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Class Information
Number: 324/239
Name: Electricity: measuring and testing > Magnetic > With means to create magnetic field to test material > Induced voltage-type sensor
Description: Subject matter wherein a voltage is induced in an electrical coil as a result of the change in the magnetic test field caused by the material tested.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605592 |
Laminated core testing device |
Oct. 20, 2009 |
| 7589525 |
Magnetic field response sensor for conductive media |
Sep. 15, 2009 |
| 7576534 |
System and method to forecast the electrical conductivity of anodes for aluminum production before baking |
Aug. 18, 2009 |
| 7574338 |
Finite-difference simulation and visualization of elastodynamics in time-evolving generalized curvilinear coordinates |
Aug. 11, 2009 |
| 7557566 |
Method and apparatus for measurement of magnetic permeability of a material |
Jul. 7, 2009 |
| 7535216 |
Incremental displacement transducer and method for determining a displacement of a first object relative to a second object |
May. 19, 2009 |
| 7514919 |
Sensing apparatus and method |
Apr. 7, 2009 |
| 7514917 |
Magnetic crash sensor |
Apr. 7, 2009 |
| 7514918 |
Monitoring wall thickness |
Apr. 7, 2009 |
| 7511478 |
Sensorless position measurement method for solenoid-based actuation devices using inductance variation |
Mar. 31, 2009 |
| 7508201 |
Eddy current sensor |
Mar. 24, 2009 |
| 7489129 |
Method and system for the detection of surface defects on a metal product as it is being continuously cast |
Feb. 10, 2009 |
| 7489130 |
Metal detection device |
Feb. 10, 2009 |
| 7474102 |
Rectangular-wave transmitting metal detector |
Jan. 6, 2009 |
| 7466126 |
Universal sensor probe with adjustable members configured to fit between a plurality of slot openings of varying widths |
Dec. 16, 2008 |
| 7449880 |
Method for determining the angular position of the rotor in a rotating electric machine |
Nov. 11, 2008 |
| 7432715 |
Method and apparatus for metal detection employing digital signal processing |
Oct. 7, 2008 |
| 7414400 |
Detection of ferromagnetic objects approaching a magnet |
Aug. 19, 2008 |
| 7403001 |
Methods and apparatus for measuring morphology of a conductive film on a substrate |
Jul. 22, 2008 |
| 7394243 |
Proximity sensor |
Jul. 1, 2008 |
| 7388370 |
Magnetic crash sensor |
Jun. 17, 2008 |
| 7368907 |
Omni-directional electric current perturbation probe |
May. 6, 2008 |
| 7323868 |
System and method for temperature independent measurement of standoff distance using an eddy current sensor |
Jan. 29, 2008 |
| 7319319 |
Sensing apparatus and method |
Jan. 15, 2008 |
| 7296683 |
Ferrous metal detector with alarm |
Nov. 20, 2007 |
| 7235967 |
Eddy current testing probe and eddy current testing apparatus |
Jun. 26, 2007 |
| 7208945 |
Sensing apparatus and method |
Apr. 24, 2007 |
| 7208946 |
Magnetic material detecting apparatus |
Apr. 24, 2007 |
| 7202661 |
Apparatus and method for establishing the positions of metal objects in an input stream |
Apr. 10, 2007 |
| 7170286 |
Magnetic material detecting device |
Jan. 30, 2007 |
| 7154265 |
Eddy current probe and inspection method |
Dec. 26, 2006 |
| 7148692 |
Detector for non-ferrous metals with reduced false positive responses |
Dec. 12, 2006 |
| 7148681 |
Proximity sensor device that determines at least one physical characteristic of an item |
Dec. 12, 2006 |
| 7145329 |
Manually operated working tool |
Dec. 5, 2006 |
| 7126329 |
Methods for preparing and testing a thermal-spray coated substrate |
Oct. 24, 2006 |
| 7113876 |
Technique and electronic circuitry for quantifying a transient signal using threshold-crossing counting to track signal amplitude |
Sep. 26, 2006 |
| 7102347 |
Metallic contaminant detecting method and apparatus therefor |
Sep. 5, 2006 |
| 7098654 |
Position detector |
Aug. 29, 2006 |
| 7078906 |
Simultaneous time-domain and frequency-domain metal detector |
Jul. 18, 2006 |
| 7075295 |
Magnetic field response sensor for conductive media |
Jul. 11, 2006 |
| 7075293 |
Method for inductive distance measurement, and a working head for carrying out this method using an induction coil |
Jul. 11, 2006 |
| 7071685 |
Induction sensor using printed circuit |
Jul. 4, 2006 |
| 7068030 |
Magnetic field strength detector |
Jun. 27, 2006 |
| 7068029 |
Eddy current inspection probe for inspecting multiple portions of a turbine blade having different geometric surfaces |
Jun. 27, 2006 |
| 7061236 |
Metal detector |
Jun. 13, 2006 |
| 7057386 |
System for detecting metal content on a semiconductor surface and method of operating the same |
Jun. 6, 2006 |
| 7049811 |
Test circuit having parallel drive segments and a plurality of sense elements |
May. 23, 2006 |
| 7049810 |
Apparatus to measure fill |
May. 23, 2006 |
| 7042223 |
Time domain electromagnetic analysis and inspection system for conduits |
May. 9, 2006 |
| 7026811 |
Methods and apparatus for eddy current inspection of metallic posts |
Apr. 11, 2006 |
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