AR007686A1 - Elemento magnetico preferiblemente para vigilancia electronica de articulos, un metodo para hacerlo, un marcador que lo incorpora y disposicionde vigilancia que lo utiliza - Google Patents
Elemento magnetico preferiblemente para vigilancia electronica de articulos, un metodo para hacerlo, un marcador que lo incorpora y disposicionde vigilancia que lo utilizaInfo
- Publication number
- AR007686A1 AR007686A1 ARP970102920A ARP970102920A AR007686A1 AR 007686 A1 AR007686 A1 AR 007686A1 AR P970102920 A ARP970102920 A AR P970102920A AR P970102920 A ARP970102920 A AR P970102920A AR 007686 A1 AR007686 A1 AR 007686A1
- Authority
- AR
- Argentina
- Prior art keywords
- surveillance
- magnetic element
- incorporates
- marker
- doing
- 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
- 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
- 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
- G08B13/244—Tag manufacturing, e.g. continuous manufacturing processes
-
- 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)
- Manufacturing & Machinery (AREA)
- Soft Magnetic Materials (AREA)
- Thin Magnetic Films (AREA)
- Burglar Alarm Systems (AREA)
- Hall/Mr Elements (AREA)
Abstract
Un elemento magnético preferiblemente para vigilancia electrónica de artículos, un método para hacerlo, un marcador que lo incorpora y disposiciónde vigilancia que lo utiliza, donde el elemento magnético es semi-duro y está formado al menospor cristalización parcial de un material metaloide-hierroamorfo blando. El proceso de calentamiento usado para llevar a cabo la cristalización incluye una etapa de oxidación controlada para incrementar elnivel de flujo remanente que es provisto cuando el elemento magnético procesado es puesto en un estado totalmente magnetizado.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/673,928 US5767770A (en) | 1996-07-01 | 1996-07-01 | Semi-hard magnetic elements formed by annealing and controlled oxidation of soft magnetic material |
Publications (1)
Publication Number | Publication Date |
---|---|
AR007686A1 true AR007686A1 (es) | 1999-11-10 |
Family
ID=24704664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP970102920A AR007686A1 (es) | 1996-07-01 | 1997-07-01 | Elemento magnetico preferiblemente para vigilancia electronica de articulos, un metodo para hacerlo, un marcador que lo incorpora y disposicionde vigilancia que lo utiliza |
Country Status (9)
Country | Link |
---|---|
US (1) | US5767770A (es) |
EP (1) | EP0909437B1 (es) |
JP (1) | JP2000514502A (es) |
AR (1) | AR007686A1 (es) |
AU (1) | AU718821B2 (es) |
BR (1) | BR9710114B1 (es) |
CA (1) | CA2251338C (es) |
DE (1) | DE69719985T2 (es) |
WO (1) | WO1998000820A1 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6181245B1 (en) * | 1996-08-28 | 2001-01-30 | Sensormatic Electronics Corporation | Magnetomechanical electronic article surveillance marker with bias element having abrupt deactivation/magnetization characteristic |
DE19753209C1 (de) * | 1997-12-01 | 1999-02-18 | Daimler Benz Ag | Schwenkeinrichtung für eine Heckscheibe |
US5999098A (en) * | 1998-02-03 | 1999-12-07 | Sensormatic Electronics Corporation | Redistributing magnetic charge in bias element for magnetomechanical EAS marker |
US9418524B2 (en) | 2014-06-09 | 2016-08-16 | Tyco Fire & Security Gmbh | Enhanced signal amplitude in acoustic-magnetomechanical EAS marker |
US9275529B1 (en) | 2014-06-09 | 2016-03-01 | Tyco Fire And Security Gmbh | Enhanced signal amplitude in acoustic-magnetomechanical EAS marker |
CN105161239B (zh) * | 2015-09-16 | 2018-08-24 | 广州齐达材料科技有限公司 | 一种复合半硬磁材料及其制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57177507A (en) * | 1981-04-24 | 1982-11-01 | Hitachi Metals Ltd | Heat treatment of amorphous material |
US4510490A (en) * | 1982-04-29 | 1985-04-09 | Allied Corporation | Coded surveillance system having magnetomechanical marker |
US4510489A (en) * | 1982-04-29 | 1985-04-09 | Allied Corporation | Surveillance system having magnetomechanical marker |
ATE154158T1 (de) * | 1991-03-04 | 1997-06-15 | Mitsui Petrochemical Ind | Verfahren zur herstellung eines magnetkernes durch warmebehandlung desselben |
US5252144A (en) * | 1991-11-04 | 1993-10-12 | Allied Signal Inc. | Heat treatment process and soft magnetic alloys produced thereby |
US5351033A (en) * | 1992-10-01 | 1994-09-27 | Sensormatic Electronics Corporation | Semi-hard magnetic elements and method of making same |
US5469140A (en) * | 1994-06-30 | 1995-11-21 | Sensormatic Electronics Corporation | Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same |
US5611871A (en) * | 1994-07-20 | 1997-03-18 | Hitachi Metals, Ltd. | Method of producing nanocrystalline alloy having high permeability |
-
1996
- 1996-07-01 US US08/673,928 patent/US5767770A/en not_active Expired - Lifetime
-
1997
- 1997-06-05 DE DE69719985T patent/DE69719985T2/de not_active Expired - Fee Related
- 1997-06-05 WO PCT/US1997/010057 patent/WO1998000820A1/en active IP Right Grant
- 1997-06-05 BR BRPI9710114-1A patent/BR9710114B1/pt not_active IP Right Cessation
- 1997-06-05 JP JP10504139A patent/JP2000514502A/ja active Pending
- 1997-06-05 CA CA002251338A patent/CA2251338C/en not_active Expired - Fee Related
- 1997-06-05 AU AU33089/97A patent/AU718821B2/en not_active Ceased
- 1997-06-05 EP EP97928940A patent/EP0909437B1/en not_active Expired - Lifetime
- 1997-07-01 AR ARP970102920A patent/AR007686A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
DE69719985D1 (de) | 2003-04-24 |
EP0909437A4 (en) | 2001-05-23 |
US5767770A (en) | 1998-06-16 |
BR9710114A (pt) | 1999-08-10 |
AU3308997A (en) | 1998-01-21 |
JP2000514502A (ja) | 2000-10-31 |
CA2251338A1 (en) | 1998-01-08 |
AU718821B2 (en) | 2000-04-20 |
WO1998000820A1 (en) | 1998-01-08 |
DE69719985T2 (de) | 2003-11-13 |
EP0909437B1 (en) | 2003-03-19 |
BR9710114B1 (pt) | 2009-01-13 |
CA2251338C (en) | 2008-10-14 |
EP0909437A1 (en) | 1999-04-21 |
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