HK1083914A1 - Enhancing magneto-impedance modulation using magnetomechanical resonance - Google Patents

Enhancing magneto-impedance modulation using magnetomechanical resonance

Info

Publication number
HK1083914A1
HK1083914A1 HK06103717.0A HK06103717A HK1083914A1 HK 1083914 A1 HK1083914 A1 HK 1083914A1 HK 06103717 A HK06103717 A HK 06103717A HK 1083914 A1 HK1083914 A1 HK 1083914A1
Authority
HK
Hong Kong
Prior art keywords
impedance modulation
magnetomechanical resonance
magneto
enhancing
enhancing magneto
Prior art date
Application number
HK06103717.0A
Other languages
English (en)
Inventor
Ming-Ren Lian
Hubert A Patterson
Nen-Chin Liu
Original Assignee
Sensormatic Electronics Corp
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 Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Publication of HK1083914A1 publication Critical patent/HK1083914A1/xx

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
    • G08B13/2422—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 acoustic or microwave 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
    • G08B13/2405—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
    • G08B13/2405—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
    • 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
    • G08B13/244—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
    • 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
    • G08B13/2448—Tag with at least dual detection means, e.g. combined inductive and ferromagnetic tags, dual frequencies within a single technology, tampering detection or signalling means on the tag

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Manufacturing & Machinery (AREA)
  • Burglar Alarm Systems (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
HK06103717.0A 2004-05-03 2006-03-24 Enhancing magneto-impedance modulation using magnetomechanical resonance HK1083914A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/837,822 US7023345B2 (en) 2004-05-03 2004-05-03 Enhancing magneto-impedance modulation using magnetomechanical resonance

Publications (1)

Publication Number Publication Date
HK1083914A1 true HK1083914A1 (en) 2006-07-14

Family

ID=34936035

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06103717.0A HK1083914A1 (en) 2004-05-03 2006-03-24 Enhancing magneto-impedance modulation using magnetomechanical resonance

Country Status (6)

Country Link
US (1) US7023345B2 (xx)
EP (1) EP1594100B1 (xx)
CN (1) CN100527160C (xx)
CA (1) CA2506149C (xx)
ES (1) ES2403153T3 (xx)
HK (1) HK1083914A1 (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012022300A2 (de) * 2010-08-14 2012-02-23 Micro-Epsilon Messtechnik Gmbh & Co. Kg Verfahren und vorrichtung zur erfassung von magnetfeldern
US9640852B2 (en) 2014-06-09 2017-05-02 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
US9879507B2 (en) 2015-10-22 2018-01-30 Dennis W. Gilstad Adaptive stimulation system
US20170178478A1 (en) * 2015-12-18 2017-06-22 Checkpoint Systems, Inc. Reduction of false alarms in eas systems
ES2581127B2 (es) * 2016-04-13 2017-05-04 Universidad Complutense De Madrid Etiqueta, sistema y método para la detección de objetos a larga distancia
EP3475736B1 (en) * 2016-06-23 2023-09-13 3M Innovative Properties Company Magneto-mechanical marker with enhanced frequency stability and signal strength
US11195074B2 (en) 2019-03-05 2021-12-07 The Procter & Gamble Company Wireless measurement of human product interaction
CN113030191B (zh) * 2021-02-26 2023-03-17 浙江大学 一种基于内嵌式纤维传感器的树脂固化度原位监测的方法
US11651169B2 (en) * 2021-04-09 2023-05-16 Xerox Corporation Tag system with a modulator of an antenna modulator and methods of use

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4510489A (en) * 1982-04-29 1985-04-09 Allied Corporation Surveillance system having magnetomechanical marker
US4510490A (en) * 1982-04-29 1985-04-09 Allied Corporation Coded surveillance system having magnetomechanical marker
DE69426080T2 (de) * 1994-11-17 2001-06-07 Minnesota Mining & Mfg Fernidentifizierungssystem
US5552778A (en) * 1994-11-23 1996-09-03 International Business Machines Corporation Multibit bimorph magnetic tags using acoustic or magnetic interrogation for identification of an object coupled thereto
SE506167C2 (sv) * 1996-02-12 1997-11-17 Rso Corp Givare för beröringsfri detektering av föremål
SE506449C2 (sv) 1996-02-12 1997-12-15 Rso Corp Artikelövervakningssystem
GB9620190D0 (en) * 1996-09-27 1996-11-13 Flying Null Ltd Improved methods for coding magnetic tags
DE19642225A1 (de) * 1996-10-12 1998-04-16 Esselte Meto Int Gmbh Sicherungselement für die elektronische Artikelsicherung und Verfahren zur Herstellung eines Sicherungselementes
US5999098A (en) * 1998-02-03 1999-12-07 Sensormatic Electronics Corporation Redistributing magnetic charge in bias element for magnetomechanical EAS marker
DE19912383A1 (de) * 1998-03-27 1999-09-30 Degussa Verfahren zur Herstellung von cyclischen 4-Oxoamidinen
US6121879A (en) * 1998-12-23 2000-09-19 Sensormatic Electronics Corporation Deactivation element configuration for microwave-magnetic EAS marker
US6333692B1 (en) * 1999-07-06 2001-12-25 Ats Money Systems Inc. Security tag deactivation system
US6356197B1 (en) * 2000-04-03 2002-03-12 Sensormatic Electronics Corporation Electronic article surveillance and identification device, system, and method
US6426700B1 (en) * 2000-05-31 2002-07-30 Sensormatic Electronics Corporation Bias configuration for a magnetomechanical EAS marker
US6307474B1 (en) 2000-08-22 2001-10-23 Sensormatic Electronics Corporation Magnetomechanical electronic article surveillance system and method using sideband detection
US6720877B2 (en) * 2001-03-29 2004-04-13 Sensormatic Electronics Corporation Manufacturing methods for magnetomechanical electronic article surveillance markers
US6489891B1 (en) * 2001-05-16 2002-12-03 Sensormatic Electronics Corporation Apparatus for electronic article surveillance tag pollution reduction

Also Published As

Publication number Publication date
CA2506149C (en) 2011-08-30
CN100527160C (zh) 2009-08-12
CA2506149A1 (en) 2005-11-03
ES2403153T3 (es) 2013-05-14
US20050242955A1 (en) 2005-11-03
EP1594100B1 (en) 2013-03-13
CN1700248A (zh) 2005-11-23
EP1594100A3 (en) 2011-10-19
US7023345B2 (en) 2006-04-04
EP1594100A2 (en) 2005-11-09

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20220429