TWI281131B - Dual status magnetic field EAS device - Google Patents

Dual status magnetic field EAS device Download PDF

Info

Publication number
TWI281131B
TWI281131B TW091108977A TW91108977A TWI281131B TW I281131 B TWI281131 B TW I281131B TW 091108977 A TW091108977 A TW 091108977A TW 91108977 A TW91108977 A TW 91108977A TW I281131 B TWI281131 B TW I281131B
Authority
TW
Taiwan
Prior art keywords
coil
magnetic field
eas
magnetic
mark
Prior art date
Application number
TW091108977A
Other languages
English (en)
Chinese (zh)
Inventor
Anthony Michael Belka
Ronald David Jesme
Peter John Zarembo
Original Assignee
3M Innovative Properties Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of TWI281131B publication Critical patent/TWI281131B/zh

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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
    • G08B13/2417—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 having a radio frequency identification chip

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)
  • Geophysics And Detection Of Objects (AREA)
TW091108977A 2001-06-15 2002-04-30 Dual status magnetic field EAS device TWI281131B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/882,790 US6778087B2 (en) 2001-06-15 2001-06-15 Dual axis magnetic field EAS device

Publications (1)

Publication Number Publication Date
TWI281131B true TWI281131B (en) 2007-05-11

Family

ID=25381336

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091108977A TWI281131B (en) 2001-06-15 2002-04-30 Dual status magnetic field EAS device

Country Status (12)

Country Link
US (1) US6778087B2 (https=)
EP (1) EP1399901B1 (https=)
JP (2) JP2004537789A (https=)
CN (1) CN1332363C (https=)
AR (1) AR033626A1 (https=)
AT (1) ATE311643T1 (https=)
AU (1) AU2002307232B2 (https=)
BR (1) BR0210288A (https=)
CA (1) CA2448272A1 (https=)
DE (1) DE60207719T2 (https=)
TW (1) TWI281131B (https=)
WO (1) WO2002103650A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI675188B (zh) * 2014-08-27 2019-10-21 美商3M新設資產公司 含質量散佈通道之磁力共振器感測器

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US6778087B2 (en) * 2001-06-15 2004-08-17 3M Innovative Properties Company Dual axis magnetic field EAS device
US6783072B2 (en) * 2002-02-01 2004-08-31 Psc Scanning, Inc. Combined data reader and electronic article surveillance (EAS) system
EP1513168B1 (de) * 2003-09-02 2017-03-08 Albert Maurer Verfahren und Vorrichtung zum Magnetisieren eines Magnetsystems
US7352084B2 (en) * 2004-08-11 2008-04-01 Sensormatic Electronics Corporation Deactivator using inductive charging
US7619527B2 (en) * 2005-02-08 2009-11-17 Datalogic Scanning, Inc. Integrated data reader and electronic article surveillance (EAS) system
JP2010020685A (ja) * 2008-07-14 2010-01-28 Sanden Corp Ｒｆｉｄタグ用アンテナ装置
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ES2393235T3 (es) * 2009-12-16 2012-12-19 Groz-Beckert Kg Dispositivo de montaje para la fabricación de un revestimiento de todo acero
US8890693B2 (en) 2012-03-30 2014-11-18 W G Security Products Method and apparatus to deactivate EAS markers
US9368011B2 (en) * 2012-04-24 2016-06-14 Universal Surveillance Systems, Llc Electronic article surveillance
US20140159856A1 (en) * 2012-12-12 2014-06-12 Thorsten Meyer Sensor hierarchy
USD734336S1 (en) 2013-08-09 2015-07-14 Datalogic Ip Tech S.R.L. Coded information reader
US9665848B1 (en) * 2015-11-30 2017-05-30 O-Ring Sales & Service, Inc. Inventory management system and method of use
USD804482S1 (en) * 2016-03-15 2017-12-05 Symbol Technologies, Llc Data capture device
US12009915B2 (en) 2021-01-29 2024-06-11 Eagle Technology, Llc Compact receiver system with antijam and antispoof capability
US11502414B2 (en) 2021-01-29 2022-11-15 Eagle Technology, Llc Microstrip patch antenna system having adjustable radiation pattern shapes and related method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI675188B (zh) * 2014-08-27 2019-10-21 美商3M新設資產公司 含質量散佈通道之磁力共振器感測器

Also Published As

Publication number Publication date
ATE311643T1 (de) 2005-12-15
DE60207719T2 (de) 2006-07-06
JP2008181562A (ja) 2008-08-07
CN1332363C (zh) 2007-08-15
AR033626A1 (es) 2003-12-26
HK1063677A1 (en) 2005-01-07
US20030001740A1 (en) 2003-01-02
EP1399901B1 (en) 2005-11-30
EP1399901A1 (en) 2004-03-24
US6778087B2 (en) 2004-08-17
AU2002307232B2 (en) 2007-01-25
DE60207719D1 (de) 2006-01-05
JP2004537789A (ja) 2004-12-16
CA2448272A1 (en) 2002-12-27
BR0210288A (pt) 2005-04-19
CN1533558A (zh) 2004-09-29
WO2002103650A1 (en) 2002-12-27

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MM4A Annulment or lapse of patent due to non-payment of fees