CA1080821A - Metal detector - Google Patents
Metal detectorInfo
- Publication number
- CA1080821A CA1080821A CA171,993A CA171993A CA1080821A CA 1080821 A CA1080821 A CA 1080821A CA 171993 A CA171993 A CA 171993A CA 1080821 A CA1080821 A CA 1080821A
- Authority
- CA
- Canada
- Prior art keywords
- station
- metal
- receiving
- loop
- ferrous
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 258
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 258
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 110
- 230000005672 electromagnetic field Effects 0.000 claims description 16
- 230000010363 phase shift Effects 0.000 claims description 15
- -1 ferrous metals Chemical class 0.000 claims description 10
- 239000011810 insulating material Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 claims description 5
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims 4
- 239000013077 target material Substances 0.000 claims 2
- 230000001419 dependent effect Effects 0.000 claims 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 claims 1
- 230000001052 transient effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002153 concerted effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 101100506443 Danio rerio helt gene Proteins 0.000 description 1
- 101100506445 Mus musculus Helt gene Proteins 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- GWUSZQUVEVMBPI-UHFFFAOYSA-N nimetazepam Chemical compound N=1CC(=O)N(C)C2=CC=C([N+]([O-])=O)C=C2C=1C1=CC=CC=C1 GWUSZQUVEVMBPI-UHFFFAOYSA-N 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 description 1
- 239000004576 sand Substances 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25733472A | 1972-05-26 | 1972-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1080821A true CA1080821A (en) | 1980-07-01 |
Family
ID=22975874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA171,993A Expired CA1080821A (en) | 1972-05-26 | 1973-05-23 | Metal detector |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4963462A (enrdf_load_stackoverflow) |
| CA (1) | CA1080821A (enrdf_load_stackoverflow) |
| DE (1) | DE2326797A1 (enrdf_load_stackoverflow) |
| ES (1) | ES415206A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2189756B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1436900A (enrdf_load_stackoverflow) |
| IL (1) | IL42338A (enrdf_load_stackoverflow) |
| IT (1) | IT990589B (enrdf_load_stackoverflow) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2510764A1 (fr) * | 1981-07-30 | 1983-02-04 | Franquet Leon | Dispositif de detection d'objets metalliques, tels que des armes a feu, et sas d'acces de locaux equipes de tels dispositifs |
| JPS5889876U (ja) * | 1981-12-11 | 1983-06-17 | 株式会社杉山電機製作所 | 金属通過検出器 |
| US4751516A (en) * | 1985-01-10 | 1988-06-14 | Lichtblau G J | Antenna system for magnetic and resonant circuit detection |
| US4769631A (en) * | 1986-06-30 | 1988-09-06 | Sensormatic Electronics Corporation | Method, system and apparatus for magnetic surveillance of articles |
| AU622114B2 (en) * | 1988-07-08 | 1992-04-02 | Zetetic International Limited | Method and apparatus for selectively detecting objects |
| FI84209C (fi) * | 1988-11-01 | 1991-10-25 | Outokumpu Oy | Metalldetektor. |
| GB2232254A (en) * | 1989-05-30 | 1990-12-05 | Barkley & Dexter Lab Inc | Search coil assembly for metal detectors and method for making such an assembly |
| WO1991004502A1 (en) * | 1989-09-12 | 1991-04-04 | Bayliss Electronic Industries Pty. Ltd. | Induced field mineral value detector |
| WO1992001956A1 (en) * | 1990-07-20 | 1992-02-06 | John Lysaght (Australia) Limited | Strip position sensor |
| GB2249634A (en) * | 1990-11-07 | 1992-05-13 | Gec Ferranti Defence Syst | Security system for a vehicle |
| DE10157770C1 (de) * | 2001-11-27 | 2002-11-07 | Mustafa Uzman | Metallsuchgerät |
| DE20200759U1 (de) * | 2002-01-19 | 2002-04-04 | Maier & Fabris GmbH, 72072 Tübingen | Vorrichtung zur Detektion von Metallgegenständen |
| EP2439560B1 (en) | 2010-10-07 | 2013-05-29 | Mettler-Toledo Safeline Limited | Method for monitoring the operation of a metal detection system and metal detection system |
| EP2625551B1 (en) | 2010-10-07 | 2016-11-09 | Mettler-Toledo Safeline Limited | Method for operating a metal detection system and metal detection system |
| EP2439559B1 (en) | 2010-10-07 | 2013-05-29 | Mettler-Toledo Safeline Limited | Method for operating of a metal detection system and metal detection system |
| EP2562565B1 (en) | 2011-08-24 | 2014-03-05 | Mettler-Toledo Safeline Limited | Metal Detection Apparatus |
| US9018935B2 (en) | 2011-09-19 | 2015-04-28 | Mettler-Toledo Safeline Limited | Method for operating a metal detection apparatus and apparatus |
| ES2477840B1 (es) * | 2014-01-20 | 2015-02-27 | Lenz Instruments S.L. | Procedimiento para determinar parámetros de calidad en productos cárnicos e instalación correspondiente |
| GB201807699D0 (en) * | 2018-05-11 | 2018-06-27 | Univ Manchester | Metal detector and method of manufacturing the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1623104B2 (de) * | 1967-06-23 | 1974-09-12 | Clamann & Grahnert, X 8016 Dresden | Spulensystem für Metallspürgerät |
| US3665298A (en) * | 1970-01-05 | 1972-05-23 | Erico Prod Inc | Metal impurity detector for tubular conveyor system |
-
1973
- 1973-05-23 CA CA171,993A patent/CA1080821A/en not_active Expired
- 1973-05-23 GB GB2467173A patent/GB1436900A/en not_active Expired
- 1973-05-23 IL IL42338A patent/IL42338A/xx unknown
- 1973-05-25 DE DE2326797A patent/DE2326797A1/de not_active Withdrawn
- 1973-05-25 JP JP48059228A patent/JPS4963462A/ja active Pending
- 1973-05-25 IT IT24677/73A patent/IT990589B/it active
- 1973-05-25 ES ES415206A patent/ES415206A1/es not_active Expired
- 1973-05-25 FR FR7319138A patent/FR2189756B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2189756A1 (enrdf_load_stackoverflow) | 1974-01-25 |
| FR2189756B1 (enrdf_load_stackoverflow) | 1977-02-11 |
| IL42338A (en) | 1978-06-15 |
| IL42338A0 (en) | 1973-07-30 |
| IT990589B (it) | 1975-07-10 |
| JPS4963462A (enrdf_load_stackoverflow) | 1974-06-19 |
| ES415206A1 (es) | 1976-05-16 |
| AU5620573A (en) | 1974-11-28 |
| GB1436900A (en) | 1976-05-26 |
| DE2326797A1 (de) | 1973-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |