FR2671187B1 - - Google Patents
Info
- Publication number
- FR2671187B1 FR2671187B1 FR9016470A FR9016470A FR2671187B1 FR 2671187 B1 FR2671187 B1 FR 2671187B1 FR 9016470 A FR9016470 A FR 9016470A FR 9016470 A FR9016470 A FR 9016470A FR 2671187 B1 FR2671187 B1 FR 2671187B1
- 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 - Fee Related
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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9016470A FR2671187A1 (fr) | 1990-12-28 | 1990-12-28 | Dispositif de controle non destructif a courants de foucault. |
| US07/805,946 US5172058A (en) | 1990-12-28 | 1991-12-12 | Non-destructive eddy current testing device with signal compensation for signal propagation delay |
| DE69123827T DE69123827T2 (de) | 1990-12-28 | 1991-12-18 | Gerät zur zerstörungsfreien Prüfung mit Wirbelströmen |
| EP91121691A EP0492392B1 (fr) | 1990-12-28 | 1991-12-18 | Dispositif de contrÔle non destructif à courants de Foucault |
| CA002058522A CA2058522C (fr) | 1990-12-28 | 1991-12-27 | Dispositif de controle non destructif a courants de foucault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9016470A FR2671187A1 (fr) | 1990-12-28 | 1990-12-28 | Dispositif de controle non destructif a courants de foucault. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2671187A1 FR2671187A1 (fr) | 1992-07-03 |
| FR2671187B1 true FR2671187B1 (US06262066-20010717-C00315.png) | 1993-02-26 |
Family
ID=9403827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9016470A Granted FR2671187A1 (fr) | 1990-12-28 | 1990-12-28 | Dispositif de controle non destructif a courants de foucault. |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5977773A (en) * | 1997-08-15 | 1999-11-02 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Non-intrusive impedance-based cable tester |
| US5894223A (en) * | 1997-09-24 | 1999-04-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Non-intrusive cable tester |
| FR2806800B1 (fr) | 2000-03-23 | 2002-10-11 | Alstom | Dispositif pour effectuer des controles non destructifs par courant de foucault |
| AU2003286348A1 (en) * | 2002-12-20 | 2004-07-14 | Koninklijke Philips Electronics N.V. | Sensing light emitted from multiple light sources |
| US7295003B2 (en) * | 2004-09-22 | 2007-11-13 | The Boeing Company | Non-destructive testing system and method utilizing a magnetic field to identify defects in a layer of a laminated material |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3443212A (en) * | 1967-12-20 | 1969-05-06 | Atomic Energy Commission | Pulsed electromagnetic testing device with sampling means |
| US4059795A (en) * | 1976-06-03 | 1977-11-22 | Sensor Corporation | Digital eddy current apparatus for sensing and analyzing metallurgical characteristics of an electrically conductive material |
| US4084136A (en) * | 1976-10-21 | 1978-04-11 | Battelle Memorial Institute | Eddy current nondestructive testing device for measuring variable characteristics of a sample utilizing Walsh functions |
| US4230987A (en) * | 1979-02-26 | 1980-10-28 | Sensor Corporation | Digital eddy current apparatus for generating metallurgical signatures and monitoring metallurgical contents of an electrically conductive material |
| DE3068908D1 (en) * | 1979-12-07 | 1984-09-13 | Thorburn Technics Int | Eddy current inspection apparatus and probe |
| US4424486A (en) * | 1980-10-14 | 1984-01-03 | Zetec, Inc. | Phase rotation circuit for an eddy current tester |
| SU1099269A1 (ru) * | 1983-04-18 | 1984-06-23 | Днепропетровский Ордена Трудового Красного Знамени Государственный Университет Им.300-Летия Воссоединения Украины С Россией | Устройство дл вихретокового контрол электропровод щих материалов |
| JPS6011158A (ja) * | 1983-07-01 | 1985-01-21 | Nippon Kokan Kk <Nkk> | プロ−ブコイル式渦流探傷法 |
| SU1464067A1 (ru) * | 1987-07-06 | 1989-03-07 | В.И. Крапивин | Вихретоковое устройство дл неразрушающего контрол |
-
1990
- 1990-12-28 FR FR9016470A patent/FR2671187A1/fr active Granted
-
1991
- 1991-12-12 US US07/805,946 patent/US5172058A/en not_active Expired - Lifetime
- 1991-12-18 EP EP91121691A patent/EP0492392B1/fr not_active Expired - Lifetime
- 1991-12-18 DE DE69123827T patent/DE69123827T2/de not_active Expired - Fee Related
- 1991-12-27 CA CA002058522A patent/CA2058522C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2671187A1 (fr) | 1992-07-03 |
| DE69123827T2 (de) | 1997-04-10 |
| CA2058522C (fr) | 1998-05-12 |
| US5172058A (en) | 1992-12-15 |
| DE69123827D1 (de) | 1997-02-06 |
| EP0492392A1 (fr) | 1992-07-01 |
| EP0492392B1 (fr) | 1996-12-27 |
| CA2058522A1 (fr) | 1992-06-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |