JPS6212476B2 - - Google Patents
Info
- Publication number
- JPS6212476B2 JPS6212476B2 JP50136446A JP13644675A JPS6212476B2 JP S6212476 B2 JPS6212476 B2 JP S6212476B2 JP 50136446 A JP50136446 A JP 50136446A JP 13644675 A JP13644675 A JP 13644675A JP S6212476 B2 JPS6212476 B2 JP S6212476B2
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- end member
- core
- sensor
- magnetic
- 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 claims description 72
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 16
- 230000005284 excitation Effects 0.000 description 15
- 238000004804 winding Methods 0.000 description 13
- 239000000919 ceramic Substances 0.000 description 10
- 238000005452 bending Methods 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 4
- 229910000889 permalloy Inorganic materials 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 241001417935 Platycephalidae Species 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Measuring Magnetic Variables (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/525,574 US3961245A (en) | 1974-11-20 | 1974-11-20 | Magnetic locator having improved sensors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5173464A JPS5173464A (US08066781-20111129-C00013.png) | 1976-06-25 |
| JPS6212476B2 true JPS6212476B2 (US08066781-20111129-C00013.png) | 1987-03-18 |
Family
ID=24093800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50136446A Expired JPS6212476B2 (US08066781-20111129-C00013.png) | 1974-11-20 | 1975-11-14 |
Country Status (5)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2832251A1 (de) * | 1978-07-22 | 1980-02-21 | Foerster Friedrich Dr | Verfahren und anordnung zum aufsuchen ferromagnetischer koerper |
| DE2942847C2 (de) * | 1979-10-24 | 1983-03-24 | Friedrich Dr.phil. 7410 Reutlingen Förster | Magnetfelddifferenzsonde |
| US4388592A (en) * | 1980-06-24 | 1983-06-14 | Schonstedt Instrument Company | Multiaxis magnetometer apparatus with orthogonally disposed rectangular housings for mounting separate sensor assemblies |
| GB2078968B (en) * | 1980-06-24 | 1984-07-25 | Schonstedt Instrument Co | Magnetic sensors having misalignment compensating means |
| IT1171429B (it) * | 1981-07-31 | 1987-06-10 | Consiglio Nazionale Ricerche | Perfezionamento nei dispositivo per misure biomagnetiche utilizzanti gradiometri a seconda derivata |
| DE3221301A1 (de) * | 1982-06-05 | 1983-12-08 | Seba-Dynatronic Mess- und Ortungstechnik gmbH, 8601 Baunach | Verfahren zum orten unterirdisch, ferromagnetischer koerper |
| US4539522A (en) * | 1982-06-23 | 1985-09-03 | Schonstedt Instrument Company | Magnetic detector apparatus with liquid-supported, conductive, sensor-support tube |
| US4590425A (en) * | 1982-06-23 | 1986-05-20 | Schonstedt Instrument Company | Magnetic detector apparatus with excitation conductors connected in series via sensor housing |
| US4536710A (en) * | 1982-08-10 | 1985-08-20 | Schonstedt Instrument Company | Magnetic detector instrument with board-mounted sensor assembly |
| US4520318A (en) * | 1983-02-17 | 1985-05-28 | Marcel Hascal | Electric field strength indicator |
| CA1244083A (en) * | 1985-07-25 | 1988-11-01 | George Gee | Instrument for sensing ferromagnetic bodies |
| SE8600148L (sv) * | 1986-01-14 | 1987-07-15 | Marineagent Ab | Magnetisk gradiometer |
| US5106175A (en) * | 1989-12-28 | 1992-04-21 | At&T Bell Laboratories | Locatable object suitable for underground use and methods of locating same |
| US5097211A (en) * | 1990-05-25 | 1992-03-17 | Schonstedt Instrument Company | Magnetic detection appartaus with plastic housing and sound-transmissive handle |
| US5138761A (en) * | 1990-05-25 | 1992-08-18 | Schonstedt Instrument Company | Method of manufacturing magnetic detection apparatus |
| US5136245A (en) * | 1990-05-25 | 1992-08-04 | Schonstedt Instrument Company | Magnetic detection apparatus with sensors mounted on channel or angle cantilever support |
| DE4232466A1 (de) * | 1992-09-28 | 1994-03-31 | Klaus Ebinger | Magnetometersonde |
| WO1994024584A1 (en) * | 1993-04-20 | 1994-10-27 | Schonstedt Instrument Company | Methods of detecting location of magnetically-marked elongated buried objects |
| US6380735B1 (en) * | 1999-04-30 | 2002-04-30 | Sumitomo Special Metals Co., Ltd. | Orthogonal flux-gate type magnetic sensor |
| US6960912B2 (en) * | 2003-05-12 | 2005-11-01 | Vacuumschmelze Gmbh & Co. Kg | Magnetic field sensor device |
| JP6053508B2 (ja) * | 2012-12-26 | 2016-12-27 | 株式会社沖縄計測 | 磁気探査機器 |
| CN112534287B (zh) * | 2018-09-05 | 2024-05-31 | 阿尔卑斯阿尔派株式会社 | 传感器元件的安装结构、移动量检测装置及其制造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4979267A (US08066781-20111129-C00013.png) * | 1972-11-03 | 1974-07-31 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3050679A (en) * | 1960-02-18 | 1962-08-21 | Erick O Schonstedt | Device for detecting or measuring magnetic fields |
-
1974
- 1974-11-20 US US05/525,574 patent/US3961245A/en not_active Expired - Lifetime
-
1975
- 1975-11-11 GB GB46526/75A patent/GB1494865A/en not_active Expired
- 1975-11-14 JP JP50136446A patent/JPS6212476B2/ja not_active Expired
- 1975-11-19 CA CA240,031A patent/CA1037121A/en not_active Expired
- 1975-11-19 DE DE2551968A patent/DE2551968C3/de not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4979267A (US08066781-20111129-C00013.png) * | 1972-11-03 | 1974-07-31 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5173464A (US08066781-20111129-C00013.png) | 1976-06-25 |
| DE2551968A1 (de) | 1976-05-26 |
| DE2551968C3 (de) | 1978-03-02 |
| CA1037121A (en) | 1978-08-22 |
| GB1494865A (en) | 1977-12-14 |
| DE2551968B2 (de) | 1977-07-07 |
| US3961245A (en) | 1976-06-01 |
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