WO1999039313A1 - Eas marker deactivation device having core-wound energized coils - Google Patents
Eas marker deactivation device having core-wound energized coils Download PDFInfo
- Publication number
- WO1999039313A1 WO1999039313A1 PCT/US1998/027334 US9827334W WO9939313A1 WO 1999039313 A1 WO1999039313 A1 WO 1999039313A1 US 9827334 W US9827334 W US 9827334W WO 9939313 A1 WO9939313 A1 WO 9939313A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coils
- core
- coil
- sequence
- time intervals
- Prior art date
Links
- 239000003550 marker Substances 0.000 title claims abstract description 50
- 230000009849 deactivation Effects 0.000 title description 73
- 230000005291 magnetic effect Effects 0.000 claims abstract description 80
- 238000004804 winding Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 5
- 229910001018 Cast iron Inorganic materials 0.000 claims description 5
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 5
- 239000010962 carbon steel Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000012255 powdered metal Substances 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims 3
- 238000010408 sweeping Methods 0.000 claims 2
- 239000003990 capacitor Substances 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001960 triggered effect Effects 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
- 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
- G08B13/2405—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
- G08B13/2414—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 inductive tags
- G08B13/242—Tag deactivation
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002318086A CA2318086C (en) | 1998-01-30 | 1998-12-21 | Eas marker deactivation device having core-wound energized coils |
JP2000529696A JP4271851B2 (en) | 1998-01-30 | 1998-12-21 | Apparatus and method for deactivating magnetomechanical electronic article surveillance markers |
DE69841046T DE69841046D1 (en) | 1998-01-30 | 1998-12-21 | DEVICE FOR DEACTIVATING A GOODS MONITORING LABEL WITH COILS WRAPPED ON KEYS |
EP98964244A EP1064631B1 (en) | 1998-01-30 | 1998-12-21 | Eas marker deactivation device having core-wound energized coils |
AU19417/99A AU754327B2 (en) | 1998-01-30 | 1998-12-21 | Eas marker deactivation device having core-wound energized coils |
BRPI9814917-2A BR9814917B1 (en) | 1998-01-30 | 1998-12-21 | apparatus and method for deactivating a magnetomechanical eas marker and method for manufacturing an apparatus for deactivating magnetomechanical eas markers. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/016,175 US6060988A (en) | 1997-02-03 | 1998-01-30 | EAS marker deactivation device having core-wound energized coils |
US09/016,175 | 1998-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999039313A1 true WO1999039313A1 (en) | 1999-08-05 |
Family
ID=21775790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/027334 WO1999039313A1 (en) | 1998-01-30 | 1998-12-21 | Eas marker deactivation device having core-wound energized coils |
Country Status (10)
Country | Link |
---|---|
US (1) | US6060988A (en) |
EP (1) | EP1064631B1 (en) |
JP (1) | JP4271851B2 (en) |
CN (1) | CN1129878C (en) |
AU (1) | AU754327B2 (en) |
BR (1) | BR9814917B1 (en) |
CA (1) | CA2318086C (en) |
DE (1) | DE69841046D1 (en) |
WO (1) | WO1999039313A1 (en) |
ZA (1) | ZA9945B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1103035A1 (en) * | 1998-07-06 | 2001-05-30 | Sensormatic Electronics Corporation | Energizing circuit for eas marker deactivation device |
WO2001084519A2 (en) * | 2000-05-04 | 2001-11-08 | Sensormatic Electronics Corporation | Hand-held scanner deactivator to deactivate magnetomechanical eas markers |
GB2365278A (en) * | 2000-03-17 | 2002-02-13 | Redcliffe Magtronics Ltd | Activation/deactivation of magnetic components |
GB2415865A (en) * | 2004-07-02 | 2006-01-04 | Redcliffe Ltd | Arrangement of demagnetising coil pairs for EAS tag deactivation unit |
EP1688763A1 (en) * | 2005-02-08 | 2006-08-09 | Lintec Corporation | Decision machine of detection tag using magnetic field |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6307468B1 (en) * | 1999-07-20 | 2001-10-23 | Avid Identification Systems, Inc. | Impedance matching network and multidimensional electromagnetic field coil for a transponder interrogator |
US6783070B2 (en) * | 2001-01-02 | 2004-08-31 | Ronald L. Faria | Scaneze check-in-check-out library workstation |
US7135978B2 (en) * | 2001-09-14 | 2006-11-14 | Calypso Medical Technologies, Inc. | Miniature resonating marker assembly |
US7978078B2 (en) * | 2001-12-21 | 2011-07-12 | Sensormatic Electronics, LLC | Magnetic core transceiver for electronic article surveillance marker detection |
US7215250B2 (en) * | 2002-11-22 | 2007-05-08 | Sensormatic Electronics Corporation | Proximity detaching for electronic article surveillance tags |
US7019651B2 (en) * | 2003-06-16 | 2006-03-28 | Sensormatic Electronics Corporation | EAS and RFID systems incorporating field canceling core antennas |
US7068172B2 (en) * | 2004-05-21 | 2006-06-27 | Xiao Hui Yang | Method and apparatus for deactivating an EAS device |
WO2007030861A1 (en) * | 2005-09-12 | 2007-03-22 | Magellan Technology Pty Ltd | Antenna design and interrogator system |
JP2009532802A (en) * | 2006-04-05 | 2009-09-10 | センサーマティック・エレクトロニクス・コーポレーション | Electronic article monitoring regenerator / deactivator and method thereof |
GB2440571A (en) * | 2006-08-01 | 2008-02-06 | Splashpower Ltd | Drive for an inductive coupling with a changing magnetic field direction |
US8933790B2 (en) * | 2007-06-08 | 2015-01-13 | Checkpoint Systems, Inc. | Phase coupler for rotating fields |
CN101689704A (en) * | 2007-06-08 | 2010-03-31 | 检查站系统股份有限公司 | Dynamic eas detection system and method |
US20090212952A1 (en) * | 2008-02-22 | 2009-08-27 | Xiao Hui Yang | Method and apparatus for de-activating eas markers |
CN103019498A (en) * | 2011-09-20 | 2013-04-03 | 友碁科技股份有限公司 | Electromagnetic induction type input equipment |
WO2013099546A1 (en) * | 2011-12-28 | 2013-07-04 | 日本発條株式会社 | Contactless information medium, contactless information medium bobbin member, main body member for contactless information medium, manufacturing method for contactless information medium |
CN105229711B (en) * | 2013-03-14 | 2019-07-09 | 泰科消防及安全有限公司 | Mobile EAS deactivator |
CN108933015B (en) * | 2018-07-20 | 2020-11-06 | 深圳普诺玛商业安全设备有限公司 | Demagnetization circuit, demagnetizer and control method of demagnetization circuit |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US3781661A (en) * | 1966-03-02 | 1973-12-25 | E Trikilis | Magnetic material and method of producing same |
US4300183A (en) * | 1980-03-27 | 1981-11-10 | Richardson Robert H | Method and apparatus for generating alternating magnetic fields to produce harmonic signals from a metallic strip |
US4423460A (en) * | 1982-01-04 | 1983-12-27 | Ldj Electronics, Inc. | Bulk tape eraser with rotating magnetic field |
US5210524A (en) * | 1990-05-16 | 1993-05-11 | Minnesota Mining And Manufacturing Company | Electro-magnetic desensitizer |
US5345222A (en) * | 1990-02-28 | 1994-09-06 | Esselte Meto International Produktions Gmbh | Detection apparatus for security systems |
US5459451A (en) * | 1993-03-12 | 1995-10-17 | Esselte Meto International Gmbh | Electronic article surveillance system with enhanced geometric arrangement |
US5625339A (en) * | 1996-01-08 | 1997-04-29 | Minnesota Mining And Manufacturing Company | Apparatus for changing the status of magnetic markers in an electronic article surveillance system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1171957A (en) * | 1967-03-20 | 1969-11-26 | Emmanuel Mitchell Trikilis | Improvements in the Prevention of Pilfering |
US4510489A (en) * | 1982-04-29 | 1985-04-09 | Allied Corporation | Surveillance system having magnetomechanical marker |
US4633250A (en) * | 1985-01-07 | 1986-12-30 | Allied Corporation | Coplanar antenna for proximate surveillance systems |
GB8808933D0 (en) * | 1988-04-15 | 1988-05-18 | Scient Generics Ltd | Antipilferage system |
US5061941A (en) * | 1990-02-01 | 1991-10-29 | Checkpoint Systems, Inc. | Composite antenna for electronic article surveillance systems |
US5051726A (en) * | 1990-08-14 | 1991-09-24 | Sensormatic Electronics Corporation | Electronic article surveillance system with antenna array for enhanced field falloff |
US5805065A (en) * | 1991-05-08 | 1998-09-08 | Minnesota Mining And Manufacturing Company | Electro-magnetic desensitizer |
US5142292A (en) * | 1991-08-05 | 1992-08-25 | Checkpoint Systems, Inc. | Coplanar multiple loop antenna for electronic article surveillance systems |
US5341125A (en) * | 1992-01-15 | 1994-08-23 | Sensormatic Electronics Corporation | Deactivating device for deactivating EAS dual status magnetic tags |
DK10292A (en) * | 1992-01-28 | 1993-07-29 | Actron Entwicklungs Ag | DEVICE FOR THE ACTIVATION / DEACTIVATION OF A THEFT SECURITY MARKETS |
US5245222A (en) * | 1992-02-28 | 1993-09-14 | Sgs-Thomson Microelectronics, Inc. | Method and apparatus for buffering electrical signals |
US5493275A (en) * | 1994-08-09 | 1996-02-20 | Sensormatic Electronics Corporation | Apparatus for deactivation of electronic article surveillance tags |
US5469142A (en) * | 1994-08-10 | 1995-11-21 | Sensormatic Electronics Corporation | Electronic article surveillance system having enhanced tag deactivation capacity |
-
1998
- 1998-01-30 US US09/016,175 patent/US6060988A/en not_active Expired - Lifetime
- 1998-12-21 EP EP98964244A patent/EP1064631B1/en not_active Expired - Lifetime
- 1998-12-21 CN CN98813372A patent/CN1129878C/en not_active Expired - Lifetime
- 1998-12-21 JP JP2000529696A patent/JP4271851B2/en not_active Expired - Fee Related
- 1998-12-21 CA CA002318086A patent/CA2318086C/en not_active Expired - Lifetime
- 1998-12-21 WO PCT/US1998/027334 patent/WO1999039313A1/en active IP Right Grant
- 1998-12-21 DE DE69841046T patent/DE69841046D1/en not_active Expired - Lifetime
- 1998-12-21 AU AU19417/99A patent/AU754327B2/en not_active Ceased
- 1998-12-21 BR BRPI9814917-2A patent/BR9814917B1/en not_active IP Right Cessation
-
1999
- 1999-01-05 ZA ZA9900045A patent/ZA9945B/en unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3781661A (en) * | 1966-03-02 | 1973-12-25 | E Trikilis | Magnetic material and method of producing 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 |
US4300183A (en) * | 1980-03-27 | 1981-11-10 | Richardson Robert H | Method and apparatus for generating alternating magnetic fields to produce harmonic signals from a metallic strip |
US4423460A (en) * | 1982-01-04 | 1983-12-27 | Ldj Electronics, Inc. | Bulk tape eraser with rotating magnetic field |
US5345222A (en) * | 1990-02-28 | 1994-09-06 | Esselte Meto International Produktions Gmbh | Detection apparatus for security systems |
US5210524A (en) * | 1990-05-16 | 1993-05-11 | Minnesota Mining And Manufacturing Company | Electro-magnetic desensitizer |
US5459451A (en) * | 1993-03-12 | 1995-10-17 | Esselte Meto International Gmbh | Electronic article surveillance system with enhanced geometric arrangement |
US5625339A (en) * | 1996-01-08 | 1997-04-29 | Minnesota Mining And Manufacturing Company | Apparatus for changing the status of magnetic markers in an electronic article surveillance system |
Non-Patent Citations (1)
Title |
---|
See also references of EP1064631A4 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1103035A1 (en) * | 1998-07-06 | 2001-05-30 | Sensormatic Electronics Corporation | Energizing circuit for eas marker deactivation device |
EP1103035A4 (en) * | 1998-07-06 | 2005-04-13 | Sensormatic Electronics Corp | Energizing circuit for eas marker deactivation device |
GB2365278A (en) * | 2000-03-17 | 2002-02-13 | Redcliffe Magtronics Ltd | Activation/deactivation of magnetic components |
GB2365278B (en) * | 2000-03-17 | 2004-08-25 | Redcliffe Magtronics Ltd | Activation and deactivation of magnetic components |
WO2001084519A2 (en) * | 2000-05-04 | 2001-11-08 | Sensormatic Electronics Corporation | Hand-held scanner deactivator to deactivate magnetomechanical eas markers |
WO2001084519A3 (en) * | 2000-05-04 | 2002-03-21 | Sensormatic Electronics Corp | Hand-held scanner deactivator to deactivate magnetomechanical eas markers |
GB2415865A (en) * | 2004-07-02 | 2006-01-04 | Redcliffe Ltd | Arrangement of demagnetising coil pairs for EAS tag deactivation unit |
EP1688763A1 (en) * | 2005-02-08 | 2006-08-09 | Lintec Corporation | Decision machine of detection tag using magnetic field |
Also Published As
Publication number | Publication date |
---|---|
AU1941799A (en) | 1999-08-16 |
JP4271851B2 (en) | 2009-06-03 |
AU754327B2 (en) | 2002-11-14 |
US6060988A (en) | 2000-05-09 |
BR9814917B1 (en) | 2011-11-16 |
JP2002502079A (en) | 2002-01-22 |
DE69841046D1 (en) | 2009-09-17 |
EP1064631A4 (en) | 2005-02-23 |
CN1290385A (en) | 2001-04-04 |
EP1064631B1 (en) | 2009-08-05 |
ZA9945B (en) | 2000-06-27 |
CN1129878C (en) | 2003-12-03 |
CA2318086A1 (en) | 1999-08-05 |
BR9814917A (en) | 2001-10-23 |
CA2318086C (en) | 2009-09-08 |
EP1064631A1 (en) | 2001-01-03 |
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