NO993712D0 - Apparat til bestemmelse av egenskaper til et elektrisk ledende objekt - Google Patents

Apparat til bestemmelse av egenskaper til et elektrisk ledende objekt

Info

Publication number
NO993712D0
NO993712D0 NO993712A NO993712A NO993712D0 NO 993712 D0 NO993712 D0 NO 993712D0 NO 993712 A NO993712 A NO 993712A NO 993712 A NO993712 A NO 993712A NO 993712 D0 NO993712 D0 NO 993712D0
Authority
NO
Norway
Prior art keywords
electrically conductive
conductive object
determining properties
properties
determining
Prior art date
Application number
NO993712A
Other languages
English (en)
Other versions
NO326709B1 (no
NO993712L (no
Inventor
Victor Otto De Haan
Original Assignee
Roentgen Tech Dienst Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Roentgen Tech Dienst Bv filed Critical Roentgen Tech Dienst Bv
Publication of NO993712D0 publication Critical patent/NO993712D0/no
Publication of NO993712L publication Critical patent/NO993712L/no
Publication of NO326709B1 publication Critical patent/NO326709B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
NO993712A 1997-01-31 1999-07-30 Apparat til bestemmelse av egenskaper til et elektrisk ledende objekt NO326709B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1005160A NL1005160C2 (nl) 1997-01-31 1997-01-31 Inrichting voor het bepalen van eigenschappen van een elektrisch geleidend voorwerp.
PCT/NL1998/000065 WO1998034104A1 (en) 1997-01-31 1998-02-02 Apparatus for determining properties of an electrically conductive object

Publications (3)

Publication Number Publication Date
NO993712D0 true NO993712D0 (no) 1999-07-30
NO993712L NO993712L (no) 1999-09-21
NO326709B1 NO326709B1 (no) 2009-02-02

Family

ID=19764328

Family Applications (1)

Application Number Title Priority Date Filing Date
NO993712A NO326709B1 (no) 1997-01-31 1999-07-30 Apparat til bestemmelse av egenskaper til et elektrisk ledende objekt

Country Status (8)

Country Link
US (1) US6275030B1 (no)
EP (1) EP0956503B1 (no)
AU (1) AU5884898A (no)
CA (1) CA2279598C (no)
DE (1) DE69814351T2 (no)
NL (1) NL1005160C2 (no)
NO (1) NO326709B1 (no)
WO (1) WO1998034104A1 (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6593737B2 (en) * 2000-08-24 2003-07-15 Shell Oil Company Method for measuring the wall thickness of an electrically conductive object
CA2566933C (en) * 2006-10-17 2013-09-24 Athena Industrial Technologies Inc. Inspection apparatus and method
NL2002921C2 (en) * 2009-05-25 2010-11-30 Ntgen Tech Dienst B V R A METHOD OR NON-DESTRUCTIVELY TESTING, A SYSTEM AND A COMPUTER PROGRAM PRODUCT.
LU92351B1 (en) * 2014-01-09 2015-07-10 Tmt Tapping Measuring Technology Sarl Method and probe for determining the material distribution in a blast furnace
US10073058B2 (en) 2015-02-11 2018-09-11 Structural Integrity Associates Dynamic pulsed eddy current probe
US10895555B2 (en) 2015-03-30 2021-01-19 Structural Integrity Associates, Inc. System for in-line inspection using a dynamic pulsed eddy current probe and method thereof
US9880130B2 (en) 2015-12-15 2018-01-30 Eddyfi Ndt Inc. Pulsed eddy current testing with dual-purpose coils
WO2021102079A1 (en) 2019-11-20 2021-05-27 Square Robot, Inc. Systems, methods and apparatus for in-service tank inspections

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597678A (en) * 1968-12-24 1971-08-03 Williams Brothers Co Apparatus for sensing thickness variations, discontinuities, and the like in elongated steel structures by measuring variations in magnetic properties utilizing a flux gate
US5339256A (en) * 1991-11-27 1994-08-16 The United States Of Americas As Represented By The United States Department Of Energy Expert system for analyzing eddy current measurements
DE4327712C2 (de) * 1993-08-18 1997-07-10 Micro Epsilon Messtechnik Sensoranordnung und Verfahren zum Erfassen von Eigenschaften der Oberflächenschicht eines metallischen Targets
US5680042A (en) * 1994-12-30 1997-10-21 Lake Shore Cryotronics, Inc. Magnetoresistive sensor with reduced output signal jitter

Also Published As

Publication number Publication date
NO326709B1 (no) 2009-02-02
CA2279598A1 (en) 1998-08-06
CA2279598C (en) 2007-05-01
US6275030B1 (en) 2001-08-14
WO1998034104A1 (en) 1998-08-06
NO993712L (no) 1999-09-21
EP0956503A1 (en) 1999-11-17
AU5884898A (en) 1998-08-25
EP0956503B1 (en) 2003-05-07
NL1005160C2 (nl) 1998-08-03
DE69814351T2 (de) 2004-03-25
DE69814351D1 (de) 2003-06-12

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Legal Events

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