ATE116756T1 - Verfahren und vorrichtung zum deaktivieren elektromagnetischer erfassungsmarken. - Google Patents

Verfahren und vorrichtung zum deaktivieren elektromagnetischer erfassungsmarken.

Info

Publication number
ATE116756T1
ATE116756T1 AT91200141T AT91200141T ATE116756T1 AT E116756 T1 ATE116756 T1 AT E116756T1 AT 91200141 T AT91200141 T AT 91200141T AT 91200141 T AT91200141 T AT 91200141T AT E116756 T1 ATE116756 T1 AT E116756T1
Authority
AT
Austria
Prior art keywords
frequency
detection
label
detected
interrogation field
Prior art date
Application number
AT91200141T
Other languages
English (en)
Inventor
Breemen Paulus Johannes Wi Van
Original Assignee
Nedap Nv
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 Nedap Nv filed Critical Nedap Nv
Application granted granted Critical
Publication of ATE116756T1 publication Critical patent/ATE116756T1/de

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
    • 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Radar Systems Or Details Thereof (AREA)
AT91200141T 1990-01-25 1991-01-24 Verfahren und vorrichtung zum deaktivieren elektromagnetischer erfassungsmarken. ATE116756T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9000186A NL9000186A (nl) 1990-01-25 1990-01-25 Deactiveerinrichting.

Publications (1)

Publication Number Publication Date
ATE116756T1 true ATE116756T1 (de) 1995-01-15

Family

ID=19856479

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91200141T ATE116756T1 (de) 1990-01-25 1991-01-24 Verfahren und vorrichtung zum deaktivieren elektromagnetischer erfassungsmarken.

Country Status (7)

Country Link
US (1) US5153562A (de)
EP (1) EP0439237B1 (de)
AT (1) ATE116756T1 (de)
DE (1) DE69106395T2 (de)
DK (1) DK0439237T3 (de)
ES (1) ES2069188T3 (de)
NL (1) NL9000186A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9002120A (nl) * 1990-09-28 1992-04-16 Nedap Nv Pulsdeactivator.
US5337040A (en) * 1991-10-31 1994-08-09 Actron Entwicklungs Ag Detection apparatus for shoplifting-preventing labels
DK167829B1 (da) * 1991-11-14 1993-12-20 Poul Richter Joergensen Fremgangsmaade og apparat til aktivering og deaktivering af maerkesedler
US5288980A (en) * 1992-06-25 1994-02-22 Kingsley Library Equipment Company Library check out/check in system
US7123129B1 (en) * 1995-08-14 2006-10-17 Intermec Ip Corp. Modulation of the resonant frequency of a circuit using an energy field
FI100491B (fi) * 1995-08-23 1997-12-15 Tuotesuoja Sirpa Jaervensivu K Tuotesuoja-anturin deaktivointilaitteisto
US6232878B1 (en) * 1999-05-20 2001-05-15 Checkpoint Systems, Inc. Resonant circuit detection, measurement and deactivation system employing a numerically controlled oscillator
US6963270B1 (en) 1999-10-27 2005-11-08 Checkpoint Systems, Inc. Anticollision protocol with fast read request and additional schemes for reading multiple transponders in an RFID system
ES2324639T3 (es) * 2000-11-16 2009-08-12 Checkpoint Systems, Inc. Metodo de lectura de transpondedores multiples en un sistema rfid.
US8508367B2 (en) 2009-09-21 2013-08-13 Checkpoint Systems, Inc. Configurable monitoring device
US8452868B2 (en) 2009-09-21 2013-05-28 Checkpoint Systems, Inc. Retail product tracking system, method, and apparatus
EP3450201B1 (de) * 2017-09-04 2020-07-01 Continental Reifen Deutschland GmbH Verfahren zur herstellung einer kautschukmischung und kautschukmischung hergestellt nach dem verfahren
US10511347B2 (en) * 2017-11-14 2019-12-17 Nxp B.V. Device detection in contactless communication systems
CN112037452B (zh) * 2020-09-10 2023-02-21 成都威图芯晟科技有限公司 电子商品防盗系统、发射机及防盗信号生成方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810147A (en) * 1971-12-30 1974-05-07 G Lichtblau Electronic security 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
US4876555B1 (en) * 1987-03-17 1995-07-25 Actron Entwicklungs Ag Resonance label and method for its fabrication
ES2039005T3 (es) * 1987-04-23 1993-08-16 Actron Entwicklungs Ag Procedimiento para la desactivacion de una etiqueta de resonancia y disposicion de circuito para la realizacion del procedimiento.
US4920335A (en) * 1989-01-31 1990-04-24 Interamerican Industrial Company Electronic article surveillance device with remote deactivation
US5012225A (en) * 1989-12-15 1991-04-30 Checkpoint Systems, Inc. System for deactivating a field-sensitive tag or label

Also Published As

Publication number Publication date
EP0439237A1 (de) 1991-07-31
NL9000186A (nl) 1991-08-16
DK0439237T3 (da) 1995-06-12
US5153562A (en) 1992-10-06
ES2069188T3 (es) 1995-05-01
DE69106395D1 (de) 1995-02-16
EP0439237B1 (de) 1995-01-04
DE69106395T2 (de) 1995-05-04

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee