Matches 1 - 50 out of 144 1 2 3 >


Match Document Document Title
US20140139210 METAL DETECTOR  
A metal detector includes a control housing electrically coupled to a search coil. The control housing includes a battery compartment having a first battery support surface located adjacent and a...
US20130320873 SENSING DEVICE, SENSING CHARGER AND SENSING EMERGENCY LAMP  
A sensing device includes a sensing transmitting module and a sensing receiving module respectively mounted in a first housing and a second housing. And an output terminal of the sensing...
US20120153944 METHOD FOR INSPECTING AN AUSTENITIC STAINLESS STEEL WELD  
An object of the present invention is to provide a method for inspecting the presence or absence of a foreign metallic material mixed into an austenitic stainless steel material weld with more...
US20110062954 A PROBE FOR INSPECTING THE SURFACE OF A CIRCUMFERENTIAL SLOT IN A TURBOJET DISK BY MEANS OF EDDY CURRENTS  
A probe for eddy current monitoring of the surface of a circumferential slot formed in a turbojet disk. The probe includes a stem fastened to a support and a first multi-element sensor constrained...
US20110309828 METHOD FOR MEASURING SLOW ROLL CHARACTERISTICS OF PARTIALLY MACHINED SHAFT OF AN ELECTRODYNAMIC MACHINE  
An electrodynamic machine shaft slow roll measurement testing and remediation method that can be performed on a partially machined shaft. Upon completion of slow roll tests on a partially machined...
US20120032672 CARBURIZATION SENSING METHOD  
A carburization sensing method according to the present invention includes: a first procedure of attaching a magnetic material to a reference material which has equivalent electromagnetic...
US20130307532 METAL DETECTOR FOR LOCATING METAL OBJECTS  
The invention relates to a method for locating metal or metal-containing objects and materials, currents in at least two emission coils being regulated in relation to each other such that a...
US20140103917 SHEET CONDUCTANCE/RESISTANCE MEASUREMENT SYSTEM  
An apparatus for testing of electrical or physical properties of a material include a single coil sensor mounted adjacent to a sample of the material. Sheet conductance of a wide variety of...
US20090231144 Stealth Detector Metal Detector  
A portable metal detection system that includes a hand/wrist mounted metal detector with two search coils mounted on the palm side of the detector. The mounted metal detector includes a wireless...
US20120025814 EDDY CURRENT PROBE FOR SURFACE INSPECTION AND EDDY CURRENT INSPECTION DEVICE INCLUDING THE SAME  
The present invention discloses an eddy current probe and an eddy current inspection device including the eddy current probe for inspection of surface defect of a rotor wheel including a dovetail...
US20110133730 Magnetic Probe Apparatus  
A system and method for locating magnetic material. In one embodiment the system includes a magnetic probe; a power module in electrical communication with the magnetic probe to supply current to...
US20060022670 Magnetic resonance screening portal with combination sensing  
A screening portal for detecting the passage of ferromagnetic threat objects, whether permanently magnetized or not, by the use of AC induction coil sensors to detect a non-magnetized object, in...
US20110210724 Durability Enhanced and Redundant Embedded Sensors  
A substantially planar eddy-current sensor having durability enhancing pillars in an active region is provided. The pillars are distributed and sized so as to have limited effect on the sensor's...
US20110268343 METHOD FOR THE NONDESTRUCTIVE TESTING OF PIPES  
The invention relates to a method for the nondestructive testing of pipes made of ferromagnetic steel for flaws by means of stray flux, wherein the pipe is magnetized by a constant field and the...
US20100321012 DRIVE COIL, MEASUREMENT PROBE COMPRISING THE DRIVE COIL AND METHODS UTILIZING THE MEASUREMENT PROBE  
The invention provides a drive coil and measurement probe comprising the drive coil. The measurement probes can be used, for example, in in-situ, non-destructive testing methods, also provided herein.
US20120019237 BLADE TIP CLEARANCE MEASUREMENT SENSOR AND METHOD FOR GAS TURBINE ENGINES  
An electromagnetic field sensor assembly for blade tip clearance measurement in a gas turbine engine is disclosed that includes a ceramic sensor body, a multi-layered wire coil wound about a...
US20120274319 Eddy Current Probe for Surface and Sub-Surface Inspection  
An eddy current probe includes an excitation coil for coupling to a low-frequency alternating current (AC) source. A magnetoresistive sensor is centrally disposed within and at one end of the...
US20110074432 METHODS AND APPARATUS FOR BATTERY TESTING  
Methods and apparatus for testing electrical storage batteries monitor magnetic susceptibility of components of the storage batteries. In some embodiments, magnetic susceptibility of a plate in a...
US20110234214 METAL DETECTOR SENSOR HEAD  
A metal detector includes means for reducing the induction of eddy currents in conductive elements of a sensor head. The aim of this invention is to remove the effect of small pieces of conductive...
US20070108971 Eddy current inspection of materials  
Methods and apparatus for eddy current inspection are provided. Eddy current inspection is used in a variety of industries to find defects and make measurements and inspections of various...
US20130038322 EDDY CURRENT MEASURING SENSOR  
An eddy current measuring sensor including a probe which is configured as a regular triangle and is provided with an excitation unit for applying a given AC excitation signal to a workpiece and a...
US20130082695 CLOSED CORE CURRENT PROBE  
A current probe enabling measurement of current of a signal in a circuit includes a ferrite core defining a gap, a wire wrapped around the ferrite core and a magnetic field sensor. The wire is...
US20090242200 INSPECTION OF AN ELECTRICALLY CONDUCTIVE OBJECT USING EDDY CURRENTS  
A device and method for inspecting an inspection object of in the vicinity of a further object, both of electrically conductive material, the device comprising a transmitter/receiver arrangement...
US20110148405 MAGNETISM MEASURING METHOD AND DEVICE  
A magnetism measuring method includes magnetizing a magnetic material with a direct current to a rotational magnetization region, performing an alternate current excitation in a direction having a...
US20120043962 METHOD AND APPARATUS FOR EDDY CURRENT INSPECTION OF CASE-HARDENDED METAL COMPONENTS  
A method for determining a case depth of a hardened layer in a surface of a metal object includes: (a) placing an eddy current probe at a location adjacent the surface; (b) using the eddy current...
US20130335075 SEAL SYSTEM AND METHOD FOR SYSTEM PROBE  
A system includes a probe assembly having sensing circuitry configured to sense at least one parameter relating to a rotating machine and a cable coupled to the sensing circuitry. The probe...
US20120025815 REAL-TIME RECTANGULAR-WAVE TRANSMITTING METAL DETECTOR PLATFORM WITH USER SELECTABLE TRANSMISSION AND RECEPTION PROPERTIES  
A highly flexible real-time metal detector platform which has a detection capability for different targets and applications, where the operator is able to alter synchronous demodulation...
US20130300405 QUENCHING DEPTH MEASUREMENT METHOD AND QUENCHING DEPTH MEASUREMENT APPARATUS  
A quenching depth measuring method is used for measuring the quenching depth in a workpiece and includes the steps of: magnetizing the workpiece by disposing, in the vicinity of the workpiece, a...
US20130094117 METHOD AND APPARATUS FOR DEMAGNETIZING GENERATOR COMPONENTS PRIOR TO ELECTROMAGNETIC CORE IMPERFECTION TESTING OR EL-CID TESTING  
A method and apparatus for determining and for reducing magnetism in a generator stator core (20). The method includes extending one or more conductors (38) proximate the core, applying a...
US20130106409 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...
US20120153942 Stray-Field Sensor Circuit and Method  
A sensor circuit is configured and operated in the presence of interference. In connection with various example embodiments, a stray magnetic field is sensed with current sensors that also...
US20100033158 MEASURING AGGLUTINATION PARAMETERS  
A method and system are described for measuring agglutination in a target-induced agglutination assay with one or more magnetic particles performed in a reaction chamber. After the magnetic...
US20120161758 EDDY CURRENT TESTING METHOD AND EDDY CURRENT TESTING APPARATUS  
In an eddy current testing method which involves using a rotatable eddy current testing probe in which a detection coil is arranged within an exciting coil, a change in detection sensitivity (a...
US20120112738 Sensors for Integrated Monitoring and Mitigation of Scour  
Systems and methods for detecting scour. Some embodiments provide systems which include a sensor and a signal generator with a combined density equal to or greater than that of water. Optionally,...
US20100134099 Eddy Current Testing Method, Steel Pipe or Tube Tested by the Eddy Current Testing Method, and Eddy Current Testing Apparatus for Carrying out the Eddy Current Testing Method  
It is an object of the present invention to provide an eddy current testing method capable of securely detecting a high hardness part locally occurring in a metal material having magnetism, and...
US20110148403 Magneto-electric sensor with injected up-conversion or down-conversion  
A method includes generating an electrical signal representing a magnetic field using a magnetic field sensor having alternating layers of magneto-strictive material and piezo-electric material....
US20100315078 METHOD FOR EVALUATING ELECTRODE MATERIAL, METHOD FOR PRODUCING ELECTRODE, AND APPARATUS FOR PRODUCING ELECTRODE  
A method for evaluating an electrode material for a non-aqueous electrolyte secondary battery including the steps of: (A) vibrating an electrode material for a non-aqueous electrolyte secondary...
US20120274318 METHODS AND APPARATUS TO DETERMINE PARAMETERS IN METAL-CONTAINING FILMS  
A method and apparatus to determine a parameter of a metal-containing film are provided herein. In some embodiments, a method of determining a parameter of a metal-containing film may include...
US20050007108 Probes and methods for detecting defects in metallic structures  
The present invention is directed to configurations of eddy current probes and methods for using these probes to detect cracks initiating at the edge of holes in single-layered or multi-layered...
US20100101309 System and method for measuring the concentration of magnetic ballast in a moving slurry  
A system for measuring the concentration of magnetic ballast in a moving slurry including a detection conduit surrounded by a set of coaxial detection coils configured to receive the moving...
US20110090937 EDDY CURRENT THERMOMETER  
A remote, noncontact temperature determination method and apparatus is provided, which is operable to determine the temperature of a conducting member forming a part of or in operative thermal...
US20050184729 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...
US20120038352 Sensor Package and Method of Manufacturing Thereof  
A sensor package and a method for manufacturing a sensor package are disclosed. An embodiment comprises a sensor and a conductive line, wherein the sensor is arranged proximate to the conductive...
US20110001472 POSITIONING OF MAGNETIC COILS IN A SENSOR DEVICE  
The invention provides for a method for determining the relative position of at least two magnetic actuator coils (2,3,3′) in a sensor, said coils being arranged on substantially opposite sides of...
US20140002069 EDDY CURRENT PROBE  
One example embodiment includes an eddy current probe. The eddy current probe includes an oscillator configured to produce a repetitive electronic signal. The eddy current probe also includes a...
US20130057268 Method and Apparatus for Measuring Container Bulge  
An extensible frame adapted to receive and maintain a rectilinear container applied upon an interior ledge extensible frame. Two or more orthogonally aligned sensor assemblies are provided to...
US20100141247 CONSTANT CURRENT METAL DETECTOR WITH DRIVEN TRANSMIT COIL  
A metal detector transmitting, through a transmit coil, a repeating transmit signal cycle, which includes at least one receive period and at least one non-zero transmit coil reactive voltage...
US20100231209 Testing An Electrical Component  
Testing an electrical component, the component including a printed circuit board (‘PCB’) with a number of traces, the traces organized in pairs with each trace of a pair carrying current in...
US20070108972 Sheet conductance/resistance measurement system  
An apparatus for testing of electrical or physical properties of a material include a single coil sensor mounted adjacent to a sample of the material. Sheet conductance of a wide variety of...
US20110241661 BEARING RESIDUAL LIFE PREDICTION METHOD, BEARING RESIDUAL LIFE DIAGNOSTIC APPARATUS AND BEARING DIAGNOSTIC SYSTEM  
A bearing residual life prediction method, a bearing residual life diagnostic apparatus and a bearing diagnostic system can be provided. The bearing diagnostic system 20 includes: an eddy current...

Matches 1 - 50 out of 144 1 2 3 >