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Class Information
Number: 702/38
Name: Data processing: measuring, calibrating, or testing > Measurement system in a specific environment > Mechanical measurement system > Flaw or defect detection > Electromagnetic (e.g., eddy current)
Description: Subject matter wherein a voltage or current is induced to the device or object to identify the fault.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552810 |
Sensor and method for discriminating coins using fast fourier transform |
Jun. 30, 2009 |
| 7518359 |
Inspection of non-planar parts using multifrequency eddy current with phase analysis |
Apr. 14, 2009 |
| 7499815 |
Machine radial stack gap generation and clearance management system and method |
Mar. 3, 2009 |
| 7496455 |
Electromagnetic flowmeter |
Feb. 24, 2009 |
| 7487052 |
State detection device |
Feb. 3, 2009 |
| 7480574 |
Method to characterize material using mathematical propagation models and ultrasonic signal |
Jan. 20, 2009 |
| 7469187 |
Eddy current detection and compensation |
Dec. 23, 2008 |
| 7467057 |
Material property estimation using non-orthogonal responsive databases |
Dec. 16, 2008 |
| 7460963 |
Device and method for health monitoring of an area of a structural element, and structure adapted for health monitoring of an area of a structural element of said structure |
Dec. 2, 2008 |
| 7400984 |
Biomagnetic measurement apparatus |
Jul. 15, 2008 |
| 7376519 |
Method for reducing the computation resources required for determining damage in structural health management system |
May. 20, 2008 |
| 7356421 |
Precise location of buried metallic pipes and cables in the presence of signal distortion |
Apr. 8, 2008 |
| 7289913 |
Local feature characterization using quasistatic electromagnetic sensors |
Oct. 30, 2007 |
| 7275003 |
Harmonic diagnosing method for electric facility |
Sep. 25, 2007 |
| 7275015 |
Method and device for determining motion parameters of a conductive, profiled surface |
Sep. 25, 2007 |
| 7243058 |
Method and circuit for operating a voice coil actuator of a mass data storage device |
Jul. 10, 2007 |
| 7209844 |
Magnetic crash sensor |
Apr. 24, 2007 |
| 7174256 |
Magnetoinductive flowmeter and measuring method for a magnetoinductive flowmeter |
Feb. 6, 2007 |
| 7110891 |
Degaussing vulnerability display program |
Sep. 19, 2006 |
| 7089130 |
Electric/magnetic field analysis method using finite difference time domain, material descriptive method in electric/magnetic analysis, electric/magnetic analysis device, analysis data generat |
Aug. 8, 2006 |
| 7085656 |
Method for suppressing edge artifacts in magnetic microscopy |
Aug. 1, 2006 |
| 7038423 |
Apparatus and method for ride through for AC induction motors |
May. 2, 2006 |
| 6962087 |
Electromagnetic flow meter |
Nov. 8, 2005 |
| 6959267 |
Method of inspecting a heat exchanger and computer program product for facilitating same |
Oct. 25, 2005 |
| 6933718 |
Quantification method and system for corrosion and damage assessment |
Aug. 23, 2005 |
| 6907358 |
Eddy current inspection method |
Jun. 14, 2005 |
| 6885948 |
Data management of pipeline datasets |
Apr. 26, 2005 |
| 6880379 |
Method and device for detecting damage in materials or objects |
Apr. 19, 2005 |
| 6873919 |
Method and device for machine diagnosis, especially for transmission diagnosis |
Mar. 29, 2005 |
| 6868363 |
Methods and systems for calculating steam turbine radial clearance |
Mar. 15, 2005 |
| 6865494 |
Method and apparatus for noise tomography |
Mar. 8, 2005 |
| 6862538 |
Induction motor module and motor incorporating same |
Mar. 1, 2005 |
| 6847901 |
Electromagnetic flowmeter |
Jan. 25, 2005 |
| 6845330 |
Electromagnetic flowmeter |
Jan. 18, 2005 |
| 6834238 |
Method for identifying optical contrast enhancing agents |
Dec. 21, 2004 |
| 6826489 |
Fault classification in a plasma process chamber |
Nov. 30, 2004 |
| 6823269 |
Eddy current data union |
Nov. 23, 2004 |
| 6820020 |
Method of determining magnitude of sensing current for electromagnetic transducer |
Nov. 16, 2004 |
| 6816794 |
Apparatus and method for detecting contamination of object by a metal |
Nov. 9, 2004 |
| 6799125 |
Method and system for on-line monitoring of bearing insulation in an electrical generator |
Sep. 28, 2004 |
| 6789043 |
Magnetic sensor system for fast-response, high resolution, high accuracy, three-dimensional position measurements |
Sep. 7, 2004 |
| 6734670 |
Determining a surface profile of an object |
May. 11, 2004 |
| 6718267 |
Monitoring the corrosion of pipelines by evaluting the noise in data signals transmitted via the pipeline |
Apr. 6, 2004 |
| 6707296 |
Method for detecting cracks in electrically conducting material |
Mar. 16, 2004 |
| 6686747 |
Programmable voltage divider and method for testing the impedance of a programmable element |
Feb. 3, 2004 |
| 6636827 |
Foreign-matter detector and foreign-matter detecting system |
Oct. 21, 2003 |
| 6633820 |
System for assessing metal deterioration on maritime vessels |
Oct. 14, 2003 |
| 6593737 |
Method for measuring the wall thickness of an electrically conductive object |
Jul. 15, 2003 |
| 6591200 |
Method and system for performance testing of rotating machines |
Jul. 8, 2003 |
| 6573712 |
Non-destructive inspection device |
Jun. 3, 2003 |
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