AR041084A1 - Marbete de seguridad de radiofrecuencia - Google Patents

Marbete de seguridad de radiofrecuencia

Info

Publication number
AR041084A1
AR041084A1 ARP030103125A ARP030103125A AR041084A1 AR 041084 A1 AR041084 A1 AR 041084A1 AR P030103125 A ARP030103125 A AR P030103125A AR P030103125 A ARP030103125 A AR P030103125A AR 041084 A1 AR041084 A1 AR 041084A1
Authority
AR
Argentina
Prior art keywords
pair
label
capacitor plates
capacitor
magnitude
Prior art date
Application number
ARP030103125A
Other languages
English (en)
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 AR041084A1 publication Critical patent/AR041084A1/es

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
    • G08B13/2414—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

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)

Abstract

Se proporciona un aparato de desactivación para un rótulo de vigilancia electrónica de artículos que tiene una pluralidad de capas y un circuito resonante equivalente que contiene un inductor y un capacitor. El aparato incluye: un capacitor formado por un par de placas capacitoras conductoras separadas entre sí por una capa dieléctrica; un inductor conectado a cada una del par de placas capacitoras donde un campo electromagnético de una frecuencia preseleccionada a una primera magnitud que incide sobre el rótulo hace que el circuito resonante equivalente entre en resonancia y produzca una respuesta detectable proveniente del rótulo; y un área debilitada eléctricamente en la capa dieléctrica entre el par de placas capacitoras conductoras donde el campo electromagnético a una segunda magnitud más alta que la primera magnitud que incide sobre el rótulo produce una trayectoria conductora a través del área debilitada que conecta eléctricamente entre sí el par de placas capacitoras y desactiva el rótulo.
ARP030103125A 2002-09-06 2003-08-28 Marbete de seguridad de radiofrecuencia AR041084A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/236,809 US6919806B2 (en) 2002-09-06 2002-09-06 Deactivatable radio frequency security label

Publications (1)

Publication Number Publication Date
AR041084A1 true AR041084A1 (es) 2005-04-27

Family

ID=31977674

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP030103125A AR041084A1 (es) 2002-09-06 2003-08-28 Marbete de seguridad de radiofrecuencia

Country Status (7)

Country Link
US (1) US6919806B2 (es)
EP (1) EP1540614A4 (es)
CN (1) CN1679059A (es)
AR (1) AR041084A1 (es)
AU (1) AU2003265946A1 (es)
CA (1) CA2496202C (es)
WO (1) WO2004023416A2 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2848324B3 (fr) * 2002-12-06 2005-01-21 Lionel Prat Dispositif de securite contre le vol a l'etalage, du type etiquette
US7286053B1 (en) 2004-07-31 2007-10-23 Kovio, Inc. Electronic article surveillance (EAS) tag/device with coplanar and/or multiple coil circuits, an EAS tag/device with two or more memory bits, and methods for tuning the resonant frequency of an RLC EAS tag/device
EP1807814A1 (en) * 2004-11-05 2007-07-18 Qinetiq Limited Detunable rf tags
GB0501199D0 (en) * 2005-01-21 2005-03-02 Qinetiq Ltd Improved RF tags
WO2007000578A2 (en) 2005-06-25 2007-01-04 Omni-Id Limited Electromagnetic radiation decoupler
US7425898B2 (en) * 2006-06-01 2008-09-16 Ccl Label, Inc. Label with removable RFID portion
CA2675860A1 (en) * 2007-01-18 2008-07-24 Checkpoint Systems, Inc. Permanently destructible resonant circuit with non-self-healing capacitor
EP2810262A4 (en) * 2012-02-01 2016-07-06 Checkpoint Systems Inc PERMANENTLY DISABLED SAFETY LABEL

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498076A (en) 1982-05-10 1985-02-05 Lichtblau G J Resonant tag and deactivator for use in an electronic security system
US4682154A (en) * 1986-02-12 1987-07-21 E.A.S. Technologies, Inc. Label for use in anti-theft surveillance system
US4802944A (en) 1986-09-29 1989-02-07 Monarch Marking Systems, Inc. Method of making deactivatable tags
CH680823A5 (es) * 1990-08-17 1992-11-13 Kobe Properties Ltd
US5059950A (en) 1990-09-04 1991-10-22 Monarch Marking Systems, Inc. Deactivatable electronic article surveillance tags, tag webs and method of making tag webs
DK166176C (da) * 1990-11-23 1993-08-09 Poul Richter Joergensen Fremgangsmaade til fremstilling af maerkesedler med svingningskredse, som kan aktiveres og deaktiveres
US5754110A (en) 1996-03-07 1998-05-19 Checkpoint Systems, Inc. Security tag and manufacturing method
US5841350A (en) 1997-06-27 1998-11-24 Checkpoint Systems, Inc. Electronic security tag useful in electronic article indentification and surveillance system
US6091607A (en) * 1998-12-10 2000-07-18 Checkpoint Systems, Inc. Resonant tag with a conductive composition closing an electrical circuit
US6400271B1 (en) * 2000-03-20 2002-06-04 Checkpoint Systems, Inc. Activate/deactiveable security tag with enhanced electronic protection for use with an electronic security system
WO2001099074A2 (en) * 2000-06-19 2001-12-27 Impac Group, Inc. Electronic article surveillance tag and method for making same
US6480110B2 (en) * 2000-12-01 2002-11-12 Microchip Technology Incorporated Inductively tunable antenna for a radio frequency identification tag

Also Published As

Publication number Publication date
AU2003265946A8 (en) 2004-03-29
US6919806B2 (en) 2005-07-19
EP1540614A2 (en) 2005-06-15
WO2004023416A3 (en) 2004-11-25
EP1540614A4 (en) 2005-10-12
WO2004023416A2 (en) 2004-03-18
CA2496202A1 (en) 2004-03-18
US20040046665A1 (en) 2004-03-11
AU2003265946A1 (en) 2004-03-29
CA2496202C (en) 2012-03-06
CN1679059A (zh) 2005-10-05

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Legal Events

Date Code Title Description
FG Grant, registration
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