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Magnetic Field patents



      

This page is updated frequently with new Magnetic Field-related patent applications.




Date/App# patent app List of recent Magnetic Field-related patents
06/23/16
20160182112 
 Mobile terminal patent thumbnailMobile terminal
A mobile terminal, comprises: a case including a conductive metal part; a main board mounted inside the case and having a power supply part and a ground surface; a first antenna radiator disposed so as to be spaced from the power supply part to the first antenna radiator; a power supply line for electrically connecting the power supply part to the first antenna radiator and ground line for electrically connecting the ground surface to the metal part and the first antenna radiator, thereby preventing a decrease in the performance of an antenna since the formation of an electromagnetic field between the case of a metallic material and the main board can be minimized even if the metallic material is used for the case.. .

06/23/16
20160181870 
 Wireless power transmission device patent thumbnailWireless power transmission device
A wireless power transmission device for wirelessly transmitting power to a wireless power reception device, according to one embodiment of the present invention, comprises: a first transmission coil for transmitting power to the wireless power reception device through a magnetic field; and a second transmission coil for transmitting power to the wireless power reception device through a magnetic field and arranged on the inner side of the first transmission coil, wherein the wireless power transmission device transmits power to the wireless power reception device through one coil between the first transmission coil and the second transmission coil on the basis of a coupling state between the wireless power transmission device and the wireless power reception device.. .

06/23/16
20160181860 
 Efficiency and flexible in inductive charging patent thumbnailEfficiency and flexible in inductive charging
Provided is a combination of a receiver unit and a mobile device and/or battery, the device and/or battery capable of being inductively powered and/or charged by the receiver unit, the unit being a component of or electrically connected to the mobile device or battery. The receiver unit comprises a receiver coil and a communication and control system.

06/23/16
20160181851 
 Wireless power transmitting coil disposed around a protruding magnetic component patent thumbnailWireless power transmitting coil disposed around a protruding magnetic component
Techniques for wireless charging in a system, method, and apparatus are described herein. For example, the apparatus includes a wireless power transmitting coil configured to propagate current provided from a charging device, wherein the current propagation is to generate a magnetic field.

06/23/16
20160181822 
 Wireless power repeating patent thumbnailWireless power repeating
Techniques for wireless charging in a system, method, and apparatus are described herein. For example, the apparatus includes a first wireless power receiving coil configured to receive power from a first wireless power transmitting coil of a wireless charger.

06/23/16
20160181679 
 Frequency selective limiter patent thumbnailFrequency selective limiter
The present disclosure is directed towards a frequency selective limiter having a first magnetic material disposed over a first dielectric material and a strip conductor disposed over the magnetic material. In some embodiments, the frequency selective limiter includes a second magnetic material disposed over the strip conductor and a second dielectric material disposed over the second magnetic material.

06/23/16
20160181317 
 Electronic device patent thumbnailElectronic device
This patent document provides an electronic device capable of improving the characteristics of a variable resistance element. An electronic device in accordance with an implementation of this document includes semiconductor memory, and the semiconductor memory includes a variable resistance element capable of being included in the semiconductor memory, and including a fixed layer, a tunnel barrier layer, and a variable layer laminated therein, wherein the variable resistance element is capable of allowing a slope of a graph of a switching current density as a function of an external magnetic field to be proportional to the square of “h/hk” when the magnetization directions of the fixed layer and the variable layer are switched from a parallel state to an antiparallel state.

06/23/16
20160181233 
 Metal-insulator-metal (mim) capacitors arranged in a pattern to reduce inductance, and related methods patent thumbnailMetal-insulator-metal (mim) capacitors arranged in a pattern to reduce inductance, and related methods
Metal-insulator-metal (mim) capacitors arranged in a pattern to reduce inductance, and related methods, are disclosed. In one aspect, circuits are provided that employ mim capacitors coupled in series.

06/23/16
20160181057 
 High resolution charged particle beam device and  operating the same patent thumbnailHigh resolution charged particle beam device and operating the same
A charged particle beam device is provided which includes a primary beam source device adapted for generating a primary charged particle beam, a mirror corrector device adapted for providing compensation of spherical and/or chromatic aberrations, a first beam separator adapted for transmitting the primary charged particle beam to the mirror corrector device and for separating the primary charged particle beam from a compensating primary charged particle beam reflected by the mirror corrector device, wherein the first beam separator has a magnetic deflector configured to generate at least one dipole magnetic field, an objective lens adapted for focusing the compensating primary charged particle beam onto a specimen, and a second beam separator adapted for transmitting the compensating primary charged particle beam to the specimen and for separating the compensating primary charged particle beam from a secondary charged particle beam originating from the specimen.. .

06/23/16
20160181054 
 Objective lens arrangement usable in particle-optical systems patent thumbnailObjective lens arrangement usable in particle-optical systems
An objective lens arrangement includes a first, second and third pole pieces, each being substantially rotationally symmetric. The first, second and third pole pieces are disposed on a same side of an object plane.

06/23/16
20160181052 

Device for producing an electron beam


A device for the production of an electron beam with high surface strengths. The device has a cathode component with a convex cathode face with a predetermined radius for extracting the electron beam in such an alignment that a magnetic field or the magnetic field lines thereof, for causing the extraction of the electron beam, is almost collinearly to the convex cathode face..

06/23/16
20160181049 

Electromagnetic actuator and use


An electromagnetic actuator includes a plunger, an armature, and a coil. The plunger is moveable between a first position and a second position.

06/23/16
20160181035 

Switch


A magnetic type switch may inclue a magnet having a magnetic pole face arrnaged to face a magnetic body provided in an object. A chane in magnetic field due to a change in distance between the magnetic body and the magnet by an operation of the object may be detected to output a signal for indicating at lease one of a presence and an absence of the operation of the object.

06/23/16
20160181009 

Low crosstalk magnetic devices


In one aspect there is an apparatus. The apparatus may include an electronic circuit that generates a first magnetic field from a current in the electronic circuit.

06/23/16
20160180998 

Magnetic particle manipulation apparatus


The invention relates to a magnetic particle manipulation apparatus for moving magnetic particles within a tubular device, wherein the tubular device includes a gel-like medium layer and a liquid layer alternately stacked within a vessel and is filled with the magnetic particles. The magnetic particle manipulation apparatus of the invention includes a vessel holding portion, a vessel pressing portion and a magnetic field applying portion.

06/23/16
20160180670 

System and detecting items identified by radio frequency identification (rfid) tags in a smart shopping cart


A smart shopping cart includes a basket having an open top, a plurality of electrically conductive side walls, and an electrically conductive bottom wall. Unidirectional, near-field, side antenna elements are mounted on, and electrically grounded to, the side walls.

06/23/16
20160180613 

Mobile device


A mobile device includes a first communication device that transmits a first transmission signal to a vehicle side, a second communication device that transmits a second transmission signal in response to an electromagnetic field received from the vehicle side, a control unit that controls the first communication device and second communication device, and a circuit board. The first communication device includes a loop antenna that is formed by a conductive wire formed on the circuit board.

06/23/16
20160180120 

Magnetic secure transmission device hardware


A system for a baseband near field magnetic stripe data transmitter includes a mobile phone, a magnetic stripe transmission (mst) device and a payment button. The mobile phone includes a payment wallet application and is configured to transmit a stream of pulses including magnetic stripe data of a payment card.

06/23/16
20160178781 

Detection and imaging of subsurface high impedance contrast objects


A system for detecting an object in a subsurface environment includes a first recorder of a vertical electromagnetic component, including first pair of polarization orientation components, of an electromagnetic field in a region of interest, a second recorder of an orthogonal electromagnetic component, including second pair of polarization orientation components, of the electromagnetic field in the region of interest, at least one processor configured to derive a pair of transfer functions that relates the vertical electromagnetic component and the orthogonal electromagnetic component of the electromagnetic field for each of the polarization orientation components, at least one processor configured to determine a simulation of the pair of transfer functions for a given impedance distribution, and at least one processor configured to infer a subsurface impedance map using the pair of transfer functions of the recorded data and the simulation of the pair of transfer functions.. .

06/23/16
20160178718 

System and electromagnet coil construction and operation


A method of manufacturing electromagnet coils for use in a magnetic resonance imaging (mri) system is provided. The method comprises forming a coil representation of a coil surface for the electromagnet coils; setting a plurality of performance metric requirements for a plurality of performance metrics for the electromagnet coils, the plurality of performance metrics including a magnetic field-shape metric and an eddy-field metric; forming a performance functional, based on the coil representation and the plurality of performance metrics, for generating a current density pattern over the coil surface; optimizing the performance functional based on the plurality of performance so metric requirements; generating a current density pattern over the coil surface based on the minimized performance functional; and obtaining coil windings from the current density pattern..

06/23/16
20160178710 

Method and analyzing a sample volume comprising magnetic particles


The described embodiments relate to a method for analyzing a sample volume including magnetic particles. The method may include applying an electric excitation signal to a measuring coil so as to generate a magnetic field acting on the sample volume using the measuring coil.

06/23/16
20160178680 

Sensor device and thermoacoustic measurement of electromagnetic fields


The invention relates to a sensor device and a corresponding method for measuring an electromagnetic field (10) by means of—a sensor unit (1) comprising a medium (2), which can absorb energy from the electromagnetic field (10) and which exhibits transient thermal expansion upon absorption of energy from the electromagnetic field (10), whereby acoustic waves, in particular ultrasonic waves, are generated, and a detector (3) for detecting the acoustic waves and for generating according detector signals and—a processing unit (4) for deriving at least one property of the electromagnetic field (10) from the detector signals. The sensor device and method according to the invention allow for measuring electromagnetic fields in free space, ambience, matter and biological tissue in a simple and reliable way..

06/23/16
20160178601 

Measurement of sugar in a solution


A system and method for measuring the amount of sugar in a sample including measuring a solution of the sugar using oscillating electromagnetic fields generated in the sample at least two radio frequencies at which the electromagnetic properties of the solution differ. There are detected characteristics of the oscillating electromagnetic fields generated in the sample at each radio frequency that are dependent on the electromagnetic properties of the solution.

06/23/16
20160178583 

Sensor device and detecting thermoacoustic responses of a medium


The invention relates to a sensor device and a corresponding method for detecting, in particular imaging, thermoacoustic responses of a medium, comprising a detector for detecting acoustic waves, in particular ultrasonic waves, generated in the medium upon absorption of energy from an electromagnetic field and/or from an alternating magnetic field comprising electromagnetic waves or magnetic waves, respectively, of a first frequency. In order to allow for a detection of thermoacoustic responses of the medium, in particular upon absorption of energy from continuous wave (cw) electromagnetic fields and/or from alternating magnetic fields, the detector is designed for detecting acoustic waves of a second frequency which is higher than, in particular twice, the first frequency..

06/23/16
20160178544 

Device and system for measuring nuclear magnetic resonance


There is provided a nuclear magnetic resonance (nmr) measurement cell for use with a solution enabling the introduction of a gas into said solution. He measurement cell includes at least a detection volume designed to be installed in a static magnetic field of an nmr spectrometer, and includes in said detection volume, a gas introduction zone, a measurement chamber for the solution at a distance from the gas introduction zone and a network of conduits for the solution formed to set up fluid communication between the gas introduction zone and the measurement chamber.

06/23/16
20160178403 

Fail-safe operation of an angle sensor with mixed bridges having separate power supplies


A magnetic angle sensor may include a first bridge circuit. The first bridge circuit may include a first half-bridge to generate a first signal indicative of a first angular component of a direction of a magnetic field.

06/23/16
20160178400 

Systems and methods for detecting a magnetic target by computing a barycenter


Systems and methods for detecting a magnetic target include a plurality of magnetic field sensing elements arranged about a central point. Each one of the plurality of magnetic field sensing elements is configured to measure a magnetic field produced by a magnetic target and provide a respective output signal that represents a respective measurement of a strength of the magnetic field.

06/23/16
20160178371 

Magnetic sensor calibration for aircraft


A method of magnetic sensor calibration for aircraft comprises obtaining attitude data, heading angle data, position data, and date information; inputting the position data and date into an earth magnetic field (emf) model and into an emf model correction map; inputting the attitude and heading angle data into a noll to body frame transformation module; outputting an emf model vector from the emf model; outputting an emf correction vector from the emf model correction map; compensating the emf model vector with the emf correction vector to produce a corrected emf model vector; inputting the corrected emf model vector into the transformation module; inputting magnetic field measurements data into a calibration processing unit; inputting true earth magnetic field data from the transformation module into the processing unit; computing compensation coefficients in the processing unit based on the magnetic field measurements and the true earth magnetic field; and storing the compensation coefficients.. .

06/23/16
20160177932 

Pumping system for gaseous and liquid media


The invention relates to a pumping system (1), in particular, for transporting gaseous and/or liquid media having two parallel hydraulically operated oscillating piston pumps (2, 3) whose pistons (8) are moved by means of electromagnetic fields, whereby the electromagnetic fields are generated in field coils (10, l1, l2) by means of half-wave direct current pulse. The invention distinguishes itself by a circuit arrangement (19) that can be connected to an alternating current source having two parallel electric branches that are connected to the field coils (l1, l2) of one of the oscillating pumps (2, 3) respectively, wherein the circuit arrangement (19) is equipped in such a way that the field coils (10, l1, l2) are operated electrically out of phase so that the oscillating piston pumps (2, 3) are operated with a phase displacement of 180°.

06/23/16
20160177714 

Reciprocating pump piston control


A sampling tool for conveyance within a well that extends into a subterranean formation. The sampling tool includes a displacement unit having a first cylinder, a second cylinder, a piston, and a magnet.

06/23/16
20160177705 

Electromagnetic ranging source suitable for use in a drill string


An electromagnetic ranging source embodiment includes: a tubular body having a circumference; a ferromagnetic core conforming to the tubular body and extending at least halfway around the circumference to define a gap with circumferentially-spaced poles; one or more current-carrying windings around the core to induce a magnetic field between the poles; and a downhole power source that drives the one or more current-carrying windings. A method embodiment includes: equipping a first drill string with such an electromagnetic ranging source; extending a first borehole with the first drill string; assembling a second drill string with sensors; and drilling a second borehole while using said sensors to guide the second drill string relative to the first borehole..

06/23/16
20160177418 

Refining device and refining titanium scraps and sponge titanium using deoxidising gas


Provided are a method and apparatus for refining titanium scraps and sponge titanium, which can remove oxygen from a melt by supplying a deoxidizing gas to the surface of the melt in order to refine titanium scraps and sponge titanium. The method for refining titanium scraps and sponge titanium comprises supplying hydrogen ions and electrons in plasma to a titanium melt to remove oxygen from the titanium melt surface having an oxide layer formed thereon.

06/23/16
20160177412 

High rate magnetic annealing system and operating


An annealing system and method of operating is described. The annealing system includes a furnace having a vacuum chamber wall that defines a processing space into which a plurality of workpieces may be translated and subjected to thermal and magnetic processing, wherein the furnace further includes a heating element assembly having at least one heating element located radially inward from the vacuum chamber wall and immersed within an outer region of the processing space, and wherein the heating element is composed of a non-metallic, anti-magnetic material.

06/23/16
20160176301 

Uniform magnetic field transmitter


Δ34′ is an ascending distance between the third turn and the fourth turn.. .

06/23/16
20160176299 

Protective shield for an electric vehicle inductive charging pad


A vehicle includes a vehicle coil assembly configured to couple with a ground coil assembly in a presence of a magnetic field therebetween for wireless power transfer to the vehicle. The vehicle coil assembly includes an inflatable shield configured to extend from the vehicle and form a barrier around a portion of the magnetic field..

06/23/16
20160175984 

Method and distortion control on additively manufactured parts using wire feed and magnetic pulses


The invention provides a method and apparatus for forming a freeform metal structure by wire feed additive manufacturing, wherein a metal wire end is moved along an area of deposition and is melted by a heat source, the melting being deposited on the metal structure as a metallic build-up material, wherein during the cooling process build-up material is subjected to at least one pulsed magnetic field effecting plastic deformation of the build-up material.. .

06/23/16
20160175963 

Systems and methods for solid state sensor measurements of welding cables


In one embodiment, a welding system having a welding power supply configured to provide welding power is provided. The welding system additionally includes a weld cable coupled to the power supply and configured to transmit the welding power, and a welding torch coupled to the weld cable and configured to apply the welding power to produce a welding arc.

06/23/16
20160175893 

Container for cleaning an object submerged in a fluid comprising ferromagnetic components


A container for the cleaning of an object, intended to receive, in addition to the object to be cleaned, a fluid including ferromagnetic components, and intended to be submitted to the action of a magnetic field generated by the rotation of magnets. The container comprises a bottom wall, a lateral wall, and a removable closing lid, said container being transparent to the magnetic field.

06/23/16
20160175616 

Mucosal dose control radiotherapy apparatus using magnetic fields


A mucosal dose control radiotherapy apparatus using magnetic fields includes: a radiation generator irradiating radiation toward a tumor region of a patient; a magnetic field generator forming a magnetic field in a body of the patient; and a controller controlling a radiation dose transmitted from the radiation generator to the tumor region of the patient by adjusting a direction and a strength of the magnetic field of the magnetic field generator.. .

06/23/16
20160175605 

Modulating function of neural structures near the ear


Stimulation of the facial nerve system (e.g., electrically, electromagnetically, etc.) in ischemic stroke patients will cause dilation of occluded arteries and dilation of surrounding arteries, allowing for blood flow to circumvent the obstruction and reach previously-deprived tissue. The device approaches the facial nerve and its branches in the vicinity of the ear.

06/23/16
20160175063 

System and maneuvering coils power optimization


An optimization unit controls electrical currents of a set of electromagnets to generate a wanted maneuvering magnetic field pattern (mmp) for moving an in-vivo device in the gi system. The optimization unit may calculate a magnetic force and a magnetic field to maneuver the in-vivo device from a current location and/or orientation to a new location and/or orientation.

06/23/16
20160174872 

Modeling of a magnetic field


A method, including generating a magnetic field in a region from a first magnetic field radiator located at a first position and a second magnetic field radiator located at a second position. A volume having a multiplicity of vertices is delineated within the region, and respective values of the magnetic field at the multiplicity of vertices are measured.

06/16/16
20160174419 

Shielded rf transmission lines in low temperature co-fired ceramic constructs and making same


An integrated circuit assembly which includes stacked printed ceramic substrate layers, and incorporates a shielding enclosure extending about the electrical conductor traces and interconnects which form the assembly circuitry. The shielding enclosure is configured to reduce electric and/or magnetic field leakage or interference with the traces and interconnects.
University Of Windsor


06/16/16
20160174363 

Magnetic stand for tablet device


A magnetic stand for a tablet device is disclosed. The magnetic stand is configured to rigidly hold a portion of the tablet device in place and to shield the magnetic field from adversely affecting nearby devices susceptible to strong magnetic fields.
Apple Inc.


06/16/16
20160173051 

Noise cancellation resonator


In order to provide a noise cancellation resonator that is highly effective in reducing noise, a noise cancellation resonator of the present invention is characterized by including: a noise cancellation resonator coil with an inductance component of ln; and a noise cancellation resonator capacitor with a capacitance component of cn, wherein the noise cancellation resonator has a resonance frequency that is calculated by adding a shift frequency that is determined based on a degree of coupling between a main resonator coil and the noise cancellation resonator coil, to a predetermined frequency of an electromagnetic field generated by a main resonator that is a source of noise and includes the main resonator coil.. .
Equos Research Co., Ltd.


06/16/16
20160172957 

A magnetic gear


A magnetic gear comprising: first and second members arranged for relative movement therebetween, the first member having a first array of magnetic field generating elements and the second member having a second array of magnetic field generating elements; and a coupling member having an array of coupling elements for coupling magnetic flux between the first array of magnetic field generating elements and the second array of magnetic field generating elements, wherein for at least one of the coupling elements, there is provided a cooling path in thermal communication with the at least one coupling element, wherein the cooling path is provided within at least one of the at least one coupling element and the coupling member.. .
Ricardo Uk Limited


06/16/16
20160172953 

Linear actuator


Embodiments described herein may take the form of an electromagnetic actuator that produces a haptic output during operation. Generally, an electromagnetic coil is wrapped around a central magnet array.
Apple Inc.


06/16/16
20160172952 

Stepping motor and stator thereof


A stator of a stepping motor comprises two magnetic field closed loops. Each magnetic field closed loop comprises a body as well as a main driving pole and an auxiliary driving pole.
Wellgain Motion Tech Company Limited


06/16/16
20160172941 

Multi-polar dc machine


Systems and methods for generating mechanical and/or electrical energy are presented. A system generates mechanical energy by using direct current to cause at least one rotor to rotate within and/or around at least one stator and/or generates electrical energy by using the rotation of at least one rotor within and/or around at least one stator to generate an electromagnetic field.
Coalmont Electrical Development Corporation


06/16/16
20160172928 

Reluctance motor with virtual rotor


A method and apparatus for operating a reluctance motor. The apparatus comprises a stator and a plate.
The Boeing Company


06/16/16
20160172891 

Method and device for foreign object detection in induction electric charger


An example embodiment of the invention is a method and device for detecting foreign objects (fo) near the primary coil of an induction charger used in charging electric vehicle batteries. Individual sensors of a sensor array are configured to output a sensing signal in response to magnetically coupling the high frequency alternating magnetic field produced by the primary coil.
Schneider Electric Usa, Inc.


06/16/16
20160172890 

Wearable devices for wireless power transfer and communication


Disclosed is a wireless charging system for a wearable device having a plurality of coils configured to couple to an externally generated magnetic field and provide power to an electronic component in the wearable device. The coils may include a first coil integrated with a device body of the wearable device and a second coil disposed in a portion of the wearable device that is configured to secure the wearable device to a user.
Qualcomm Incorporated


06/16/16
20160172871 

Wireless power transmitter


A wireless power transmitter according to an embodiment includes a coil and a capacitor which resonate with a wireless power receiver. The coil includes a plurality of cell groups and a core which connects the cell groups with each other.
Lg Innotek Co., Ltd.


06/16/16
20160172822 

Optically-induced charge separation and induced magnetism in dielectrics for optical energy conversion and intense magnetic field generation


Schemes are described to produce quasi-static charge separation, terahertz radiation, and programmable magnetic field generation using linearly-polarized light in unbiased, transparent insulators. The methods exploit a recently-observed magneto-electric optical nonlinearity that produces intense magnetization in undoped, homogeneous dielectrics.
The Regents Of The University Of Michigan


06/16/16
20160172758 

Coupled multiband antennas


An antenna includes at least two radiating arm structures made of or limited by a conductor, superconductor or semiconductor material. The two arms are coupled through a region on first and second superconducting arms such that the combined structure forms a small antenna with broadband behavior, multiband behavior or a combination thereof.
Fractus, S.a.


06/16/16
20160172584 

Methods and magnetic sensor having non-conductive die paddle


Methods and apparatus to provide a magnetic field sensor device including a magnetic sensor element, a die having wafer bumps, wherein the magnetic sensor element is positioned in relation to the die, and conductive leadfingers having respective portions electrically connected to the wafer bumps. In embodiments, the device includes a region about the magnetic sensor element that does not contain electrically conductive material for preventing eddy current flow..
Allegro Microsystems, Llc


06/16/16
20160172320 

Magnetic intermetallic compound interconnect


The present disclosure relates to the field of fabricating microelectronic packages, wherein magnetic particles distributed within a solder paste may be used to form a magnetic intermetallic compound interconnect. The intermetallic compound interconnect may be exposed to a magnetic field, which can heat a solder material to a reflow temperature for attachment of microelectronic components comprising the microelectronic packages..
Intel Corporation


06/16/16
20160172180 

Methods, apparatus, and system for mass spectrometry


A miniature, low cost mass spectrometer capable of unit resolution over a mass range of 10 to 50 amu. The mass spectrometer incorporates several features that enhance the performance of the design over comparable instruments.
The Massachusetts Institute Of Technology


06/16/16
20160172159 

Apparatus and method to control an ion beam


An apparatus to control a ribbon ion beam. The apparatus may include a coil assembly comprising a plurality of electromagnetic coils configured to generate a magnetic field proximate the ribbon beam, the magnetic field extending in a first direction that forms a non-zero angle with respect to a direction of propagation of the ribbon ion beam; a current source assembly configured to supply current to the coil assembly; and a controller configured to control the current source assembly to send at least one dithering current signal to the coil assembly responsive to a beam current measurement of the ribbon ion beam, wherein the at least one dithering current signal generates a fluctuation in magnetic field strength of the magnetic field..
Varian Semiconductor Equipment Associates, Inc.


06/16/16
20160172149 

X-ray tube assembly


According to one embodiment, an x-ray tube assembly includes a cathode includes a first non-magnetic metal member having high electrical conductivity, an anode target includes a second non-magnetic metal member having high electrical conductivity, a vacuum envelope having depressed portion depressed, and a first magnetic deflector provided outside the vacuum envelope, includes first magnetic pole pair generating the alternating magnetic field, the first magnetic pole pair being provided in close vicinity to a wall surface of the depressed portion.. .
Toshiba Electron Tubes & Devices Co., Ltd.


06/16/16
20160172136 

Hall effect pushbutton switch


A pushbutton switch that utilizes a hall effect sensor. The hall effect pushbutton switch may be utilized in an accessible pedestrian signal (aps) system or in variety of applications where pushbutton movement needs to be measured.
Polara Engineering, Inc.


06/16/16
20160172104 

Smart multicoil inductively-coupled array for wireless power transmission


A power surface or chamber having nearly constant electromagnetic field distribution in 3d comprising at least one primary coil and one primary resonance array made of several coils connected in parallel for generating the electromagnetic field distribution; a single power driver circuit for activating the coils; and a secondary coil and an optional secondary resonance coil to recover the generated electromagnetic field and power up an electric device.. .
Polyvalor, Limited Partnership


06/16/16
20160172092 

Method and equipment for magnetic nanopatterning of substrates


Method for magnetic nanopatterning of a substrate 10, said substrate comprising a first ferromagnetic or ferrimagnetic phase fm and a second antiferromagnetic phase af, said fm and af phases being coupled by exchange bias in such a way to form an exchange bias system; said method comprising submitting said substrate to a magnetic field hw so as to set the magnetization of said first phase fm in the direction of said magnetic field hw, while heating predefined portions of said antiferromagnetic phase af up to a writing temperature tw at which the exchange bias can be influenced, equipment for carrying out said method and substrate nanopatterned according to said method.. .
Georgia Tech Research Corporation


06/16/16
20160172080 

Superconductor with improved flux pinning at low temperatures


A rebco superconductor tape that can achieve a lift factor greater than or equal to approximately 3.0 or 4.0 in an approximately 3 t magnetic field applied perpendicular to a rebco tape at approximately 30 k. In an embodiment, the rebco superconductor tape can include a critical current density less than or equal to approximately 4.2 ma/cm2 at 77 k in the absence of an external magnetic field.
The University Of Houston System


06/16/16
20160171261 

Radio tag


A radio tag capable of indicating to a reader, via a wireless link, that a variation in energy has crossed a predetermined threshold, this variation in energy being chosen from the group made up of a variation in the temperature of the radio tag and a variation in the magnetic field in which the radio tag is immersed. This radio tag includes transducer material chosen from a group made up of a thermal shape-memory material, a magnetostrictive material and a magnetic shape-memory material.
Commissariat A L'energie Atomique Et Aux Energies Alternatives


06/16/16
20160170200 

Mirror drive device


A mirror drive device is provided as one capable of efficiently gaining a driving force. The mirror drive device 1 has a fixed frame 5; a movable portion 7 supported so as to be swingable relative to the fixed frame 5, through torsion bars 10a, 10b extending on an identical straight line, and being of a circular shape; a mirror 9 arranged on a principal surface 7a of the movable portion 7; and a permanent magnet 3 forming a magnetic field around the movable portion 7; the movable portion 7 has a drive coil 12 arranged below the mirror 9; the drive coil 12 is of a 2n-sided polygon shape (where n is an integer of 3 or more) when viewed from a direction orthogonal to the principal surface 7a, at least one side of which is orthogonal to a direction of the magnetic field f..
Hamamatsu Photonics K.k.


06/16/16
20160170071 

Nuclear magnetic resonance (nmr) logging tool calibration


A disclosed nuclear magnetic resonance (nmr) logging tool includes a static magnetic field source. The nmr logging tool also includes a pulsed magnetic field source with an operational range corresponding to a predetermined frequency range and a predetermined amplitude range.
Halliburton Energy Services, Inc.


06/16/16
20160170002 

Magnetic resonance imaging apparatus and image processing method thereof


A magnetic resonance imaging apparatus includes a gradient magnetic field controller which applies a spatial encoding gradient to a plurality of slices and applies a gradient magnetic field in a first direction with respect to the plurality of slices, a radio frequency (rf) receiver which receives respective magnetic resonance signals from each of the plurality of slices undersampled in a second direction different from the first direction, and an image processor which generates a respective magnetic resonance image of each of the plurality of slices based on the magnetic resonance signals received from the plurality of slices.. .
Korea Advanced Institute Of Science And Technology


06/16/16
20160170001 

Magnetic resonance imaging apparatus and magnetic resonance imaging method


The present invention obtains high-quality images even in a case of measurement with a radial sampling method. For this purpose, pre-measurement is performed to extract only a component different for each blade from among shift amounts from among echo signals, and a shift amount in k-space of an echo signal by the said component is reflected to a reconstruction process.
Hitachi Medical Corporation


06/16/16
20160169999 

Apparatus and magnetic resonance imaging with high spatial temporal resolutions


A magnetic resonance imaging (mri) system, comprising a magnetic resonance imaging scanner. The mr scanner comprises a main magnet providing a substantially uniform main magnetic field b0 for a subject under observation, the subject represented by a spatial distribution of magnetizations; a radio frequency (rf) coil system configured to irradiate a plurality of radio frequency (rf) pulses into a region of interest of the subject and to detect a plurality of rf response signals emitted from the region of interest; a gradient coil system configured to provide a perturbation of the main magnetic field b0 using a gradient pulse sequence that causes the rf response signals to encode the spatial distribution of magnetizations in a fourier domain on a plurality of read-out paths; and a controller in communication with the rf coil system and the gradient coil system to synchronously provide the rf coil system with the plurality of rf pulses and the gradient coil system with the gradient pulse sequence.

06/16/16
20160169998 

Method for creating hyperpolarization at microtesla magnetic fields


Provided are methods for nuclear spin polarization enhancement via signal amplification by reversible exchange at very low magnetic fields.. .
Board Of Trustees Of Southern Illinois University


06/16/16
20160169990 

Laminate design-based radio frequency coil unit for mri


A radio frequency coil unit (10) for use in a magnetic resonance imaging system, the radio frequency coil unit (10) comprising: at least one electrically insulating substrate (18); at least one radio frequency coil member (12) disposed at a first side (22) of the electrically insulating substrate (18); a first capacitor member (26) disposed at the first side (22) of the electrically insulating substrate (18) and galvanically connected to the at least one radio frequency coil member (12); a second capacitor member (28) disposed at a second side (24) of the electrically insulating substrate (18) which is opposite of the first side (22); wherein the first capacitor member (26) and the second capacitor member (28) at least partially overlap in a direction (20) perpendicular to a sur face of the electrically insulating substrate (18); and wherein the at least one radio frequency coil member (12), the first capacitor member (26) and the second capacitor member (28) are part of a radio frequency resonance circuit having a resonance frequency that coincides with the larmor frequency, which is determined by a magnetic field strength of the magnetic resonance imaging system and the species of nuclei under investigation. The capacitor structure at the second side of the substrate has an integrated resonant loop structure of which the resoance properties are indicative of the capacitor values formed by the overlapping capacitor members..
Koninklijke Philips N.v.


06/16/16
20160169989 

Magnetic field measuring apparatus


An object of the present invention is to provide a technique to improve a manufacturing yield of a gas cell included in a magnetic field measuring apparatus. A gas cell gc according to an embodiment is characterized in that, for example, a cavity cav includes an opening op1 and an opening op2, a plane size of the opening op1 becomes larger than a plane size of the opening op2 in the openings op1 and op2 included in the cavity cav.
Hitachi, Ltd.


06/16/16
20160169987 

Single magnetoresistor tmr magnetic field sensor chip and magnetic currency detector head


A single magnetoresistor tmr magnetic field sensor chip and magnetic currency detector head; the single magnetoresistor tmr magnetic field sensor chip is installed above a magnetic excitation element; the sensing direction of the chip is parallel to the surface of the chip, and the direction of the magnetic excitation field generated at the chip by the magnetic excitation element is perpendicular to the surface of the chip; the chip comprises a substrate, a magnetic biasing structure deposited on the substrate, a magnetoresistive element, and an input/output terminal; the magnetoresistive element consists of mtjs; the sensing directions of the magnetoresistive element and the mtjs are the same as the sensing direction of the chip; and the direction of a bias magnetic field generated on the chip by the magnetic biasing structure is perpendicular to the sensing direction of the chip. The chip features high sensitivity, high signal-to-noise ratio, small size, high temperature stability and high reliability..
Multimension Technology Co., Ltd.


06/16/16
20160169985 

Multicomponent magnetic field sensor


A magnetic field sensor apparatus for determining two or three components of a magnetic field includes at least one wheatstone bridge with two half-bridges, wherein each half-bridge includes at least two bridge resistors, and at least one of the two bridge resistors is a magnetic-field-sensitive resistor with respect to a magnetic field component in an x/y magnetic field sensor plane, arranged symmetrically between the two magnetic-field-sensitive bridge resistors is a ferromagnetic flux concentration element which generates magnetic field components which are anti-symmetric with respect to a z magnetic field component oriented perpendicular to the x/y magnetic field sensor plane and are in the x/y magnetic field sensor plane. A coordinate aspect proposes a method for determining a two-dimensional three-dimensional orientation of an external magnetic field by such a magnetic field sensor apparatus..
Sensitec Gmbh


06/16/16
20160169984 

Magnetic field sensor


A bias magnetic field sensor is disclosed. In an embodiment, a bias magnetic field sensor includes a magnetic field sensor package having a magnetic body attached to only a single side of the sensor package, wherein the magnetic body is configured to provide a magnetic field, and wherein the sensor package is configured to measure a modulation of the magnetic field by a generator object..
Infineon Technologies Ag


06/16/16
20160169983 

Magnetic sensing apparatus and magnetic sensing method thereof


A magnetic sensing apparatus and a magnetic sensing method thereof are provided. The magnetic sensing apparatus includes a reference magnetic field (mf) generating unit, a mf sensing unit, a signal processing unit, a calibration unit and a frequency generating unit.
Industrial Technology Research Institute


06/16/16
20160169982 

Single chip push-pull bridge-type magnetic field sensor


A single chip push-pull bridge-type magnetic field sensor. The sensor comprises a substrate, bonding pads, magnetoresistance sensing elements, and flux concentrators, wherein the magnetoresistance sensing elements are positioned in the clearances of the adjacent flux concentrators, and the directions of the pinning layers of the magnetoresistance sensing elements are identical.
Multidimension Technology Co., Ltd


06/16/16
20160169940 

Magnetic field current sensors


Embodiments related to magnetic current sensors, systems and methods. In an embodiment, a magnetic current sensor integrated in an integrated circuit (ic) and housed in an ic package comprises an ic die formed to present at least three magnetic sense elements on a first surface, a conductor, and at least one slot formed in the conductor, wherein a first end of the at least one slot and at least one of the magnetic sense elements are relatively positioned such that the at least one of the magnetic sense elements is configured to sense an increased magnetic field induced in the conductor proximate the first end of the at least one slot..
Infineon Technologies Ag


06/16/16
20160169838 

Systems and methods for improved physiological monitoring


A system and method for monitoring a subject are presented. The system includes a sensing device including at least one magnetic source to generate a magnetic field and an array of magnetic sensors disposed within the magnetic field.
General Electric Company


06/16/16
20160169706 

Angular orientation sensor and corresponding methods and devices


A sensor for sensing an angular orientation of a magnet producing a magnetic field includes a sensing unit having n≧2 magnetic field sensing devices mfsd; a scanning circuit for repeatedly sequentially probing at least two of the mfsds and concatenating signals outputted by the respective mfsds for obtaining a magnetic signal; a magnet-signal output for outputting the magnetic signal; and a reference output for outputting a reference signal independent of the magnetic field. The sensor includes a first signal processing unit spu1 and a second signal processing unit which are identically constructed, each having an input and an output; a phase detection unit pdu having a first input pdu1 and a second input pdu2, for deriving phase differences between inputted signals, and for outputting a signal related to the angular orientation..
Mps Tech Switzerland SÀrl


06/16/16
20160169657 

System for measuring the thickness of a liner layer of a tire


A system is provided for measuring a thickness of a rubber layer of a tire. The layer includes a joined face, which is joined to an adjacent metallic reinforcement, and a free face in contact with air.
Michelin Recherche Et Technique S.a.


06/16/16
20160169280 

Self-sensing active magnetic bearing systems and methods


One embodiment describes a rotary machine system, which includes a stator with a first tooth, a second tooth, a third tooth, and a fourth tooth; a first electromagnet that includes a first electromagnet wire wrapped around the second tooth and the third tooth and that generates a first magnetic field to attract a drive shaft; a first integrated position sensor, which includes a first sensor wire that carries a first current wrapped around the first tooth and the second tooth; a second integrated sensor, which includes a second sensor wire that carries a second current wrapped around the third tooth and the fourth tooth; and a controller that determines current position of the drive shaft based at least on change of inductance of the first sensor wire and the second sensor wire, and that instructs the first electromagnet to adjust magnitude of the first magnetic field based at least in part on the current position.. .
General Electric Company


06/16/16
20160169215 

Magnetic rotational to linear actuator for well pumps


A well pump includes a plunger reciprocally carried within a barrel between up stroke and down stroke positions. A tubular linear actuator housing located below the barrel has a rotatable rotor.
Baker Hughes Incorporated


06/16/16
20160168988 

Non-invasive compressibility and in situ density testing of a fluid sample in a sealed chamber


In situ density and compressibility of a fluid sample are determined for a fluid sample collected downhole. The density and compressibility of the fluid sampled is determined by measuring a distance to a piston contained within the sample chamber using an external magnetic field sensor that senses a magnetic field emanating from a magnet provided on the piston internal to the sample chamber.
Halliburton Energy Services, Inc.


06/16/16
20160168987 

Non-invasive compressibility and in situ density testing of a fluid sample in a sealed chamber


In situ density and compressibility of a fluid sample are determined for a fluid sample collected downhole. The density and compressibility of the fluid sampled is determined by measuring a distance to a piston contained within the sample chamber using an external magnetic field sensor that senses a magnetic field emanating from a magnet provided on the piston internal to the sample chamber.
Halliburton Energy Services, Inc.


06/16/16
20160168957 

Magnetic field disruption for in-well power conversion


The system invention is based on the use of electromagnetics that convert flow and mechanical motion into electrical power. The system is housed in a side pocket mandrel.
Tubel, Llc.


06/16/16
20160168891 

Door latch system with integrated magnet


A door latch includes an integral magnet. The door latch may be installed in a door panel.
Lippert Components, Inc.


06/16/16
20160168660 

Anisotropic complex sintered magnet comprising mnbi which has improved magnetic properties and preparing the same


The present invention relates to a method of preparing an anisotropic complex sintered magnet having mnbi, that includes: (a) preparing a non-magnetic phase mnbi-based ribbon by a rapidly solidification process (rsp); (b) heat treating the non-magnetic phase mnbi-based ribbon to convert the non-magnetic phase mnbi-based ribbon into a magnetic phase mnbi-based ribbon; (c) grinding the magnetic phase mnbi-based ribbon to form a mnbi hard magnetic phase powder; (d) mixing the mnbi hard magnetic phase powder with a rare-earth hard magnetic phase powder; (e) magnetic field molding the mixture obtained in step (d) by applying an external magnetic field to form a molded article; and (f) sintering the molded article.. .
Lg Electronics Inc.


06/16/16
20160168578 

Methods and devices for electromagnetic ligation of nucleic acids and electromagnetic transformation of cells


Described herein are methods and devices for ligating nucleic acids or nucleic acid fragments as well as methods for transforming or transfecting cells with exogenous dna. The methods and devices generally involve exposing the nucleic acids, nucleic acid fragments, and/or cells to an electromagnetic field, for example, a mini-current electromagnetic field, while performing the steps of ligation or transformation.
Internationl Park Of Creativity


06/16/16
20160167986 

Systems and methods for reducing corrosion in a reactor system using electromagentic fields


Systems and methods for reducing corrosion of components of a reactor system, such as a supercritical water gasification system are described. A current carrying element may be arranged about the outside surface of a system component, such as a valve, conduit, heater, pre-heater, reactor vessel, and/or heat exchanger.
Empire Technology Development Llc


06/16/16
20160167978 

A permanent magnetic material


There is presented a method for providing a permanent magnetic material comprising hexagonal ferrites, which method does not necessitate neither large magnetic fields nor organic solvents. The produced permanent magnetic materials have excellent properties, in particular in terms of energy product, such as in terms of energy product and density.
Ocean Team Group A/s


06/16/16
20160167754 

Device for winding and unwinding a cable around a drum


A device for winding and unwinding a cable including a winch comprises a chassis, an electric motor for driving a drum in rotation in relation to the chassis, locking/unlocking means comprising a first induction coil and configured such as to immobilize the drum in relation to the chassis when the first coil is not being powered electrically, the device including a second induction coil that is powered electrically, dimensioned and arranged such that the magnetic field generated by the assembly formed by the first and second coils, when the first coil is powered electrically, is less than the magnetic field generated by the first coil at a point located at a distance from the winch that is greater than a predetermined threshold, the electrical energizing and de-energizing of the second coil being synchronized with the electrical energizing and respectively de-energizing of the first coil.. .
Thales


06/16/16
20160167500 

Electric engine arrangement


An electric engine arrangement includes: a first element arranged in a housing integral with a vehicle to be motorized; a second element which is rotatably mounted coaxially with the first element, and driven by a magnetic field generated between the first and second elements; motion transfer member connected to the first element and second element, the first element being mounted to rotate relative to the housing and the second element.. .

06/16/16
20160167313 

Support structure removal system


A support structure removal system comprising a vessel and a second component. The vessel comprises a vessel body, a porous floor configured to retain a three-dimensional part, and an impeller rotatably mounted below the porous floor.
Stratasys, Inc.


06/16/16
20160166844 

Wearable magnetic device and subjecting a body region to a magnetic field


A wearable magnetic device, a method for subjecting a body region to a magnetic field and a set of parts. The wearable magnetic device comprises a magnetic structure configured to generate a magnetic field in a field area of the device; an auxiliary magnet connected to the magnetic structure and configured to increase the intensity of the magnetic field in the field area of the device; and a fastener; wherein the auxiliary magnet and the fastener are configured to magnetically secure the fastener on a side of the auxiliary magnet facing away from the field area of the device with a piece of fabric or a piece of garment disposed between the auxiliary magnet and the fastener..
Esmo Technologies Pte. Ltd.


06/16/16
20160166133 

Capsule endoscope system


A capsule endoscope system includes: a capsule endoscope configured to be introduced into a subject; a guiding unit that generates a magnetic field to guide the capsule endoscope; a guidance magnetic field control unit that switches between on and off of the magnetic field; a body posture discriminating unit that discriminates a body posture of the subject; a model extracting unit that extracts a body posture model according to the body posture of the subject, from among prepared body posture models, and extracts an organ model according to the body posture of the subject, from among prepared organ models; and a display control unit configured to: superimpose the organ model according to the body posture of the subject, on the extracted body posture model when the magnetic field is on; and display the extracted body posture model and to hide the organ model when the magnetic field is off.. .
Olympus Corporation


06/16/16
20160165875 

Method and a spray system


An improvement to a roadside sprayer fixates spray nozzles on a registration plate. The registration plate may include integral tabs depending on the application.

06/16/16
20160165874 

Method and a spray system


An improvement to a roadside sprayer fixates spray nozzles on a registration plate. The registration plate may include integral tabs depending on the application.

06/09/16
20160165353 

Loudspeaker using contour field hard magnet poles and yoke construction


Several embodiments of the instant invention incorporate a loudspeaker design utilizing hard magnetic poles and yokes. The magnetic field of the loudspeaker is created and guided with a series of critically formed hard magnetic structures guiding the magnetic field from the primary magnet to the gap in a loop of hard magnetic material, replacing the soft magnetic materials normally used.
Cardas Audio Ltd.


06/09/16
20160165323 

Displacement sensor


A unitary displacement sensor includes a circuit, a first device for measuring acceleration, a second device for measuring a magnetic field, a wireless communications module, and a power source coupled to the circuit, the first device, the second device, and wireless communications module such that the circuit is configured to cause the power source to activate the wireless communications module and the second device when a level of acceleration measured by the first device meets or exceeds a predefined threshold level of acceleration and the wireless communications module is configured to transmit a measurement by the second device of the magnetic field.. .

06/09/16
20160165018 

Housing wall


A housing wall for a data communications device includes a metallic and electrically conductive main body. A slotted area having a number of slots is provided in a region of the housing wall, in such a way that in a region of the slotted area the housing wall is permeable to magnetic fields for inductively coupling-in signals for wireless communication..
Ait Austrian Institute Of Technology Gmbh




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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