This page is updated frequently with new Magnetic Field-related patent applications.
|Method and magnetic field alignment in wireless power charging system and primary pad used therein|
A magnetic field alignment method includes: transmitting a first signal through a first antenna and a second signal through a second antenna, wherein each of the first signal and the second signal includes an antenna identifier, and the first antenna and the second antenna are antennas used for a smart key (smk) system installed in an electric vehicle (ev); receiving a response signal in response to the first signal and the second signal from a transponder in a location corresponding to a primary coil of the wireless charging system; and estimating a position of the primary coil based on a received signal strength of the first signal and a received signal strength of the second signal, which are included in the received response signal.. .
Hyundai Motor Company
|Coupling assembly and radiofrequency amplification system having the same|
Rf amplification system includes a power cavity and a coupling loop operably positioned within the power cavity between an inner conductor and an outer conductor. The coupling loop includes a secured segment that is coupled to the grounding deck and a movable segment that is coupled to the secured segment.
General Electric Company
|Rotor for magnetic motor|
Rotor formed by groups of materials (4) that orientate the magnetic field and magnets (2) in spiral lines, with the two magnetic poles of each magnet (2) facing the stator (3). Close to a magnetic pole of the end of the group, the material (4) that orientates the magnetic field protrudes towards the stator (3).
Ramon Freixas Vila
|Magnetic drive enhancement|
A magnetic drive enhancement is provided to offset kinetic forces found in a rotational system to improve the mechanical efficiency of the rotational system. A housing includes rotationally biased magnetic fields in which a central axle or driveshaft may rotate.
|Methods for detecting mated coils|
Methods and systems for improved efficiency when an inductive power transmitter associated with an inductive power transfer system experiences a low-load or no-load condition. More particularly, methods and systems for detecting when an inductive power receiver is absent or poorly connected to an inductive power transmitter.
|Integrated circuit having first and second magnetic field sensing elements|
An integrated circuit can have a first substrate supporting a magnetic field sensing element and a second substrate supporting another magnetic field sensing element. The first and second substrates can be arranged in a variety of configurations.
Allegro Microsystems, Llc
|Plasma processing equipment and plasma generation equipment|
A plasma processing equipment includes a vacuum processing chamber, an insulating material, a gas inlet, a high frequency induction antenna provided at an upper outside of the vacuum processing chamber, a magnetic field coil, a yoke for controlling distribution of a magnetic field in the vacuum processing chamber, a high frequency power supply for generating plasma and supplying a high frequency current to the antenna, and a power supply for supplying power to the magnetic field coil. The antenna is divided into n high frequency induction antenna elements are arranged in tandem on one circle so that a high frequency current delayed sequentially by λ (wavelength of high frequency power supply)/n flows clockwise through the antenna elements arranged in tandem via a delay unit, and a magnetic field is applied from the magnetic field coil to generate electron cyclotron resonance (ecr) phenomenon..
Hitachi High-technologies Corporation
|A ribon beam ion source of arbitrary length|
The invention is a unique and substantive improvement in ion source assemblies which is able to produce a ribbon-shaped ion beam having an arbitrarily chosen breadth dimension which is at least ten times greater [and often more than thirty times greater] than its thickness dimension, the breadth and thickness dimensions of the beam being normal (i.e., perpendicular) to the z-axis direction of travel for the ion beam. In all its embodiments, the improved ion source will comprise not less than two discrete component parts: (i) a closed, solid wall, prism-shaped arc discharge chamber having limited width and depth dimensions, and which concurrently has an arbitrarily chosen and predetermined length dimension which can be as small as 80 millimeters and alternatively exceed 3,000 millimeters in size; and (ii) a primary electron trap assembly which comprises at least an adjacently located magnetic field generating yoke subassembly able to provide a discernible quadrupole magnetic field internally within a confined cavity volume existing within the measurable dimensions of the arc discharge chamber walls..
|Electrical disconnect contactors|
A low-profile electrical contactor is provided comprising at least one electrical contact switch, an actuation means and a current determining device. The or each electrical contact switch has first and second electrical terminals, an electrically-conductive busbar in electrical communication with the first electrical terminal, the busbar having two end faces between which a current can flow in a flow direction and at least two flat sides in parallel with the flow direction, at least one fixed electrical contact which is attached to the busbar, an electrically-conductive moveable arm in electrical communication with the second electrical terminal, and at least one moveable electrical contact which is attached to the electrically-conductive moveable arm to form an electrical contact set with the fixed electrical contact.
Johnson Electric S.a.
|Electrical contact switch and electrical contactor|
An electrical contact switch for use in an electrical contactor, which comprises first and second electrical terminals, an electrically-conductive busbar in electrical communication with the first electrical terminal, and at least one fixed electrical contact which is attached to the electrically-conductive busbar. The switch also has an electrically-conductive moveable arm in electrical communication with the second electrical terminal, with at least one moveable electrical contact which is attached to the electrically-conductive moveable arm to form an electrical contact set with the fixed electrical contact.
Johnson Electric S.a.
A coil component has a core part 10 composing a closed magnetic path through which a closed loop of a magnetic flux passes, the magnetic flux being generated by two coils 14a, 14b that are arranged in parallel, and generate a magnetic field, and the core part 10 has a pair of i-type base cores 11a, 11b facing each other, and a pair of coupling core parts 11c, 11d. The coupling core parts 11c, 11d are each formed by linearly aligning three unit coupling cores 12a to 12f, and each of these cores 12a to 12f is formed into a configuration in which a column-shaped projection is provided on a core body, and a two-stage gap including a small gap and a large gap is to be formed mutually in a space in the adjacent unit cores 11a, 11b, and 12a to 12f by the configuration..
Wireless power transmission system, power transmitting device, and power receiving device
This wireless power transmission system includes: a power transmitting antenna and a power receiving antenna arranged to face each other and not to be in contact with each other; and an electromagnetic shield structure that includes a first shield and a second shield to house, in its inner space, the power transmitting and power receiving antennas facing each other. The first and second shields are configured to make first and second spaces to house the power transmitting and power receiving antennas, respectively.
Panasonic Intellectual Property Management Co., Ltd.
Compressed powder core, powders for compressed power core, and producing compressed powder core
Provided is a compressed powder core that can suppress a decrease in the inductance even when a high magnetic field (of greater than or equal to 40 ka/m) is applied to the compressed powder core while suppressing an iron loss and a decrease in the strength of the compressed powder core. The compressed powder core 1a has soft magnetic particles 11a and aluminum nitride layers 12a formed on the surface layers of the respective soft magnetic particles 11a.
Toyota Jidosha Kabushiki Kaisha
Measuring device for measuring the magnetic properties of the surroundings of the measuring device
A measuring device for measuring magnetic properties of the surroundings of the device includes at least one magnetoresistive element extending in a line direction, and a support field device generating a magnetic support field in an area over the line direction. A pre-magnetization device of one or more magnets is arranged at a distance from the sensor line in a direction vertical to the line direction and extending parallel to the line direction.
Meas Deutschland Gmbh
Tunable sensing device
A tunable sensing device includes a substrate, a deformable dielectric unit and a tunable member. The dielectric unit is disposed on the substrate and is formed with a receiving space.
National Tsing Hua University
A display apparatus with a touch detection function that can improve detection characteristics is provided. The display apparatus includes: a pixel array having a plurality of pixels arranged in a matrix form; a plurality of signal lines arranged along each column in the pixel array, the signal lines supplying an image signal to a plurality of pixels arranged along the corresponding column; and a plurality of drive electrodes arranged in parallel with each other in the pixel array, the drive electrodes supplying a drive signal to the plurality of pixels in image display.
Japan Display Inc.
Nuclear magnetic resonance imaging apparatus and rf shimming method
The present invention provides an rf shimming method for a nuclear magnetic resonance imaging apparatus comprising: a transmission coil having a plurality of channels that respectively transmit high frequencies to an object and a calculation unit performing rf shimming calculation that determines at least one of amplitudes and phases of the high frequencies to be transmitted respectively to a plurality of the channels so as to improve homogeneity of a high-frequency magnetic field distribution generated by the transmission coil and reduce a specific absorption ratio of the object. Objective function parameters for setting the objective function are determined according to contribution to the sar for each of the channels during the rf shimming calculation based on the objective function and the restriction condition..
Magnetic field sensing apparatus
A magnetic field sensing apparatus including a magnetic flux concentrator and a plurality of magnetoresistance units is provided. The magnetic flux concentrator has a top surface, a bottom surface opposite to the top surface, and a plurality of side surfaces connecting the top surface and the bottom surface.
Systems and methods for monitoring characteristics of energy units
A system and method for monitoring characteristics of an electric energy device includes generating an external short from the electric energy device. The external short occurs at a known distance from a sensor and has at least one known external resistance.
California Institute Of Technology
Electro-optic current sensor with high dynamic range and accuracy
An optical sensor that senses current by directing polarized light across an airgap that is orthogonal to a direction of current running through a conductor. The sensor includes a prism having a high verdet constant for high sensitivity to magnetic fields, which cause an angle of polarization of the polarized light to be rotated as an indication of the magnitude of current.
Gridview Optical Solutions, Llc.
Current determining device and methods
A current determining device with a flat-sided primary conductor having two end faces between which a current can flow in a flow direction, and at least two flat sides in parallel with the flow direction. A first field-modifying element formed of a magnetic material is located at or adjacent to a first said flat side of the primary conductor, and a second field-modifying element formed of a magnetic material and located at or adjacent to the second said flat side of the primary conductor.
Johnson Electric S.a.
According to one embodiment, a sample analyzer includes a detector, a first generator and a second generator. The detector detects a target substance bonded to a magnetic particle collected to a sensing area in the cartridge.
Toshiba Medical Systems Corporation
System and characterizing ferromagnetic material
A system and method using magnetic sensing to non-intrusively and non-destructively characterize ferromagnetic material within infrastructure. The system includes sensors for measuring magnetic field gradients from a standoff distance adjacent to ferromagnetic material.
The Charles Stark Draper Laboratory, Inc.
Coil arrangement for sample measurement with a spatially variable magnetic field
The invention relates to a measuring arrangement comprising: a coil arrangement for creating a magnetic field to measure a sample to be arranged in connection with it including at least one flat coil, the coil geometry of which is arranged to be changed in the direction of the plane defined by the coil arrangement, in order to create a spatially changing magnetic field having a known distance dependence for measuring the sample; and electronics connected to the coil arrangement for creating a magnetic field using the coil arrangement; and means for changing the position of the sample and the coil arrangement relative to each other in order to change the magnetic field affecting the sample and having the known distance dependence. In addition, the invention also relates to a method for measuring a sample..
Magnasense Technologies Oy
Torque steering angle sensor and correcting the same
A torque steering angle sensor includes a ring magnet that rotates together with the first rotary member, a second magnetic field detecting element arranged opposite an outer peripheral surface of the ring magnet, a slide magnet arranged opposite the second magnetic field detecting element in the axial direction, and a slide mechanism moving the slide magnet in the axial direction depending on a rotation of the first rotary member; and wherein the steering angle computing portion includes a slide magnet distance computing portion calculating a migration length from a reference position of the slide magnet; and a steering angle correcting portion correcting an offset of the magnetic field strength in the radial direction based on the migration length and configures so as to compute the steering angle of the steering wheel using a magnetic field strength in the radial direction corrected by the steering angle correcting portion.. .
Hitachi Metals, Ltd.
Housing for a magneto inductive flow measuring device
Apparatus for measuring the flow of a fluid through a measuring tube using the magneto inductive measuring principle, comprising a magnet system for producing a constant magnetic field perpendicular to the flow direction of the fluid, at least two measuring electrodes coupling with the fluid and secured on a measuring tube subsection for sensing an induced voltage, at least one electronics unit for signal registration, evaluation and/or power supply, and a housing, wherein the housing bounds and protects against the environment the measuring tube subsection and at least one other component secured outwardly thereto on the side facing away from the fluid, wherein the housing is manufactured at least partially of a thermoplastic material, which encases with accurate fit the measuring tube subsection and the at least one other component secured thereto.. .
Endress + Hauser Flowtec Ag
Graphene-based magnetic hall sensor for fluid flow analysis at nanoscale level
A method of detecting a particle comprises magnetizing a particle using an ac magnetic field; generating an ac voltage in a sensing device having a conductive substantially 2-dimensional lattice structure from the magnetized particle; superimposing a dc magnetic field on the generated ac voltage in the sensing device; and measuring an ac hall voltage at the sensing device.. .
International Business Machines Corporation
Position detecting system
A position detecting system includes: a capsule medical device having therein a magnetic field generation coil for generating a magnetic field; detection coils configured to detect the magnetic field generated by the magnetic field generation coil, and to output detection signals; at least one reference coil configured to detect a magnetic field and to output a detection signal, and arranged at a position where a signal-to-noise ratio to the magnetic field generated by the magnetic field generation coil is smaller than a signal-to-noise ratio in each of the detection signals detected by the detection coils; and a magnetic field correction unit configured to correct magnetic field detection values based on the detection signals respectively output from the detection coils, using at least one reference magnetic field detection value that is a detection value of the magnetic field based on the detection signal output from the at least one reference coil.. .
Magnetic detection device
A magnetic detection device has: a magnetic moving body which rotates about a rotating shaft and in which n-poles and s-poles are disposed alternately on an outer periphery thereof; magnetoresistive elements that are disposed at a spacing from the outer peripheral surface of the magnetic moving body; a signal processing unit that processes signals from the magnetoresistive elements; and a magnet that applies a bias magnetic field to the magnetoresistive elements. The magnetization direction of the magnet is parallel to the rotating shaft of the magnetic moving body.
Mitsubishi Electric Corporation
Sensor assembly for ascertaining the path of a moved part
A sensor assembly for ascertaining the path of a moved part includes a magnetic measuring assembly and a fixed sensitive measure element. The magnetic measuring assembly has a magnetic field with at least one spatial component that is changed by the movement of the part along the path to be ascertained.
Robert Bosch Gmbh
An evaporator for a household appliance includes a housing wall configured to delimit a receiving space for a liquid to be evaporated, and an electrical heating unit for heating the liquid. A fill level sensor is arranged on an exterior face of the housing wall and configured to determine a fill level of the liquid in the receiving space.
Bsh Hausgeräte Gmbh
Differential lock actuator
A differential lock actuator with a lock detection assembly. The differential lock actuator has a push rod configured to be movable within a housing between a first position and a second position for activation/deactivation of a differential locking system.
Meritor Heavy Vehicle Systems Cameri Spa
Organic or organo-mineral fertilizers, producing thereof and production unit therefor
An apparatus for producing an organic or organo-mineral fertilizer includes —a main tank receiving water, —a reactor providing cavitation and magnetic field for activating water or for treating a biological suspension, —a mixing tank containing a preliminary shredder, —an injector receiving and saturating the suspension with air, —a fermenter receiving the obtained mixture and creating a volumetric liquid-air flow passed therethrough and fermented by biological humus. The suspension is filtered and passed into a clearing tank.
Side-stream particle precipitator apparatus and sustem for condenser open loop cooling system
A side-stream particle precipitator system for the breakdown and removal of organic and inorganic suspended solids in water cooling systems using a plurality of ionizer treatment units utilizing electric and electro-magnetic fields and a mechanical vortex precipitating system with a static mixer for increasing retention time of the water complex in the precipitator to remove particulate materials contained in the water complex as suspended solids. The system also uses high voltage electrodes for charging the water complex to breakdown laminar flow at the conduit walls to mechanically dislodge any build-up of bio-materials or chemical compounds along the walls resulting in an increase in thermal conductivity..
Multi-function water treatment container for magnetizing water
A multi-function water treatment container for magnetizing water comprises a base, a connection barrel, a son bottle body, a first magnetic element, a second magnetic element, a cap, and a mother bottle body. The n, s poles of the first magnetic element and the n, s poles of the second magnetic element are corresponding to each other and a repelling magnetic field is generated.
Power transmission system
A power transmission system transmits electric energy to a secondary resonator having a secondary resonator coil through an electromagnetic field of a predetermined frequency from a resonator having a resonator coil and reduces noise using two noise cancellation resonators with one predetermined frequency and its higher harmonic component set as noise reduction target frequency. The system includes, as two noise cancellation resonators, a first noise cancellation resonator including a first noise cancellation resonator coil and has a resonance frequency higher than the noise reduction target frequency by a first shift frequency determined according to a coupling degree between the resonator coil and first noise cancellation resonator coil and second noise cancellation resonator including a second noise cancellation resonator coil and has a resonance frequency lower than the noise reduction target frequency by a second shift frequency according to coupling degree between the resonator coil and second noise cancellation resonator coil..
Toyota Jidosha Kabushiki Kaisha
Additive manufacturing systems and methods
A method for additively manufacturing an article includes applying energy to a powder to produce a weld pool of molten powder and applying an electromagnetic field to the weld pool to control one or more characteristics of the weld pool. Applying the electromagnetic field can include applying an electric field and/or a magnetic field to the weld pool..
Method of carrying out a chemical reaction with the use of a catalyst
An exemplary embodiment provides for a method of conducting a chemical reaction involving the powder catalyst, in particular ferromagnetic catalyst. The method is characterized in that while conducting a chemical reaction, particles of the catalyst comprising a ferromagnetic material are put into oscillation by the oscillating magnetic field with a frequency greater than 0.1 hz and a magnetic field induction greater than 0.01 mt.
Tumor surface dose enhancing radiotherapy apparatus using magnetic field
Disclosed is a tumor surface dose enhancing radiotherapy apparatus using a magnetic field, including a radiation beam generating unit that irradiates a radiation beam towards a tumor of a patient, a magnetic field generating unit that forms a magnetic field that is parallel to the radiation beam between the radiation beam generating unit and the tumor of the patient, and a control unit that controls a surface dose of the tumor by adjusting an intensity and an effective area of the magnetic field of the magnetic field generating unit.. .
The Asan Foundation
In some cases, a frequency stimulator that can control a dosage of impulses of various low frequencies of electromagnetic waves, uses a cell phone, a tablet, a laptop, and/or any other suitable devices that produce frequencies and can supply an inductive coil that is installed in a headband of the frequency stimulator in a way to produce a low frequency electromagnetic field with the basic purpose of achieving a positive response to the frequency of the human brain that responds to a programed frequency and adjusts to it, thus creating various states of consciousness in the human head. In some cases, the power source is connected to the headband in which there is the induction coil.
Mri-safe implantable lead assembly
A medical device includes a pulse generator and a filter. The pulse generator is configured to generate a stimulation signal and to provide the stimulation signal to tissue of a patient via an implantable lead assembly.
Noninvasive nondisruptive assessment of eyelid dynamics by means of eddy-current no-touch sensors
Systems and processes for measurement of the eyelid movements of a subject, which explores eyelids' electrical conductivity, namely the established fact that eyelids are acting as sliding electrodes moving over the cornea, is comprised of a system for generating a high frequency weak and harmless oscillating electromagnetic field in the proximity of the eyelid movement path without interference with the vision or activity of any such subject, therefore induces so-called eddy currents in the eyelid, which in its turn produce its own electromagnetic field with a value depended on the eyelid position; the interaction between the basic oscillating electromagnetic field and the field generated by the eyelid is changing electromagnetic field inductance, which will be measured with very high accuracy by means of resonance sensing electronics; such systems can transmit data from its detecting electronics to a remote monitor that compels no restrictions on operator activity.. .
Wireless utility metering devices, systems, and methods for irrigation
Wireless utility metering devices, systems, and methods for irrigation, involving a processor, a power source in electronic communication with the processor; a feature for wirelessly communicating, the wirelessly communicating feature in electronic communication with the processor and the power source; and an irrigation feature, such as a virtual irrigation deduction meter feature, a residential consumption profile feature, a residential irrigation profile feature, and a restricted irrigation compliance monitoring feature. The processor controls the wirelessly communicating feature and the irrigation feature in a manner that minimizes water consumption, whereby water is conservable, and whereby the electronic device being adapted to serve at least one function.
Transparent Technologies, Inc
One example discloses an electromagnetic device, including: a first circuit, configured to generate a first electromagnetic field; a second circuit responsive to the first electromagnetic field; a damping circuit configured to generate a second electromagnetic field in response to a current induced by the first electromagnetic field; and wherein the second electromagnetic field reduces the second circuit's responsiveness to the first electromagnetic field.. .
Drive circuit for an oscillator
The present invention concerns a drive circuit for driving an oscillator. The drive circuit comprises a first inductor comprising a first terminal and a second terminal; an electrical energy source connected to the first terminal; and a switching circuit connected to the second terminal and to the oscillator.
The Swatch Group Research And Development Ltd
Variable stroke linear electrodynamic machine
An electrodynamic machine is disclosed that includes a magnetic field generator and an armature in a linear moving relationship with each other along a first axis. A swash plate rotates about a second axis parallel to and offset from the first axis.
Hamilton Sundstrand Corporation
Magnetic field shielding sheet and wireless power charging apparatus including the same
A magnetic field shielding sheet and a wireless power charging apparatus including the same are provided. A magnetic field shielding sheet includes a magnetic field shielding area including magnetic field shielding layers disposed on a surface of a coil part configured to provide a wireless power charging function to shield a magnetic field generated from the coil part and an adhesive layer bonding the magnetic field shielding layers to each other, and heat radiation fillers disposed within the adhesive layer..
Samsung Electro-mechanics Co., Ltd.
Device for switching a semiconductor-based switch and sensor for detecting a current change velocity at a semiconductor-based switch
An electric circuit includes a semiconductor-based switch with a first terminal and a second terminal for conducting a power current. Further, the electric circuit includes a sensor for detecting a current change velocity of the power current flowing through the semiconductor-based switch.
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.
Transmitter with improved sensitivity and shielding
A magnetic field transmitter, especially a transmitter used in conjunction with wireless communications earplugs. In one embodiment, a plate of magnetic material is used behind a coil of electrical conductor to improve the efficiency of the transmitter and to provide electrical and magnetic shielding.
Red Tail Hawk Corporation
Magnetism-controllable dummy structures in memory device
A device and a method of forming a device are disclosed. The method includes providing a substrate defined with first and second functional regions and first and second non-functional regions.
Globalfoundries Singapore Pte. Ltd.
High voltage compact fuse assembly with magnetic arc deflection
Fuse assemblies in the form of fuse blocks and fuse holders include embedded permanent magnet arc suppression features that facilitate higher voltage operation of fusible circuit protection without increasing the size of the fuse assemblies. The embedded magnets apply an external magnetic field upon an overcurrent protection fuse and produce an arc deflection force to enhance arc quenching capability of the fuse without increasing its form factor..
Cooper Technologies Company
Method for analyzing color code encoded in magnetic structure
Provided is a color encoding method including providing a composition including a liquid medium and magnetic nanoparticles dispersed in the liquid medium; applying a magnetic field to the composition to align the magnetic nanoparticles; and applying a patterned energy source to the composition to solidify the composition, wherein more than one region of the composition are sequentially solidified with varying magnetic field strength to fix a plurality of color codes.. .
Snu R&db Foundation
Ndfeb magnet containing cerium and manufacturing method thereof
A ndfeb magnet containing cerium and a manufacturing method thereof are provided. The manufacturing method includes steps of: refining a part of raw materials pure iron, ferro-boron, and rare earth fluoride in a crucible, adding a rest of the raw materials into the crucible and refining, casting a refined solution to a surface of a water-cooled rotation roller through a tundish and forming alloy flakes, processing the alloy flakes containing at least two different compositions with hydrogen decrepitation, milling powders, magnetic field pressing, vacuum presintering, machining and sintering, and obtaining the ndfeb magnet containing cerium.
Shenyang General Magnetic Co., Ltd
Methods of making physical unclonable functions having magnetic and non-magnetic particles
A method of making a physical unclonable function (puf) having magnetic and non-magnetic particles is disclosed. Measuring both magnetic field and image view makes the puf difficult to counterfeit.
Lexmark International, Inc.
Method of forming microsphere having structural color
Provided is a method of forming a microsphere having a structural color, which includes providing a composition for generating a structural color including a curable material and magnetic nanoparticles dispersed in the curable material, forming an emulsion by adding the composition for generating a structural color to an immiscible solvent, arranging the magnetic nanoparticles located in the emulsion droplet of the curable material in a one-dimensional chain structure by applying a magnetic field to the emulsion, and fixing the chain structure by curing the emulsion droplet.. .
Snu R&db Foundation