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Magnetic Field patents



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


System for performing a magnetic separation procedure

Gen-probe

System for performing a magnetic separation procedure

Identification device for a pneumatic spring

Contitech Luftfedersysteme

Identification device for a pneumatic spring

Identification device for a pneumatic spring

Innovative Micro Technology

Microfabricated magnetic field transducer with flux guide

Date/App# patent app List of recent Magnetic Field-related patents
01/29/15
20150032960
 Electronic devices having semiconductor memory units and  fabricating the same patent thumbnailnew patent Electronic devices having semiconductor memory units and fabricating the same
Electronic devices have a semiconductor memory unit including a magnetization compensation layer in a contact plug. One implementation of the semiconductor memory unit includes a variable resistance element having a stacked structure of a first magnetic layer, a tunnel barrier layer, and a second magnetic layer, and a contact plug arranged in at least one side of the variable resistance element and comprising a magnetization compensation layer.
Sk Hynix Inc.
01/29/15
20150032409
 Method and  calculating azimuth patent thumbnailnew patent Method and calculating azimuth
A method and an apparatus for calculating azimuth, and a method and an apparatus for determining an offset from geomagnetic field are provided. An apparatus for calculating azimuth includes a magnetic sensor configured to sense magnetic field, a data selecting unit configured to select offset data items, an offset calculating unit configured to calculate an offset by a geometrical method that uses the selected offset data items, and an azimuth calculating unit configured to calculate an azimuth by using the calculated offset..
Magnachip Semiconductor, Ltd.
01/29/15
20150032320
 Working  a limited area patent thumbnailnew patent Working a limited area
It is described a working apparatus for a limited working area, comprising a base station configured to generate a magnetic field and a self-propelling robot. The self-propelling robot comprises means for moving the self-propelling robot in the working area, a gyroscope, a magnetic field sensor and a processing unit configured to control the movement of the self-propelling robot.
01/29/15
20150032109
 Implantable dynamic apparatus having an anti jamming feature patent thumbnailnew patent Implantable dynamic apparatus having an anti jamming feature
A bone transport system includes a nail having a proximal end and a distal end, the proximal end configured for securing to a first portion of bone, the distal end configured for securing to a second portion of bone. The system includes a housing having a wall with a longitudinal opening extending a length along a portion thereof.
Ellipse Technologies, Inc.
01/29/15
20150031146
 Tool for annealing of magnetic stacks patent thumbnailnew patent Tool for annealing of magnetic stacks
In one embodiment of the invention, there is provided a tool for annealing a magnetic stack. The tool includes a housing defining a heating chamber; a holding mechanism to hold at least one wafer in a single line within the heating chamber, a heating mechanism to heat the at least one wafer; and a magnetic field generator to generate a magnetic field whose field lines pass through the single line of wafers during a magnetic annealing process; wherein the holding mechanism comprises a wafer support of holding the single line of wafers between the heating mechanism and the magnetic field generator.
Magsil Corporation
01/29/15
20150030280
 Magnetic-free non-reciprocal devices exhibiting non-reciprocity through angular momentum biasing patent thumbnailnew patent Magnetic-free non-reciprocal devices exhibiting non-reciprocity through angular momentum biasing
A non-reciprocal device incorporating metamaterials which exhibit non-reciprocity through angular momentum biasing. The metamaterial, such as a ring resonator, is angular-momentum biased.
Board Of Regents, The University Of Texas System
01/29/15
20150029635
 Low cost electrical stamp patent thumbnailnew patent Low cost electrical stamp
A low cost electrical stamp is provided in the present invention. The low cost electrical stamp includes a magnetic cylinder matrix, a print circuit board (pcb), a control circuit and an interface circuit.
Generalplus Technology Inc.
01/29/15
20150029606
 Micro-electromechanical system (mems) carrier patent thumbnailnew patent Micro-electromechanical system (mems) carrier
A micro-electromechanical system (mems) carrier formed by a typical surface micro-machining and bulk micro-machining process on a silicon substrate, having a frame, a movable carrier element, a conductive coil, two return springs and a pair of permanent magnets. The movable carrier element is formed within the frame and movable along a path, the conductive coil is formed on or embedded in the movable carrier element.
Globalmems Taiwan Corporation Limited
01/29/15
20150029491
 Apparatus for microfluid detection patent thumbnailnew patent Apparatus for microfluid detection
A apparatus for microfluid detection for detecting a sample fluid including a plurality of magnetic particles is provided. The apparatus for microfluid detection includes a microfluidic chip and a magnetic generating module.
Industrial Technology Research Institute
01/29/15
20150028962
 Radio frequency signal splitter and matcher patent thumbnailnew patent Radio frequency signal splitter and matcher
This application relates to systems and methods for splitting a current signal into at least two signals that are out of phase with each other. The power splitter may include a conductive element that may generate standing magnetic field that alternates at specified frequency.
Tokyo Electron Limited
01/29/15
20150028890
new patent

Pavement material microwave moisture-density measurement methods and apparatuses


A portable microwave material gauge for determining the quality of a pavement material is provided. The gauge includes an electromagnetic field generator configured to generate an electric field mode that penetrates into the material wherein the material includes a heterogeneous material including at least one of a pavement material and a soil material, a calibration data set, a sensor of size and shape to support the electric field mode and to determine the response of the pavement material to the electric field wherein determining the response includes determining a change in the permittivity as a function of a change in the quality of the material; and an analyzer configured to correlate the sensor permittivity response to the calibration data set wherein correlating the response includes using stored relationships between the material quality and the sensor response using calibration samples having changes in permittivity as a function of quality..
Troxler Electronic Labs
01/29/15
20150028873
new patent

Magnetic resonance imaging device and rf coil


A lower cost mri device with a portable table detachable from the gantry is provided along with a lower cost table equipped with an easy-to-use and easy-to-install rf coil system able to perform high-resolution head and neck imaging and high-speed whole body imaging in both head-first and feet-first modes. This magnetic resonance imaging device has a portable table detachable from the gantry, and the portable table has a docking connector that can be connected to the gantry and a ceiling panel on which an rf coil can be installed to receive nuclear magnetic resonance signals generated by the examinee and to irradiate the examinee with a high-frequency magnetic field.
Hitachi, Ltd.
01/29/15
20150028871
new patent

Magnetic field probe sealed with a metallic plug


The invention provides for a magnetic field probe (100, 2202) comprising a container (104, 702, 1400, 1500, 1600, 1700, 1800) with a hollow cavity (106, 602). The hollow cavity comprises a duct (110, 700) connecting the hollow cavity with an exterior surface (109, 702) of the container.
Koninklijke Philips N.v.
01/29/15
20150028868
new patent

Local coil for a coil system of a magnetic resonance imaging system


A local coil for a coil system of a magnetic resonance imaging (mri) system having a hot spot formed during operation of the magnetic resonance imaging system provides an mri examination that is as pleasant as possible for a patient with a magnetic field strength that is as strong as possible. The local coil includes a heat dissipation plate arranged in a region of the hot spot..
01/29/15
20150028867
new patent

Method and system for measuring relative velocity between a vehicle and the surrounding atmosphere


A method and system for measuring a vehicle airspeed, wherein a nuclear magnetic resonance, nmr, measurement method is used for obtaining relative velocity between the vehicle and an atmosphere surrounding the vehicle. A groove is arranged at the outside body of an aircraft and the surrounding atmosphere is allowed to pass inside the groove.
01/29/15
20150028863
new patent

Microfabricated magnetic field transducer with flux guide


A microfabricated magnetic field transducer uses a magnetically sensitive structure in combination with one or more permeable magnetic flux guides. The flux guides may route off-axis components of an externally applied magnetic field across the sensitive axis of the magnetically sensitive structure, or may shield the magnetically sensitive structure from off-axis, stray fields or noise sources.
Innovative Micro Technology
01/29/15
20150028859
new patent

Contactless sensing element


Contactless measurement sensor for measuring at least one of a distance to an object to be sensed, a motion with respect to an object to be sensed, a speed with respect to an object to be sensed, a torque applied to an object to be sensed and a force applied to an object to be sensed the contactless measurement sensor comprises a first magnetic field generating unit being adapted for generating a magnetic field towards the object to be sensed, a first magnetic field detector unit being adapted for detecting a first magnetic field which field being generated by the first field generator unit and being influenced by a respective distance, motion, speed, applied torque and applied force to be measured, wherein the first magnetic field detector unit is further adapted for outputting a first signal being representative for the detected magnetic field, and an evaluating unit being adapted for evaluating a signal strength of the first signal and determining the respective distance, motion, speed, applied torque and applied force based on the first signal.. .
Polyresearch Ag
01/29/15
20150028855
new patent

Apparatus for testing magnetic field sensor on wafer and method thereof


An apparatus and a method for testing a magnetic field sensor are provided, in which the method includes arranging a coil for generating a magnetic field, applying the magnetic field to the magnetic field sensor using the coil, and detecting the magnetic field applied to the magnetic field sensor.. .
Magnachip Semiconductor, Ltd.
01/29/15
20150028827
new patent

Transformer core flux control for power management


An electromagnetic device may include a magnetic flux core and an opening through the magnetic flux core. A conductor winding may be received in the opening and extend through the magnetic flux core.
The Boeing Company
01/29/15
20150028800
new patent

Wireless charger equipped with auxiliary power supply and auxiliary power device


A wireless charger equipped with an auxiliary power supply includes a power input unit which is connected to an external power supply, a wireless power transmission unit which wirelessly transmits electrical power to an electronic device through a magnetic field, and an auxiliary power unit which charges a battery provided therein with electrical power supplied from the power input unit, or charges the battery and, at the same time, provides the electrical power to the wireless power transmission unit, and provides the electrical power of the battery provided therein to the wireless power transmission unit when the power supply from the power input unit is stopped.. .
Lg Innotek Co., Ltd.
01/29/15
20150028700
new patent

Electro-magnetic engine with pivoting piston head


An electromagnetic engine including a plurality of pistons and a plurality of corresponding electromagnets. The pistons are each connected to a crankshaft and fabricated of a ferrous material.
Magtricity, Llc
01/29/15
20150028699
new patent

Linear motor having a plurality of sensor units and a modular stator setup


A linear motor, comprises at least one stator device (14) with a plurality of permanent magnets (18, 18-1, 18-2) of different polarity and with at least one carrier rail (24), and at least one rotor device (12) with at least three electrical coils (44) and with at least one supporting means (26), which can be or which is supported on the carrier rail (24) of the stator device (14), wherein the rotor device (12) and the stator device (14) are moveable to and fro with respect to each other along a movement direction (fr) defined by the carrier rail (24) by interaction of magnetic fields of the permanent magnets (18, 18-1, 18-2) with the magnetic fields of the coils (44), through which current flows if required, wherein the stator device (14) is formed from at least one stator module (16-1, 16-2), wherein the stator module (16-1, 16-2) is configured such that a stator device (16) with two or more consecutively arranged stator modules (16-1, 16-2) can be formed, and wherein at the stator module (16-1, 16-2) at least one measurement track (40, 40-1, 40-2, 40-3) scannable by a sensor unit (52-1, 52-2) of the rotor device (12) is provided, which runs substantially parallel to the movement direction (fr). On the rotor device (12) at least two sensor units (52-1, 52-2) scanning the measurement track (40, 40-1, 40-2, 40-3) are provided, which are arranged along the movement direction (fr) of the rotor device (12) in a distance (sa) such that if the rotor device (12) is arranged on a connection point (64, l) between two stator modules (16-1, 16-2) the respective measurement tracks (40, 40-1, 40-2, 40-3) of the adjacent stator modules (16-1, 16-2) are scannable by one of the two sensor units (52-1, 52-2), respectively..
Hamilton Bonaduz Ag
01/29/15
20150028697
new patent

Linear motor


A linear motor includes a stator and an armature that faces the stator with a gap therebetween. The stator has an elongated shape extending so as to cross a direction in which the stator faces the armature, and includes a plurality of salient poles that are arranged along a longitudinal direction of the stator and protrude toward the armature.
Kabushiki Kaisha Yaskawa Denki
01/29/15
20150028689
new patent

Power receiving device, electric circuit, and power supply device


Provided is a power receiving device including a power receiving coil which receives power supplied by electromagnetic waves, and a measurement coil which is disposed near the power receiving coil and measures an electromagnetic field.. .
Sony Corporation
01/29/15
20150028590
new patent

Modular electric generator for variable speed turbines


An electric power generation system may be constructed of multiple similar generator modules arranged between a rotor and a stator. The rotor may be coupled to and/or integrated with a turbine that is configured to rotate in the presence of a fluid stream such as wind or water.
Unimodal Systems Llc
01/29/15
20150028517
new patent

Identification device for a pneumatic spring


An identification device (1) for a pneumatic spring (2) includes an rfid transponder (8), which is completely embedded into the elastomer matrix (13) of the flexible member (4). An electromagnetic field is generated by a read device (9), wherein the energy necessary for supplying the rfid transponder (8) is taken from the electromagnetic field generated by the read device (9).
Contitech Luftfedersysteme Gmbh
01/29/15
20150028297
new patent

Facing targets sputtering apparatus, organic light-emitting display apparatus manufactured using the facing targets sputtering apparatus, and manufacturing the organic light-emitting display apparatus


A sputtering apparatus, an organic light-emitting display apparatus manufactured using the sputtering apparatus, and a method for manufacturing the organic light-emitting display apparatus are provided. The sputtering apparatus includes: a chamber including a mounting portion configured to hold a deposition target material; a gas supply unit that faces the mounting portion and supplies gas to the chamber; a first target portion and a second target portion that are disposed to face each other within the chamber; and a magnetic field induction coil that surrounds an outside of the chamber..
Samsung Display Co., Ltd.
01/29/15
20150028295
new patent

Organic light emitting display apparatus using facing target sputtering apparatus and manufacturing the organic light emitting display apparatus


A method of manufacturing an organic light-emitting display apparatus includes preparing a deposition target in which an organic light-emitting portion is formed on a substrate, forming a pre-encapsulation layer for encapsulating the organic light-emitting portion by using a facing target sputtering apparatus, and forming an encapsulation layer by performing a plasma surface process on the pre-encapsulation layer by using the facing target sputtering apparatus. The facing target sputtering apparatus includes a chamber in which a mounting portion for accommodating the deposition target is provided, a gas supply portion facing the mounting portion and supplying gas to the chamber, a first target portion and a second target portion disposed in the chamber and facing each other, and an induced magnetic field coil surrounding the exterior of the chamber..
Samsung Display Co., Ltd.
01/29/15
20150028250
new patent

Magnetic composition and its production method


A magnetic composition containing a metal-salen complex compound which can be securely guided by a magnetic field to a target area to be preferably treated, and a method for producing the magnetic composition are provided. The magnetic composition is prepared by dispersing magnetic particles, which are obtained by coating a metal-salen complex compound with a dispersant, in a polar solvent by means of the dispersant.
Ihi Corporation
01/29/15
20150028021
new patent

Method for processing a modular hybrid component


The invention relates to a method for processing a modular hybrid component having a first part made of a first material and a second part made of a second material, which is different from the first material with regard to its electromagnetic and/or thermal properties. The method including exposing the modular hybrid component to an alternating electromagnetic field, whereby both parts are heated up differently, and that a brazing or soldering joint or field sensitive mineral cement between the first part and the second part is affected by the heating action..
Alstom Technology Ltd
01/29/15
20150027933
new patent

System for performing a magnetic separation procedure


A system for separating an analyte from other components of a sample contained in a receptacle, where the system includes a receptacle holding station and a magnetic separation station. The receptacle holding station is configured to receive and hold a receptacle and includes one or more magnets positioned to apply a magnetic field to the contents of the receptacle.
Gen-probe Incorporated
01/29/15
20150027883
new patent

Facing target sputtering apparatus


A sputtering apparatus includes a plurality of targets arranged to face each other and a magnetic unit producing magnetic field. A space between the targets is disposed on a substrate on which a deposition is being made during a sputtering process.
Samsung Display Co., Ltd.
01/29/15
20150027876
new patent

Sputtering system and fabricating display device using the same


A sputtering system includes a chamber, a plurality of targets, and a substrate holder. The targets are disposed in the chamber.
Samsung Display Co., Ltd.
01/29/15
20150027554
new patent

Droplet manipulating device and manipulating droplet


The disclosure relates to a droplet manipulating device and a method for manipulating a droplet. The droplets manipulating device includes a first magnetic field generator, a second magnetic field generator, and a flow channel.
Industrial Technology Research Institute
01/29/15
20150027229
new patent

Temperature compensation for seismic sensor and method


A seismic sensor detects a characteristic of a medium during a seismic survey. The seismic sensor includes a casing; a magnet located inside the casing; a coil assembly located inside the casing, wherein the coil assembly moves relative to the magnet; and a temperature-sensitive device connected to terminals of the coil assembly and configured to improve the damping.
Sercel, Inc.
01/29/15
20150027214
new patent

Differential travel sensor for a braking system of a vehicle and ascertaining a differential travel


A differential travel sensor for a braking system of a vehicle includes: a field generation component, with the aid of which a first electrical and/or magnetic field having a predefined intensity distribution is generated in a spatial axis system fixedly definable with respect to a first body which is a driver brake force transmission component or an actuator force transmission component; and a sensor unit detecting at least one intensity variable of a second electrical and/or magnetic field generated due to an interaction of the first electrical and/or magnetic field with a second body, the second body being different from the first body and being the driver brake force transmission component or the actuator force transmission component.. .
01/29/15
20150027177
new patent

Lock for a motor vehicle


A motor-vehicle lock with an adjusting element, which is adjustable about an adjusting element axis, and a drive for the adjustment of the adjusting element, the drive having a rotor, formed by the adjusting element, with a permanent magnet arrangement and a stator with a coil arrangement-comprising at least two coils, and the drive being designed in the manner of a direct drive. It is proposed that the stator has at least two poles, by way of which a magnetic field generated by the coil arrangement is made to pass, in that at least one pole of the stator reaches up to the rotor to within a gap which in cross section is essentially in the form of a segment of a ring, and in that the poles of the stator are magnetically coupled by way of a conducting arrangement running around the rotor with respect to the adjusting element axis..
Brose Schliessysteme Gmbh & Co., Kg
01/29/15
20150027133
new patent

Variable heat pump using magneto caloric materials


A heat pump system is provided that uses multiple stages of mcms with different curie temperature ranges. An adjustable fluid flow path is used whereby the number of stages through which a heat transfer fluid passes can be varied depending upon e.g., the amount of heating or cooling desired.
General Electric Company
01/29/15
20150026909
new patent

Window cleaning apparatus capable of supplying power in real-time from inner unit to outer unit


A window cleaning apparatus comprises: a first cleaning unit, which is positioned on one side of a window, having at least one built-in first magnetic module comprising a magnet; and a second cleaning unit, which is positioned on the opposite side of the window on which the first cleaning unit is positioned, having at least one built-in second magnetic module, which comprises a magnet having an opposite polarity to the magnetic module of the first cleaning unit so as to generate magnetic attraction with the first magnetic module. The second cleaning unit comprises an induction electricity generating module for generating electricity by inducing the change in the magnetic field emanating from the first magnetic module and/or the second magnetic module into voltage by means of electromagnetic induction..
Industry-academic Cooperation Foundation, Yonse; University ,a Corporation
01/22/15
20150025805

Method for locating casing downhole using offset xy magnetometers


An apparatus, method and computer-readable medium for locating a joint of a casing disposed in a borehole are disclosed. The apparatus includes a sensor oriented in a plane orthogonal to a longitudinal axis of the casing.
Baker Hughes Incorporated
01/22/15
20150025761

Magnetic field sensor, actuating device and determining a relative position


A magnetic field sensor consists of a transmitter device for producing a magnetic field and a detecting device for detecting the magnetic field. The transmitter device and the detecting device are arranged in such a way that they can move in relation to each other.
Zf Friedrichshafen Ag
01/22/15
20150025499

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.
01/22/15
20150025486

Alarm system


Described herein are alarm systems for suction devices for reduced pressure therapy. Alarms systems provide alerts to the patient and/or practitioner regarding the ability of the suction device to continue to provide negative pressure to a tissue region.
Spiracur Inc.
01/22/15
20150025299

Esthetic apparatus useful for increasing skin rejuvenation and methods thereof


Systems and methods for increasing skin rejuvenation of a region of a patient's skin. The system includes: a pulsed electromagnetic field (pemf) frequency generator that emits electromagnetic pulses to the region of the patient's skin; and a deep tissue diathermy device that applies heat to the region of the patient's skin up to temperature t.
Venus Concept Ltd
01/22/15
20150025297

Devices and methods for magnetic stimulation for the treatment of neurological disorders


Described herein are magnetic neural stimulation systems for the treatment of neurological disorders. One variation of a magnetic neural stimulation system includes magnetic stimulators shaped as helical or ramped coils, where each turn of the coil has an acute turning angle of less than 90 degrees.
Neuroprex Inc.
01/22/15
20150024941

Superconducting magnet and adjusting the same


A superconducting magnet includes a pair of superconducting coils, two heat shields surrounding the pair of superconducting coils, respectively, two vacuum chambers accommodating the two heat shields, respectively, and facing each other with a predetermined space sandwiched therebetween, a magnetic shield covering at least a portion of the two vacuum chambers, and two position adjustment mechanisms supporting the two vacuum chambers, respectively, in a position-adjustable manner. The two position adjustment mechanisms change distribution of a static magnetic field formed in the predetermined space by the pair of superconducting coils, by adjusting relative positional relation between the two vacuum chambers..
Mitsubishi Electric Corpaorion
01/22/15
20150023703

Fixing device and image forming apparatus


A fixing device includes a magnetic field generator; a heating belt that heats toner on a transported sheet holding an unfixed toner image; a pressure roller that rotates while being pushed against an outer surface of the heating belt and that presses the sheet; a temperature-sensitive magnetic member that is disposed at an inner surface of the heating belt so as to oppose the magnetic field generator; a backing member that is disposed at the inner surface of the heating belt so as to oppose the pressure roller; and a supporting member that is disposed at an inner side of the heating belt, supports both end portions of the heating belt in a width direction, supports a back surface of the backing member, and supports the temperature-sensitive magnetic member.. .
Fuji Xerox Co., Ltd.
01/22/15
20150023700

Developing device, image forming apparatus, and process cartridge


A drawing-up magnetic pole and a control magnetic pole of a magnetic field generator that is disposed in a developer carrier are adjacent to each other and a prevention member is provided that secures, between the prevention member and an upper end of a side wall of a developer supply conveyance path, a supply path through which a developer in the developer supply conveyance path passes toward the developer carrier at least over the entire width of a developing area and that prevents a control retained developer, which is prevented by a developer control member from passing through a control gap, from moving toward the surface of the developer carrier along lines of the control magnetic force. The peak of the magnetic flux density of the drawing-up magnetic pole in the normal direction is disposed below the lower end of the supply path..
01/22/15
20150023144

Method and system for measuring noise of a magnetic head


A method for measuring noise of a magnetic head includes setting a plurality of threshold values, applying bias current or voltage to a read element of the magnetic head, applying an external transverse magnetic field to the magnetic head, amplifying output signal from the read element to produce an amplified signal, filtering the amplified signal to produce a filtered signal, generating an enable signal for each threshold value in a predetermined time window by a counting control means with input signals which include the filtered signal and the threshold value, measuring the cumulative time duration of each enable signal, making an amplitude-duration distribution according to the cumulative time durations and the threshold values, calculating a plurality of parameters according to the amplitude-duration distribution and analyzing the parameters with a plurality of predetermined criteria to determine the defects of the magnetic head. Accordingly, the invention also discloses a system for measuring noise of a magnetic head..
Sae Magnetics (h.k.) Ltd.
01/22/15
20150023092

Ring-shaped magnetoresistive memory device and writing method thereof


A ring-shaped magnetoresistive memory device includes a ring-shaped magnetoresistive memory cell, a first conductor, and a second conductor. The first conductor is positioned on a first surface of the ring-shaped magnetoresistive memory cell for generating a first magnetic field pulse.
National Yunlin University Of Science And Technology
01/22/15
20150022487

Projective capacitive stylus and controlling method thereof


Configurations of a stylus and controlling methods thereof are disclosed. The proposed stylus causes a touch panel to generate a signal by an electrical field generated by a magnetic field via one of a conductor and an electric plate, wherein the stylus includes a set of windings and a magnet, which can move towards each other and generate a current on the set of windings through interaction.
Henghao Technology Co., Ltd.
01/22/15
20150022364

Cresatech limited


A method of detecting disturbance in a metallic conductor, comprises the steps of providing an inductance sensing circuit in mechanically and electrically connected to a metallic conductor having a monitorable inductance, tuning the inductance sensing circuit based on an electromagnetic field impressed upon the metallic conductor and an internally generated circuit oscillation, and outputting an alert signal when a tuned output signal from the tuned inductance sensing circuit becomes detuned due to a change in inductance of the metallic conductor by addition to or removal of at least a portion of the metallic conductor. A metallic conductor disturbance detection device for such a method is also provided, the device comprising an amplitude and/or frequency tunable inductance sensing circuit, and an alarm circuit for outputting an alarm signal based on an output of the inductance sensing circuit..
Cresatech Limited
01/22/15
20150022300

Magnetic structure


Magnetic structure production may relate, by way of example but not limitation, to methods, systems, etc. For producing magnetic structures by printing magnetic pixels (aka maxels) into a magnetizable material.
Correlated Magnetics Research, Llc.
01/22/15
20150022209

Method and resonator signal production and measurement


Techniques provide for passive q switching in a bimodal resonator environment, where magnetic resonators are coupled for power transfer. A passive q switch is responsive to a driving power from one magnetic resonator coupled to another magnetic resonator.
The University Of Chicago
01/22/15
20150022207

Method and magnetic resonance apparatus to acquire mr data and to reconstruct an mr image


In a method to operate a magnetic resonance (mr) system to acquire mr data, an rf excitation pulse is radiated followed by repeated, chronologically sequential implementation of the following steps in order to respectively acquire the mr data of an echo train. A refocusing pulse is radiated, a phase coding gradient is activated, and an additional magnetic field gradient for spatial coding is activated in a direction that is orthogonal to the direction of the phase coding gradient in order to read out the mr data of a k-space line.
Siemens Aktiengesellschaft
01/22/15
20150022199

Current sensor


A current sensor includes: four magnetic sensor elements arranged within a plane orthogonal to a measured current, having a symmetrical magnetic characteristics curve, and adapted to convert a magnitude of a magnetic field into an electrical signal and output the electrical signal; a bridge circuit including the four magnetic sensor elements; and a bias magnetic field application member adapted to applying a bias magnetic field to the magnetic sensor elements.. .
Yokogawa Electric Corporation
01/22/15
20150022198

Method and magnetic sensor producing a changing magnetic field


Methods and apparatus for detecting a magnetic field include a semiconductor substrate, a coil configured to provide a changing magnetic field in response to a changing current in the coil; and a magnetic field sensing element supported by the substrate. The coil receives the changing current and, in response, generates a changing magnetic field.
Allegro Microsystems, Llc
01/22/15
20150022197

Magnet with opposing directions of magnetization for a magnetic sensor


In one aspect, a magnetic field sensor is configured to detect a ferromagnetic object. The magnetic field sensor includes a magnet that includes two north regions and two south regions configured to generate opposing directions of magnetization to form a magnetic flux.
Allegro Microsystems, Llc
01/22/15
20150022195

Magnetic field probe


A detector of a magnetic field probe includes a first wiring pattern formed on a first surface of a multilayer substrate and having a predetermined inclination with respect to an axial line direction of the magnetic field probe, a second wiring pattern formed on a second surface and having the predetermined inclination with respect to the axial line direction, and a first penetrating via penetrating through the multilayer substrate in the thickness direction and connecting a front end portion of the first wiring pattern and a front end portion of the second wiring pattern. A rear end portion of the first wiring pattern is connected to a conductor pattern configuring a strip line and a rear end portion of the second wiring pattern is connected to ground patterns configuring the strip line..
Murata Manufacturing Co., Ltd.
01/22/15
20150022193

Methods and magnetic sensor having an integrated coil or magnet to detect a non-ferromagnetic target


Methods and apparatus for detecting a magnetic field include a magnetic source configured to provide a magnetic field to induce an eddy current in a non-ferromagnetic target, and a magnetic field sensing element configured to detect the magnetic field as a result of the eddy current. The magnetic field provided by the magnetic source can be a static (i.e.
Allegro Microsystems, Llc
01/22/15
20150022192

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
01/22/15
20150022191

Differential perpendicular on-axis angle sensor


Embodiments relate to magnetic field angle sensors, such as on-axis magnetic field angle sensors. In an embodiment, a magnetic field angle sensor comprises a magnet having an axis of rotation, and a substrate arranged in-line with the axis of rotation.
Infineon Technologies Ag
01/22/15
20150022189

Position detection device


A detection unit is disposed at a position facing a first magnet with a spacer member interposed therebetween, the first magnet is disposed between the spacer member and a second magnet so that a polarity of the first magnet corresponds to a polarity of the second magnet opposite to the polarity of the first magnet, a magnetic force generated from the second magnet reaches a position distant from the detection unit in a space to be detected as compared to a magnetic force generated from the first magnet, a magnetic field is generated by composition of the magnetic force generated from the first magnet and the magnetic force generated from the second magnet, and the detection unit detects the approach of an object to be detected by detecting a change of a magnetic field that occurs when an influence of the magnetic force generated from the second magnet is changed.. .
Alps Electric Co., Ltd.
01/22/15
20150022188

Magnetic field sensor and related techniques that provide an angle correction module


A magnetic field sensor provides an angle error value to correct errors of the magnetic field sensor. The angle error value is a function of temperature and magnetic field strength and is used to correct a measured magnetic field angle.
Allegro Microsystems, Llc
01/22/15
20150022187

Arrangements for magnetic field sensors that act as tooth detectors


A variety of magnetic field sensor arrangements provide so-called “tooth detectors” using a simple low-cost magnet.. .
Allegro Microsystems, Llc
01/22/15
20150022186

Angle sensors, systems and methods


Embodiments relate to magnetic field angle sensors, including off-axis and on-axis sensors. In an embodiment, a magnetic field angle sensor comprises two sensor units, and each sensor unit comprises two sensor elements.
Infineon Technologies Ag
01/22/15
20150022159

Detection of a malfunction in an electrochemical accumulator


An electrochemical accumulator, including a casing, at least two electrodes and an electrolyte contained in the casing. There is a ferromagnetic material contained in the casing and having remanent magnetization.
Commissariat à L'énergie Atomique Et Aux énergies Alternatives
01/22/15
20150022142

Integration of electronic components in inductive power transfer systems


In a particular embodiment, a wireless power receiver apparatus includes a coil configured to wirelessly receive power via a magnetic field generated by a transmitter. The wireless power receiver apparatus can include a housing that includes a first volume configured to house the coil.
Qualcomm Incorporated
01/22/15
20150022035

Rotating electric machine


Provided is a rotating electric machine that is capable of sufficiently cooling, by using a liquid coolant, electronic devices which are attached to a rotor. The rotating electric machine is equipped with: a stator for generating a rotating magnetic field; a rotatable rotor that is installed so as to face the stator; diode devices that are connected to coils wound on the rotor and arranged so as to rotate with the rotor; and a cooling structure for cooling the diode devices by means of a cooling oil which is supplied from the inner side in the radial direction with respect to the diode devices..
01/22/15
20150022031

Electromagnetic propulsion system


A system for propelling craft which is applicable in any environment. It employs an alternating magnetic field supplied by a coil.
01/22/15
20150022030

Linear motor


A linear motor comprises a stator (1) which has a longitudinal axis (16), and an armature (2) which is movable relative to the stator (1) between two end positions in the direction of the longitudinal axis (16). Either the stator (1) or the armature (2) has energizable electric coils (12) and the armature (2) or the stator (1) is excited by a permanent magnetic field which is periodic in the direction of the longitudinal axis (16).
Nti Ag
01/22/15
20150022029

Planar motor and processing apparatus and using the same


A planar motor includes a base provided with at least one stator, a mover provided on a top portion of a planar object to be placed on a top portion of the base, and moving according to a magnetic field generated by the stator, a mover support connected to the mover, supporting the mover from the planar object, and moving the mover according to a force of the magnetic field, and a controller supplying a control current to the stator to control location of the mover.. .
Soongsil University Research Consortium Techno-park
01/22/15
20150022023

Electromagnetic interference suppression


An inductive power transmitter for transmitting electrical power to a device by electromagnetic induction, the transmitter being configured to receive power conductively by way of a current via an electrical conduit from an external power source, the transmitter including a field generator configured to generate a fluctuating electromagnetic field having a fundamental frequency; and at least one impedance element connected along an electrical path of the transmitter configured to carry said current, the impedance element or a combination of the impedance elements having a high enough impedance at the fundamental frequency such that, in use, electromagnetic noise experienced at the power source is substantially suppressed, such noise arising from coupling between the electromagnetic field and a circuit having said path and linking the power source to the transmitter.. .
Access Business Group International Llc


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

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