DK490887A - Magnetisk paavirkelig afmaerkningsbrik til genstandsovervaagning med to magnetiske tilstande - Google Patents
Magnetisk paavirkelig afmaerkningsbrik til genstandsovervaagning med to magnetiske tilstandeInfo
- Publication number
- DK490887A DK490887A DK490887A DK490887A DK490887A DK 490887 A DK490887 A DK 490887A DK 490887 A DK490887 A DK 490887A DK 490887 A DK490887 A DK 490887A DK 490887 A DK490887 A DK 490887A
- Authority
- DK
- Denmark
- Prior art keywords
- magnetic
- object monitoring
- conditions
- significant marking
- signature
- Prior art date
Links
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
-
- 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
- G08B13/2411—Tag deactivation
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/909,467 US4746908A (en) | 1986-09-19 | 1986-09-19 | Dual-status, magnetically imagable article surveillance marker |
Publications (2)
Publication Number | Publication Date |
---|---|
DK490887D0 DK490887D0 (da) | 1987-09-18 |
DK490887A true DK490887A (da) | 1988-03-20 |
Family
ID=25427269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK490887A DK490887A (da) | 1986-09-19 | 1987-09-18 | Magnetisk paavirkelig afmaerkningsbrik til genstandsovervaagning med to magnetiske tilstande |
Country Status (12)
Country | Link |
---|---|
US (1) | US4746908A (da) |
EP (1) | EP0260831B1 (da) |
JP (1) | JP2869065B2 (da) |
KR (1) | KR960002143B1 (da) |
AU (1) | AU589796B2 (da) |
CA (1) | CA1277384C (da) |
DE (1) | DE3784822T2 (da) |
DK (1) | DK490887A (da) |
ES (1) | ES2038991T3 (da) |
HK (1) | HK149094A (da) |
MX (1) | MX161738A (da) |
ZA (1) | ZA877050B (da) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4829288A (en) * | 1987-11-30 | 1989-05-09 | Minnesota Mining And Manufacturing Company | Economic, multi-directionally responsive marker for use in electronic article surveillance systems |
US4825197A (en) * | 1988-02-01 | 1989-04-25 | Minnesota Mining And Manufacturing Company | Dual status magnetic marker having magnetically biasable flux collectors for us in electronic article surveillance systems |
US4884063A (en) * | 1988-02-01 | 1989-11-28 | Minnesota Mining And Manufacturing Company | Dual status magnetic marker having magnetically biasable flux collectors for use in electronic article surveillance systems |
GB8810178D0 (en) * | 1988-04-29 | 1988-06-02 | Scient Generics Ltd | Antipilferage systems |
AU624379B2 (en) * | 1988-05-06 | 1992-06-11 | Roger Frederick Bailey | Optical sorting apparatus |
GB8818849D0 (en) * | 1988-08-09 | 1988-09-14 | Emi Plc Thorn | Electromagnetic identification system |
US4967185A (en) * | 1989-08-08 | 1990-10-30 | Minnesota Mining And Manufacturing Company | Multi-directionally responsive, dual-status, magnetic article surveillance marker having continuous keeper |
US5151843A (en) * | 1989-12-08 | 1992-09-29 | Minnesota Mining And Manufacturing Company | Sensitizer for ferromagnetic markers used with electromagnetic article surveillance systems |
JP3314873B2 (ja) * | 1991-01-04 | 2002-08-19 | サイエンティフィック ジェネリックス リミテッド | 遠隔読取可能データ記憶器及び装置 |
US5285182A (en) * | 1992-09-03 | 1994-02-08 | Minnesota Mining And Manufacturing Company | Desensitizing apparatus for electromagnetic article surveillance system |
US5580664A (en) * | 1992-12-23 | 1996-12-03 | Minnesota Mining And Manufacturing Company | Dual status thin-film eas marker having multiple magnetic layers |
US5432499A (en) * | 1993-05-27 | 1995-07-11 | Minnesota Mining And Manufacturing Company | Collector type article surveillance marker with continuous keeper |
AU667431B2 (en) * | 1993-06-11 | 1996-03-21 | Sensormatic Electronics Corporation | Multidirectional surveillance marker |
NL9302171A (nl) * | 1993-12-13 | 1995-07-03 | Dutch A & A Trading Bv | Transponder voor een detectiesysteem. |
US5405702A (en) * | 1993-12-30 | 1995-04-11 | Minnesota Mining And Manufacturing Company | Method for manufacturing a thin-film EAS and marker |
US5949318A (en) * | 1994-08-10 | 1999-09-07 | Sensormatic Electronics Corporation | Apparatus for activating/deactivating sensors used with EAS tags |
EP1039412A1 (en) * | 1994-11-17 | 2000-09-27 | Minnesota Mining And Manufacturing Company | Remote identification system |
US5699047A (en) * | 1996-01-19 | 1997-12-16 | Minnesota Mining And Manufacturing Co. | Electronic article surveillance markers for direct application to optically recorded media |
DE19642225A1 (de) * | 1996-10-12 | 1998-04-16 | Esselte Meto Int Gmbh | Sicherungselement für die elektronische Artikelsicherung und Verfahren zur Herstellung eines Sicherungselementes |
GB9800064D0 (en) * | 1998-01-05 | 1998-03-04 | Sentec Ltd | Uni-directional magnetic tag |
US6154137A (en) | 1998-06-08 | 2000-11-28 | 3M Innovative Properties Company | Identification tag with enhanced security |
AU5469099A (en) | 1998-08-14 | 2000-03-06 | 3M Innovative Properties Company | Radio frequency identification systems applications |
JP2002522999A (ja) * | 1998-08-14 | 2002-07-23 | スリーエム イノベイティブ プロパティズ カンパニー | 無線周波数識別システムへの用途 |
ATE400862T1 (de) | 1998-08-14 | 2008-07-15 | 3M Innovative Properties Co | Anwendungen für radiofrequenzidentifikationssysteme |
US6424262B2 (en) | 1998-08-14 | 2002-07-23 | 3M Innovative Properties Company | Applications for radio frequency identification systems |
US6525661B2 (en) * | 1999-02-26 | 2003-02-25 | 3M Innovative Properties Company | Electronic article surveillance markers for optically recorded media |
US6447294B1 (en) | 1999-12-13 | 2002-09-10 | William Raymond Price | Locator for lost dentures |
US20040069851A1 (en) * | 2001-03-13 | 2004-04-15 | Grunes Mitchell B. | Radio frequency identification reader with removable media |
US20050032151A1 (en) * | 2001-06-05 | 2005-02-10 | Eisenberg Peter M. | Methods of managing the transfer and use of data |
US7588185B2 (en) * | 2001-06-07 | 2009-09-15 | 3M Innovative Properties Company | RFID data collection and use |
US6943689B2 (en) * | 2003-11-24 | 2005-09-13 | B&G Plastics, Inc. | Electronic article surveillance marker assembly |
US7230537B2 (en) * | 2004-04-15 | 2007-06-12 | Matsushita Electric Industrial Co., Ltd. | Product identification system using IC tag units, and a digital content management system |
US7068172B2 (en) * | 2004-05-21 | 2006-06-27 | Xiao Hui Yang | Method and apparatus for deactivating an EAS device |
ES2268964B1 (es) * | 2005-04-21 | 2008-04-16 | Micromag 2000, S.L. | "etiqueta magnetica activable/desactivable basada en microhilo magnetico y metodo de obtencion de la misma". |
US20090212952A1 (en) * | 2008-02-22 | 2009-08-27 | Xiao Hui Yang | Method and apparatus for de-activating eas markers |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR763681A (fr) * | 1933-11-10 | 1934-05-04 | Procédé de repérage des objets par modification d'un champ magnétique | |
US3747086A (en) * | 1968-03-22 | 1973-07-17 | Shoplifter International Inc | Deactivatable ferromagnetic marker for detection of objects having marker secured thereto and method and system of using same |
US3665449A (en) * | 1969-07-11 | 1972-05-23 | Minnesota Mining & Mfg | Method and apparatus for detecting at a distance the status and identity of objects |
US3983552A (en) * | 1975-01-14 | 1976-09-28 | American District Telegraph Company | Pilferage detection systems |
DE2931932A1 (de) * | 1979-08-07 | 1981-02-26 | Maecker Elan Schaltelemente | Markierungselement zur feststellung von gegenstaenden in einem ueberwachungsbereich, insbesondere zur verhinderung von ladendiebstaehlen |
DE3244430A1 (de) * | 1982-12-01 | 1984-11-15 | Knogo S.A., Baudour | Verfahren und vorrichtung zur herstellung eines sicherungsstreifens |
CA1234891A (en) * | 1983-10-20 | 1988-04-05 | 746278 Ontario Limited D/B/A I.D. Systems Canada | Security system label |
US4710754A (en) * | 1986-09-19 | 1987-12-01 | Minnesota Mining And Manufacturing Company | Magnetic marker having switching section for use in electronic article surveillance systems |
-
1986
- 1986-09-19 US US06/909,467 patent/US4746908A/en not_active Expired - Lifetime
-
1987
- 1987-08-04 AU AU76540/87A patent/AU589796B2/en not_active Ceased
- 1987-08-04 CA CA000543628A patent/CA1277384C/en not_active Expired - Fee Related
- 1987-08-26 EP EP87307556A patent/EP0260831B1/en not_active Expired - Lifetime
- 1987-08-26 DE DE8787307556T patent/DE3784822T2/de not_active Expired - Fee Related
- 1987-08-26 ES ES198787307556T patent/ES2038991T3/es not_active Expired - Lifetime
- 1987-09-08 MX MX8141A patent/MX161738A/es unknown
- 1987-09-10 JP JP62227537A patent/JP2869065B2/ja not_active Expired - Lifetime
- 1987-09-18 DK DK490887A patent/DK490887A/da not_active Application Discontinuation
- 1987-09-18 ZA ZA877050A patent/ZA877050B/xx unknown
- 1987-09-19 KR KR1019870010462A patent/KR960002143B1/ko not_active IP Right Cessation
-
1994
- 1994-12-30 HK HK149094A patent/HK149094A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU589796B2 (en) | 1989-10-19 |
KR960002143B1 (ko) | 1996-02-13 |
DE3784822D1 (de) | 1993-04-22 |
ZA877050B (en) | 1989-04-26 |
ES2038991T3 (es) | 1993-08-16 |
MX161738A (es) | 1990-12-20 |
KR880004330A (ko) | 1988-06-07 |
AU7654087A (en) | 1988-03-24 |
HK149094A (en) | 1995-01-06 |
CA1277384C (en) | 1990-12-04 |
US4746908A (en) | 1988-05-24 |
JPS6383899A (ja) | 1988-04-14 |
JP2869065B2 (ja) | 1999-03-10 |
EP0260831B1 (en) | 1993-03-17 |
EP0260831A3 (en) | 1989-07-19 |
DE3784822T2 (de) | 1993-08-12 |
EP0260831A2 (en) | 1988-03-23 |
DK490887D0 (da) | 1987-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |