CA1177891A - Magnetic sensors having misalignment compensating means - Google Patents
Magnetic sensors having misalignment compensating meansInfo
- Publication number
- CA1177891A CA1177891A CA000378965A CA378965A CA1177891A CA 1177891 A CA1177891 A CA 1177891A CA 000378965 A CA000378965 A CA 000378965A CA 378965 A CA378965 A CA 378965A CA 1177891 A CA1177891 A CA 1177891A
- Authority
- CA
- Canada
- Prior art keywords
- tube
- cap
- magnetic
- bore
- relative
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 description 5
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001637516 Polygonia c-album Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 239000012858 resilient material Substances 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
- G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/022—Measuring gradient
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measuring Magnetic Variables (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Geophysics And Detection Of Objects (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16248980A | 1980-06-24 | 1980-06-24 | |
| US162,489 | 1980-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1177891A true CA1177891A (en) | 1984-11-13 |
Family
ID=22585840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000378965A Expired CA1177891A (en) | 1980-06-24 | 1981-06-03 | Magnetic sensors having misalignment compensating means |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5730965A (enExample) |
| CA (1) | CA1177891A (enExample) |
| DE (1) | DE3124255C2 (enExample) |
| FR (1) | FR2485751A1 (enExample) |
| GB (1) | GB2078968B (enExample) |
| NO (1) | NO155025C (enExample) |
| SE (1) | SE445956B (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2135460B (en) * | 1983-01-20 | 1987-10-07 | Scopemoor Ltd | Detecting hidden objects |
| US4719426A (en) * | 1983-01-20 | 1988-01-12 | Scopemoor Limited | Method for magnetically detecting a localized disturbance of the ground |
| JPH0792499B2 (ja) * | 1984-08-08 | 1995-10-09 | 三菱電機株式会社 | 磁界測定子位置決め装置 |
| FR2582905B1 (fr) * | 1985-06-07 | 1989-08-25 | Agot Aime | Dispositif de detection pour animaux. |
| GB2230341B (en) * | 1989-01-28 | 1994-01-05 | Cambridge Engineering Design L | Apparatus for and method of measuring magnetic flux density |
| DE4210905A1 (de) * | 1992-04-02 | 1993-10-07 | Steingroever Magnet Physik | Magnetfeld-Sensor mit akustischer Anzeige |
| DE4232466A1 (de) * | 1992-09-28 | 1994-03-31 | Klaus Ebinger | Magnetometersonde |
| WO2012073182A1 (en) | 2010-11-30 | 2012-06-07 | Koninklijke Philips Electronics N.V. | A sensor device for magnetically actuated particles |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2966853A (en) * | 1941-10-27 | 1961-01-03 | Jr Edward S Gilfillan | Buoyant mine with gradiometer |
| US2981885A (en) * | 1958-07-21 | 1961-04-25 | Erick O Schonstedt | Saturable measuring device and magnetic core therefor |
| US3050679A (en) * | 1960-02-18 | 1962-08-21 | Erick O Schonstedt | Device for detecting or measuring magnetic fields |
| US3487459A (en) * | 1968-03-28 | 1969-12-30 | Erick O Schonstedt | Induced magnetic compensation for misalignment of magnetic gradiometer sensors |
| US3488579A (en) * | 1969-04-01 | 1970-01-06 | Erick O Schonstedt | Magnetic gradiometer apparatus with misalignment compensation |
| US3757209A (en) * | 1972-02-11 | 1973-09-04 | E Schonstedt | Compensation for misalignment of magnetic sensors |
| US3961245A (en) * | 1974-11-20 | 1976-06-01 | Schonstedt Instrument Company | Magnetic locator having improved sensors |
| DE2929404C2 (de) * | 1979-07-20 | 1983-10-27 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Differenzfeldsonde |
-
1981
- 1981-05-28 GB GB8116312A patent/GB2078968B/en not_active Expired
- 1981-06-03 CA CA000378965A patent/CA1177891A/en not_active Expired
- 1981-06-05 NO NO811927A patent/NO155025C/no unknown
- 1981-06-05 SE SE8103541A patent/SE445956B/sv not_active IP Right Cessation
- 1981-06-19 DE DE3124255A patent/DE3124255C2/de not_active Expired
- 1981-06-23 FR FR8112295A patent/FR2485751A1/fr active Granted
- 1981-06-24 JP JP9679181A patent/JPS5730965A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2485751A1 (fr) | 1981-12-31 |
| DE3124255A1 (de) | 1982-06-24 |
| NO811927L (no) | 1981-12-28 |
| NO155025B (no) | 1986-10-20 |
| GB2078968B (en) | 1984-07-25 |
| SE8103541L (sv) | 1981-12-25 |
| FR2485751B1 (enExample) | 1984-11-30 |
| GB2078968A (en) | 1982-01-13 |
| JPS5730965A (en) | 1982-02-19 |
| NO155025C (no) | 1987-01-28 |
| SE445956B (sv) | 1986-07-28 |
| DE3124255C2 (de) | 1985-05-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |