FR1335569A - Perfectionnements aux appareils de mesure de conductivité par induction - Google Patents
Perfectionnements aux appareils de mesure de conductivité par inductionInfo
- Publication number
- FR1335569A FR1335569A FR903329A FR903329A FR1335569A FR 1335569 A FR1335569 A FR 1335569A FR 903329 A FR903329 A FR 903329A FR 903329 A FR903329 A FR 903329A FR 1335569 A FR1335569 A FR 1335569A
- Authority
- FR
- France
- Prior art keywords
- measuring devices
- conductivity measuring
- inductive conductivity
- inductive
- devices
- Prior art date
- 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
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
- G01V3/28—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils
-
- 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
-
- 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
- G01N27/025—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil a current being generated within the material by induction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
- G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
- G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
- G01V3/105—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Geophysics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE633100D BE633100A (fr) | 1946-06-11 | ||
NL294973D NL294973A (fr) | 1946-06-11 | ||
NL132706D NL132706C (fr) | 1946-06-11 | ||
US752039A US2519966A (en) | 1946-06-11 | 1947-06-03 | Fountain pen |
FR903329A FR1335569A (fr) | 1962-07-07 | 1962-07-07 | Perfectionnements aux appareils de mesure de conductivité par induction |
GB22565/63A GB1001379A (en) | 1946-06-11 | 1963-06-06 | Improvements in or relating to a method of and apparatus for measuring conductivities through induction |
DE1963S0085771 DE1616646B1 (de) | 1946-06-11 | 1963-06-21 | Verfahren und schaltungsanordnungen zum messen der elektri schen leitfähigkeit eines prüflings |
US292639A US3340464A (en) | 1946-06-11 | 1963-07-03 | Induction investigation apparatus having time shared operations including phase calibration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR903329A FR1335569A (fr) | 1962-07-07 | 1962-07-07 | Perfectionnements aux appareils de mesure de conductivité par induction |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1335569A true FR1335569A (fr) | 1963-08-23 |
Family
ID=8782746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR903329A Expired FR1335569A (fr) | 1946-06-11 | 1962-07-07 | Perfectionnements aux appareils de mesure de conductivité par induction |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1335569A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0015822A1 (fr) * | 1979-03-09 | 1980-09-17 | COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel | Appareil numérique pour le contrôle de pièces par courants de Foucault |
EP0212324A2 (fr) * | 1985-08-22 | 1987-03-04 | Micro-Epsilon Messtechnik GmbH & Co. Kommanditgesellschaft | Procédé pour tester sans contact des objets électriquement conducteurs et appareil pour la mise en oeuvre de ce procédé |
-
1962
- 1962-07-07 FR FR903329A patent/FR1335569A/fr not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0015822A1 (fr) * | 1979-03-09 | 1980-09-17 | COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel | Appareil numérique pour le contrôle de pièces par courants de Foucault |
FR2451032A1 (fr) * | 1979-03-09 | 1980-10-03 | Commissariat Energie Atomique | Appareil numerique pour le controle de pieces par courants de foucault |
US4322683A (en) * | 1979-03-09 | 1982-03-30 | Commissariat A L'energie Atomique | Control apparatus for eddy current non-destructive testing using a digital compensating circuit |
EP0212324A2 (fr) * | 1985-08-22 | 1987-03-04 | Micro-Epsilon Messtechnik GmbH & Co. Kommanditgesellschaft | Procédé pour tester sans contact des objets électriquement conducteurs et appareil pour la mise en oeuvre de ce procédé |
EP0212324A3 (fr) * | 1985-08-22 | 1989-03-15 | Micro-Epsilon Messtechnik GmbH & Co. Kommanditgesellschaft | Procédé pour tester sans contact des objets électriquement conducteurs et appareil pour la mise en oeuvre de ce procédé |
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