS feeds. RSS updates for this page: Magnetic Field RSS RSS


Magnetic logic units configured as analog circuit building blocks

Crocus Technology

Magnetic logic units configured as analog circuit building blocks

Device for measuring magnetic fields with laplace force

Commissariat à I'énergie Atomique Et Aux énergies Alternatives

Device for measuring magnetic fields with laplace force

Device for measuring magnetic fields with laplace force

Gimer Medical

Implantable medical device and system


Date/App# patent app List of recent Magnetic Field-related patents
07/30/15
20150215995 
 Induction heating container patent thumbnailnew patent Induction heating container
To provide an induction heating container that can be used safely in which bumping that occurs when a liquid object to be heated such as water or soup accommodated therein is heated by an electromagnetic cooker is effectively suppressed, thereby preventing a user from getting burned or the surrounding area of the electromagnetic cooker from being contaminated. This induction heating container 1 is an induction heating container in which an induction heat generator 3 is attached to the inside of a container main body 2 that is made of a non-conductive material so as to enable cooking by heating by an electromagnetic cooker, wherein the induction heat generator 3 comprises: a laminated body involving a conductor layer 4 that generates heat by induction of eddy current by high-frequency magnetic field and a heat-seal layer 5 that exhibits heat-sealing properties to the container main body, and an eddy current control part 6 that is obtained by cutting the conductor layer 4 along the circumferential direction..
Toyo Seikan Group Holdings, Ltd.


07/30/15
20150215708 
 Medical device for lessening the effects of noise and interference from varying or alternating magnetic fields patent thumbnailnew patent Medical device for lessening the effects of noise and interference from varying or alternating magnetic fields
An external device of an implantable medical system includes a coil that is substantially disposed in an xy-plane. When a first ac electrical signal is passed through the coil, the coil generates an alternating magnetic field that represents the ac electrical signal.

07/30/15
20150215004 
 Magnetic wireless ground data link for aircraft health monitoring patent thumbnailnew patent Magnetic wireless ground data link for aircraft health monitoring
A system and method of communicating a signal is disclosed. An aircraft is moved so that an aircraft-based coil is within a selected volume defined by a ground-based coil.
Simmonds Precision Products, Inc.


07/30/15
20150214953 
 Analog circuits incorporating magnetic logic units patent thumbnailnew patent Analog circuits incorporating magnetic logic units
A circuit includes a magnetic logic unit including input terminals, output terminals, a field line, and magnetic tunnel junctions (mtjs). The field line electrically connects a first and a second input terminal, and is configured to generate a magnetic field based on an input to at least one of the first and the second input terminal.
Crocus Technology Inc.


07/30/15
20150214952 
 Magnetic logic units configured as analog circuit building blocks patent thumbnailnew patent Magnetic logic units configured as analog circuit building blocks
A circuit includes a magnetic logic unit including input terminals, output terminals, a field line, and magnetic tunnel junctions (mtjs). The field line electrically connects a first and a second input terminal, and is configured to generate a magnetic field based on an input to at least one of the first and the second input terminal.
Crocus Technology Inc.


07/30/15
20150214824 
 Electromagnetic turbine patent thumbnailnew patent Electromagnetic turbine
A generator including a first magnetic assembly and a second magnetic assembly wherein the first and second magnetic assemblies are arranged in parallel for the production of a magnetic field and a null magnetic field region, a rotor positioned between the first and second magnetic assemblies the rotor being coupled to a drive shaft extending through the first and second magnetic assemblies wherein a portion of the rotor is positioned in the null field region, a least one current transfer mechanism coupled to the rotor in the null field region and at least one current transfer mechanism coupled to the shaft, a drive mechanism attached to the shaft, whereby actuation of the drive mechanism causes rotation of the rotor in the magnetic field to produce a electric potential between the first and second current transfer mechanisms.. .
Guina Research And Development Pty Ltd


07/30/15
20150214794 
 Rotor of an alternator patent thumbnailnew patent Rotor of an alternator
The present invention relates to a rotor for an alternator, including a first claw pole element and an opposite second claw pole element and a plurality of n-pole claw-shaped bodies of the first claw pole element and a plurality of s-pole claw-shaped bodies of the second claw pole element being respectively adjacent to each other and spaced apart; wherein a permanent magnet is fixed between each of the n-pole claw-shaped bodies of the first claw pole element and each of the s-pole claw-shaped bodies of the second claw pole element which are adjacent to each other, to increase a magnetic field generated after the rotor is electromagnetically conducted and decrease magnetic leakage between the two pole elements, thereby increasing generating capacity of the alternator.. .
Victory Industrial Corporation


07/30/15
20150214788 
 Wireless power transfer apparatus patent thumbnailnew patent Wireless power transfer apparatus
A power sending loop coil disposed in a power sending device takes out electric energy from dc power and generates periodically-varying electromagnetic field resonance energy in a space. A power receiving loop coil disposed in a power receiving device takes out, as electric energy, the periodically-varying electromagnetic field resonance energy from the space and supplies electric power to a load.
Murata Manufacturing Co., Ltd.


07/30/15
20150214746 
 Energy harvesting system and methods patent thumbnailnew patent Energy harvesting system and methods
An energy harvesting system comprising a power cable and an energy harvesting device as shown in fig. 18.

07/30/15
20150214687 
 Maser assembly patent thumbnailnew patent Maser assembly
A maser assembly includes a pump light source; a maser material including molecules that are excited through the absorption of light (1) from the pump light source, and which subsequently transfer via intersystem crossing (9) into the sublevels of their triplet ground states, so causing a population inversion between two sublevels (16,18); an electromagnetic structure in which the masing material is disposed, and which supports a microwave mode that is both resonant in frequency with and magnetically coupled to the transition between these two sublevels; and where energy is supplied to the microwave mode through stimulated emission (25) across the transition at such a rate as to exceed the mode's electromagnetic losses, the microwave mode being a maser mode. The assembly includes provisions for effecting substantially continuous maser activity during operation of the assembly.
The Secretary Of State For Business Innovation & Skills Of Her Majesty's Britannic Government


07/30/15
20150214275 
new patent

Magnetic tunnel junction with superlattice barriers


A magnetic tunnel junction is provided. The magnetic tunnel junction can enhance the tunnel magnetoresistance ratio and a device including the magnetic tunnel junction.
National Taiwan University


07/30/15
20150214086 
new patent

Substrate transport vacuum platform


An apparatus including a first device configured to support at least one substrate thereon; and a first transport having the device connected thereto. The transport is configured to carry the device.
Persimmon Technologies, Corp.


07/30/15
20150214010 
new patent

Plasma enhanced chemical vapor deposition device


A plasma enhanced chemical vapor deposition apparatus is disclosed. The plasma enhanced chemical vapor deposition apparatus includes a pair of magnetic field generating unit arranged to face each other with a gap therebetween; a pair of facing electrodes arranged to face each other between the pair of magnetic field generating units; a gas supply unit configured to supply a reaction gas into a space between the pair of facing electrodes; and a precursor supply unit configured to supply a precursor into the space between the pair of facing electrodes.
Bmc Co., Ltd.


07/30/15
20150214008 
new patent

Device for generating plasma having a high range along an axis by electron cyclotron resonance (ecr) from a gaseous medium


The device includes at least two coaxial waveguides each formed of a central conductor and of an external conductor to bring microwaves into a treatment chamber. The at least two electromagnetic wave injection guides are combined with a magnetic circuit elongated in one direction.
H.e.f.


07/30/15
20150213934 
new patent

Levitation device with horizontal spin axis


A levitation device including an object levitatable at a predetermined position, wherein the object comprises a spinning magnet, the spinning magnet having a substantially horizontal spin axis defining an axial direction and the spinning magnet having a magnetization direction parallel to the spin axis, the device further comprising: a pusher magnet arrangement configured to produce a magnetic field at the predetermined position that is in the opposite direction to the magnetization direction of said spinning magnet; a lifter magnet arrangement lower than and to either side of the predetermined position, having a magnetization direction parallel to the magnetization direction of the spinning magnet, and having a recess under the predetermined position; and a puller magnet arrangement above said predetermined position and having a magnetization direction antiparallel to the magnetization direction of the spinning magnet.. .
Isis Innovation Limited


07/30/15
20150213931 
new patent

Method for selectively activating magnetic nanoparticle and selectively activated magnetic nanoparticle


Provided is a method of selective activation for a magnetic nanoparticle having a magnetic vortex structure. The method of selective activation for a magnetic nanoparticle in accordance with an embodiment of the present disclosure includes providing a magnetic nanoparticle having a magnetic vortex structure; applying a first magnetic field to the magnetic nanoparticle so that the magnetic nanoparticle has a resonance frequency; and activating the magnetic nanoparticle by applying a second magnetic field having the resonance frequency to the magnetic nanoparticle..
Seoul National University R&db Foundation


07/30/15
20150213820 
new patent

Magnetic recording head having thermal fly height control element with near zero magnetomotive force


A magnetic recording head with thermal fly height control, wherein the heating element is configured to eliminate magnetic field effects on the writing pole, which would cause otherwise cause non-symmetric writing or pole erasure. Non-symmetric writing is a phenomenon wherein magnetic writing favors one direction over another, thereby causing a timing shift in recorded data.
Hgst Netherlands B.v.


07/30/15
20150213437 
new patent

Multi-functional credit card type portable electronic device


An embodiment includes a credit card device capable of generating a programmed magnetic field of alternating polarity based on a speed of a card swipe, and methods for constructing the device for the purpose of emulating a standard credit card. An apparatus is described to allow said device to emulate behavior of a credit card when used in electronic credit card readers.
Virtual Electric Inc.


07/30/15
20150213351 
new patent

Multi-functional credit card type portable electronic device


An embodiment includes a credit card device capable of generating a programmed magnetic field of alternating polarity based on a speed of a card swipe, and methods for constructing the device for the purpose of emulating a standard credit card. An apparatus is described to allow said device to emulate behavior of a credit card when used in electronic credit card readers.
Virtual Electric Inc.


07/30/15
20150213350 
new patent

Wearable device with time-varying magnetic field


An electronic transaction card communicates with an add-on slot of an intelligent electronic device. The add-on slot may be a memory card slot.
Tyfone, Inc.


07/30/15
20150212651 
new patent

Input device


An apparatus is provided that includes an electromagnetic sensing unit to sense an electromagnetic field. The apparatus also includes a shielding layer to shield at least a portion of the electromagnetic field, the shielding layer including a magnetic material..
Samsung Electronics Co., Ltd.


07/30/15
20150212605 
new patent

Active capacitive touch pen for providing an adjustable electromagnetic field


An active capacitive touch pen includes a casing unit, a circuit unit, a power supply unit, a pen core unit and an electromagnetic unit. The casing unit includes a pen-shaped casing structure.
Waltop International Corporation


07/30/15
20150212347 
new patent

Athermal faraday rotator mirror


Methods, systems, and apparatus for optical communications are provided. One of the apparatus includes a first faraday rotator having an applied magnetic field in a first direction; a second faraday rotator optically coupled to the first faraday rotator, the second faraday rotator having an applied magnetic field in a second direction in opposition to the first direction; and a mirror optically coupled to the second faraday rotator..
Oplink Communications, Inc.


07/30/15
20150212293 
new patent

Actuator for compact camera


An actuator includes: a main body having a working space therein; a coil mounted to the main body; a blade in which a lens is mounted and inserted into and disposed in the working space; a magnet mounted to the blade and disposed to face the coil to form a magnetic field around the coil, for generating driving power upwards and downwards through an electromagnetic interaction; a wire an end of which is mounted to the main body and an opposite end of which is mounted to the blade, for supporting the blade such that the blade is vertically moved; a hall sensor mounted to the main body, for measuring a deviation of a vertical position of the magnet with respect to the main body; and a controller for applying a current for correcting the position deviation of the magnet to the coil.. .
Hysonic. Co., Ltd.


07/30/15
20150212225 
new patent

Ultra-slim nuclear magnetic resonance tool for oil well logging


Nmr properties of earth formations are determined using a logging device movable in a borehole. The logging device includes a magnet assembly to generate a static magnetic field and an antenna expandable from the surface of the magnet assembly into the borehole toward the borehole wall to increase the magnetic dipole moment of the antenna.

