SE502490C2 - System och anordning för magnetisk övervakning av varor - Google Patents
System och anordning för magnetisk övervakning av varorInfo
- Publication number
- SE502490C2 SE502490C2 SE8700957A SE8700957A SE502490C2 SE 502490 C2 SE502490 C2 SE 502490C2 SE 8700957 A SE8700957 A SE 8700957A SE 8700957 A SE8700957 A SE 8700957A SE 502490 C2 SE502490 C2 SE 502490C2
- Authority
- SE
- Sweden
- Prior art keywords
- magnetic
- field
- screen
- shielding material
- control area
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 claims abstract description 71
- 230000004044 response Effects 0.000 claims abstract description 30
- 230000005284 excitation Effects 0.000 claims description 16
- 230000035515 penetration Effects 0.000 claims description 16
- 230000004907 flux Effects 0.000 claims description 11
- 230000035699 permeability Effects 0.000 claims description 11
- 230000035945 sensitivity Effects 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 10
- 239000003550 marker Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 8
- 229910000859 α-Fe Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000012256 powdered iron Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012255 powdered metal Substances 0.000 description 2
- 239000004616 structural foam Substances 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000006842 Henry reaction Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
- G08B13/2408—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using ferromagnetic tags
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2428—Tag details
- G08B13/2437—Tag layered structure, processes for making layered tags
- G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2468—Antenna in system and the related signal processing
- G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/880,138 US4769631A (en) | 1986-06-30 | 1986-06-30 | Method, system and apparatus for magnetic surveillance of articles |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8700957D0 SE8700957D0 (sv) | 1987-03-09 |
| SE8700957L SE8700957L (sv) | 1987-12-31 |
| SE502490C2 true SE502490C2 (sv) | 1995-10-30 |
Family
ID=25375585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8700957A SE502490C2 (sv) | 1986-06-30 | 1987-03-09 | System och anordning för magnetisk övervakning av varor |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4769631A (es) |
| JP (1) | JPH0782592B2 (es) |
| AR (1) | AR241468A1 (es) |
| BR (1) | BR8703291A (es) |
| CA (1) | CA1266311A (es) |
| DE (1) | DE3715387A1 (es) |
| FR (1) | FR2613083B1 (es) |
| GB (1) | GB2194414B (es) |
| SE (1) | SE502490C2 (es) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4859991A (en) * | 1987-08-28 | 1989-08-22 | Sensormatic Electronics Corporation | Electronic article surveillance system employing time domain and/or frequency domain analysis and computerized operation |
| DE3844848C2 (de) * | 1987-08-28 | 1995-11-23 | Sensormatic Electronics Corp | Antenne für eine Anlage zur Artikelüberwachung |
| DE3828691B4 (de) * | 1987-08-28 | 2004-11-25 | Sensormatic Electronics Corp., Boca Raton | Elektronische Artikelüberwachungsanlage |
| US5103234A (en) * | 1987-08-28 | 1992-04-07 | Sensormatic Electronics Corporation | Electronic article surveillance system |
| GB8808933D0 (en) * | 1988-04-15 | 1988-05-18 | Scient Generics Ltd | Antipilferage system |
| US5121103A (en) * | 1988-07-29 | 1992-06-09 | Knogo Corporation | Load isolated article surveillance system and antenna assembly |
| US5003291A (en) * | 1988-12-27 | 1991-03-26 | Strom Olsen John O | Ferromagnetic fibers having use in electronical article surveillance and method of making same |
| GB9004431D0 (en) * | 1990-02-28 | 1990-04-25 | Scient Generics Ltd | Detection system for security systems |
| US5170045A (en) * | 1990-03-20 | 1992-12-08 | Esselte Meto Eas Int. Ab | Price tag deactivator |
| US5051726A (en) * | 1990-08-14 | 1991-09-24 | Sensormatic Electronics Corporation | Electronic article surveillance system with antenna array for enhanced field falloff |
| US5218371A (en) * | 1990-08-14 | 1993-06-08 | Sensormatic Electronics Corporation | Antenna array for enhanced field falloff |
| US5130697A (en) * | 1990-10-30 | 1992-07-14 | Sensormatic Electronics Corporation | Method and apparatus for shaping a magnetic field |
| US5083111A (en) * | 1990-11-26 | 1992-01-21 | Sensormatic Electronics Corporation | Jamming apparatus for electronic article surveillance systems |
| WO1992017866A1 (en) * | 1991-04-03 | 1992-10-15 | Integrated Silicon Design Pty. Ltd. | Article sorting system |
| US5341125A (en) * | 1992-01-15 | 1994-08-23 | Sensormatic Electronics Corporation | Deactivating device for deactivating EAS dual status magnetic tags |
| IT1265721B1 (it) * | 1992-11-11 | 1996-12-02 | Alessandro Manneschi | Metal detector ad avvolgimenti multipolari con l'eliminazione di effetti neutralizzanti |
| US5664582A (en) * | 1992-11-17 | 1997-09-09 | Szymaitis; Dennis W. | Method for detecting, distinguishing and counting objects |
| US5456718A (en) * | 1992-11-17 | 1995-10-10 | Szymaitis; Dennis W. | Apparatus for detecting surgical objects within the human body |
| US5373301A (en) * | 1993-01-04 | 1994-12-13 | Checkpoint Systems, Inc. | Transmit and receive antenna having angled crossover elements |
| GB9321633D0 (en) * | 1993-10-20 | 1993-12-08 | Transfer Technology Ltd | Improvements in and relating to metal detectors and methods for making same |
| CA2148749A1 (en) * | 1994-08-30 | 1996-03-01 | Joerg W. Zschirnt | Apparatus for deactivation of electronic article surveillance tags |
| US5627516A (en) * | 1994-09-28 | 1997-05-06 | Sensormatic Electronics Corporation | Electronic article surveillance input configuration control system employing expert system techniques for dynamic optimization |
| US5602556A (en) * | 1995-06-07 | 1997-02-11 | Check Point Systems, Inc. | Transmit and receive loop antenna |
| US5871100A (en) * | 1995-12-22 | 1999-02-16 | Rayovac Corporation | Security battery package |
| US5586657A (en) * | 1995-12-22 | 1996-12-24 | Rayovac Corporation | Security blister package |
| US5914692A (en) * | 1997-01-14 | 1999-06-22 | Checkpoint Systems, Inc. | Multiple loop antenna with crossover element having a pair of spaced, parallel conductors for electrically connecting the multiple loops |
| US5867101A (en) * | 1997-02-03 | 1999-02-02 | Sensormatic Electronics Corporation | Multi-phase mode multiple coil distance deactivator for magnetomechanical EAS markers |
| DE19726986A1 (de) * | 1997-06-25 | 1999-01-07 | Meto International Gmbh | Vorrichtung zur Überwachung von elektronischen gesicherten Artikeln in einer Überwachungszone |
| US5990791A (en) * | 1997-10-22 | 1999-11-23 | William B. Spargur | Anti-theft detection system |
| US6397661B1 (en) | 1998-12-30 | 2002-06-04 | University Of Kentucky Research Foundation | Remote magneto-elastic analyte, viscosity and temperature sensing apparatus and associated methods of sensing |
| US6393921B1 (en) | 1999-05-13 | 2002-05-28 | University Of Kentucky Research Foundation | Magnetoelastic sensing apparatus and method for remote pressure query of an environment |
| US6359444B1 (en) | 1999-05-28 | 2002-03-19 | University Of Kentucky Research Foundation | Remote resonant-circuit analyte sensing apparatus with sensing structure and associated method of sensing |
| US6911908B1 (en) * | 1999-10-08 | 2005-06-28 | Activerf Limited | Security |
| US6688162B2 (en) | 2000-10-20 | 2004-02-10 | University Of Kentucky Research Foundation | Magnetoelastic sensor for characterizing properties of thin-film/coatings |
| US6639402B2 (en) | 2001-01-31 | 2003-10-28 | University Of Kentucky Research Foundation | Temperature, stress, and corrosive sensing apparatus utilizing harmonic response of magnetically soft sensor element (s) |
| WO2013015761A1 (en) * | 2011-07-27 | 2013-01-31 | Galbraith Stephen L | Nondestructive inspection apparatus and method for evaluating cold working effectiveness at fastener holes |
| DE102011115761A1 (de) | 2011-10-12 | 2013-04-18 | Volkswagen Ag | Verfahren für einen Funkschlüssel eines Fahrzeuges sowie entsprechenden Funkschlüssel und System für ein Fahrzeug |
| CA2936044C (en) * | 2016-07-11 | 2019-10-22 | Greg Watkin | Combination media display and electronic article surveillance pedestal |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL42338A (en) * | 1972-05-26 | 1978-06-15 | Solomon Heytow | Metal detector |
| US3938044A (en) * | 1973-11-14 | 1976-02-10 | Lichtblau G J | Antenna apparatus for an electronic security system |
| NL7708012A (nl) * | 1977-07-19 | 1979-01-23 | Nedap Nv | Detectiestelsel. |
| US4251808A (en) * | 1979-11-15 | 1981-02-17 | Lichtblau G J | Shielded balanced loop antennas for electronic security systems |
| US4686516A (en) * | 1984-11-26 | 1987-08-11 | Sensormatic Electronics Corporation | Method, system and apparatus for use in article surveillance |
| US4660025A (en) * | 1984-11-26 | 1987-04-21 | Sensormatic Electronics Corporation | Article surveillance magnetic marker having an hysteresis loop with large Barkhausen discontinuities |
-
1986
- 1986-06-30 US US06/880,138 patent/US4769631A/en not_active Expired - Lifetime
-
1987
- 1987-03-09 SE SE8700957A patent/SE502490C2/sv not_active IP Right Cessation
- 1987-04-01 CA CA000533543A patent/CA1266311A/en not_active Expired - Lifetime
- 1987-04-15 AR AR87307301A patent/AR241468A1/es active
- 1987-04-28 JP JP62103430A patent/JPH0782592B2/ja not_active Expired - Lifetime
- 1987-05-08 DE DE19873715387 patent/DE3715387A1/de active Granted
- 1987-06-10 GB GB8713568A patent/GB2194414B/en not_active Expired - Lifetime
- 1987-06-16 FR FR878708388A patent/FR2613083B1/fr not_active Expired
- 1987-06-29 BR BR8703291A patent/BR8703291A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE8700957L (sv) | 1987-12-31 |
| BR8703291A (pt) | 1988-03-15 |
| FR2613083A1 (fr) | 1988-09-30 |
| GB8713568D0 (en) | 1987-07-15 |
| GB2194414B (en) | 1990-05-02 |
| AR241468A1 (es) | 1992-07-31 |
| FR2613083B1 (fr) | 1989-12-22 |
| GB2194414A (en) | 1988-03-02 |
| DE3715387A1 (de) | 1988-01-14 |
| DE3715387C2 (es) | 1992-04-23 |
| JPH0782592B2 (ja) | 1995-09-06 |
| SE8700957D0 (sv) | 1987-03-09 |
| JPS63118900A (ja) | 1988-05-23 |
| CA1266311A (en) | 1990-02-27 |
| US4769631A (en) | 1988-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE502490C2 (sv) | System och anordning för magnetisk övervakning av varor | |
| US3790945A (en) | Open-strip ferromagnetic marker and method and system for using same | |
| US4384281A (en) | Theft detection apparatus using saturable magnetic targets | |
| US5459451A (en) | Electronic article surveillance system with enhanced geometric arrangement | |
| AU567604B2 (en) | Method and system for detecting an indicating device | |
| US3631442A (en) | Anti-shoplifting system | |
| US3983552A (en) | Pilferage detection systems | |
| US5414410A (en) | Method and system for detecting a marker | |
| US5218173A (en) | Shielding materials for electromagnetic digitizers | |
| EP0536288B1 (en) | Metal detector | |
| US4710752A (en) | Apparatus and method for detecting a magnetic marker | |
| JPS5853782A (ja) | 監視用マ−カ及び装置 | |
| SE437305B (sv) | Magnetiskt detekteringsorgan, bojt lengs sin utstreckning, for skydd av varor | |
| US3754226A (en) | Conductive-ring ferromagnetic marker and method and system for using same | |
| JPH0358072B2 (es) | ||
| US4791412A (en) | Magnetic article surveillance system and method | |
| AU640464B2 (en) | Detection apparatus for security systems | |
| US10614691B2 (en) | Combination media display and electronic article surveillance pedestal | |
| US7345474B2 (en) | Detector for magnetizable material using amplitude and phase discrimination | |
| US20040155651A1 (en) | Flux control system for metal detectors | |
| JPH05502935A (ja) | 金属検知システム | |
| US5883574A (en) | Arrangement for preventing disturbances in electronic alarm systems | |
| US6278368B1 (en) | Low cost material for multi-bit remote sensing | |
| US5703566A (en) | Anti-shoplifting security system | |
| US6788049B2 (en) | Detector for magnetizable material using amplitude and phase discrimination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |