FR2312777B1 - - Google Patents
Info
- Publication number
- FR2312777B1 FR2312777B1 FR7517661A FR7517661A FR2312777B1 FR 2312777 B1 FR2312777 B1 FR 2312777B1 FR 7517661 A FR7517661 A FR 7517661A FR 7517661 A FR7517661 A FR 7517661A FR 2312777 B1 FR2312777 B1 FR 2312777B1
- 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
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
-
- 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)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7517661A FR2312777A1 (fr) | 1975-05-30 | 1975-05-30 | Perfectionnements apportes au controle electromagnetique de matieres ferromagnetiques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7517661A FR2312777A1 (fr) | 1975-05-30 | 1975-05-30 | Perfectionnements apportes au controle electromagnetique de matieres ferromagnetiques |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2312777A1 FR2312777A1 (fr) | 1976-12-24 |
FR2312777B1 true FR2312777B1 (US20080293856A1-20081127-C00150.png) | 1981-02-13 |
Family
ID=9156117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7517661A Granted FR2312777A1 (fr) | 1975-05-30 | 1975-05-30 | Perfectionnements apportes au controle electromagnetique de matieres ferromagnetiques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2312777A1 (US20080293856A1-20081127-C00150.png) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1161113A (en) * | 1979-04-17 | 1984-01-24 | Michael R. Williams | Geophysical surveying method |
GB2100004A (en) * | 1981-05-26 | 1982-12-15 | Flather Bright Steels | Non-destructive testing |
DE3813739A1 (de) * | 1988-04-23 | 1989-11-02 | Fraunhofer Ges Forschung | Verfahren zum zerstoerungsfreien messen magnetischer eigenschaften eines pruefkoerpers sowie vorrichtung zum zerstoerungsfreien messen magnetischer eigenschaften eines pruefkoerpers |
US5283524A (en) * | 1989-10-02 | 1994-02-01 | U.S. Philips Corporation | AC magnetic susceptometer with odd harmonic measurement for analyzing superconductive magnetic materials |
US5280240A (en) * | 1989-10-02 | 1994-01-18 | North American Philips Corporation | Methodology using odd harmonic components of an induced magnetic field for analyzing superconducting magnetic materials and their properties |
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1975
- 1975-05-30 FR FR7517661A patent/FR2312777A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2312777A1 (fr) | 1976-12-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |