Follow us on Twitter
twitter icon@FreshPatents


Magnetic Field patents

      

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




 System and  processing solids and liquids patent thumbnailSystem and processing solids and liquids
A magnetic induction heating element is used for outputting a magnetic field corresponding to an electrical current passing through the magnetic induction element. The magnetic induction element is placed close to or attached to a vessel in which a material containing a mixture of solids and liquids is to be processed to reduce the volume of liquid in the solid through evaporation.

 Motor driving circuit and motor component patent thumbnailMotor driving circuit and motor component
A motor driving circuit and a motor component are provided. The motor driving circuit includes a bidirectional alternating current switch connected in series with a motor across two terminals of an external alternating current power supply, where the bidirectional alternating current switch is connected between a first node and a second node; a rectifying circuit; a magnetic sensor, configured to detect a magnetic field of a rotor and output a corresponding magnetic inductive signal; a first voltage drop circuit and a second voltage drop circuit connected in series between the first input terminal of the rectifying circuit and the first node, where there is a third node between the first voltage drop circuit and the second voltage drop circuit, and the first voltage drop circuit is connected between the first node and the third node; a switch circuit connected between the third node and a control terminal of the bidirectional alternating current switch, where the switch circuit includes a first terminal, a second terminal, a control terminal and a switch arranged between the first terminal and the second terminal; and a switch control circuit connected between the control terminal of the switch circuit and an output terminal of the magnetic sensor..
Johnson Electric S.a.


 Magnetic sensor and an integrated circuit patent thumbnailMagnetic sensor and an integrated circuit
The present teaching relates to a method/apparatus for a magnetic sensor. The apparatus of the magnetic sensor resides in a housing and includes an input port and an output port, both extending from the housing.
Johnson Electric S.a.


 Magnetic sensor integrated circuit, motor component and application apparatus patent thumbnailMagnetic sensor integrated circuit, motor component and application apparatus
A magnetic sensor integrated circuit, a motor assembly and an application device are provided. The magnetic sensor integrated circuit includes a magnetic field detection circuit and an output control circuit.
Johnson Electric S.a.


 Magnetic  sensor integrated circuit, motor assembly and application apparatus patent thumbnailMagnetic sensor integrated circuit, motor assembly and application apparatus
A magnetic sensor integrated circuit, a motor and an application apparatus. The magnetic sensor includes a magnetic sensor, a signal processing unit, an output control circuit and an output port.
Johnson Electric S.a.


 Magnetic sensor integrated circuit, motor component and application apparatus patent thumbnailMagnetic sensor integrated circuit, motor component and application apparatus
A magnetic sensor integrated circuit, a motor component and an application apparatus are provided. The integrated circuit includes: an input port, an output port, a magnetic field detection circuit and an output control circuit.
Johnson Electric S.a.


 Apparatus to replicate cloud conditions to form electrical charges in a magnetic field patent thumbnailApparatus to replicate cloud conditions to form electrical charges in a magnetic field
Apparatus to produce electrical charges in a magnetic field includes a housing, a water source, a rotating hollow cylindrical member, and low pressure generation apparatus. The cylindrical member and low pressure generation apparatus form a helical column of ambient air to draw water particles from the water source and rotate the water particles in a generally horizontal plane in the earth's magnetic field..

 Electronic unit and feed system patent thumbnailElectronic unit and feed system
An electronic unit includes: a power receiving section configured to receive electric power fed from a feed unit by using a magnetic field; and a control section configured to perform, when a receiving current supplied from the power receiving section is less than a predetermined threshold current at a time of a light load, current increasing control to increase the receiving current to the threshold current or more.. .
Sony Corporation


 Wireless recharging system for mobile electronic devices patent thumbnailWireless recharging system for mobile electronic devices
A wireless recharging system for mobile electronic devices charges mobile electronic devices wirelessly. The recharging system is comprised of two components.

 Apparatus and  wireless power transfer in furniture patent thumbnailApparatus and wireless power transfer in furniture
An article of furniture having an internal frame and an upholstery covering is provided with at least one transmitting resonator carried by said frame and disposed at least partially beneath said upholstery covering. The resonator is tuned for resonance at a predetermined frequency and driven by a high frequency power source also carried by said frame.
La-z-boy Incorporated


Dipole antenna with micro strip line stub feed

Various embodiments are described that relate to a line feed and a dipole element. The line feed can be supplied directly with a current without a balun.
The Government Of The United States, As Represented By The Secretary Of The Army

Mechanical fuse device

Disclosed herein are efficient mechanical fuse devices that are capable of functioning at high current levels. These devices comprise mechanical features configured such that the fuse devices have a non-triggered state, which allows current to flow through the device, and a triggered state, which does not allow current to flow through the device.
Gigavac, Llc

Simultaneous magnetic balancing of two points

This application relates to devices in which magnets are arranged so that an intensity of a magnetic field emitted by the magnets is substantially the same at a position of interest for at least two discrete positions of the magnets. The application describes how this can be achieved even when the discrete positions are different distances from the position of interest by identifying locations at which magnetic material can be added to balance the field intensity for both discrete locations.
Apple Inc.

Metallic-magnetic-domain-wall-based nonvolatile tunable resistor for memory and sensor applications

Control of electrical conductivity is provided via electrically conductive magnetic domain walls between magnetic domains. The magnetic domains are identical except for their magnetic configuration.
Riken

Thermonuclear dynamo inside ultracentrifuge with supersonic plasma flow stabilization

The proposed novel nuclear fusion concept is unique because it makes use of the self-exciting magnetohydrodynamic dynamo principle for its steady state operation, with the dynamo driven by the heat released from thermonuclear reactions in the fusion plasma. But it also has the potential to reach much larger magnetic fields for confinement and particle number densities than are otherwise possible.

Heat-assisted rotating disk magnetometer for ultra-high anisotropy magnetic measurements

An apparatus comprises a spindle to rotate a magnetic recording medium and a magnetic field generator to expose a track of the medium to a dc magnetic field. The magnetic field generator is configured to saturate the track during an erase mode and reverse the dc magnetic field impinging the track during a writing mode.
Seagate Technology Llc

Device and improving the sound of musical instruments

A device for improving the sound quality of an acoustic musical instrument made of wood provided with a plurality of metallic strings comprises a hollow casing adapted to be placed above the strings of the instrument, a generation circuit housed in the hollow casing for generating an electromagnetic field, a plurality of emitting elements hosed in the hollow casing and connected to the generation circuit to direct the electromagnetic field toward the strings of the instrument, wherein the hollow casing is provided with coupling elements to be mounted on the instrument at a predetermined distance from the strings such as to maintain the emitting elements raised from the strings to induce, without contact, independent vibration thereof by means of the electromagnetic field.. .

Anti-peeping device and control method

The present invention provides an anti-peeping device comprising: a plate-shaped substrate; a magnetic field generating device disposed on the plate-shaped substrate for generating a magnetic field; a plurality of light blocking walls deflectably connected to the plate-shaped substrate and configured to be changeable in its deflecting direction and/or deflecting angle in response to a change in a direction and/or an intensity of the magnetic field; a magnetic field control device; and a user input device for receiving an instruction from a user. The magnetic field control device is configured to control the magnetic field generating device to adjust the direction and/or the intensity of the magnetic field based on an instruction received from the user input device, so as to change the deflecting direction and/or the deflecting angle of the light blocking walls.
Boe Technology Group Co., Ltd.

Three-dimensional focusing device and a microscope

The invention relates to a device (ii) for three-dimensional focusing in a microscope (i) with a given resolution, comprising:—a detector (119) making it possible to determine, in a given measuring plane, a phase and intensity image of an electromagnetic field resulting from the interaction of an incident light wave with a reference object (105) situated in a reference medium with a given index and having a complex refractive index, the real part and/or the imaginary part of which differs from the real part and/or the imaginary part, respectively, of the refractive index of the reference medium;—computation means (121) making it possible to determine a three-dimensional position variation of the reference object (105) from at least one phase and intensity image.. .
Centre National De La Recherche Scientifique

Method and system for measuring total earth's magnetic field for ocean magnetic survey through elimination of geomagnetic disturbance and recording medium therefor

Provided are ocean magnetic survey measurement method and system. The ocean magnetic survey measurement method includes a measuring operation for measuring an earth's magnetic field value using a magnetometer according to a heading angle of a probe, which is measured in clockwise direction on a basis of the true north, while the probe moves along a circular path based on a center point in an exploration target area with the magnetometer taken in tow, a data input operation for receiving, by a calculation unit, data for the heading angle of the probe and data for the earth's magnetic field value measured at the heading angle, a calculating operation for setting, by the calculation unit containing a calculation program therein, a magnetic disturbance value induced by the probe, which is included in the measured earth's magnetic field value, and calculating an actual earth's magnetic field value by subtracting the magnetic disturbance value from the measured earth's magnetic field value..
Korea Institute Of Geoscience And Mineral Resources (kigam)

System and detecting objects

A system and method for locating an object within a structure includes a magnetically-responsive member coupled to the object. A magnetic field generator generates a magnetic field in the presence of the structure.
The Boeing Company

Radio frequency coil assembly for magnetic resonance imaging and magnetic resonance imaging system

A radio frequency (rf) coil assembly for magnetic resonance imaging includes a transmit only (tx only) rf coil to apply an rf signal to an object, and a receive only (rx only) rf coil to receive a magnetic resonance signal from a region of interest of the object excited by the applied rf signal. The tx only rf coil and the rx only rf coil are disposed such that a first center of the tx only rf coil and a second center of the rx only rf coil are spaced apart from each other by a distance identical to a distance between a first peak point of a first magnetic field generated by the tx only rf coil and a second peak point of a second magnetic field generated by the rx only rf coil..
Samsung Electronics Co., Ltd.

Zero echo time mr imaging with sampling of k-space center

The invention relates to a method of mr imaging of an object positioned in an examination volume of a mr device (1). It is an object of the invention to enable ‘silent’ zte imaging with sampling of k-space center.
Koninklijke Philips N.v.

Multifunctional superconducting coil providing electromagnetic interference shielding and shimming for magnetic resonance imaging system

The present invention relates to a magnetic field adjustment system for use in a magnetic resonance imaging (mri) system and a respective method. The magnetic field adjustment system comprises a first magnetic field generating assembly and an additional assembly.
Ge Medical Systems Global Technologycompany, Llc

Magnetic sensor

A magnetic sensor includes: a first magnetic detection element group and a second magnetic detection element group each of which including a plurality of self-pinned magnetoresistive effect elements; and a first control unit and a second control unit configured to respectively process detection signals detected from a magnetic field by the magnetoresistive effect elements of the first magnetic detection element group and the second magnetic detection element group, in which pinned magnetization directions of at least two magnetoresistive effect elements in the first magnetic detection element group and the second magnetic detection element group are different from each other, and the plurality of magnetoresistive effect elements of the first magnetic detection element group and the plurality of magnetoresistive effect elements of the second magnetic detection element group are arranged so that the magnetization directions thereof are symmetrical.. .
Alps Electric Co., Ltd.

Magnetic sensor

A magnetic sensor includes a magnetization fixed layer, a magnetic field detecting layer, and an intermediate layer. The magnetization fixed layer is formed into a thin-film shape, and a magnetization direction of the magnetization fixed layer is fixed in a direction parallel to an in-plane direction.
Tohoku University

Alternating current loss measuring apparatus

An alternating current loss measuring apparatus for superconductors includes a superconductor specimen, a magnetic field applying coil, a radiation shield, a vacuum vessel, first cooling means, and second cooling means. The first cooling means or the second cooling means is provided with a temperature regulating mechanism.
Hitachi, Ltd.

Electronic device and magnetic sensor integrated circuit

An electronic device and a magnetic sensor integrated circuit thereof are provided. The magnetic sensor integrated circuit includes a shell, a semiconductor substrate installed in the shell and a first to a third port extending from the shell.
Johnson Electric S.a.

Vibration-damping electromagnetic actuator, active fluid-filled vibration-damping device and active vibration-damping device using the same

A vibration-damping electromagnetic actuator including: a stator; a movable member displaceable relative to the stator, and being disposed within or about it; a coil member with a coil generating a magnetic field through energization, which is disposed at one of the stator and the movable member; an armature displaceable relative to the coil member by an effect of the magnetic field generated by the coil, which is disposed at the other one of the stator and the movable member; a tubular guide sleeve disposed between the stator and the movable member so that the movable member is slidable along the guide sleeve; and an elastic support body fixed to the guide sleeve being clamped by the stator at a portion of the elastic support body apart from the guide sleeve so that the guide sleeve is elastically supported by the stator.. .
Sumitomo Riko Company Limited

Electric motor and electric pump

An electric pump has a pump body, a pump magnet received in the pump body, an impeller received in the pump body and fixed to the pump magnet, and a disc type electric motor. The electric motor includes a stator, disc type coils fixed to a surface of the stator, a rotor rotatably positioned above the coils, and a circuit board electrically connected to the coils.
Johnson Electric S.a.

Substrate carrier door assemblies, substrate carriers, and methods including magnetic door seal

A substrate carrier door assembly including relatively high sealing force that can be modulated. Substrate carrier door assembly includes a carrier door configured to seal to a carrier body, a first attraction member on the carrier body, and a second attraction member on the carrier door.
Applied Materials, Inc.

High magnetic field assisted pulsed laser deposition system

A type of high magnetic field assisted pld system consisting of pulsed laser and pld cylindrical vacuum chamber inclusive of double-layer clip-sheath cylindrical chamber with water cooling located in the bore hole of superconducting magnet is disclosed. A flange plate in one side of the double-layer clip sheath is equipped with substrate heating table or laser heating table and rotating mechanism; the flange plate in another side is equipped with target components and moving/rotating mechanism.
Hefei Institutes Of Physical Science Of Chinese Academy Of Sciences

Cell magnetic sorting system, sorting apparatus, and treatment device

A cell magnetic sorting system comprises a continuous magnetic cell sorting apparatus. The continuous magnetic cell sorting apparatus comprises a rotating magnetic field generator, a forward solenoid and a reverse solenoid; the forward solenoid and the reverse solenoid surround the rotating magnetic field generator in forward and reverse directions, one end of the forward solenoid is connected to a cell solution source, the other end of the forward solenoid is connected to one end of the reverse solenoid through a t-shaped tube, an inlet of a t-shaped tube is connected to an outlet of the forward solenoid, a first outlet of the t-shaped tube is connected to an inlet of the reverse solenoid, a second outlet of the t-shaped tube is connected to an inlet of the target cell collection container..
Shenzhen Cytorola Biomedical Tech Co., Ltd.

Method and removing contaminants from an aqueous fluid

A method and apparatus for the removal of both suspended and dissolved contaminants in a fluid stream, including but not limited to heavy metals, organics, inorganics, hydrocarbons and others. The method combines passing an aqueous fluid stream through an electromagnetic field, an ozone/oxygen venturi injector for oxidation and through a horizontal flow and vertical fall within a horizontal plate maze unit of alternately electrically charged plates.

Aircraft electrical network

An electrical network for an aircraft. The aircraft includes at least one variable pitch propulsor.
Rolls-royce Plc

Damping device and damping control method

Damper device and method for controlling the damping of a relative movement of two connecting units which can move relative to one another. A controllable damper with a damping valve with a magneto-rheological fluid is provided between the two units for damping relative movements.
Inventus Engineering Gmbh

Devices for producing optical effect layers

The present invention relates to the field of the protection of value documents and value commercial goods. In particular, uthe invention relates to methods of making an optical effect layer (oel) associated with a substrate, the method comprising i) providing a substrate associated with a coating composition comprising magnetic or magnetizable pigment particles; ii) providing a permanent magnet assembly producing a first magnetic field; iii) providing an electromagnet assembly including a winding assembly and drive producing an oscillating or rotating second magnetic field that interacts with the first magnetic field to spin the permanent magnet assembly to rotate the first magnetic field; and iv) applying the first magnetic field whilst the first magnetic field rotates by spinning of the permanent magnet assembly to aggregately orient the magnetic or magnetizable pigment particles to create the optical effect layer.
Sicpa Holding Sa

Imu system for assessing head and torso orientation during physical motion

A method and apparatus for monitoring the head and torso orientation of a subject during physical motion. The method and apparatus employ at least two inertial measurement units (imus) being temporally synchronized with each other and each measuring three degrees of freedom of angular velocity, acceleration, and optionally magnetic field.
The Regents Of The University Of Michigan

Detecting unintentional motor motion and infusion device incorporating same

Apparatus are provided for infusion devices and related systems and operating methods. An exemplary system includes a motor, a sensing arrangement coupled to the motor to provide output indicative of a detected characteristic of the motor when the sensing arrangement is enabled, and a module coupled to the sensing arrangement to periodically enable the sensing arrangement while the motor is idle and detect potential unintended motion of the motor based on the output from the sensing arrangement while periodically enabling the sensing arrangement.
Medtronic Minimed, Inc.

Magnetic measurement system

A magnetic measurement system includes a heart magnetic field sensor that measures a first magnetic field and a second magnetic field, a noise magnetic sensor that measures the second magnetic field, and a magnetic measurement apparatus that computes an approximate value of the second magnetic field in the heart magnetic field sensor by using a measurement value in the noise magnetic sensor and a multi-variable polynomial. The magnetic measurement apparatus subtracts the approximate value of the second magnetic field from a measurement value in the heart magnetic field sensor..
Seiko Epson Corporation

Induction cooking hob

An induction cooking heater including an inductor having a number of magnetic field concentration bars located beneath the inductor. The inductor having the magnetic field concentration bars is supported by a polymeric frame.
Whirlpool Corporation

Method and system of tethered routers

A device and a method including a power supply module operative to extract electric power from magnetic field surrounding an electric cable, a transceiver operative to communicate in a backhaul network, a transceiver for a wireless local area network and/or a remote sensing unit, and a controller module communicatively coupled to the transceiver and/or remote sensing unit, where the device is mounted around a single electric cable of an electric transmission grid or an electric distribution grid, and where the device derives power form the single electric cable.. .
Electrical Grid Monitoring Ltd.

Communication method between a dual interface nfc card inserted into an nfc terminal, and an nfc device

In a general aspect, a method for transmitting data between an nfc card and an external nfc device via a selected interface (e.g., contact or contactless), and further via a contactless interface of the nfc module when the contact interface of the nfc card is selected can include using an nfc card that includes an antenna circuit having an antenna coil with a magnetic axis and an electrically conductive screen extending near the antenna coil. The magnetic axis of the antenna coil can be substantially parallel to a plane defined by the nfc card and not cross the conductive screen.
Inside Secure

Haptic actuator

The present invention relates to a haptic actuator, and the vibrating body includes a first magnet and a second magnet that are disposed on one end of the coil member in the vertical direction to be spaced apart from each other; a third magnet and a second magnet that are disposed on the other end of the coil member in the vertical direction to be spaced apart from each other; a first magnetic body that is mounted on one end of the first magnet and the third magnet in the horizontal direction; a second magnetic body that is mounted on the other end of the second magnet and the fourth magnet in the horizontal direction; and the first weight and the second weight that is mounted the first magnetic body and the second magnetic body respectively, the polarities of the first magnet and the second magnet having a north pole in the direction facing each other and a south pole in the opposite direction thereof, and the polarities of the third magnet and the forth magnet having a north pole in the direction facing each other and a south pole in the opposite direction thereof, a magnetic field lines emanating from the north poles of the first magnet, the second magnet, the third magnet, and the fourth magnet being to be converged to the coil member.. .
Hysonic. Co., Ltd.

Alternator device

An alternator device for converting mechanical energy into electrical energy, including first rotating disk comprising first coils ducts; second rotating disk including second coil ducts; a magnet located intermediate the first and second rotating disks to generate first magnetic field having first magnetic pole at the first coil ducts and second magnetic field having second magnetic pole opposite the first magnetic pole at the second coil ducts; and a coil base intermediate the first and second rotating disks, the coil base to receive coils aligned with the first and second coil ducts; wherein the first and second rotating disks are adapted to rotate along a rotation axis while the magnet and the coil base remain in static position, rotation of the rotating disks enabling a rotational movement of the magnetic fields through the coils for generation of electric current within the coils, and a method of manufacturing such device.. .

Wireless powered television

A wireless power system for powering a television includes a source resonator, configured to generate an oscillating magnetic field, and at least one television component attached to at least one device resonator, wherein the at least one device resonator is configured to wirelessly receive power from the source resonator via the oscillating magnetic field when the distance between the source resonator and the at least one device resonator is more than 5 cm, and wherein at least one television component draws at least 10 watts of power.. .
Witricity Corporation

Foreign object detecting device, wireless power transmitting apparatus, and wireless power transfer system

A foreign object detecting device includes first and second coils, the winding directions of which are the same, and a foreign object detecting circuit. The foreign object detecting circuit outputs a first detecting signal having a first predetermined waveform to a first terminal of the first coil and outputs a second detecting signal having a second predetermined waveform, which has the same polarity as the first predetermined waveform, to a third terminal of the second coil to cause magnetic fields generated from the first and second coils to repel each other.
Panasonic Intellectual Property Management Co., Ltd.

Foreign object detecting device, wireless power transmitting apparatus, and wireless power transfer system

A foreign object detecting device includes first, second, and third coils and a foreign object detecting circuit. The foreign object detecting circuit outputs a first detecting signal having a first predetermined waveform to a first terminal of the first coil and outputs a second detecting signal having a second predetermined waveform, which is an inverted form of the first predetermined waveform, to a fifth terminal of the third coil to cause a combined magnetic field extending over the first and third coils.
Panasonic Intellectual Property Management Co., Ltd.

Device used to reduce electromagnetic radiations

Exemplary embodiments of the present subject matter is directed towards a device used to reduce electromagnetic radiations comprising a electromagnetic resistance sheet including a first layer and a third layer positioned at front and rear portions of the electromagnetic resistance metallic sheet configured to convert received excess radio frequency radiations of electronic signals to electromagnetic field signals and ground the converted electromagnetic field; and cloud signals for avoiding the transmission of radiations into the human body and environment. The first layer and the third layer coated with plurality of chemical elements.
Srihitha Shopping Services Pvt. Ltd

Antenna device and electronic apparatus

An antenna device incorporated in an electronic apparatus to communicate with an external apparatus via an electromagnetic field signal includes a first conductor provided inside a housing of the electronic apparatus and opposing the external apparatus, a loop antenna having an antenna coil conductively coupled to the external apparatus and coiling thereon, a sheet-like second conductor provided as being spaced with a predetermined space from the first conductor and partially overlapping or making contact with a surface of the loop antenna opposite to a surface opposing the external apparatus, and a sheet-like third conductor provided between the first conductor and the second conductor and having one end overlapping or making contact with the first conductor and other end partially overlapping or making contact with the second conductor.. .
Dexerials Corporation

Non-reciprocal circuit element

Favorable isolation characteristics are obtained over a wide band in a non-reciprocal circuit element. A non-reciprocal circuit element includes: a magnetic material 10 to which a dc magnetic field is applied by a permanent magnet; and a plurality of center electrodes disposed on the magnetic material 10 so as to intersect each other in an insulated state.
Murata Manufacturing Co., Ltd.

Systems and methods for activation of trapped field magnets

A system for activating trapped field magnets in a superconducting material may include a superconducting material element and an electromagnet source disposed proximate the superconducting material element. The electromagnet source may be configured to produce a magnetic field pulse sufficient to activate the superconducting material element.
National Oilwell Varco, L.p.

Armature coil for electromagnetic actuator, electromagnetic actuator, exposure apparatus, and device manufacturing method

Disclosed is an armature coil that constitutes a stator of an x-axis linear motor and that generates a magnetic field by passing a current therethrough, the armature coil comprising: a band-shaped electroconductive layer that is made of copper and that is wound around a predetermined winding axis; a band-shaped insulating layer that is provided between opposing surfaces of the electroconductive layer, and that electrically insulates the opposing electroconductive layers from one another; and bonding layer that bonds together the opposing surfaces of the electroconductive layer with the insulating layer therebetween.. .
Nikon Corporation

Multi-port non-volatile memory

A multi-port memory cell including: first and second magnetoresistive elements, each of which is programmable so as to adopt at least two resistive states, in which: the first magnetoresistive element is coupled with a first output line and is programmable by the direction of a current which is passed through same; and the second magnetoresistive element is coupled with a second output line and is arranged so as to be magnetically coupled with the first magnetoresistive element, the second magnetoresistive element being programmable by a magnetic field generated by the first magnetoresistive element.. .
Centre National De La Re-cherche Scientifique

Method for afc shields for multiple sensor magnetic transducers and magnetic transducers having multiple sensors and afc shields

A method and system provide a magnetic transducer having an air-bearing surface (abs). The method includes providing a first shield, a first read sensor, an antiferromagnetically coupled (afc) shield that includes an antiferromagnet, a second read sensor and a second shield.
Western Digital (fremont), Llc

Compact vehicle pedal

A vehicle pedal with a pedal base defining a sensor housing and a pedal arm overlying and spaced from and pivotally coupled to the pedal base. A sensor in the sensor housing includes a sensor element that moves in the direction of the pedal base in response to the movement of the pedal arm to generate an electrical signal used to determine to position of the pedal arm.
Cts Corporation

Fiberoptic tuned-induction sensors for downhole use

A method of sensing electromagnetic (em) fields downhole may include filtering a voltage signal induced in a coil antenna by an em field to produce a filtered signal, said filtering being performed by a resonance tuning filter, and applying the filtered signal to a piezoelectric element to modify a strain of an optical fiber. A sensing system may include a cable deployed downhole and coupled to an interface unit.
Halliburton Energy Services, Inc.

Magnetic resonance pulse sequences and processing

A nuclear magnetic resonance (nmr) apparatus includes a carrier configured to be deployed in a borehole, a magnet assembly configured to generate a static magnetic field in an earth formation, and at least one transmitting assembly configured to generate an oscillating magnetic field in a volume of interest within the formation. The apparatus also includes a pulse generator configured to apply a direct-echo pulse sequence to the at least one transmitting assembly, the direct-echo pulse sequence having a plurality of successive pulses including a first pulse and a second pulse configured to generate a first direct nmr echo, and a third pulse, the third pulse selected to at least partially separate a stimulated nmr echo from a second direct nmr echo occurring after the third pulse.
Baker Hughes Incorporated

Arrangement for modifying a main magnetic field and producing such an arrangement

A carrier structure (2) of an arrangement (1) for modifying a main magnetic field generated in a magnetic resonance tomograph from multiple carrier elements (3, 37). A conductor arrangement (4) is respectively arranged on each carrier element (3, 37).
Albert-ludwigs-universitat Freiburg

Gas cell and magnetic field measuring apparatus

A magnetic field measuring apparatus comprises a gas cell, an irradiation unit and a detection unit. The gas cell includes walls forming a closed space, a carbon film on the inner surfaces of the walls, and atoms that are enclosed in the closed space.
Seiko Epson Corporation

Fluxgate magnetic field detection method and circuit

A circuit and method for magnetic field detection is disclosed. A fluxgate sensor comprises a fluxgate having a first core and a second core.
Texas Instruments Deutschland Gmbh

Corruption detection and smart reset of ferromagnetic structures in magnetic field sensors

A sensor package includes a magnetic field sensor and a corruption detection and reset subsystem. The magnetic field sensor has a magnetic sense element and a ferromagnetic structure characterized by a baseline magnetic state.
Freescale Semiconductor, Inc.

Scanner high-resolution spatial scanning of an electromagnetic field radiated by an electronic device under test

A scanner system and method operable for high-resolution spatial scanning of an electromagnetic field radiated by an electronic device under test (dut) are provided. The electromagnetic field level radiated by the dut is measured with a probe array comprising a plurality of spatially separated switched probes, an analyzer, and a computer.
Emscan Corporation

Methods and systems relating to ac current measurements

Accurate measurements of electrical power at various points of a power grid is becoming more important and, at the same time, is getting more difficult as the old power distribution model of a few, large power generating stations and a multitude of relatively linear loads is replaced by a newer model containing a multitude of smaller, and to some degree unpredictable power sources, as well as a multitude of not always linear and often smart (essentially also unpredictable) loads. Embodiments of the invention provide for management of ac current measurements in the presence of a dc current.
Guildline Instruments Limited

Magnetic position detection device and magnetic position detection method

A magnetic position detection device configured to detect a relative movement position of a magnetic encoder, which includes n-magnetic poles and s-magnetic poles arranged alternately in a moving direction, by a magnetosensitive portion as a change in direction of a magnetic field from the encoder. As the magnetosensitive portion, direction detection type magnetoresistive elements are arranged, which each have a resistance value that changes depending on a direction of an applied magnetic field.
Mitsubishi Electric Corporation

Discrete magnetic angle sensor device, a magnetic angle sensor arrangement, a generating an angle signal and a providing a sensor signal

A discrete magnetic angle sensor device according to an embodiment includes a first magnetic field gradiometer and a second magnetic field gradiometer. The first magnetic field gradiometer and the second magnetic field gradiometer are of different types of a group of gradiometer types.
Infineon Technologies Ag

Sensing of a magnetic target

An apparatus comprises a magnetic target for generating a magnetic field that is uniform and concentric about a central axis of the target; an array of three-axis digital magnetic compasses for sensing the magnetic field; and a processor for finding intersection points of vectors from the compasses to the target. The vectors lie in a global x-y plane that is normal to the central axis.
The Boeing Company

Vehicle active damper

A vehicle active clamper includes a damping actuator that is provided between a radiator and a vehicle body so as to be interposed in a substantially vertical direction, and a coupling member that elastically couples between the vehicle body and an engine. The damping actuator is formed from a elastic modulus-variable member having an elastic modulus that varies according to the strength of an applied magnetic field.
Honda Motor Co., Ltd.

Magnetorheological fluid clutch apparatus and control systems

A magnetorheological fluid clutch apparatus comprises an input rotor adapted to be coupled to a power input, the input rotor having a first set of at least one input shear surface, and a second set of at least one output shear surface. An output rotor is rotatably mounted about the input rotor for rotating about a common axis with the input rotor, the output rotor having a first set of at least one output shear surface, and a second set of at least one output shear surface, the first sets of the input rotor and the output rotor separated by at least a first annular space and forming a first transmission set, the second sets of the input rotor and the output rotor separated by at least a second annular space and forming a second transmission set.
SociÉtÉ De Commercialisation Des Produits Des Laé Recherche AppliquÉe Socpra Sciences Et GÉnie S.e.

Magnetic sensor rotation and orientation about drill

A drilling system, comprising a drill string; and a ranging tool mounted on the drill string, the ranging tool comprising a magnetic sensor pair comprising a first magnetic sensor and a second magnetic sensor mounted radially opposite one another on the ranging tool, wherein each of the magnetic sensors is structured and configured to detect at least a radial component and a tangential component of a magnetic field; a rotatable assembly, comprising a motor structured and arranged to actuate rotation of the magnetic sensor pair around the drill string; and an electronics package connected to at least one of the magnetic sensor pair, and the motor, wherein the electronics package comprises a controller and a wireless telemetry device.. .
Halliburton Energy Services, Inc.

Cylindrical rotating magnetron sputtering cathode device and depositing material using radio frequency emissions

A rotating magnetron sputtering cathode apparatus comprising a radio frequency power supply, a power delivery assembly, a cylindrical rotating cathode, a shaft and a drive motor, wherein the power delivery assembly comprises a magnetic field source positioned within the cathode and an electrode extending within said cathode to transmit radio frequency energy to target material on the outer surface of the cathode. The electrode is electrically isolated from the shaft, and is formed from non-ferrous materials, and the shaft is mechanically connected to the cathode such that they remain electrically isolated while the cathode rotates about the magnetic field source and a portion of the electrode.
Mustang Vacuum Systems, Inc.

Apparatus for detecting torque and steering system having the same

The present invention relates to a torque measuring device, the torque measuring device including a stator arranged at an inner surface of a housing, a magnet distantly arranged with the stator at a predetermined gap, a sensing unit detecting a magnetic field generated from between the stator and the magnet, and a non-magnetic stator holder integrally formed with a stator fixture fixed by the stator and a shaft fixture fixed by a shaft, whereby manufacturing cost can be minimized, and defects generated in the course of manufacturing process can be minimized.. .
Lg Innotek Co., Ltd.

Method for producing b4c/al neutron-absorbing material sheet by continuous cast rolling

The present invention provides a method for producing b4c/al neutron-absorbing material sheet by continuous cast rolling including the steps of: 1) providing b4c particles and aluminum matrix melt, adding the b4c particles into the aluminum matrix melt while stirring the composite of the b4c particles and the aluminum matrix melt; 2) applying an electromagnetic field to the b4c particle-containing aluminum matrix melt passing through a headbox; 3) applying an ultrasonic vibration to the b4c particle-containing aluminum matrix melt passing through a casting nozzle; and 4) conducing twin roll continuous cast rolling on the b4c particle-containing aluminum matrix melt from the casting nozzle to obtain b4c/al neutron-absorbing material sheet. The method of the present invention uses twin roll continuous cast rolling under coupled ultrasonic and electromagnetic oscillation to rapidly cool and refine the grains of the solidified composite material and realize uniform distribution of b4c particles in the aluminum matrix..
China General Nuclear Power Group

Gravity recovery recovery of heavy metals from sands and gravels

A magnetic field system for producing an interruptible geometrically patterned magnetic field at a surface, including a surface member including a surface, a magnetic member situated exterior to the surface member, including a geometrically patterned array of magnets, the magnetic member being reversibly mounted in sufficient proximity to the surface member to produce a corresponding geometrically patterned magnetic field extending through the surface, the geometrically patterned array of magnets including magnets selected form the group consisting of permanent magnets, electromagnets, and a combination thereof, the geometrically patterned magnetic field being interruptible by the removal of the magnetic member to a location sufficiently distant from the surface member to withdraw the geometrically patterned magnetic field from the surface, or by the depowering of the powered electromagnets. A gravity separation system for separating and recovering metal particles from a liquid stream of suspended particles to be separated.

Uni-polar rotating electromagnetic medical apparatus and methods of use

Apparatus and methods for providing uni-polar pulsed magnetic field therapies for various medical conditions are disclosed. The apparatus produces the pulsed uni-polar magnetic field by repeatedly moving at least one very strong permanent magnet through a prescribed path (e.g., a circular path) over an anatomic region of interest in the patient.

Location control system

The embodiment of the present invention provides a position control system having a movement apparatus including an electromagnet capable of applying a magnetic field to a head and a movement control unit; and a position detection apparatus being capable of determining a position of a mark existing on the head or in a tip end side position of a pipe which is attached to the head with a tip end thereof open and through which a liquid can be injected or suctioned via an opening portion in the tip end, the position detection apparatus being capable of detecting a position of the head on the basis of the position of the mark, the movement control unit of the movement apparatus is capable of controlling an advancement direction of the head so that the pipe is inserted substantially linearly into a target position.. .

Field coil unit and position detection system

The invention relates to a mobile field coil unit for a medical system for detecting the position of a patient, medical equipment and/or prostheses in an operating area, wherein the field coil unit is designed to emit or receive an alternating electromagnetic field. The field coil unit can be arranged movably on the patient or in an area next to the patient for operation as intended, wherein the field coil unit has an outer contour on at least one placement side, which outer contour is designed to surround an object or a part of a patient laterally in order to prevent lateral sliding between the field coil unit and the object or part of the patient.
Fiagon Ag Medical Technologies

A removing lactose from a solution

The invention provides protein-functionalised magnetic nanoparticles comprising magnetic nanoparticles (mnps) to which a lactose-binding protein or enzyme has been immobilized. The protein-functionalised magnetic nanoparticles are particularly suitable for separating lactose from a lactose-containing solution, such as milk, cheese, yoghurt, flavoured milk or the like.
Stellenbosch University

Electromagnetic heat transfer circuit

A heat transfer circuit includes a fluid flow passageway, a heat transfer fluid, a reservoir, at least one electromagnetic field coil, and a control module. The heat transfer fluid is disposed within the fluid flow passageway and includes at least one magnetic component.
Schneider Electric It Corporation

Wireless communication assembly

A wireless communication assembly includes a driver module connected to a first portion of a machine, such as a laundry machine, and a receiver module connected to a second portion of the machine, such as a rotatable drum. The first module includes a primary coil configured to generate an electromagnetic field and a first wireless transceiver.
Dexter Laundry, Inc.

Magnetic structures for filtering amplifier outputs

The technology described in this document can be embodied in an apparatus that includes at least four magnetic cores, wherein each core is for supporting an inductor of a filter circuit. Each of the cores include a first section, and a second section separated from the first section by an adhesive layer.
Bose Corporation

Magnetic engine

The present invention relates to a motor for the transformation of electrical energy into mechanical motion, comprising: • at least one subsystem called “inducer” which includes a sequence of individually controllable electromagnets and interspersed with non-ferromagnetic elements, • at least one subsystem called “induced” which includes ferromagnetic material, • at least one source of power supply to provide electric current to each electromagnet, in which “inducer” and “induced” subsystems or can rotate about at least one axis of rotation. The rotation is due to the torques generated in succession by the magnetic fields of the electromagnets in the neighborhood of the contact point or the minimum distance between the two subsystems.
Navis S.r.l.

Single-phase outer-rotor motor and electric apparatus having the same

A single-phase outer-rotor motor includes a stator and a rotor. The stator includes a stator core with windings wound thereon.
Johnson Electric S.a.

Methods and out of phase field mitigation

This invention describes a method and apparatus for providing wireless power. The methods and systems disclosed consist of a first coil having at least one loop forming an inner area inside boundaries of the at least one loop and an outer area outside the boundaries of the at least one loop, the first coil configured to generate a first alternating magnetic field for charging or powering a wireless power device, the first alternating magnetic field having a first magnetic field component with a first phase in the inner area, the first alternating magnetic field also having a second magnetic field component with a second phase in the outer area, and the second phase different from the first phase.
Qualcomm Incorporated

Advanced convectively-cooled inductive charging

An information handling system (ihs) includes a base station that has a transmitter coil to generate a magnetic field for charging a portable power source of a battery-powered electronic device. A receiver coil magnetically receives power from the transmitter coil of the base station.
Dell Products, L.p.

Methods and systems for magnetic coupling

Systems and methods for magnetic coupling. One system includes an external computing device and a connector having a conductive end.
Joylabz Llc

Battery pack having a plurality of electrochemical battery cells having a device for measuring a difference between two cell currents of two different battery cells

The invention relates to a battery pack having a plurality of electrochemical battery cells, comprising a device for measuring a difference between two cell currents of two different battery cells, wherein a first battery cell has a first wound element, consisting of a first electrode layer and a second electrode layer, which causes a first magnetic field via a first of the cell currents, and a second battery cell has a second wound element, consisting of a third electrode layer and a fourth electrode layer, which causes a second magnetic field via a second of the cell currents, wherein the first and the second wound elements are arranged relative to each other such that the first magnetic field counteracts the second magnetic field in the case of the first and second cell current being rectified, wherein the battery pack additionally comprises a magnetic field sensor which is configured to measure a superimposed field consisting of the first magnetic field and the second magnetic field, and comprises an evaluating unit which is configured to determine a difference between the first and the second cell current from the measured superimposed field.. .
Robert Bosch Gmbh

Magnetic memory device

A magnetic memory device includes a semiconductor substrate; a magnetoresistive element provided on the semiconductor substrate. The magnetoresistive element includes a storage layer, a tunnel barrier layer, and a reference layer which are stacked, the reference layer having a magnetization direction perpendicular to a principal surface of the semiconductor substrate.
Kabushiki Kaisha Toshiba

Application of piezo technology to convert alternating current (ac) line power to isolated direct current (dc) power in high external magnetic fields

A system (10) and a method (200) supply power in high external magnetic fields. Alternating current (ac) line power is converted (202) to isolated power using one or more piezoelectric transformers (18).
Koninklijke Philips N.v.

Charged particle beam device

A processing apparatus and a processing method are provided, which use a charged particle beam device that achieves defection of secondary electrons/reflected electrons at a large angle and cancels out noises of an electromagnetic deflector and an electrostatic deflector to suppress a position shift of a primary electron beam caused by circuit noises of a primary beam/secondary beam separation circuit. In the charged particle beam device that includes an electronic optical system radiating a concentrated electron beam onto a sample placed on a stage to perform scanning and captures an image of the sample, a reference signal and a signal generation unit of a voltage-source control signal applied to the electrostatic deflector generating the electrostatic deflector and a reference signal and a signal generation unit of a current-source control signal applied to the electromagnetic deflector generating a magnetic field are made common in an overlapping-electromagnetic-deflector control unit that controls a path of the secondary electrons/reflected electrons incident on a detector, and frequency characteristics and phase characteristics of the voltage control signal are coincident with those of the current-source control signal..
Hitachi High-technologies Corporation

A contact for a high-voltage vacuum arc extinguishing chamber

The invention provides a contact for a high-voltage vacuum arc extinguishing chamber. The contact of the invention includes a conductive connecting piece, an annular outer contact and an inner contact which is located within the ring of the outer contact and does not contact with the outer contact.
Zhejiang Ziguang Electric Appliance Co., Ltd

Formation of a field reversed configuration for magnetic and electrostatic confinement of plasma

A system and method for containing plasma and forming a field reversed configuration (frc) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the frc. Further, the electrons are contained electrostatically in a deep energy well, created by tuning an externally applied magnetic field.
The Regents Of The University Of California

Vehicle detection system

A vehicle detection system (1) comprising at least one detection unit (2). Each detection unit corresponds to a detection volume (sn) and each detection unit comprises at least two spaced-apart magnetic field sensors including first and second magnetic field sensors (6a, 6b; fig.
Centro De Cálculo Igs Software, S.l.

Device for transforming an electromagnetic field

The invention relates to a magnetic field transformation device comprising a battery, a processing unit, an antenna coupled with the processing unit and capable of exchanging data according to the standard iso14443, a coil coupled with the processing unit and capable of radiating a low-frequency electromagnetic field corresponding to a succession of bits emulating the passing of a magnetic stripe.. .
Gemalto Sa

Computer and computation program

A classical technique relying on thermodynamics is used, and spin sj, which is a variable, is made to follow a local effective magnetic field bj to bring a system to a ground state of a problem-setting system. The ground state is a solution thereof.
Hitachi, Ltd.

Fixing device

Disclosed is a cylindrical rotary member including a conductive layer; a coil disposed inside the rotary member, the coil including a helical portion having a helical axis that is substantially parallel to a generatrix direction of the rotary member, the coil forming an alternating magnetic field to generate heat in the conductive layer by electromagnetic induction; a core disposed inside the helical portion, the core inducing a line of magnetic force of the alternating magnetic field; a roller coming in contact with an outer surface of the rotary member to form a fixing nip portion; and a metal stay disposed inside the rotary member, in which an image on a recording material is fixed to the recording material by being heated at the fixing nip portion and the stay is disposed outside the coil and has a shape that does not form an electrical loop around the coil.. .
Canon Kabushiki Kaisha

Holographic mode conversion for transmission lines

The present disclosure provides systems and methods associated with mode conversion for electromagnetic field modification. A mode converting structure (holographic metamaterial) is formed with a distribution of dielectric constants chosen to convert an electromagnetic radiation pattern from a first mode to a second mode to attain a target electromagnetic radiation pattern that is different from the input electromagnetic radiation pattern.
Elwha Llc

Method and reconstructing magnetic resonance images with phase noise-dependent selection of raw data

In a method and magnetic resonance (mr) apparatus for producing an mr image of a subject, mr signals are acquired respectively with multiple mr signal reception channels, and with an ultra-high basic magnetic field in the mr data acquisition scanner. Each of the acquired mr signals has a phase and exhibiting phase noise, and the acquired mr signals from the multiple mr signal reception channels are entered into a computer, as raw data in which said phase noise is preserved.
Siemens Healthcare Gmbh

Magnetic field sensing apparatus and magnetic field sensing module

A magnetic field sensing apparatus including a substrate, first, second, and third magnetic field sensing units, and a switching circuit is provided. The substrate has a surface, and has a first inclined surface and a second inclined surface.
Isentek Inc.

Single chip referenced bridge magnetic sensor for high-intensity magnetic field

A single chip referenced bridge type magnetic field sensor for high-intensity magnetic field, the sensor comprises a substrate, a reference arm, a sense arm, shielding structures and attenuators. Wherein the reference arms and the sense arms comprise at least two rows/columns of reference element strings and sense element strings which comprise one or more identical electrically interconnected magnetoresistive sense elements; the reference element strings and the sense element strings are mutually interleaved, each reference element string is designed with a shielding structure on top of it, and each sense element string is designed with an attenuator on top of it.
Multidimension Technology Co., Ltd.

Current sensor with stray magnetic field rejection

An electrical bus bar system (10) is provided for mounting a plurality of current sensor devices (12) in dose proximity to each other, each of the current sensor devices (12) having a sense axis (14). The system includes a plurality of elongate bus bars (16) extending along longitudinal axes (18) parallel to each other.
Honeywell International Inc.

Current transducer with integrated primary conductor bar

An electrical current transducer is disclosed which includes a primary conductor bar for carrying the current to be measured, a magnetic core having a magnetic circuit gap, a magnetic field sensor having a magnetic field detector positioned in the magnetic circuit gap, and an insulating housing surrounding the magnetic core and magnetic field sensor. The primary conductor bar has connection terminal ends extending outside of the housing configured for connection to an external primary conductor.
Lem Intellectual Property Sa

Separating target analytes using alternating magnetic fields

The invention generally relates to using magnetic particles and alternating magnet fields to separate a target analyte from a sample. In certain embodiments, methods of the invention involve contacting a sample with magnetic particles including first moieties specific for a target analyte, thereby forming target/particle complexes in the sample, flowing the sample through a channel including second moieties attached to at least one surface of the channel, applying alternating magnetic fields to the flowing sample to result in target/particle complexes being brought into proximity of the surface to bind the second moieties and unbound particles remaining free in the sample, binding the target/particle complexes to the second moieties, and washing away unbound particles and unbound analytes of the sample..
Dna Electronics, Inc.

Arrangement for measuring a force or a torque on a machine element

The present invention relates to an arrangement for measuring a force and/or a torque on a machine element extending in an axis, using the inverse magnetostrictive effect. The machine element has at least one permanent magnetization.
Schaeffler Technologies Ag & Co. Kg

System and synchronously switching electrical phases of a permanent magnet synchronous motor

Systems and methods of synchronously switching electrical phases of a permanent magnet synchronous motor are provided. Some embodiments can include switching the phase of the motor by employing an encoder that includes a tone wheel affixed to a rotor such that the tone wheel redirects a magnetic field away from hall effect sensors in a timed manner..
Metropolitan Industries, Inc.

Axial and perpendicular angle sensor in single package

Embodiments relate to magnetic field angle sensors that utilize axial and perpendicular sensors collectively to infer a rotational angle. In embodiments, a sensor system comprises at least one axial sensor unit and at least one perpendicular sensor unit arranged in a single sensor package or on a single substrate.
Infineon Technologies Ag



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


  • Follow us on Twitter
    twitter icon@FreshPatents

    ###

    This listing is a sample listing of patent applications related to Magnetic Field for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Magnetic Field with additional patents listed. Browse our RSS directory or Search for other possible listings.


    2.3087

    file did exist - 5304

    2 - 1 - 106