DK0454021T3 - Fremgangsmåde til deaktivering af en resonansetiket og kredsløb til gennemførelse af fremgangsmåden - Google Patents

Fremgangsmåde til deaktivering af en resonansetiket og kredsløb til gennemførelse af fremgangsmåden

Info

Publication number
DK0454021T3
DK0454021T3 DK91106427.7T DK91106427T DK0454021T3 DK 0454021 T3 DK0454021 T3 DK 0454021T3 DK 91106427 T DK91106427 T DK 91106427T DK 0454021 T3 DK0454021 T3 DK 0454021T3
Authority
DK
Denmark
Prior art keywords
deactivating
circuitry
carrying
resonance label
deactivated
Prior art date
Application number
DK91106427.7T
Other languages
English (en)
Inventor
J Rehder
Original Assignee
Actron Entwicklungs Ag
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 Actron Entwicklungs Ag filed Critical Actron Entwicklungs Ag
Application granted granted Critical
Publication of DK0454021T3 publication Critical patent/DK0454021T3/da

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)
  • Radar Systems Or Details Thereof (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Discharge Heating (AREA)
  • Near-Field Transmission Systems (AREA)
DK91106427.7T 1990-04-25 1991-04-22 Fremgangsmåde til deaktivering af en resonansetiket og kredsløb til gennemførelse af fremgangsmåden DK0454021T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH139690 1990-04-25

Publications (1)

Publication Number Publication Date
DK0454021T3 true DK0454021T3 (da) 1997-06-16

Family

ID=4209450

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91106427.7T DK0454021T3 (da) 1990-04-25 1991-04-22 Fremgangsmåde til deaktivering af en resonansetiket og kredsløb til gennemførelse af fremgangsmåden

Country Status (6)

Country Link
EP (1) EP0454021B1 (da)
JP (1) JP2910873B2 (da)
AT (1) ATE147527T1 (da)
DE (1) DE59108459D1 (da)
DK (1) DK0454021T3 (da)
ES (1) ES2095267T3 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK167829B1 (da) * 1991-11-14 1993-12-20 Poul Richter Joergensen Fremgangsmaade og apparat til aktivering og deaktivering af maerkesedler
NL1002150C2 (nl) * 1996-01-23 1997-07-25 Nedap Nv Deactiveersysteem met verbeterde betrouwbaarheid.
WO2000026880A2 (en) * 1998-10-30 2000-05-11 Sensormatic Electronics Corporation Security systems for inhibiting theft of goods from retail stores
US6486782B1 (en) * 2000-07-07 2002-11-26 3M Innovative Properties Device for changing the status of dual status magnetic electronic article surveillance markers
US6778087B2 (en) 2001-06-15 2004-08-17 3M Innovative Properties Company Dual axis magnetic field EAS device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1599120A (en) * 1978-05-19 1981-09-30 Philips Electronic Associated Detection system
US4498076A (en) * 1982-05-10 1985-02-05 Lichtblau G J Resonant tag and deactivator for use in an electronic security system
US4728938A (en) * 1986-01-10 1988-03-01 Checkpoint Systems, Inc. Security tag deactivation system
ATE86403T1 (de) * 1987-04-23 1993-03-15 Actron Entwicklungs Ag Verfahren zum deaktivieren einer resonanzetikette und schaltungsanordnung zur durchfuehrung des verfahrens.

Also Published As

Publication number Publication date
ATE147527T1 (de) 1997-01-15
ES2095267T3 (es) 1997-02-16
DE59108459D1 (de) 1997-02-20
JP2910873B2 (ja) 1999-06-23
EP0454021A1 (de) 1991-10-30
JPH04229394A (ja) 1992-08-18
EP0454021B1 (de) 1997-01-08

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