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Match Document Document Title
9030198 Magnetic field sensor and method for producing a magnetic field sensor  
A magnetometer is described, having a substrate and a magnetic core, the substrate having an excitation coil for generating a magnetic flux in the magnetic core; and the excitation coil having a...
9013170 Lightning current detection sensor  
The present invention has an object to provide a lightning current detection sensor that has a configuration resistant to high voltage and high current in a lightning strike and has high...
8981018 Internal material condition monitoring for control  
The condition of internal or hidden material layers or interfaces is monitored and used for control of a process that changes a condition of a material system. The material system has multiple...
8952677 Locator for locating a current carrying conductor  
A locator for locating a concealed conductor carrying an alternating current having at least first and second frequencies, the alternating current produced by at least one dedicated signal...
8947078 Measuring apparatus, particularly measuring apparatus for sensing metal articles  
A measuring apparatus for sensing metal articles, comprises a transmission coil for producing a magnetic field, two reception coils, which are oriented relative to one another, and electrically...
8884613 Water-chamber working apparatus  
A water-chamber working apparatus 1 according to the present invention includes a movable body that can move along a tube plate 12 of a steam generator 10, an extendable member 21 that extends and...
8878527 Magnetic field simulator for testing singulated or multi-site strip semiconductor device and method therefor  
A system for testing a magnetic sensor has a plurality of coils, wherein the coils are positioned along perpendicular planes. A magnetic field is generated along each of the perpendicular planes...
8773118 Magnetometer  
A magnetometer which includes an elongate reactor in which a sample can be secured in a sample support zone and which is located within a magnetic field space of a magnetic field generator and one...
8704511 Systems and methods to test and/or recover magnetic sensors with ESD or other damage  
A system according to one embodiment includes a power supply for charging a lead of a magnetic sensor to a voltage; an interface for operatively coupling the power supply to the lead of the...
8704514 Current sensor including a sintered metal layer  
An integrated circuit includes a semiconductor die including a first magnetic field sensor. The integrated circuit includes an isolation material layer over the first magnetic field sensor and a...
8653824 Delta temperature test method and system  
A method for quasi-static testing a magnetic recording head read sensor is described. The method includes applying a first voltage to a heater in the magnetic recording head and measuring an...
8558537 Method to test the measurement accuracy of at least one magnetic field sensor using a semiconductor chip having a measurement coil  
In a process for testing the measurement accuracy of at least one magnetic field sensor, in particular during manufacturing, a semiconductor wafer that has at least two semiconductor chips is...
8395380 Device for non-destructive testing of a component by analyzing distribution of a leakage magnetic field  
A device for non-destructive control of a component analyzes distribution of a leakage magnetic field emitted by the component when it is subjected to an exciting magnetic field, includes means...
8319494 Pipeline inspection tool with double spiral EMAT sensor array  
A pipeline inspection tool includes two pole magnets oriented at an oblique angle relative to the central longitudinal axis of the tool body. An array of sensor coil sets is located between...
8289017 Method and device for analysing a magnetic material, and analyser including the device  
Disclosed is a method of analysing a magnetic material which includes the construction of a signature S(H) of the magnetic material formed from at least two points S(H)P, this construction...
8274278 Noncontact anhysteric curve plotter and static field to time-varying hysteresisgraph with integrated temperature chamber  
An automated, non-destructive anhysteretic magnetization characterization method for studying and modeling soft magnetic materials. This measurement method employs a “reading-waveform” that allows...
8274282 Method for assembling a high-dynamic and high-spatial resolution eddy current testing head  
The invention concerns a method for producing an assembly of at least one transmission coil (B1) and one reception coil (B2) for eddy current testing, the reception coil receiving in the absence...
8258778 Simplified micro-magnetic sensor for acceleration, position, tilt, and vibration  
A simplified micro-magnetic based sensor and a system built with it for detecting or measuring acceleration, speed, position, placement, tilt, and vibration are disclosed for a reduced product...
8154278 Metal face inductive proximity sensor  
Metal face inductive proximity sensors and methods are presented for sensing the presence or absence of a target object in a target sensing area in which a coil system is operated to generate a...
8138755 Enhanced wireless eddy current probe for a non-destructive inspection system  
An enhanced wireless eddy current probe is disclosed which has means to wirelessly couple to a non-destructive inspection (NDI) system situated some distance away from an inspection point on a...
7952348 Flexible eddy current array probe and methods of assembling the same  
A method of assembling an eddy current probe for use in nondestructive testing of a sample is described. The method includes positioning at least one substantially planar spiral drive coil within...
7911286 Multiplexed voltage and current signaling  
Circuitry and methods are provided. Voltage and current of an electrical load are scaled, biased and alternately sampled to derive a multiplexed signal. The multiplexed signal is used to control...
7907895 Electric field sensor device, transceiver, positional information obtaining system and information input system  
When a human hand (100) holds a transceiver (3a), the hand holds a bottom of an external wall surface and a side of the external wall surface of an insulating case (33). Therefore, a transmitting...
7902896 Phase mixer with adjustable load-to-drive ratio  
Phase mixers, clock signal generators, memories and methods for providing an output signal having a phase relative to the phase difference of input clock signals are disclosed. One such phase...
7888615 Flat detector and medium detector  
A flat detector includes a first flat member and a second flat member both made of a nonmagnetic nonmetal, a first conductive wiring that generates an alternating magnetic field, the first...