07/30/15
20150212175 
new patent

Nmr systems for in vivo detection of analytes


This invention relates generally to nmr systems for in vivo detection of analytes. More particularly, in certain embodiments, the invention relates to systems in which superparamagnetic nanoparticles are exposed to a magnetic field and radio frequency (rf) excitation at or near the larmor frequency, such that the aggregation and/or disaggregation of the nanoparticles caused by the presence and/or concentration of a given analyte in a biological fluid is detected in vivo from a monitored rf echo response..
T2 Biosystems, Inc.


07/30/15
20150212173 
new patent

Means and operating an mri device within a rf-magnetic environment


An mri device and method that reduce radio-frequency (rf) interference and the effect of the mri's magnet, within an active rf-magnetic environment. The device includes a non-fringing magnetic field resonance mri device having rf shielding means.
Aspect Imaging Ltd.


07/30/15
20150212172 
new patent

Means for operating an mri device within a rf-magnetic environment


An mri device that reduces radio-frequency (rf) interference and the effect of the mri's magnet, within an active rf-magnetic environment. The device relies on a shield.
Aspect Imaging Ltd.


07/30/15
20150212168 
new patent

Method for detecting zero-field resonance


A zero-field paramagnetic resonance magnetometer (zf-prm) system and method for quickly and efficiently finding and optimizing the zero-field (zf) resonance is described. In this system and method a magnetic coil is used to apply a magnetic bias field in the direction of the pump beam to artificially broaden the width and maximize the strength of the zf resonance.
Quspin Inc.


07/30/15
20150212167 
new patent

Magnetic sensor


A magnetic sensor for discriminating between high and low coercivity magnets is disclosed. The sensor comprises a first magnetic field operable to orient high and low coercivity magnets in a first magnetic orientation.
Ncr Corporation


07/30/15
20150212164 
new patent

System and detecting ultra weak magnetic field


According to one exemplary embodiment, a system of detecting magnetic field comprises a magnetic impedance element surrounded by a detection coil, a stimulus unit generates pulse signal of programmable rise/fall time to drive the magnetic impedance element, and a signal detection module detects signal on the detection coil, wherein the signal detection module includes a buffer unit having adjustable bandwidth shapes output signal of the detection coil, a signal amplify unit includes a sample and hold circuit and a chopping programmable gain amplifier to amplify buffered signal from the buffer unit, a signal processing unit processes amplified signal from the signal amplify unit by applying selectable algorithm to output detection result, and a control unit connects the signal processing unit to generate control parameters of the stimulus unit, the buffer unit, the signal amplify unit, and the signal processing unit.. .
Prolific Technology Inc.


07/30/15
20150212140 
new patent

Neutral fault current detection device


A passive neutral fault current detection device fastened to cable television equipment detects the presence of a neutral fault within a subscriber's premises when the outer conductor of the coaxial cable is electrically bonded to the neutral conductor of the premises electrical service ground. In one example, the passive neutral fault current detection device employs a transformer circuit.
Ppc Broadband, Inc.


07/30/15
20150212139 
new patent

Sensitive and selective ground fault detection


Methods, systems, and devices for sensitive and selective identification of ground faults in a three phase power distribution system are described. The three phase conductors of the three phase power distribution system may be surrounded by a sensor comprising a magnetic ring with a thin opening, and a sensitive magnetometer that operates on magnetoresistance may be disposed in the opening of the ring.
Gf Technologies, Llc


07/30/15
20150212117 
new patent

Measuring device for a contactless current measurement


A current measuring device for at least one contactless current measurement on an electric conductor. At least one magnetic field-sensitive magnetic field sensor with a corresponding electronic analyzing device is arranged in a housing having a first housing part and a second housing part connected to the first housing part via at least one pivot joint, and cut-out sections through which the insertable conductor passes provided in the end walls.
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.


07/30/15
20150212004 
new patent

Electric field enhancement element, raman spectroscopic method, raman spectroscopic device, and electronic apparatus


An electric field enhancement element includes a metal fine structure layer configured including a metal fine structure smaller in size than a wavelength of incident light, a mirror layer adapted to reflect light having passed through the metal fine structure layer, a magnetooptic material layer disposed between the metal fine structure layer and the mirror layer, and adapted to cause at least one of a faraday effect and a cotton-mouton effect, and a magnetic field generation device adapted to apply a magnetic field to the magnetooptic material layer.. .
Seiko Epson Corporation


07/30/15
20150211891 
new patent

Device for measuring magnetic fields with laplace force


A device for measuring magnetic fields with laplace force, comprising a substrate extending in a substrate plane, a first rigid frame in a first plane movable relative to the substrate about a first rotation axis parallel to the substrate plane with a central through-recess. There is a fixed electrical conductor wound an axis perpendicular to the plane of the first frame.
Commissariat à I'énergie Atomique Et Aux énergies Alternatives


07/30/15
20150211889 
new patent

Magnetic field sensor and operation thereof with a determination of offset values selectable during operation of the sensor


At least one embodiment relates to magnetic field sensors being operable at different calibration modes, wherein the magnetic sensor is capable of switching between the different calibration modes during normal operation of the sensor. The switching may be possible in response to different motion types detected within the sensor.
Infineon Technologies Ag


07/30/15
20150211888 
new patent

Extended stroke position sensor


A position sensing system including a waveguide positioned adjacent to a quantity of soft or semi-soft magnetic material is described. A magnet, movable relative to the waveguide and magnetic material, closely positioned to the magnetic material and configured to generate a local magnetic field sufficient to locally saturate the magnetic material.
Littelfuse, Inc.


07/30/15
20150211596 
new patent

Method for producing a subassembly and subassembly


A subassembly and a method of producing a subassembly. The subassembly has a dividing body or separating body and at least one flow channel formed on the dividing body and extending along it with at least one flow path to influence a flow of a magneto-rheological fluid along the flow channel of the dividing body.
Inventus Engineering Gmbh


07/30/15
20150211587 
new patent

Magnetic system for controlling an operating mode of an overrunning coupling assembly and overrunning coupling and magnetic control assembly including the system


A magnetic system for controlling the operating mode of an overrunning coupling assembly and an overrunning coupling and magnetic control assembly including the system are provided. The system includes a control member mounted for controlled shifting movement and a translator structure supported for travelling along a path between first and second end positions.
Means Industries, Inc.


07/30/15
20150211270 
new patent

Anti-remanent device for an electromagnetic door lock


Device forming an electromagnetic lock comprising an electromagnetic suction pad (3) comprising an electromagnet (4), a counter plate (1) and an electric circuit comprising a current source designed to supply at least one coil of the electromagnet of the electromagnetic suction pad with an electric magnetisation current to create an electromagnetic field and an associated electromagnetic force pinning the counter plate and the electromagnetic suction pad against one another to close the lock; switching means designed to cut off the supply of current; and anti-remanent means for dealing with the remanent electromagnetic force which remains when the switching means have disconnected the supply of current to the electromagnetic coil.. .
Cdvi Digit


07/30/15
20150211136 
new patent

Electric current sensing and management system for electrolytic plants


The present invention relates to an electric current management (ecm) system and method comprising at least one electrolytic cell having at least two electrodes in contact with electrolyte media; a plurality of sensor means for measuring the current passing through one or more electrodes, said sensor means being located inside at least one ecm bar installed in one or more operating electrolytic cells; a support means for supporting at least one ecm bar in each cell; wherein the support means is adapted to avoid disruption to normal electrode movements and damage to the ecm bar. The present invention introduces improvements for minimizing the effects that several types of variables have on current measurement, such as magnetic field interference, cell geometry and contact configuration, in order to provide a reliable approximation of the current passing through each electrode.
Hatch Associates Pty Limited


07/30/15
20150210170 
new patent

Electrical powered vehicle and power feeding device for vehicle


A power receiving device mounted on an electrical powered vehicle includes a receiving coil and a reflective wall. The receiving coil is configured to be magnetically coupled with a transmitting coil external to the vehicle by a magnetic field, and to receive electric power from the transmitting coil.
Toyota Jidosha Kabushiki Kaisha


07/30/15
20150209596 
new patent

Apparatus for performing deep brain stimulation with an electric field


One embodiment of the invention provides a method and apparatus for performing deep brain stimulation with an electromagnetic field. The includes an electrode assembly having multiple electrodes and a phased array system for driving the electrodes to generate the electromagnetic field.
Ucl Business Plc


07/30/15
20150209590 
new patent

Implantable medical device and system


The implantable medical device is for implantation into a patient's body and is wirelessly powered by an external control device. The implantable medical device is induced by an ac electromagnetic field of the external control device through an inductive coil.
Gimer Medical Co., Ltd.


07/23/15
20150208180 

Dual antenna charging one or more hearing aids


To make the charging of hearing aids more convenient, a charging device for wirelessly charging a hearing aid is provided. The charging device has a cylindrical container, an integrated antenna for generating an alternating magnetic field in the container in the event of electrical excitation, and a charging circuit which can be used to electrically excite the antenna.
Siemens Aktiengesellschaft


07/23/15
20150207337 

Split winding repeater


A circuit for transferring wireless electrical energy through a lossy material is described. The circuit comprises a first inductive winding portion connected electrically in series to a second inductive winding portion and at least one capacitor.
Electrochem Solutions, Inc.


07/23/15
20150207335 

Polyphase inductive power transfer system with individual control of phases


The present invention provides a polyphase inductive power transfer (ipt) system comprising a primary power supply comprising a plurality of primary conductors, the primary conductors being individually selectively operable to provide or receive a magnetic field for inductive power transfer; and at least one pick-up comprising one or more pick-up conductors, the one or more pick-up conductors each being individually selectively operable to magnetically couple with a primary conductor to control power transfer between the primary power supply and a load coupled or coupleable with the respective pick-up. The polyphase primary power supply may be used to power a plurality of single-phase pick-ups, one or more polyphase pick-ups, or a combination thereof.
Duleepa Jayanath Thrimawithana


07/23/15
20150207232 

High efficiency polarized ulf/vlf/rf transciever antenna


A transmission antenna includes a closed-loop core having at least two electrically-conductive windings arranged on the closed-loop core. The windings are each electrically-actuated to generate a magnetic flux along the closed-loop core in opposing directions.
Raytheon Company


07/23/15
20150206656 

Method for producing rare-earth sintered magnet, and molding machine therefor


The present invention provides a method for producing a rare earth sintered magnet and a molding device therefor that can stably mold molded bodies with less variation in unit weight. The method includes: 1) preparing a slurry including an alloy powder and a dispersion medium, the alloy powder containing a rare earth element; 2) disposing an upper punch and a lower punch in respective through holes provided in a die, thereby preparing a plurality of cavities; 3) applying a magnetic field in each of the cavities by an electromagnet in a direction substantially parallel to a direction in which at least one of the upper punch and the lower punch is movable, and then supplying the slurry into the plurality of cavities; 4) producing a molded body of the alloy powder in each of the cavities by press molding in the magnetic field; and 5) sintering the molded body..
Hitachi Metals, Ltd.


07/23/15
20150206655 

Method for producing rare earth sintered magnet


The present invention provides a method for producing a long and large-sized rare earth sintered magnet having a large size in a magnetic field application direction in which a single magnet body in each portion has uniform and high magnetic characteristics. Disclosed is a method for producing a rare earth sintered magnet, including particular steps of: 1) preparing a slurry; 2) preparing a cavity that is enclosed with a mold, an upper punch and a lower punch; 3) applying a magnetic field of 1.5 t or more in the cavity, and supplying the slurry at a flow rate of 20 to 600 cm3/second, to fill the cavity with the slurry; 4) producing a molded body of the alloy powder by press molding in the magnetic field; and 5) sintering the molded body..
Hitachi Metals, Ltd.


07/23/15
20150206641 

Apparatus for elevation in a magnetic field


An electromagnet within an enclosure. The enclosure is capable of elevating the electromagnet to various heights and additionally horizontally repelling the elevated electromagnet from one elevated position to the next.

07/23/15
20150206638 

Magnetic field generator for a magnetocaloric thermal device, and magnetocaloric thermal device equipped with such a generator


A magnetic field generator (g1) for a magnetocaloric thermal device which comprises first (sm11) and second (sm21) identical magnetizing structures mounted head-to-tail, on either side of a central plane (p) and defining two air gaps (e1, e2). Each magnetizing structure (smm11, sm12) comprises first (am1) and second (am2) magnetizing assemblies, whose induction vectors are oriented in opposite directions, and mounted on a support (sup1).
Cooltech Applications S.a.s.


07/23/15
20150206635 

Magnetic field generating device and superconducting rotary machine comprising magnetic field generating device


A magnetic field generating device includes a superconducting coil formed by winding a superconductive wire material; an unseparated conductor plate which includes an electric conductor and is placed such that the conductor plate is insulated from the superconducting coil and is adjacent to the superconducting coil in a winding axis direction of the superconducting coil, and one of main surfaces of the conductor plate faces the superconducting coil; and a protection circuit which is connected in parallel with the superconducting coil and attenuates a current flowing through the superconducting coil.. .
Kawasaki Jukogyo Kabushiki Kaisha


07/23/15
20150206634 

Pseudo-8-shaped inductor


Aspects of the disclosure provide a device that includes a first inductor. The first inductor includes a first coil portion having more than one turn that defines a first enclosed area and a second coil portion having more than one turn that defines a second enclosed area.
Marvell World Trade Ltd


07/23/15
20150206631 

Anisotropic bonded magnets


The present invention provides an anisotropic bonded magnet and a method for fabricating the anisotropic bonded magnet by producing anisotropic chips by ball milling a rare-earth polycrystalline material with a surfactant in presence of a first magnetic field, mixing the anisotropic chips with one or more binding agents, and forming the anisotropic bonded magnet by compacting the mixture of anisotropic chips and binding agents in presence of a second magnetic field.. .
Board Of Regents, The University Of Texas System


07/23/15
20150206429 

Methods and apparatus to activate traffic signals


Methods and apparatus are disclosed to activate a traffic control system by enhancing a presence of a vehicle. An example traffic control activator includes a housing formed from an electrically insulating material.
Bytemind, Llc


07/23/15
20150205416 

Dynamic tactile interface


A dynamic tactile interface including a tactile layer including an attachment surface, a peripheral region, and a deformable region adjacent the peripheral region, the deformable region operable between a retracted setting and an expanded setting tactilely distinguishable from the peripheral region; a substrate coupled to the attachment surface at the peripheral region and defining a fluid conduit and a fluid channel fluidly coupled to the fluid conduit, the fluid conduit adjacent the deformable region; a first electromagnetic element coupled to the substrate proximal the deformable region and outputting a first electromagnetic field; and a second electromagnetic element coupled to the tactile layer at the deformable region and outputting a second electromagnetic field, the second electromagnetic element attracted to the first electromagnetic element in a first setting and repelling the first electromagnetic element in a second setting.. .
Tactus Technology, Inc.


07/23/15
20150205415 

Touch sensing apparatus and method


A touch sensing apparatus includes a plurality of magnetic sensor patterns coupled to a first substrate, and a plurality of conductive patterns corresponding to the magnetic sensor patterns. Each of the magnetic sensor patterns sense a change in a magnetic field caused by a touch input..
Samsung Display Co., Ltd.


07/23/15
20150205210 

Support for a movable element and lithography apparatus


A support for a movable element includes a stator element, a gravity compensator field inducing element mounted on the stator element, the gravity compensator field inducing element configured to apply a translational force to the movable element by controlling a magnetic field in a gap between the stator element and the movable element, and a plurality of torque compensator field inducing elements mounted on the stator element, the torque compensator field inducing elements configured to apply a torque to the movable element by controlling a magnetic field in the gap between the stator element and the movable element, the torque being about a first axis substantially perpendicular to the direction of the translational force applied by the gravity compensator field inducing element.. .
Asml Netherlands B.v.


07/23/15
20150204995 

Inductive clamp devices, systems, and methods


Inductive clamps for use in utility locate operations are disclosed. In one embodiment, an inductive clamp includes a head assembly including a base element and a plurality of arm elements coupled to the base element, a handle assembly including a utility selector element coupled to the head assembly, and a magnetic core subassembly for generating a magnetic field for coupling to a targeted utility, the magnetic core subassembly including a plurality of ferrite elements and wire winding wrapped about one or more of the ferrite elements..
Seescan, Inc.


07/23/15
20150204994 

Sensor devices and methods for calculating an orientation while accounting for magnetic interference


Sensor devices and methods for calculating an orientation of a sensor device including a magnetometer are disclosed. In one embodiment, a method of computing an orientation of a sensor device includes receiving a current magnetic field reading including at least a magnetic field magnitude, calculating a difference between the current magnetic field magnitude and a reference magnetic field magnitude, and comparing the difference between the current magnetic field magnitude and the reference magnetic field magnitude with a threshold.
Yei Corporation


07/23/15
20150204951 

Apparatus and reconditioning z-axis sensor flux guides


A sensor package includes a magnetic field sensor, where the magnetic field sensor includes an in-plane sense element and a flux guide configured to direct a magnetic field oriented perpendicular to a plane of the magnetic field sensor into the plane. A current carrying structure is positioned proximate to the flux guide and circuitry is coupled to the current carrying structure.
Freescale Semiconductor, Inc.


07/23/15
20150204950 

3-d magnetic sensor


One embodiment of the present invention relates to a magnetic field sensor having a squat soft-magnetic body disposed on a surface of a substrate including a magnetic sensor array having a plurality of spatially diverse magnetic sensor elements disposed in a predetermined configuration. In the presence of an external magnetic field the squat soft-magnetic body becomes magnetized to generate a reactionary magnetic field.
Infineon Technologies Ag


07/23/15
20150204949 

Methods and wireless power field testing


This disclosure provides methods and apparatus for wireless power field testing. An apparatus for sensing magnetic field strength of a wireless charging pad is provided.
Qualcomm Incorporated


07/23/15
20150204919 

Current detection structure


A current detection structure includes a plurality of busbars arranged in parallel, and a plurality of magnetic detection elements each provided for corresponding one of the plurality of busbars so as to measure a strength of a magnetic field generated by a current flowing through the corresponding busbar. The plurality of magnetic detection elements are mounted on a single circuit board..
Hitachi Metals, Ltd.


07/23/15
20150204915 

Current detection structure


A current detection structure includes a busbar to flow a current therethrough, a magnetic detection element to detect a strength of a magnetic field generated by the current flowing through the busbar, and a current detecting portion to determine the current flowing through the busbar based on the magnetic field detected by the magnetic detection element. A through-hole is formed penetrating the busbar such that a current path is formed on both sides of the through-hole.
Hitachi Metals, Ltd.


07/23/15
20150204880 

Urinary crystal detection system and method thereof


The present invention provides an urinary crystal detection system, which comprises a crystal collecting unit and a crystal detecting unit, wherein the crystal collecting unit comprises a magnetic separating device. Further, the present invention provides an urinary crystal detection method, which uses magnetic particles to adsorb onto urinary crystals, then, provides a magnetic field to separate the urinary crystals and detect their constituent by the raman signals of the urinary crystal..
National Yang Ming University


07/23/15
20150204737 

Magnetoelastic sensor


A magnetoelastic sensor. The magnetoelastic sensor uses strain-induced magnetic anisotropy to measure the tension or compression present in a plate.
Methode Electronics, Inc.


07/23/15
20150204709 

Multi-layer wireless sensor construct for use at electrically-conductive material surfaces


A multi-layer wireless sensor construct is provided. The construct includes a first dielectric layer adapted to be attached to a portion of a first surface of an electrically-conductive material.
U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration


07/23/15
20150204703 

Magnetic-inductive flowmeter


A magnetic-inductive flowmeter has a plurality of functional units and a housing which is common to all of the functional units. Each functional unit has a measuring tube for an electrically conductive medium to flow through, a magnetic field-generating device having at least one field coil for generating a magnetic field which runs at least also perpendicular to the longitudinal axis of the measuring tube, and two measuring electrodes.
Krohne Ag


07/23/15
20150204702 

Magnetic-inductive flow meter


A magnetic-inductive flowmeter, having a plurality of functional units and a housing common to all the functional units, wherein each functional unit has a measuring tube, a magnetic field generating device, and two measuring electrodes, and wherein a virtual connecting line of the two measuring electrodes extends at least substantially at right angles to the direction of the magnetic field penetrating the measuring tube at right angles to the longitudinal axis of the measuring tube. In the housing, there is a common medium feed connection for the measuring tubes of all the functional units, a common power supply for the magnetic field generating device of all the functional units, and a common evaluation unit for the measuring electrodes of all the functional units.
Krohne Ag


07/23/15
20150204696 

Rotating field sensor and angle determination method using the same


A rotating field sensor includes four detection circuits each of which generates an output signal responsive to the direction of a rotating magnetic field, and an angle calculation unit configured to calculate four angle values in correspondence to four groups each consisting of two detection circuits selected from the four detection circuits. The angle calculation unit calculates each of the four angle values on the basis of two output signals of the two detection circuits constituting a corresponding one of the four groups..
Tdk Corporation


07/23/15
20150204692 

Direct read metering device and direct read water meter


The present invention discloses a direct read metering device, comprising a digital counting wheel connected with a rotary shaft, a micro-controller—a ring magnet coaxially installed on the digital counting wheel, and a tunneling magnetoresistive angular displacement sensor installed radially displaced from the central axis of the annular magnet; the tunneling magneto-resistive angular displacement sensor and the ring magnet are separated by a certain distance in the direction parallel to the central axis of the ring magnet; the micro-controller is connected to the tunneling magnetoresistive angular displacement sensor and used to convert the output of the tunneling magnetoresistive angular displacement sensor into a readable number. The device uses the tunneling magneto-resistive angular displacement sensor to sense the angle of a rotary magnetic field generated by the rotation of the ring magnet which is installed on the digital counting wheel in order to permit the code of the digital counting wheel to be determined when the meter is read, thus realizing a direct read metering function.
Jiangsu Multidimensional Technology Co., Ltd.


07/23/15
20150204649 

Indoor location using magnetic fields


A location system that employs multiple magnetic transmitters that provide magnetic fields modulated with respectively different identifying signals. A magnetic receiver extracts the identifying signal from the modulated magnetic field to determine its location.
Cambridge Silicon Radio Limited


07/23/15
20150204648 

Remote field testing using a permeable core


Systems, apparatuses, and methods for measuring material thickness of one or more casings using a permeable core are presented. A magnetic field is generated using a permeable core and transmitted through one or more casings.
Schlumberger Technology Corporation


07/23/15
20150204498 

Systems, components, and methods for electronic candles with moving flames


An electronic candle (10) which simulates a flickering flame is provided. The candle (10) includes a hollow shell (12), a light-emitting element (18) such as an led and a cap member (20) having the contour of a burning flame covering the light-emitting element (18).

07/23/15
20150204393 

Dual winding electric actuator for hybrid system


A hybrid vehicle includes a dual winding electrical actuator for actuating an actuated mechanism. The actuator includes a low voltage winding coupled to a low voltage electrical system, and a high voltage winding coupled to a high voltage electrical system.
Gm Global Technology Operations Llc


07/23/15
20150204391 

Electronic vehicular transmission including a sensor and coupling and control assembly for use therein


An electronic vehicular transmission including a sensor for providing an electrical signal for electronic transmission control is provided. The transmission includes a transmission case and a controllable coupling assembly including a coupling member supported for rotation within the case about a rotational axis.
Means Industries, Inc.


07/23/15
20150204289 

Fuel injection valve for an internal combustion engine


A fuel injection valve for an internal combustion engine includes a movable armature including first and second armature parts, and a magnetic coil that generates a magnetic field for effecting an axial travel of the armature to displace a valve needle away from a closing position. During a first period of axial travel, the second armature part is axially displaced while the valve needle remains closed.
Continental Automotive Gmbh


07/23/15
20150204186 

Frequency location apparatus, methods, and systems


In some embodiments, an ex-situ apparatus and a system, as well as a method and an article, operate to transmit wideband modulated pulses to generate an externally-projected oscillating magnetic field in a material body, to record one or more raw echo free induction decay (refid) signals during echo acquisition periods following some of the second modulated pulses, and to transform the acquired refid signals via frequency decomposition to determine a preferred nuclear magnetic resonance frequency associated with a maximum amplitude of decomposed frequency components. Additional apparatus, systems, and methods are described..
Halliburton Energy Services, Inc.


07/23/15
20150204185 

Downhole method and assembly for obtaining real-time data


A method for obtaining real-time data relating to a well construction activity includes locating wellbore-lining tubing comprising at least one non-magnetic tubing section in a wellbore of a well. At least one downhole parameter is measured at a location external of the wellbore-lining tubing using at least one sensor associated with the non-magnetic tubing section.
Halliburton Manufacturing And Services Limited


07/23/15
20150203806 

Systems for disrupting biological samples and associated devices and methods


The present technology relates generally to systems for disrupting biological samples and associated devices and methods. In some embodiments, system includes a vessel configured to receive the biological sample, a permanent magnet configured to be positioned within the vessel, an electromagnet configured to be positioned proximate the vessel, and a current source operably coupled to the electromagnet and configured to transmit an alternating current.
Uw Center For Commercialization


07/23/15
20150203027 

System for detecting a readiness of a closure element of a motor vehicle to lock


A system (1) for detecting a readiness of a closure element (10) of a motor vehicle to lock has a first sensor (12) for detecting a position signal of the closure element (10) and a second magnetic sensor (14) for detecting a magnetic field signal (18). The first sensors (12, 14) are connected by a data link to an electronic unit (20), and the magnetic field signal (18) and the position signal are passed by a data link to the electronic unit (20).
Dr. Ing. H.c. F. Porsche Aktiengesellschaft


07/23/15
20150202454 

Methods and devices for performing electrical stimulation to treat various conditions


In certain variations, systems and/or methods for electromagnetic induction therapy are provided. One or more ergonomic or body contoured applicators may be included.
Emkinetics, Inc.


07/23/15
20150202082 

Ferromagnetic valves


The disclosure includes devices and methods for controlling fluid flow. The devices include a tube configured to receive fluid from a fluid source; and a valve for controlling fluid flow through the tube, the valve responsive to fluid pressure in the tube.
Massachusetts Eye & Ear Infirmary


07/23/15
20150202030 

Force sensor providing continuous feedback for a resonant drive toothbrush using a hall sensor


The power toothbrush includes a handle portion which includes a power drive assembly and a brushhead assembly (32) which includes a brushhead arm (36) and a brush element (38) at a distal end thereof. A v-spring assembly (14) converts the action of the power drive assembly to drive the brushhead assembly in a back-and-forth action.
Koninklijke Philips N.v.


07/23/15
20150201864 

Signal transmission using catheter braid wires


A probe includes an insertion tube, a magnetic field sensor, a dummy load mounted adjacent to the magnetic field sensor, and a braid. The braid includes multiple braid wires that traverse a length of the insertion tube.
Biosense Webster (israel) Ltd.


07/16/15
20150201468 

Heat treatment apparatus


A heat treatment apparatus configured to perform a heat treatment on a plurality of substrates, including: a processing vessel configured to accommodate the plurality of substrates on which the heat treatment is performed; an electromagnetic induction source configured to generate an oscillating magnetic field having a high frequency within the processing vessel; and a substrate holding element having a plurality of heating elements arranged in a vertical direction and spacers interposed between the adjacent heating elements, the heating element being made of a conductive material and allowing an induced current caused by the oscillating magnetic field to flow therein to generate heat, the substrate holding element supporting the substrates in a state where the substrates are mounted on the heating elements.. .
Tokyo Electron Limited


07/16/15
20150201050 

Mobile phone protective shell with hidden magnets


A mobile phone protective shell with hidden magnets comprises a casing having a platform and an engaging portion at a periphery of the platform positioned around the mobile phone to form a back protective device for engaging with the mobile phone; wherein the platform has an inner side and an outer side to form a full outline of a protective shell, and two magnets in a thickness less than 1.8 mm and a diameter of 25-30 mm are arranged between the inner side and outer side to be in an upper and lower symmetry hidden in the platform, and the magnets are powerful nd—fe—b magnets having magnetic field strength more than 6000 gauss; whereby when the casing is subjected to the weight of the mobile phone, the casing can be attracted and fixed upright to the object with permeability.. .
Samya Technology Co., Ltd.


07/16/15
20150200654 

Power supply impedance optimizing apparatus


In a power supply impedance optimizing apparatus, first and second noise detecting circuits detect noises of first and second power supplies by magnetic field coupling between bonding wires of the first and second power supplies and bonding wires for first and second noise detection. A noise determining circuit determines a noise level using a frequency component in each of one or more frequency ranges as extracted from each of the noises of the first and second power supplies.
Megachips Corporation


07/16/15
20150200548 

Efficiency non-self tuning wireless power transfer systems


A primary resonant network for a wireless power transfer has a primary winding capable of being energised to provide a magnetic field, and a reactive component selected to constrain the reactive loading on a power supply which energises the primary resonant network. The reactive component is selected dependent on a given variation in inductance or capacitance of the primary resonant network and a given variation in inductance or capacitance of a secondary resonant network coupled to the primary resonant network..
Auckland Uniservices Limited


07/16/15
20150200533 

Self-test gfci device with dual solenoid coil electric control


A circuit interrupting device having a dual-coil solenoid for delivering an increased magnetic field to the solenoid plunger when a fault is detected and it is desired to place the device into a tripped condition. Independent switching devices control the flow of current through the respective coils of the solenoid and a third switching device controls the operation of the two coil driving switch devices.
Hubbell Incorporated


07/16/15
20150200173 

Semiconductor structure and manufacturing method thereof


A semiconductor structure includes a conductive bump for disposing over a substrate and an elongated ferromagnetic member surrounded by the conductive bump, including a first end and a second end, and extending from the first end to the second end, the elongated ferromagnetic member is disposed substantially orthogonal to the substrate to dispose the conductive bump at a predetermined orientation and at a predetermined position of the substrate. Further, a method of manufacturing a semiconductor structure includes providing a substrate, forming a conductive trace within the substrate, applying an electric current passing through the conductive trace to generate an electromagnetic field and disposing a conductive bump including an elongated ferromagnetic member in a predetermined orientation and at a predetermined position above the substrate in response to the electromagnetic field generated by the conductive trace..
Taiwan Semiconductor Manufacturing Company Ltd.


07/16/15
20150200078 

Plasma etching apparatus


A method for etching a substrate with plasma, including: holding a substrate on a substrate stage; forming an annular zero magnetic field region lying along a circumferential direction of an inner side of a middle-stage coil of three stages of concentrically-arranged magnetic field coils; supplying-etching gas to an interior of a chamber main body; supplying high frequency power to a high-frequency antenna and an electrode to form an induced electric field in the zero magnetic field region to generate plasma; and etching the substrate with the plasma. Forming an annular zero magnetic field region includes forming the region in a state in which the chamber main body is internally inserted from an inner side of a lowermost stage coil of the magnetic field coils to the inner side of the middle-stage coil so that the zero magnetic field region is formed near an inner surface of the top part..
Ulvac, Inc.


07/16/15
20150200053 

Method of producing a cylindrical magnetic circuit


A method of making a cylindrical magnetic circuit which is able to prevent deformation of a cylindrical yoke for holding two or more magnets without increasing the thickness of the yoke more than required, a method of producing a cylindrical magnetic circuit (1) for generating a magnetic field in a space inside of plural annularly placed magnets (2), including: a cylindrical yoke (3) which is placed radially outside the magnets (2) and is fixed to the magnets directly or via an intermediate member or substance; and at least one nonmagnetic member (4) existing between pairs of circumferentially adjacent magnets.. .
Shin-etsu Chemical Co., Ltd.


07/16/15
20150200046 

Apparatuses and methods for cancellation of inhomogeneous magnetic fields induced by non-biological materials within a patient's mouth during magnetic resonance imaging


This disclosure includes magnetic field correction devices and methods for using the same. Some magnetic field correction devices include an arch-shaped body configured to be worn inside or outside of a user's mouth such that the arch-shaped body follows the contour of the user's teeth or face, where the arch-shaped body has one or more sidewalls and where the sidewalls are configured to receive a plurality of ferromagnetic or magnetic members.
Board Of Regents, The University Of Texas System


07/16/15
20150199949 

Method and device using low inductance coil in an electrical pickup


A pickup device for an electric instrument may include at least one permanent magnet to detect vibrations from the electric instrument's strings. The pickup device may further include at least one coil within a magnetic field of the permanent magnet.
Fishman Transducers, Inc.


07/16/15
20150199889 

Detection system


A detection system for detecting the presence and direction of a subject moving through a doorway is disclosed. The system comprises magnets disposed on the doorway, a communication device, typically a smartphone and a server.
Tata Consultancy Services Ltd.


07/16/15
20150198680 

Biasing circuit for a magnetic field sensor, and corresponding biasing method


Described herein is a biasing circuit for a magnetic-field sensor; the magnetic-field sensor is provided with a first detection structure, which generates a first electrical detection quantity as a function of a first component of an external magnetic field, and a second detection structure, which generates a second electrical detection quantity as a function of a second component of an external magnetic field. The biasing circuit electrically supplies the first detection structure and the second detection structure in respective biasing time intervals, at least partially distinct from one another, which preferably do not temporally overlap one other..
Stmicroelectronics S.r.l.


07/16/15
20150198624 

Rotation speed detection device


The purpose of the present invention is to provide a rotation speed detection device which achieves improved detection accuracy regardless of a compressor and the operating state of the compressor, and enables the prevention of the breakage of a detection unit. A rotation speed detection device for a compressor, wherein a detection unit for detecting full blades and splitter blades that are blades approaching a compressor casing of the compressor in response to a change in the inductance of a magnetic field is provided.
Toyota Jidosha Kabushiki Kaisha


07/16/15
20150198593 

Method and system of microfluidic immunoassay using magnetic beads


A microfluidic western blot method and system including a microfluidic western blot method for immunoassay of proteins, the method including introducing a sample including the proteins onto a chip; electrophoretically separating the proteins; binding the separated proteins to beads to form protein-attached beads, the beads being magnetic; flowing the protein-attached beads into a magnetic holding region; applying a magnetic field to the magnetic holding region to fix the protein-attached beads in place within the magnetic holding region; binding primary antibodies to target proteins on the protein-attached beads; binding secondary antibodies to the bound primary antibodies; and detecting the bound secondary antibodies.. .
Caliper Life Sciences, Inc.


07/16/15
20150198587 

Detecting cells in a cell suspension


The embodiments relate to an arrangement for quantifying cells. The arrangement includes a magnetic field-sensitive sensor having a first and second pair of sensor elements.
Siemens Aktiengesellschaft


07/16/15
20150198561 

Magnetic sensor device


Provided is a magnetic sensor device that is capable of relaxing a sensitivity change due to the position of a sample to be inspected, even with a configuration wherein the sample to be inspected is disposed on the side of an exciting coil and a detecting coil. Specifically, in a magnetic sensor device, an exciting coil and a detecting coil are disposed with respect to a sample disposing space, and the detecting coil detects an alternating current magnetic field generated by the exciting coil.
Nidec Sankyo Corporation


07/16/15
20150198473 

Method of operating a coriolis mass flowmeter and coil for use in said method


A method of operating a coriolis mass flowmeter in which common or even great forces for oscillation excitation can be guaranteed, and at the same time, with which the risk of flashover is reduced in explosion-proof surroundings is implemented using an actuator assembly (4) that has at least a first conductor (11) with windings (12) and at least a second conductor (13) with windings (14), the windings of the conductors being arranged parallel to one another and insulated from one another at least in the area of their windings (12, 14), in which the first conductor and the second conductor are supplied with current that is at least temporarily in the same direction in the operating state, and a common magnetic field is created in which partial magnetic fields of the conductors are structurally superimposed.. .
Krohne Ag


07/16/15
20150198464 

Magnetic field generator and sensor device for use in determining an angle of rotation


A sensor device includes: at least one magnetic field generator having an end face line, the at least one magnetic field generator being configured to determine an angle of rotation by use of at least one sensor unit; and the at least one sensor unit configured to detect a magnetic flux density representative of the angle of rotation about an axis of rotation, which axis of rotation lies in a magnet plane of the at least one magnetic field generator and runs perpendicularly to the end face line. The magnetic field generator is formed as a dipole magnet with a north pole and a south pole.
Continental Automotive Gmbh


07/16/15
20150198430 

Magnetism detection element and rotation detector


There is provided a magnetism detection element that has a compact configuration and is excellent in detection sensitivity and detection accuracy of a magnetic field. The magnetism detection element is configured to detect an external magnetic field in +x direction.
Tdk Corporation


07/16/15
20150198146 

Vertical axis wind turbine


A turbine assembly is provided. The turbine assembly includes a plurality of sails and a generator assembly configured to convert rotation thereabout to power.
Windlabs, Inc.




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Magnetic Field topics: Magnetic Field, Transverse, Magnetic Separator, Homogeneous, Photovoltaic Cell, Semiconductor, Compliance, Anisotropy, Crystallin, Electrical Machine, Wireless Power, Transmitter, Radial Direction, Eddy Currents, Calibration

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