CA1122669A - Magnetic detector - Google Patents
Magnetic detectorInfo
- Publication number
- CA1122669A CA1122669A CA296,268A CA296268A CA1122669A CA 1122669 A CA1122669 A CA 1122669A CA 296268 A CA296268 A CA 296268A CA 1122669 A CA1122669 A CA 1122669A
- Authority
- CA
- Canada
- Prior art keywords
- detector
- ferromagnetic material
- ferromagnetic
- search
- field
- 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 26
- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010936 titanium Substances 0.000 claims abstract description 12
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 15
- 230000004907 flux Effects 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 5
- 239000011236 particulate material Substances 0.000 claims description 5
- 230000005672 electromagnetic field Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 235000021251 pulses Nutrition 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001464057 Electroma Species 0.000 description 1
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- 235000001537 Ribes X gardonianum Nutrition 0.000 description 1
- 235000001535 Ribes X utile Nutrition 0.000 description 1
- 235000016919 Ribes petraeum Nutrition 0.000 description 1
- 244000281247 Ribes rubrum Species 0.000 description 1
- 235000002355 Ribes spicatum Nutrition 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002907 paramagnetic material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002023 wood 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
- G01V3/08—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
- G01V3/107—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 using compensating coil or loop arrangements
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)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB401577A GB1570640A (en) | 1977-02-01 | 1977-02-01 | Magnetic detector |
| GB4015/77 | 1977-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1122669A true CA1122669A (en) | 1982-04-27 |
Family
ID=9769153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA296,268A Expired CA1122669A (en) | 1977-02-01 | 1978-02-01 | Magnetic detector |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS53121648A (enrdf_load_html_response) |
| CA (1) | CA1122669A (enrdf_load_html_response) |
| DE (1) | DE2804090A1 (enrdf_load_html_response) |
| FR (1) | FR2379077A1 (enrdf_load_html_response) |
| GB (1) | GB1570640A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017205958A1 (en) * | 2015-06-02 | 2017-12-07 | Syncrude Canada Ltd. In Trust For The Owners Of The Syncrude Project As Such Owners Exist Now And In The Future | Tramp metal detection |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2494447A1 (fr) * | 1980-11-14 | 1982-05-21 | Radiotechnique | Procede pour detecter la presence d'une piece metallique, notamment en mouvement, et dispositif de mise en oeuvre de ce procede |
| DE3840848A1 (de) * | 1988-12-03 | 1990-06-07 | Draegerwerk Ag | Werkstoff mit vorgebbarer magnetischer suszeptibilitaet |
| GB8920957D0 (en) * | 1989-09-15 | 1989-11-01 | Hitech Metal Detectors Ltd | Metal detecting apparatus and apparatus for testing metal detecting apparatus |
| WO1992001956A1 (en) * | 1990-07-20 | 1992-02-06 | John Lysaght (Australia) Limited | Strip position sensor |
| DE19830584C2 (de) * | 1997-10-11 | 2001-11-22 | Mesutronic Geraetebau Gmbh | Aufnehmer-Vorrichtung |
| DE19954716B4 (de) * | 1999-11-13 | 2006-08-31 | Mesutronic Gerätebau GmbH | Funktionsprüfung für einen Metalldetektor |
| CN104549726B (zh) * | 2015-01-04 | 2017-01-25 | 湖北省地质勘查装备中心 | 中磁电磁分选仪 |
| CN112824871B (zh) * | 2019-11-20 | 2022-11-15 | 中国南方电网有限责任公司超高压输电公司贵阳局 | 基于瞬变电磁视电阻率成像技术的接地网缺陷诊断方法 |
| CN116380163B (zh) * | 2023-03-29 | 2024-01-19 | 青岛峻海物联科技有限公司 | 一种用于物联网的智能环境数据采集的传感装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2045769A (en) * | 1928-05-31 | 1936-06-30 | Rca Corp | Electrical control circuit |
| US2315045A (en) * | 1939-10-09 | 1943-03-30 | Illinois Testing Laboratories | Metal detection device |
| US2444751A (en) * | 1946-02-12 | 1948-07-06 | Western Electric Co | Method and apparatus for sorting magnetic materials according to their residual magnetism |
| FR928347A (fr) * | 1946-05-20 | 1947-11-25 | Perfectionnements aux dispositifs pour détecter les corps ferreux ou magnétiques ou les irrégularités qui existent dans les objets ferreux ou magnétiques | |
| JPS51120792A (en) * | 1975-04-16 | 1976-10-22 | Densoku Kogyo Kk | Device for detecting metals mixed in fluids |
-
1977
- 1977-02-01 GB GB401577A patent/GB1570640A/en not_active Expired
-
1978
- 1978-01-31 DE DE19782804090 patent/DE2804090A1/de not_active Ceased
- 1978-01-31 FR FR7802708A patent/FR2379077A1/fr active Granted
- 1978-02-01 JP JP1037778A patent/JPS53121648A/ja active Pending
- 1978-02-01 CA CA296,268A patent/CA1122669A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017205958A1 (en) * | 2015-06-02 | 2017-12-07 | Syncrude Canada Ltd. In Trust For The Owners Of The Syncrude Project As Such Owners Exist Now And In The Future | Tramp metal detection |
| US10274630B2 (en) | 2015-06-02 | 2019-04-30 | Syncrude Canada Ltd. In Trust For The Owners Of The Syncrude Project As Such Owners Exist Now And In The Future | Tramp metal detection |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2379077B1 (enrdf_load_html_response) | 1984-05-25 |
| FR2379077A1 (fr) | 1978-08-25 |
| GB1570640A (en) | 1980-07-02 |
| DE2804090A1 (de) | 1978-08-24 |
| JPS53121648A (en) | 1978-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0536288B1 (en) | Metal detector | |
| US5413222A (en) | Method for separating a particular metal fraction from a stream of materials containing various metals | |
| CA1122669A (en) | Magnetic detector | |
| US2504731A (en) | Electronic ore sorting | |
| US5315243A (en) | Detection and discrimination between ferromagnetic and non-ferromagnetic conductive particles in a fluid | |
| JPH03111791A (ja) | 金属検出装置及び金属検出装置の試験装置 | |
| EP2312338B1 (de) | Vorrichtung und Verfahren zur Detektion von elektrisch leitfähigen Gegenständen | |
| US10444174B2 (en) | Method for testing a metal detection apparatus and metal detection apparatus | |
| EP1384997B1 (de) | Verfahren und Vorrichtung zur Auswertung von Wirbelstrom-Messsignalen | |
| RU2353439C2 (ru) | Способ сепарации алмазосодержащих материалов и устройство для его осуществления | |
| US4906925A (en) | Apparatus for detecting conductive materials in a moving flow | |
| US4863040A (en) | Apparatus for separating a contaminated portion of bulk material from a flow of bulk material | |
| US20040155651A1 (en) | Flux control system for metal detectors | |
| CA2027949C (en) | Particle classification | |
| US3665298A (en) | Metal impurity detector for tubular conveyor system | |
| US3588685A (en) | Device for detecting nonmagnetic or magnetic conducting bodies for conveyors using coils whose projection on the conveyors are essentially trapezoidal | |
| Bick et al. | A SQUID-based metal detector—comparison to coil and X-ray systems | |
| US3706027A (en) | Materials counting system utilizing permanent magnets and their associated fields | |
| EP0405017B1 (en) | Device for ejecting wrongly oriented covers from a continuous flow | |
| EP1347311B1 (de) | Verfahren zum Detektieren von Objekten, insbesondere von Metallobjekten | |
| DE19830584A1 (de) | Aufnehmer-Vorrichtung | |
| US3586164A (en) | Hardness detector and article selecting device | |
| EP0680022A2 (de) | Verfahren und Anordnung zur Prüfung von Metallfäden, -bändern und -partikeln | |
| GB2219526A (en) | Method and apparatus for the preparation of scrap | |
| US2985300A (en) | Testing of magnetic materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |