DE69328819D1 - Doppelstatus-Dünnfilmmarkierung für elektronische Artikelüberwachung - Google Patents
Doppelstatus-Dünnfilmmarkierung für elektronische ArtikelüberwachungInfo
- Publication number
- DE69328819D1 DE69328819D1 DE69328819T DE69328819T DE69328819D1 DE 69328819 D1 DE69328819 D1 DE 69328819D1 DE 69328819 T DE69328819 T DE 69328819T DE 69328819 T DE69328819 T DE 69328819T DE 69328819 D1 DE69328819 D1 DE 69328819D1
- Authority
- DE
- Germany
- Prior art keywords
- thin film
- electronic article
- article surveillance
- film marking
- status
- 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 - Fee Related
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
- 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)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US99618292A | 1992-12-23 | 1992-12-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69328819D1 true DE69328819D1 (de) | 2000-07-13 |
DE69328819T2 DE69328819T2 (de) | 2000-12-28 |
Family
ID=25542596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1993628819 Expired - Fee Related DE69328819T2 (de) | 1992-12-23 | 1993-12-20 | Doppelstatus-Dünnfilmmarkierung für elektronische Artikelüberwachung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0604293B1 (de) |
JP (1) | JPH06231376A (de) |
AU (1) | AU669014B2 (de) |
CA (1) | CA2109643C (de) |
DE (1) | DE69328819T2 (de) |
ES (1) | ES2148211T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09180936A (ja) * | 1995-12-27 | 1997-07-11 | Unitika Ltd | 磁気素子 |
CA2194045A1 (en) * | 1995-12-27 | 1997-06-28 | Shuji Ueno | Magnetic marker |
US5699047A (en) * | 1996-01-19 | 1997-12-16 | Minnesota Mining And Manufacturing Co. | Electronic article surveillance markers for direct application to optically recorded media |
JPH09232142A (ja) * | 1996-02-28 | 1997-09-05 | Unitika Ltd | 磁気素子及びその製造方法 |
JP2002334307A (ja) * | 2001-05-08 | 2002-11-22 | Nhk Spring Co Ltd | 合成樹脂成形体 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3880202T2 (de) * | 1987-06-08 | 1993-08-05 | Esselte Meto Int Gmbh | Magnetische vorrichtungen. |
GB8900398D0 (en) * | 1989-01-09 | 1989-03-08 | Scient Generics Ltd | Magnetic materials |
US5368948A (en) * | 1989-01-09 | 1994-11-29 | Esselte Meto International Produktions | Magnetic materials for security applications |
US5015993A (en) * | 1989-06-29 | 1991-05-14 | Pitney Bowes Inc. | Ferromagnetic alloys with high nickel content and high permeability |
US5083112A (en) * | 1990-06-01 | 1992-01-21 | Minnesota Mining And Manufacturing Company | Multi-layer thin-film eas marker |
-
1993
- 1993-11-19 AU AU51807/93A patent/AU669014B2/en not_active Ceased
- 1993-11-22 CA CA 2109643 patent/CA2109643C/en not_active Expired - Fee Related
- 1993-12-20 ES ES93403099T patent/ES2148211T3/es not_active Expired - Lifetime
- 1993-12-20 DE DE1993628819 patent/DE69328819T2/de not_active Expired - Fee Related
- 1993-12-20 EP EP19930403099 patent/EP0604293B1/de not_active Expired - Lifetime
- 1993-12-22 JP JP32384793A patent/JPH06231376A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0604293B1 (de) | 2000-06-07 |
CA2109643C (en) | 2002-03-26 |
JPH06231376A (ja) | 1994-08-19 |
AU5180793A (en) | 1994-07-07 |
DE69328819T2 (de) | 2000-12-28 |
AU669014B2 (en) | 1996-05-23 |
CA2109643A1 (en) | 1994-06-24 |
EP0604293A1 (de) | 1994-06-29 |
ES2148211T3 (es) | 2000-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |