FR2478325A1 - Detecteur de proximite - Google Patents
Detecteur de proximite Download PDFInfo
- Publication number
- FR2478325A1 FR2478325A1 FR8005735A FR8005735A FR2478325A1 FR 2478325 A1 FR2478325 A1 FR 2478325A1 FR 8005735 A FR8005735 A FR 8005735A FR 8005735 A FR8005735 A FR 8005735A FR 2478325 A1 FR2478325 A1 FR 2478325A1
- Authority
- FR
- France
- Prior art keywords
- insulating resin
- proximity sensor
- tube
- proximity
- coil
- 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.)
- Granted
Links
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 230000001939 inductive effect Effects 0.000 claims description 18
- 229910000859 α-Fe Inorganic materials 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 9
- 230000005294 ferromagnetic effect Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000004922 lacquer Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 abstract 2
- 230000005291 magnetic effect Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- G01V3/08—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8005735A FR2478325A1 (fr) | 1980-03-14 | 1980-03-14 | Detecteur de proximite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8005735A FR2478325A1 (fr) | 1980-03-14 | 1980-03-14 | Detecteur de proximite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2478325A1 true FR2478325A1 (fr) | 1981-09-18 |
| FR2478325B1 FR2478325B1 (enExample) | 1984-05-25 |
Family
ID=9239674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8005735A Granted FR2478325A1 (fr) | 1980-03-14 | 1980-03-14 | Detecteur de proximite |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2478325A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0385575A3 (en) * | 1989-03-02 | 1991-08-28 | Bently Nevada Corporation | Proximity sensor and method of making |
-
1980
- 1980-03-14 FR FR8005735A patent/FR2478325A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0385575A3 (en) * | 1989-03-02 | 1991-08-28 | Bently Nevada Corporation | Proximity sensor and method of making |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2478325B1 (enExample) | 1984-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |