FR2195021B1 - - Google Patents

Info

Publication number
FR2195021B1
FR2195021B1 FR7228119A FR7228119A FR2195021B1 FR 2195021 B1 FR2195021 B1 FR 2195021B1 FR 7228119 A FR7228119 A FR 7228119A FR 7228119 A FR7228119 A FR 7228119A FR 2195021 B1 FR2195021 B1 FR 2195021B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7228119A
Other languages
French (fr)
Other versions
FR2195021A1 (US08197722-20120612-C00042.png
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR7228119A priority Critical patent/FR2195021B1/fr
Priority to US382052A priority patent/US3895290A/en
Priority to GB3497173A priority patent/GB1435803A/en
Priority to DE2338628A priority patent/DE2338628C2/de
Priority to IT69328/73A priority patent/IT991931B/it
Publication of FR2195021A1 publication Critical patent/FR2195021A1/fr
Application granted granted Critical
Publication of FR2195021B1 publication Critical patent/FR2195021B1/fr
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/265—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents responsive to phase angle between voltages or between currents

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)
FR7228119A 1972-08-03 1972-08-03 Expired FR2195021B1 (US08197722-20120612-C00042.png)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7228119A FR2195021B1 (US08197722-20120612-C00042.png) 1972-08-03 1972-08-03
US382052A US3895290A (en) 1972-08-03 1973-07-23 Defect detection system using an AND gate to distinguish specific flaw parameters
GB3497173A GB1435803A (en) 1972-08-03 1973-07-23 System for defect detection
DE2338628A DE2338628C2 (de) 1972-08-03 1973-07-30 Anordnung zum Steuern einer Alarmauslösung
IT69328/73A IT991931B (it) 1972-08-03 1973-08-01 Dispositivo di comando d allarmi in funzione del modulo e della fase di un impulso particolarmente per apparecchi di prova di materiali

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7228119A FR2195021B1 (US08197722-20120612-C00042.png) 1972-08-03 1972-08-03

Publications (2)

Publication Number Publication Date
FR2195021A1 FR2195021A1 (US08197722-20120612-C00042.png) 1974-03-01
FR2195021B1 true FR2195021B1 (US08197722-20120612-C00042.png) 1976-01-23

Family

ID=9102846

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7228119A Expired FR2195021B1 (US08197722-20120612-C00042.png) 1972-08-03 1972-08-03

Country Status (5)

Country Link
US (1) US3895290A (US08197722-20120612-C00042.png)
DE (1) DE2338628C2 (US08197722-20120612-C00042.png)
FR (1) FR2195021B1 (US08197722-20120612-C00042.png)
GB (1) GB1435803A (US08197722-20120612-C00042.png)
IT (1) IT991931B (US08197722-20120612-C00042.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209744A (en) * 1976-04-29 1980-06-24 Fedosenko Jury K Eddy current device for automatically testing the quality of elongated electrically conductive objects by non-destructive techniques
US4287474A (en) * 1979-02-12 1981-09-01 Fastritsky Viktor S Method and apparatus for non-destructive quality testing of spot welds
DE3068908D1 (en) * 1979-12-07 1984-09-13 Thorburn Technics Int Eddy current inspection apparatus and probe
DE3213267A1 (de) * 1982-04-08 1983-10-20 Nukem Gmbh, 6450 Hanau Verfahren und vorrichtung zur pruefung von werkstoffen nach dem wirbelstromprinzip
US4631533A (en) * 1984-06-15 1986-12-23 Westinghouse Electric Corp. Display of eddy current detector data
US4644336A (en) * 1984-06-15 1987-02-17 Westinghouse Electric Corp. Color display of related parameters
US4727330A (en) * 1985-01-07 1988-02-23 Conductivity Diagnostics Research Method and apparatus for measuring the electrical conductivity of a subject
DE3720686A1 (de) * 1987-06-23 1989-01-05 Foerster Inst Dr Friedrich Verfahren zum untersuchen eines objektes
FR2627862A1 (fr) * 1988-02-26 1989-09-01 Commissariat Energie Atomique Procede de controle par courants de foucault impulsionnels et dispositif de mise en oeuvre
DE3817574A1 (de) * 1988-05-24 1989-11-30 Fraunhofer Ges Forschung Wirbelstromsensor
JP2529979Y2 (ja) * 1991-11-05 1997-03-26 株式会社ユニシアジェックス センサ処理回路
US5895439A (en) * 1996-10-15 1999-04-20 Southwest Research Institute Method for generating and displaying complex data derived from non-destructive evaluation scanning
JP4809039B2 (ja) * 2005-11-07 2011-11-02 偕成エンジニア株式会社 電磁誘導型検査装置および電磁誘導型検査方法
CH710013A1 (fr) * 2014-08-25 2016-02-29 Sensima Inspection Capteur flexible intégré pour la surveillance de défauts et méthodes de génération d'alarme pour signaler leur détection.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB975561A (en) * 1960-07-22 1964-11-18 Wiggin & Co Ltd Henry Improvements in or relating to eddy current testing of metals
US3405354A (en) * 1965-07-19 1968-10-08 Magnetic Analysis Corp Apparatus for limiting phase-angle response range, particularly in eddy current testing apparatus
US3475681A (en) * 1965-08-02 1969-10-28 Magnaflux Corp Apparatus display system for providing plural indications and threshold indications
SE311771B (US08197722-20120612-C00042.png) * 1966-09-01 1969-06-23 Automation Ind Inc

Also Published As

Publication number Publication date
US3895290A (en) 1975-07-15
IT991931B (it) 1975-08-30
DE2338628A1 (de) 1974-02-21
FR2195021A1 (US08197722-20120612-C00042.png) 1974-03-01
DE2338628C2 (de) 1986-04-03
GB1435803A (en) 1976-05-19

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Legal Events

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ST Notification of lapse