7876095 Apparatus for determination of an interface of a slag layer  
An apparatus is provided for determination of at least one interface of a slag layer on top of a molten metal. The apparatus has a carrier tube and a measuring head arranged on one end of the...
7843192 Kit, method and apparatus for monitoring operation of a bearing assembly, method for producing said apparatus, and bearing assembly with a condition monitor  
A technique for determining properties of a bearing assembly in use involves using an eddy current probe for detecting changes in material density within a raceway of the bearing assembly. A field...
7795863 Method and apparatus for forming coil for use in eddy current sensing probe  
A coil for use in an eddy current sensing probe is formed through depositing film traces. The film traces can be directly deposited. The film traces can be deposited on the outer surface of a core...
7592804 Contactless eddy current sensor and process for detecting test objects  
The invention relates to a contactlessly working eddy current sensor, particularly for detecting essentially flat test objects, comprising at least one sensor coil, eddy currents being able to be...
7576534 System and method to forecast the electrical conductivity of anodes for aluminum production before baking  
The system (10) and the method are used for forecasting the electrical conductivity of an anode (12) for aluminum production before the anode (12) is baked. In the system (10), at least one...
7518360 Hybrid wound/etched winding constructs for scanning and monitoring  
Combined wound and micro-fabricated winding constructs are described for the inspection of materials and the detection and characterization of hidden features or flaws. These constructs can be...
7414400 Detection of ferromagnetic objects approaching a magnet  
An apparatus for detecting a potentially dangerous ferromagnetic object carried inadvertently by a person approaching the magnet of a magnetic resonance imaging system (14) uses the fringe field...
7372255 Detection of the instantaneous position of a linearly reciprocating member using high frequency injection  
A piston position sensing circuit for sensing the instantaneous position of a piston of a free piston Stirling machine or a compressor mechanically connected to a reciprocating member of a linear...
7368907 Omni-directional electric current perturbation probe  
An electric current perturbation probe includes at least one driver coil and at least one receiver. The at least one driver coil produces an omni-directional magnetic field. The at least one...
7296683 Ferrous metal detector with alarm  
An electronic ferrous metal detector with an alarm includes a non-ferrous core positioned circumferentially about an opening in an object, such as a hole in a garbage can lid. A pick-up coil...
7289913 Local feature characterization using quasistatic electromagnetic sensors  
Local features such as cracks in materials are nondestructively characterized by measuring a response with an electromagnetic sensor and converting this response into a selected property using a...
7262595 Segmented core for an inductive proximity sensor  
An inductive proximity sensor for sensing the presence of target based on a change of inductance in the sensor. The sensor includes a coil and a core formed of a permeable material so as to form...
7248041 Device and method for measuring transient magnetic performance  
A device for evaluating magnetic component performance and methods of evaluating transient magnetic performance of such components are disclosed. Magnetic flux capacity and/or energy loss of a...
7187166 Electrical property evaluation apparatus  
An electrical property evaluation apparatus for measuring an electrical property of an object includes a magnetic field generating mechanism that generates a magnetic field in a target area on the...
7112960 Eddy current system for in-situ profile measurement  
An eddy current monitoring system may include an elongated core. One or more coils may be coupled with the elongated core for producing an oscillating magnetic field that may couple with one or...
7078894 Polishing device using eddy current sensor  
An eddy current sensor and a method for detecting the thickness of a film formed on a substrate. The eddy current sensor, which is capable of stable operation, is operable to accurately detect a...
7026811 Methods and apparatus for eddy current inspection of metallic posts  
An apparatus for inspecting a metallic post contoured in a single dimension for defects. The apparatus has a clamp having at least one jaw with a surface conforming to the contour to the metallic...
6885277 Externally adjustable impedance transformer  
An externally adjustable RF impedance matching mechanism comprises an upper lid and a base containing a circuit element board therebetween. One or more than one precise adjustment device for...
6859510 Electromagnetic counter with built-in illumination device  
An electromagnetic counter includes a case, an electromagnet, an anchor rotatable through magnetization and demagnetization of the electromagnet, and number wheels rotated by a predetermined angle...
6823269 Eddy current data union  
A method of synthesizing nondestructive examination data of a component including the steps of generating nondestructive examination data of the component in the field and separately generating...
6822442 Sensor arrangement for detecting properties of a target  
A sensor arrangement with a first sensor (1) which comprises a measuring coil (2) that operates by the eddy current principle, and which detects the distance from a target (6), and a second sensor...
6809671 Dynamic gain control in a digital eddy current signal processor  
A digital synthesizer generates an electrical digital carrier that is converted to analog and driven a probe coil to generate an electromagnetic wave propagated into a test material proximate the...
6734665 Inductive sensor having a sensor coil in the form of a structured conductive layer  
In order to so improve an inductive sensor comprising at least one sensor coil in the form of a structured, conductive layer of a carrier board, and an evaluation circuit comprising a printed...
6636037 Super sensitive eddy-current electromagnetic probe system and method for inspecting anomalies in conducting plates  
Devices and methods for improved inspections of conducting structures of different shapes. An eddy-current probe includes an excitation coil unit, a magnetic detector within the probe, a...
6600313 Device for reading an elongate magnetic data carrier  
A device for reading an elongate magnetic data carrier attached to or embedded in an article, having an active read head adapted to have a lateral extent greater than the width of the data...

Matches 1 - 50 out of 244 1 2 3 4 5 >