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8928316 Method and apparatus for non-destructive evaluation of materials  
Methods and apparatus for characterizing composite materials for manufacturing quality assurance (QA), periodic inspection during the useful life, or for forensic analysis/material testing. System...
8907680 Voltage detector, malfunction detecting device, contactless power transmitting device, contactless power receiving device, and vehicle  
A voltage detector for detecting a voltage generated in a second resonant coil that is disposed to face a first resonant coil and that performs at least one of electric power transmission and...
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...
8884614 Eddy current array probe  
Present embodiments include eddy current array probes having differential coils capable of detecting both long and short flaws in a test specimen and, additionally or alternatively, multiplexed...
8823369 Multi directional electromagnetic yoke for inspection of bores  
A non-destructive inspection system that has particular application for inspecting a bore in a valve for defects. The system includes an inspection yoke having a ferromagnetic core, where a first...
8717013 Device for detecting damage of a test specimen made of ferromagnetic material  
The device comprises a magnetization unit, which generates a constant magnetic field, to which the test specimen (12) is exposed so as to magnetize it. The magnetization unit and test specimen...
8575923 Method and apparatus for special end area inspection  
A magnetic inspection station for tubular members and methods for operating the same have a longitudinal flaw detection assembly adapted to pass a circumferential magnetic field through a tubular...
8564284 Fault detection for laminated core  
A method of evaluating the condition of a laminated core of an electric machine including positioning a magnetic flux injection excitation yoke extending between a pair of teeth of the laminated...
8508220 Fault detection for laminated core  
A method and system for evaluating the condition of a laminated core of an electric machine, and including a first yoke wound with a first winding and having a first pair of arms spanning between...
8415947 Method for stress assessment that removes temperature effects and hysteresis on the material property measurements  
An apparatus for the nondestructive measurement of materials that includes at least two layers of electrical conductors. Within each layer, a meandering primary winding is used to create a...
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...
8378668 Method for non-destructive testing of composite systems  
A method of non-destructive testing that employs composite systems that include a curable resin and detectable particles that have a property that can be distinguished from a property of the resin...
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...
8310229 Intelligent eddy current array probe with embedded firing sequence memory  
An intelligent eddy current array probe comprising a plurality of coil elements and an embedded non-volatile memory element is disclosed. Prior to coupling the intelligent eddy current array probe...
8294459 Multiple receiver coil dual mode electromagnetic detector  
An electromagnetic detection system comprising: a transmitter loop for generating a primary magnetic field, and spaced apart receiver coils for measuring a secondary magnetic field generated in...
8284560 Eddy current sensor with enhanced edge resolution  
An apparatus for monitoring the thickness of a conductive layer on a substrate includes a support to hold a substrate having a conductive layer, an eddy current monitoring system including a first...
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...
8274279 Inspection apparatus and method  
An apparatus and method are disclosed for detecting flaws in electrically conductive materials by observing properties of the back-EMF of the eddy current field generated by driving magnetic flux...
8222897 Test circuit with sense elements having associated and unassociated primary windings  
An apparatus for the nondestructive measurement of materials that includes at least two layers of electrical conductors. Within each layer, a meandering primary winding is used to create a...
8193806 Object detecting apparatus  
An object detecting apparatus that detects an object including a magnetic body including: a detection signal acquiring unit that acquires a detection signal based on a magnetic signal; a...
8188732 Arrangement and method for influencing magnetic particles in a region of action using distinguishable magnetization of the two magnetic particles  
An arrangement and a method for influencing and/or detecting and/or locating magnetic particles in a region of action include a driver generating a magnetic drive field so that magnetization of...
8179132 Method and system for integrating eddy current inspection with a coordinate measuring device  
A method for integrating a measurement device for use in measuring a machine component includes providing a coordinate measuring machine (CMM) and combining eddy current (EC) capabilities and CMM...
8179131 Method and arrangement for influencing and/or detecting magnetic particles in a region of action by rotating magnetic drive vector  
A method for influencing and/or detecting magnetic particles in a region of action includes generating a magnetic selection field having a pattern in space of its magnetic field strength such that...
8129987 Multiple receiver coil dual mode electromagnetic detector  
An electromagnetic detection system comprising: a transmitter loop for generating a primary magnetic field, and a first pair of spaced apart receiver coils and second pair of spaced apart receiver...
8125220 Magnetic induction tomography system and method  
A magnetic induction tomography system and method for studying the electromagnetic properties of an object includes generator coils adapted for generating a primary magnetic field, and sensor...
7982457 Method and eddy current system for non-contact determination of interface resistance  
The present invention is a method and an eddy current system for non-contact determination of the resistance between the current lead stripe and the coating during continuous fabrication of...
