FR2287676B3 - - Google Patents
Info
- Publication number
- FR2287676B3 FR2287676B3 FR7434074A FR7434074A FR2287676B3 FR 2287676 B3 FR2287676 B3 FR 2287676B3 FR 7434074 A FR7434074 A FR 7434074A FR 7434074 A FR7434074 A FR 7434074A FR 2287676 B3 FR2287676 B3 FR 2287676B3
- 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
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- 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
- G01V3/101—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
- G01V3/102—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Electronic Switches (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7434074A FR2287676A1 (fr) | 1974-10-10 | 1974-10-10 | Detecteur magnetique de proximite d'objets metalliques |
| DE19752544844 DE2544844A1 (de) | 1974-10-10 | 1975-10-07 | Metalldetektor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7434074A FR2287676A1 (fr) | 1974-10-10 | 1974-10-10 | Detecteur magnetique de proximite d'objets metalliques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2287676A1 FR2287676A1 (fr) | 1976-05-07 |
| FR2287676B3 true FR2287676B3 (https=) | 1977-07-22 |
Family
ID=9143925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7434074A Granted FR2287676A1 (fr) | 1974-10-10 | 1974-10-10 | Detecteur magnetique de proximite d'objets metalliques |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2544844A1 (https=) |
| FR (1) | FR2287676A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2473700A1 (fr) * | 1980-01-11 | 1981-07-17 | Jaeger | Capteur de proximite |
| CH696893A5 (de) * | 2003-05-28 | 2008-01-15 | Ampass Explorer Corp | Suchantennen-Polarisationsinstrument für eine Material-Detektoreinrichtung. |
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1974
- 1974-10-10 FR FR7434074A patent/FR2287676A1/fr active Granted
-
1975
- 1975-10-07 DE DE19752544844 patent/DE2544844A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2544844A1 (de) | 1976-04-22 |
| FR2287676A1 (fr) | 1976-05-07 |