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Magnetic Field patents



      
           
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


Capsule endoscope magnetic control system

Capsule endoscope magnetic control system

Arrangement and method for providing a vehicle with electric energy by magnetic induction

Bombardier Transportation

Arrangement and method for providing a vehicle with electric energy by magnetic induction

Arrangement and method for providing a vehicle with electric energy by magnetic induction

Toshiba

Date/App# patent app List of recent Magnetic Field-related patents
03/26/15
20150088129
 Wireless energy transfer for medical applications patent thumbnailnew patent Wireless energy transfer for medical applications
Wireless energy transfer devices and systems for medical environments include, in at least some implementations, a wirelessly powered surgical device including: a device resonator configured to generate an oscillating voltage from a captured oscillating magnetic field; and a surgical tool electrically coupled to the device resonator, the surgical tool having a functional output that is capable of being directly powered by the oscillating voltage, and the surgical tool having a rechargeable battery backup; wherein the oscillating voltage is at least 30 volts and has a frequency of at least 1 khz. Wireless energy transfer is utilized to eliminate cords and power cables from operating instruments and electronic equipment, facilitating mobility..
Witricity Corporation
03/26/15
20150087998
 Cooling of a medical instrument patent thumbnailnew patent Cooling of a medical instrument
A medical instrument includes a hermetically tight sheath, a heat source, a surface area thermally coupled to the heat source, a rotor arranged outside the hermetically tight sheath and serving to generate a flow of fluid at the surface, a magnet at the rotor, and means for generating a variable magnetic field in order to move the rotor. The means for generating a variable magnetic field is arranged inside the hermetically tight sheath..
03/26/15
20150087898
 Capsule endoscope magnetic control system patent thumbnailnew patent Capsule endoscope magnetic control system
A capsule endoscope magnetic control system includes a control handle assembly, and a capsule endoscope having a controlled unit, a wireless power receiving unit, an image capturing unit, a processing unit, and a wireless communication unit. The control handle assembly includes a magnetic control unit for generating a magnetic field and a wireless power transmission unit for generating electromagnetic waves.
03/26/15
20150087896
 Implantable urinary tract valve patent thumbnailnew patent Implantable urinary tract valve
A urinary tract valve includes an expandable valve element positionable within a bladder of a patient via a urinary tract of the patient in a collapsed configuration. The expandable valve element is configured to transition from the collapsed configuration to an expanded configuration after being positioned within the bladder of the patient.
Medtronic, Inc.
03/26/15
20150086286
 Electric power tool patent thumbnailnew patent Electric power tool
Power supplied by a power tool is used to induce a magnetic field in a tool piece attached to the power tool. The magnetic field is produced by an electromagnet coil and can be used to hold items such as screws in position on a tool piece such as a driver bit..
03/26/15
20150086065
 Loudspeakers with double dampers patent thumbnailnew patent Loudspeakers with double dampers
A loudspeaker with double dampers include a magnetic circuit forming a magnetic field, a voice coil passing through the magnetic field of the magnetic circuit, a vibration module connected with the voice coil, a frame connected with the vibration module, and a supporting module having a pillar and first and second dampers. The pillar of the supporting module is arranged inside the voice coil and mounted on the magnetic circuit.
03/26/15
20150085569
 Electric field ferromagnetic resonance excitation method and magnetic function element employing same patent thumbnailnew patent Electric field ferromagnetic resonance excitation method and magnetic function element employing same
To realize an electric field-driven type ferromagnetic resonance excitation method of low power consumption using an electric field as drive power, and provide a spin wave signal generation element and a spin current signal generation element using the method, a logic element using the elements, and a magnetic function element such as a high-frequency detection element and a magnetic recording device using the method. A magnetic field having a specific magnetic field application angle and magnetic field strength is applied to a laminate structure in which an ultrathin ferromagnetic layer sufficiently thin so that an electric field shield effect by conduction electrons does not occur and a magnetic anisotropy control layer are directly stacked on each other and an insulation barrier layer and an electrode layer are arranged in order on an ultrathin ferromagnetic layer side.
National Institute Of Advanced Industrial Science And Technology
03/26/15
20150085419
 Magnetic element control device, magnetic element control method and magnetic detection device patent thumbnailnew patent Magnetic element control device, magnetic element control method and magnetic detection device
A magnetic element control device of the present invention includes an excitation signal generation unit that generates an alternating signal, an excitation signal adjustment unit that generates an alternating voltage signal from the alternating signal, and generates an excitation signal which is applied to an exciting coil on the basis of the alternating voltage signal, a detection signal comparison unit that detects a detection signal of a positive voltage or a negative voltage which is generated by an induced electromotive force when a current direction of the excitation signal switches, and a feedback signal adjustment unit that generates a feedback signal for applying a magnetic field, cancelling a stationary magnetic field which is applied to a magnetic element from voltage information, to a feedback coil.. .
Fujikura Ltd.
03/26/15
20150085401
 Recording medium having recording assist patent thumbnailnew patent Recording medium having recording assist
An hdd includes a magnetic head, and a magnetic recording medium. The recording medium includes a recording magnetic layer, and a recording assist magnetic layer, the recording assist magnetic layer generates a high-frequency magnetic field by means of a recording field from the magnetic head, and a recording assist action acts on the recording magnetic layer..
Hgst Netherlands B.v.
03/26/15
20150085261
 Magnetic resonance imaging apparatus patent thumbnailnew patent Magnetic resonance imaging apparatus
The mri apparatus includes a housing that includes a bore in which a first magnetic field for capturing a mr image is generated, a beam projector that is disposed in the bore of the housing during capture of the mr image and projects an image onto an inner wall included in the bore, and a controller that controls the beam projector, and transfers a video signal to the beam projector. The beam projector includes a coil which is disposed so that a direction of a second magnetic field, which is generated with a current applied to the coil, is parallel to a direction of the first magnetic field..
Samsung Electronics Co., Ltd.
03/26/15
20150084972
new patent

Contactless data communication using in-plane magnetic fields, and related systems and methods


Embodiments described herein are related to contactless data communication. Related systems and methods for contactless data communication are disclosed herein.
Qualcomm Incorporated
03/26/15
20150084635
new patent

Magnetic resonance imaging apparatus


A magnetic resonance imaging apparatus of an embodiment includes a housing, a static magnetic field source having a superconducting coil or a permanent magnet inside the housing, and a superconducting array antenna inside the housing.. .
Kabushiki Kaisha Toshiba
03/26/15
20150084631
new patent

Mri scanner


Systems and methods for improving patient comfort and throughput of magnetic resonance imaging by providing at least one patient imaging area outside a bore of a magnet of a magnetic resonance imaging device. An embodiment of an apparatus for providing at least one patient imaging area outside the bore comprises a first shim disposed external to and spaced apart from a first opening of the bore to form a first patient imaging area between the first shim and the first opening, wherein the first shim is configured to direct a magnetic field of the magnet into the first patient imaging area to provide a first magnetic field in the first patient imaging area.
Hologic, Inc.
03/26/15
20150084623
new patent

Adjustable magnetic probe for efficient near field scanning


A method and apparatus for testing near field magnetic fields of electronic devices. The method comprises measuring a magnetic field using a loop antenna that is oriented in a first direction.
Qualcomm Incorporated
03/26/15
20150084622
new patent

Magnetic measurement method and its system and apparatus


The object of the present invention is to provide a method, system and apparatus that are capable of measuring magnetic characteristic of crystal grains composing magnetic polycrystalline materials in the magnetic field or nonmagnetic field by x-ray magnetic circular dichroism. In particular, the present invention is capable of measuring the magnetic characteristic of comparatively very thick materials..
Inter-university Research Institute Corporation High Energy Accelerator Research Organization
03/26/15
20150084619
new patent

Displacement sensor for contactlessly measuring a position by means of a plurality of magnetic field sensors arranged in series


The present invention relates to a displacement sensor for contactlessly measuring a position of a magnet relative to a reference point. The displacement sensor comprises the magnet which can be displaced along a movement axis, a plurality of magnetic field sensors which are arranged in series and which are arranged parallel with the movement axis of the magnet and a calculation unit for forming a position signal which indicates the position of the magnet relative to the reference point.
Tyco Electronics Amp Gmbh
03/26/15
20150084617
new patent

Current transducer for measuring an electrical current


The present invention concerns current transducers for measuring a current flowing through a cable. The current transducers have a ferromagnetic core providing a substantially ring-shaped portion and at least two legs.
Senis Ag
03/26/15
20150084472
new patent

Electrical power motor-generator excited by magnetic transference


The invention relates to an electrical power motor-generator excited by magnetic transference, and which further comprises a stator (1) and a rotor (2) with an external core (3) stationary relative to the stator and rotor, said external core (3) comprising: an outer axial part, or axial armature (6) joined to the stator (1), an inner part that communicates through an air gap (4) with the rotor (2), a third part, disk (8), that joins the other two parts, where the rotor does not have any excitation coils, and hence no rings or collector brushes. The outer core (3) has an axial permanent magnet (12) and permanent magnets (10) on the outer axial part (6) thereof, and electromagnets (11) in the other two parts or on the disk (8).
03/26/15
20150084470
new patent

Motor and rotor


A motor includes a rotor and a stator. The rotor includes a first rotor core including a plurality of first claw-like magnetic poles, a second rotor core including a plurality of second claw-like magnetic poles, and a magnetic field magnet arranged between the first and second rotor cores.
Asmo Co., Ltd.
03/26/15
20150084456
new patent

Electric motor


An electric motor includes a stator operable to produce a magnetic field and defining an opening, and a rotor at least partially disposed within the opening. The rotor includes a shaft extending along a rotational axis, a plurality of first core portions each including a plurality of laminations stacked contiguously on the shaft, and a second core portion coupled between each of the first core portions.
Techtronic Industries Company Ltd.
03/26/15
20150084451
new patent

Switched reluctance motor and switched reluctance hybrid vehicles


An improved hybrid drive apparatus with a switched reluctance hub motor. The switched reluctance motor eliminates any drag caused by the existing magnetic fields of the motors used in the prior art by turning off the magnetic fields when not being used.
03/26/15
20150084443
new patent

High energy density vibration energy harvesting device with high-mu material


The present disclosure describes a vibration energy harvester with increased output power density. The vibration energy harvester has two magnetic solenoids, each with cores that include multiple layers of high permeability materials.
Northeastern University
03/26/15
20150084406
new patent

Arrangement and providing a vehicle with electric energy by magnetic induction


An arrangement for providing a vehicle with electric energy includes a receiving device adapted to receive the magnetic component of an alternating electromagnetic field and to produce an alternating electric current by magnetic induction. The receiving device includes at least one phase line, each phase line being adapted to carry a phase of the alternating electric current.
Bombardier Transportation Gmbh
03/26/15
20150083868
new patent

Mechanical and magnetic control system for magnetorheological actuators


In some embodiments, a method of provided boosted actuation to an aircraft flight control device includes receiving an input from a pilot input device via a mechanical input member, providing mechanical energy to a driving member of a controlled-slippage actuator, and varying the strength of a magnetic field applied to a magnetorheological (mr) fluid disposed between the driving member and a driven member of the controlled-slippage actuator based on the relative positions of the mechanical input member and a mechanical output member that is in mechanical communication with the driven member and the aircraft flight control device.. .
Bell Helicopter Textron Inc.
03/26/15
20150083808
new patent

Devices and methods using swipe detection


The present invention relates devices and methods using swipe detection. A swipeable computer of the present invention comprises a capacitive detector having an output, a switchable magnetic field sensor having an output, a memory unit, and a logic unit.
Coin, Inc.
03/26/15
20150083807
new patent

Read sensor and management system


The present invention provides a read sensor that can acquire data from the read object reliably, with a simple configuration, by making it possible to acquire data from the read object using both a magnetic field and an electric field. A read sensor 10 has conductive elements 30 that have a shape in which first elements 31 and second elements 32 are connected with each other along a first plane 20a, as if drawn unicursally in one stroke, so that the angle θ1 formed between a first element 31 and a second element 32 becomes a predetermined sharp angle, and a metal plate 40 that covers a second plane 20b of the dielectric plate 20, which is the back plane of the first plane 20a..
Hoko Electronics Co., Ltd.
03/26/15
20150083782
new patent

Surgical stapling instrument comprising a magnetic element driver


In various embodiments, a surgical stapling instrument can comprise a plurality of magnetic elements configured to articulate an end effector of the surgical instrument. The surgical instrument can comprise at least one electromagnet which can be selectively activated, or polarized, to generate a magnetic field sufficient to motivate a second magnetic element, such as a permanent magnet and/or an iron core, for example, mounted to the end effector.
Ethicon Endo-surgery, Inc.
03/26/15
20150083586
new patent

Deposition apparatus


A deposition apparatus comprises a source unit having a function of generating a plasma by an arc discharge; and a filter unit configured to transport the plasma generated by the source unit toward a material to be deposited, wherein the filter unit includes a duct configured to transport the plasma, a magnetic field formation unit configured to form, in the duct, a magnetic field for transporting the plasma, and a magnetic field bending unit configured to generate a magnetic force for bending the magnetic field formed by the magnetic field formation unit.. .
Canon Anelva Corporation
03/26/15
20150083483
new patent

High-capacity/efficiency transmission line design


A transmission tower structure for suspending from an arched crossarm a three phased circuit arranged in a compact delta configuration that improves the surge impedance loading (sil) of a transmission line, reduces its series impedance, lowers both resistive and corona losses, and moderates electromagnetic fields and audible noise effects at the ground level—all achieved in a cost effective manner. The structure further has a low overall height and aesthetic appearance enhancing the public acceptance of the embodiments..
Aep Transmission Holding Company, Llc
03/26/15
20150082942
new patent

Metal or semiconductor melt refinement method, and vacuum refinement device


An objective of the present invention is, in refining a metal or a semiconductor melt, without impairing refining efficiency, to alleviate wear and tear commensurate with unevenness in a crucible caused by instability in melt flow, and to allow safe operation over long periods of time such that leakages from the crucible do not occur. Provided is a metal or semiconductor melt refining method, in which, by using an ac resistance heating heater as a crucible heating method, the melt is heat retained and mixed by a rotating magnetic field which is generated by the resistance heating heater.
Silicio Ferrosolar S.l.
03/26/15
20150082919
new patent


According to one embodiment, a strain sensor includes: a base; a strain sensing element; a magnetic field sensing element; and a processing unit. The strain sensing element includes a first magnetic layer having a first magnetization; a second magnetic layer having a second magnetization; and a first intermediate layer.
Kabushiki Kaisha Toshiba
03/26/15
20150082909
new patent

Magnetic flowmeter with drive signal diagnostics


A magnetic flowmeter includes a flowtube arranged to receive a flow of process fluid. A coil is positioned proximate the flowtube and arranged to apply a magnetic field to the process fluid in response to a drive current alternating direction.
Rosemount Inc.
03/26/15
20150082905
new patent

Magnetic flowmeter with saturation detection and/or prevention


A magnetic flowmeter for measuring flow of a process fluid in a pipe includes a magnetic coil disposed adjacent to the pipe configured to apply a magnetic field to the process fluid. First and second electrodes are disposed within the pipe and electrically coupled to the process fluid and configured to sense an electromotive force (emf) induced in the process fluid due to the applied magnetic field and flow of the process fluid.
Rosemount Inc.
03/26/15
20150082575
new patent

Brushless motor and wiper apparatus


A brushless motor comprises: a stator 21 having armature coils 21a, 21b, and 21c; a rotor 22 which is rotated by a revolving magnetic field; and a switching element 30a, wherein the brushless motor has a rotation number control unit 33 which switches between low-speed and high-speed mode, wherein in the low-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at predetermined energization timing and controls a duty ratio to control the rotation number of the rotor 22, and in the high-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at energization timing advanced from the energization timing for the low-speed mode, thereby performing field weakening control of weakening the revolving magnetic field from that of the low-speed mode to control the rotation number of the rotor 22.. .
Mitsuba Corporation
03/19/15
20150081246

Displacement sensor for contactlessly measuring a relative position by means of a magnetic field sensor array on the basis of the hall effect


The present invention relates to a displacement sensor for contactlessly measuring a relative position of a magnetic field source (102) which produces a magnetic field and a magnetic field sensor (100) in relation to each other, wherein the magnetic field source (102) and the magnetic field sensor (100) are movable relative to each other. A plurality of magnetic field probes (106-1, 106-2, 106-3, .
Tyco Electronics Amp Gmbh
03/19/15
20150081242

Method and calibrating a magnetic sensor


In general, the invention relates to an algorithm and process for automated and/or continuous calibration of magnetic sensor, for example such as a sensor installed in a mobile positioning system handset. According to certain aspects, the calibration process can use the normal motion of the handset such that all measurement data from the three orthogonal axes of sensor when exposed to earth's magnetic field is collected.
Csr Technology Holdings Inc.
03/19/15
20150080997

Electrode device for a medical implant, and a medical implant comprising an electrode device


A medical implant and an electrode device for a medical implant, wherein the electrode device includes a distal end, a proximal end, and an electric transmission line that extends between the distal end and the proximal end. The transmission line includes at least one adaptive element.
Biotronik Se & Co. Kg
03/19/15
20150080922

System and methods which remove material from blood vessel walls


Systems and methods for removing plaque from blood vessels by applying constant or time varying magnetic or electrical fields. In one embodiment a system includes winding configurations positioned about a central axis along which a body region may be placed.
Advanced Magnet Lab, Inc.
03/19/15
20150080901

Device and enabling an orthopedic tool for parameter measurement


A system for enabling and disabling a medical device. The system includes a cradle having a magnet for generating a magnetic field.
Orthosensor Inc.
03/19/15
20150080888

Ferrofluidic lock


A surgical instrument includes a housing and an elongated shaft extending distally therefrom. The elongated shaft includes a proximal portion, a distal portion and a flexible portion supported therebetween.
Covidien Lp
03/19/15
20150080784

Method and device for treating a tissue with a high frequency electromagnetic field


Methods and systems for treating a tissue with a high frequency electric field to activate mapk/erk pathways, induce angiogenesis, induce angionenic factos such as no and vegf, or promote wound healing. Aspects of the invention are directed to methods of treating chronic wounds such as diabetic ulcers and hypoxia induced wounds.
University Of Cincinnati
03/19/15
20150080710

Imaging probe and obtaining position and/or orientation information


A method of obtaining information about the position and/or orientation of a magnetic component relatively to a magnetometric detector, the magnetic component and the magnetometric detector being moveable independently from each other relatively to a static secondary magnetic field, the method comprising the steps of: measuring in the presence of the combination of both the magnetic field of the magnetic component and the static secondary magnetic field essentially simultaneously the strength and/or orientation of a magnetic field at at least a first position and a second position spatially associated with the magnetometric detector, the second position being distanced from the first position; and combining the results of the measurements to computationally eliminate the effect of the secondary magnetic field and derive the information about the position and/or orientation of the magnetic component.. .
03/19/15
20150080636

Orthopedic fixation device with magnetic field generator


A medical device includes an orthopedic fixation device and an electromagnetic field emitter carried by the fixation device. The device preferably further includes a power source for powering the electromagnetic field emitter, which may be implanted in the human body with the fixation device and the electromagnetic field emitter.
03/19/15
20150080224

Superconducting magnet


A coil unit is formed of an oxide superconducting wire having a surface in a form of a strip and wound. A residual magnetic field restraint unit is disposed in the coil unit.
Sumitomo Electric Industries, Ltd.
03/19/15
20150079902

Nfc tag emulation mode with constant magnetic field


It is proposed a method for performing electromagnetic induction communication consisting in transmitting modulation data to a first communication device (rd) from a second communication device (ted), said method comprising:—coupling a first antenna (ar) of a the first communication device (rd) and a second antenna of the second communication device (ted),—generating a magnetic field by supplying a first current (i1) through this first antenna,—modulating the magnetic field according to the modulation data; wherein the first current (i1) is regulated so as to be substantially constant, by introducing a regulating current (ir) which is function of the magnetic field, and wherein the first communication device (rd) determines the modulation data (txmod) from the regulating current (ir).. .
St-ericsson Sa
03/19/15
20150078943

Tunable progressive cavity pump


A well pump assembly includes a progressive cavity pump having a stator with an elastomeric inner portion. The stator has an axial cavity with internal lobes; a rotor with external lobes positioned within the axial cavity.
Baker Hughes Incorporated
03/19/15
20150078881

Arrangement with a vacuum pump and compensating magnetic field produced by magnetic interference field of at least one vacuum pump component


An arrangement includes a vacuum pump having a rotor, and a drive unit for driving the rotor and having at least one magnetic interference field-generating component and at least one compensation coil for compensating the magnetic interference field generated by the at least one component.. .
Pfeiffer Vacuum Gmbh
03/19/15
20150078799

Inductively-heated applicator system


An inductively-heated applicator system including a heating module and applicator or applicator pen. The heating module includes a dock for seating the applicator.
Access Business Group International Llc
03/19/15
20150078788

Developing device and image forming apparatus and process cartridge incorporating same


A developing device includes a developer bearer to carry, by rotation, developer including toner and magnetic carrier to a development range facing a latent image bearer, and the developer bearer includes a magnetic field generator having multiple magnetic poles and a cylindrical developing sleeve to rotate and bear developer on an outer circumferential face thereof with magnetic force of the magnetic field generator provided inside the developing sleeve. The developing sleeve receives developing bias voltage including an ac component, and includes a base to maintain a cylindrical shape of the developing sleeve and a low friction surface layer including a material lower in friction coefficient with toner than a material of the base..
03/19/15
20150078612

Structure of speaker driver


The present invention is to provide a structure of speaker driver, it comprising a base, a drum paper, a yoke, a sound coil and a magnetic unit. The base includes an upper combining portion and a lower combining portion.
Firstchair Acoustics Co., Ltd.
03/19/15
20150078074

Three-dimensional magnetic memory with multi-layer data storage layers


Magnetic memories and methods are disclosed. A magnetic memory as described herein includes a plurality of stacked data storage layers to form a three-dimensional magnetic memory.
Hgst Netherlands B.v.
03/19/15
20150077883

Magnetic recording apparatus


According to an embodiment, a magnetic recording apparatus includes following elements. The spin torque oscillator generates a first oscillating magnetic field.
Kabushiki Kaisha Toshiba
03/19/15
20150077855

Finite-embedded coordinate designed transformation-optical devices


The design method for complex electromagnetic materials is expanded from form-invariant coordinate transformations of maxwell's equations to finite embedded coordinate transformations. Embedded transformations allow the transfer of electromagnetic field manipulations from the transformation-optical medium to another medium, thereby allowing the design of structures that are not exclusively invisible.
Duke University
03/19/15
20150077206

Devices and methods for pairing inductively-coupled devices


A first device may be paired to a second device, with the first and second devices including inductive elements, the devices may be paired by aligning a first magnetic element of a first device and a second magnetic element of a second device. At least one additional magnetic element is used to redirect magnetic fields generated by the first magnetic element and the second magnetic element away from the inductive elements..
Activision Publishing, Inc.
03/19/15
20150077151

Apparatus and testing electric conductors


A testing device for testing electric conductors includes a probe configured to measure a magnetic field caused by a current in one or more electric conductors of a device under testing (dut). An output generator configured to generate output data, wherein the output data depend on the measured magnetic field..
Infineon Technologies Ag
03/19/15
20150077138

Waveguide probe for nondestructive material characterization


An open-ended waveguide probe including a finite flange extending outwardly and functioning as an infinite flange. A signal source provides a microwave signal to the waveguide, which in turn transmits microwave electromagnetic energy incident upon an object to be tested.
The Curators Of The University Of Missouri
03/19/15
20150077121

Buried service detection


The invention concerns a method, device and system for detecting buried services by electromagnetic means with introducing an artificially generated electrical detection signal indirectly via soil to the buried service, detecting an electromagnetic field originating from the introduced underground detection signal, which is preferably following along the buried services, by a mobile detection unit above ground, and determining the proximity of the structure to the detection unit according to the detected electromagnetic field of the detection signal. Therein, the soil conducted detection signal is supplied via a mains socket..
Cable Detection Limited
03/19/15
20150077120

Utility locator transmitter devices, systems, and methods with dockable apparatus


Buried utility transmitters and associated locator devices, systems, and methods used for locating utility lines, pipes, and/or other conductors that are obscured from view are disclosed. In one embodiment a buried utility transmitter includes a module generating an output current for provision to the utility so as to generate a magnetic field for detection by a utility locator, with the output current signal having modulated signaling.
Seescan, Inc.
03/19/15
20150077105

Method for providing high resolution, high contrast fused mri images


This present invention relates to an mri scanning assembly and a method for fusing mri images of a target thereby generating and providing high resolution, high contrast fused mri images. The mri images of the target are generated by different mri devices operating at different magnetic field intensities.
03/19/15
20150077103

System and method to detect a fluid flow without a tipping pulse


An apparatus and method to detect a fluid flow. The apparatus includes a nuclear magnetic resonance (nmr) tool to perform an nmr measurement on the fluid in a sensitive volume by establishing a magnetic field in the sensitive volume that exhibits a change in magnitude in a direction of the fluid flow when the fluid flow is radial with respect to the nmr tool and by transmitting refocus pulses, without any tipping pulse, to obtain the nmr measurement comprising spin echo signals.
Baker Hughes Incorporated
03/19/15
20150077101

Magnetic element control device, magnetic element control method and magnetic detection device


A magnetic element control device of the present invention includes an excitation signal generation unit that generates an alternating signal, a feedback signal conversion unit that converts a time width between detection signals of a positive voltage and a negative voltage into voltage information, an adjustment signal generation unit that generates an offset signal that cancels an offset component which is superimposed on a data signal indicating a magnetic field intensity, and an excitation signal adjustment unit that generates an alternating current, a feedback current, and an offset current from the alternating signal, the feedback signal, and the offset signal, respectively, superimposes the feedback current and the offset current on the alternating current, and generates an excitation current which is applied to an exciting coil.. .
Fujikura Ltd.
03/19/15
20150077100

Magnetic field sensing element combining a circular vertical hall magnetic field sensing element with a planar hall element


A magnetic field sensor includes a circular vertical hall (cvh) sensing element and at least one planar hall element. The cvh sensing element has contacts arranged over a common implant region in a substrate.
Allegro Microsystems, Llc
03/19/15
20150077098

Magnetic logic units configured to measure magnetic field direction


An apparatus includes circuits, a field line configured to generate a magnetic field based on an input, a sensing module configured to determine a parameter of each circuit, and a magnetic field direction determination module configured to determine an angular orientation of the apparatus relative to an external magnetic field based on the parameter. Each circuit includes multiple magnetic tunnel junctions.
Crocus Technology Inc.
03/19/15
20150077097

Magnetic logic units configured to measure magnetic field direction


An apparatus includes circuits, a field line configured to generate a magnetic field based on an input, a sensing module configured to determine a parameter of each circuit, and a magnetic field direction determination module configured to determine an angular orientation of the apparatus relative to an external magnetic field based on the parameter. Each circuit includes multiple magnetic tunnel junctions.
Crocus Technology Inc.
03/19/15
20150077096

Magnetic logic units configured to measure magnetic field direction


An apparatus includes circuits, a field line configured to generate a magnetic field based on an input, a sensing module configured to determine a parameter of each circuit, and a magnetic field direction determination module configured to determine an angular orientation of the apparatus relative to an external magnetic field based on the parameter. Each circuit includes multiple magnetic tunnel junctions.
Crocus Technology Inc.
03/19/15
20150077095

Magnetic logic units configured to measure magnetic field direction


An apparatus includes circuits, a field line configured to generate a magnetic field based on an input, a sensing module configured to determine a parameter of each circuit, and a magnetic field direction determination module configured to determine an angular orientation of the apparatus relative to an external magnetic field based on the parameter. Each circuit includes multiple magnetic tunnel junctions.
Crocus Technology Inc.
03/19/15
20150077033

Stepping motor and system thereof


A stepping motor includes a housing, a stator assembly, a rotor, and a sensor portion. The stator assembly is disposed inside the housing.
Samsung Electronics Co., Ltd.
03/19/15
20150077022

Particle accelerators having extraction foils


A particle accelerator including an electrical field system and a magnetic field system that are configured to direct a particle beam of charged particles along a designated path within an acceleration chamber. The particle accelerator also includes a foil holder having a beam window and a positioning slot that at least partially surrounds the beam window.
General Electric Company
03/19/15
20150076960

Ferrofluid motor


A ferrofluid electric motor and methods are presented. A magnetic field is generated by an electromagnet, a flow of a ferrofluid is induced in response to the magnetic field, and a turbine is rotated by the flow of the ferrofluid..
The Boeing Company
03/19/15
20150076636

Current sensor device


A current sensor device for sensing a measuring current includes a semiconductor chip having a magnetic field sensitive element. The current sensor device further includes an encapsulant embedding the semiconductor chip.
Infineon Technologies Ag
03/19/15
20150076221

System, method and monument for land surveying


A monument usable for locating stationary geographical positions and/or assets includes a housing, comprising a body and a cap; at least one permanent magnet mounted on or in the housing; and at least one electronic marker located on or in the housing. The magnet has a magnetic field of sufficient strength for its location to be readily identified from outside the housing using a portable magnetic locator and the electronic marker includes an electronic transceiver for receiving and/or transmitting electronic information unique to the geographical location and/or functional properties of the monument or an asset associated with the monument..
Berntsen International, Inc.
03/19/15
20150076138

Induction cooking structure and system and using the same


A method of producing an edible food product includes the step of forming a vessel core with a first material having a first level of susceptibility to heating by induction. The method also includes the step of casting an apron of a second material with a second level of susceptibility to heating by induction lower than said first level around at least a first portion the vessel core in an in situ casting process to form a clad cooking vessel having a cooking surface.
Kellogg Company
03/19/15
20150076112

Method and controlling substrate dc-bias and ion energy and angular distribution during substrate etching


A variable capacitor is provided within a radiofrequency (rf) power transmission path to a bias electrode, in addition to an impedance matching circuit provided within the rf power transmission path to the bias electrode. An rf power supply is operated in a pulsed mode to transmit pulses of rf power through the rf power transmission path to the bias electrode.
Lam Research Corporation
03/19/15
20150076039

Separator by foucault current


This separator by foucault current comprises an endless conveyor belt designed to transport the mixture to a sorting section, rotary drums on which the endless conveyor belt runs, and a multipole magnetic rotor driven in rotation so as to generate an alternating induction magnetic field. The sorting section is offset with respect to each rotary drum along the path of the endless conveyor belt.
Magpro


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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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