7923995 Sensor coil array for magnetic inductance tomography with reduced mutual coil coupling  
This invention relates to magnetic inductance tomography, and in particular, to coils of a sensor/driver coil array for use in a magnetic inductance tomography apparatus, in which driver/sensor...
7898248 Magnetic screening system and a network managing same  
A magnetic screening system uses directional gradiometers with high resolution and accuracy to measure magnetic field signatures of target objects (e.g., gun, knife, cell phone, keys) in a volume...
7876094 Magnetic field characterization of stresses and properties in materials  
Described are methods for monitoring of stresses and other material properties. These methods use measurements of effective electrical properties, such as magnetic permeability and electrical...
7804295 Apparatus and method for detection of defects using flux leakage techniques  
An apparatus for the detection of defects utilizing non-destructive flux leakage techniques in ferrous materials includes rare earth magnets which are supported at an angle in the order of 45...
7805104 Magnetic element-applied medium, and medium information reading method and device  
An information reading device for reading identification information from a medium to which at least one magnetic element for generating a signal upon receiving a magnetic field is provided, which...
7759931 Device for measuring magnetic impedance  
The present invention relates to a magnetic impedance measurement device comprising an apply coil for generating an alternate magnetic field of variable frequency, a power source for the apply...
7701206 Method and a device for non-contact electromagnetic measurement of properties of objects  
A method for non-contact determination of sought properties of an object to be measured by using electromagnetic induction. An electromagnetic field is generated in a transmitter coil placed on...
7656159 Locating stationary magnetic objects  
A technique for locating stationary magnetic objects comprises placing magnetic sensors on a movable platform; for each sensor, measuring a total magnetic field signal in an area of detection;...
7636031 Sensor system including multiple radio frequency identification tags  
A sensor system includes a sensor circuit and a plurality (e.g., N-number) of radio frequency identification (RFID) tags. The sensor circuit senses a physical parameter and supplies N-bits of...
7589526 Surface mounted sensor arrays having segmented primary windings  
One of the issues with planar eddy-current sensors is the placement of the current return for the primary winding. Often the ends of the primary winding are spatially distant from one another,...
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...
7560920 Apparatus and method for eddy-current scanning of a surface to detect cracks and other defects  
An apparatus having a plurality of coils (e.g., numerous thin-film coils formed in an array on a flex circuit), each coil acting as an excitation unit that generates an alternating excitation...
7550969 Security screening and inspection based on broadband electromagnetic holographic imaging  
A method of security screening and inspection of people in airlines, ships, or secured buildings, involves placing an array of transmitters and receivers in operational association with the...
7545140 Metal object detecting apparatus  
A metal object detecting apparatus comprising, a transmitter for generating a primary magnetic field having a resultant magnetic field direction which varies along any substantially linear path...
7535216 Incremental displacement transducer and method for determining a displacement of a first object relative to a second object  
The invention relates to an incremental displacement transducer for determining a displacement of a first object relative to a second object with a scanning unit linked with the first object for...
7525308 Magnetic detecting device and material identifying device  
The present invention discloses a magnetic detecting device comprising an apply coil 1 for generating an alternate magnetic field of variable frequency and a power source 2 for the apply coil; a...
7489128 MRI protector  
An MRI protector for protecting personnel and the MRI apparatus from the introduction of ferrous articles into the magnetic field of the MRI has an array of Hall effect sensors oriented to scan...
7414404 Metal detection apparatus  
A metal detection apparatus includes a transmitter for generating a magnetic field in the vicinity of the metal object, and a detector for detecting a secondary magnetic field. The detector...
7411390 High resolution inductive sensor arrays for UXO  
For the inspection of materials and the detection and characterization of hidden objects, features, or flaws sensors and sensor arrays are used to image form two-dimensional images suitable for...
7408461 Metal detection system and method  
This application describes a system for contraband and weapons detection. The system comprises a coplanar sensor array, electronic drive circuitry, a data acquisition circuit, a video frame...
7358721 Eddy current flaw detection sensor and method  
An eddy current flaw detection sensor is provided which can detect a circumferential crack occurring at the deformed portion or peripheral portion thereof of a heat transfer tube with a high...
7356421 Precise location of buried metallic pipes and cables in the presence of signal distortion  
A new approach for locating an underground line described herein remains accurate in the face of bleedover by including both amplitude and phase from at least two magnetic field strength sensors...
7319321 Magnetic screening system  
A magnetic screening system including an arrangement of gradiometers each including at least three magnetometers, a gradiometer processor in communication with the magnetometers that scales...
7242186 Device for testing a test specimen for surface faults by magnetization means and by means of induction probes as measurement sensors  
A device for testing a test specimen for surface faults is equipped for delivering a magnetic flux into the specimen and has induction probes measurement sensors. At least two yoke legs have...

Matches 1 - 50 out of 297 1 2 3 4 5 6 >