DK0439237T3 - Fremgangsmåde og apparat til deaktivering af elektromagnetiske detekteringsmærker - Google Patents

Fremgangsmåde og apparat til deaktivering af elektromagnetiske detekteringsmærker

Info

Publication number
DK0439237T3
DK0439237T3 DK91200141.9T DK91200141T DK0439237T3 DK 0439237 T3 DK0439237 T3 DK 0439237T3 DK 91200141 T DK91200141 T DK 91200141T DK 0439237 T3 DK0439237 T3 DK 0439237T3
Authority
DK
Denmark
Prior art keywords
frequency
detection
label
detected
interrogation field
Prior art date
Application number
DK91200141.9T
Other languages
English (en)
Inventor
Paulus J W M Van Breemen
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 DK0439237T3 publication Critical patent/DK0439237T3/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
    • 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
DK91200141.9T 1990-01-25 1991-01-24 Fremgangsmåde og apparat til deaktivering af elektromagnetiske detekteringsmærker DK0439237T3 (da)

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
DK0439237T3 true DK0439237T3 (da) 1995-06-12

Family

ID=19856479

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91200141.9T DK0439237T3 (da) 1990-01-25 1991-01-24 Fremgangsmåde og apparat til deaktivering af elektromagnetiske detekteringsmærker

Country Status (7)

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

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
ATE425504T1 (de) * 2000-11-16 2009-03-15 Checkpoint Systems Inc Verfahren zum lesen mehrerer transponder in einem hfid-system
US8508367B2 (en) 2009-09-21 2013-08-13 Checkpoint Systems, Inc. Configurable monitoring device
WO2011035302A1 (en) 2009-09-21 2011-03-24 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
ATE86403T1 (de) * 1987-04-23 1993-03-15 Actron Entwicklungs Ag Verfahren zum deaktivieren einer resonanzetikette und schaltungsanordnung zur durchfuehrung des verfahrens.
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
US5153562A (en) 1992-10-06
ATE116756T1 (de) 1995-01-15
DE69106395D1 (de) 1995-02-16
DE69106395T2 (de) 1995-05-04
NL9000186A (nl) 1991-08-16
EP0439237A1 (en) 1991-07-31
ES2069188T3 (es) 1995-05-01
EP0439237B1 (en) 1995-01-04

Similar Documents

Publication Publication Date Title
DK0439237T3 (da) Fremgangsmåde og apparat til deaktivering af elektromagnetiske detekteringsmærker
ES2129579T3 (es) Metodo y sistema para detectar un marcador.
ATE210860T1 (de) Abtasters zum lesen von nah-infraroten fluoreszenten markierungen
DE69632514D1 (de) Schaltung zur Detektion von Frequenzabweichungen und dieselbe benutzendes Messgerät
ES2039590T3 (es) Sistema electronico de identificacion.
DK0615217T3 (da) Elektronisk vareovervågningssystem med forbedret geometrisk arrangement
CY1110065T1 (el) Συσκευη και μεθοδος για τη σαρωση προϊοντων με μια ακτινα φωτος για την ανιχνευση και την απομακρυνση των ακαθαρσιων ή των ανωμαλιων σε μια κινουμενη σειρα προϊοντων
PT633456E (pt) SONDA DE DETECCAO DE NíVEL DE LíQUIDO E CIRCUITO DE CONTROLO
ATE77702T1 (de) Elektromagnetisches detektionssystem.
EP0307911B1 (en) Signal discriminator
DE59407040D1 (de) Verfahren zur elektromagnetischen Detektion von Objekten
DE60123973D1 (de) Magnetomechanisches warenüberwachungssystem und verfahren zur seitenbanddetektierung
ATE323911T1 (de) Vorrichtung und verfahren zur erkennung von codes
DK0454021T3 (da) Fremgangsmåde til deaktivering af en resonansetiket og kredsløb til gennemførelse af fremgangsmåden
WO2002031451A3 (en) Apparatus and method for detecting the location, intensity and initiation time of an energy pulse
FR2676120B1 (fr) Procede et dispositif de detection de force et de position de desequilibre par modulation de frequence.
DE59103215D1 (de) Gleisstromkreis mit Kreuzkorrelation.
DE69614960D1 (de) Verfahren zur Bestimmung des Teigträgertyp; Teigbearbeitungsstrasse und Teigträger
EP0254813A3 (en) Detection method for a passive infrared motion detector and arrangement for carrying out the method
KR910008667A (ko) 파라미터 검출방법 및 데이타 캐리어 주사 장치
ATE182218T1 (de) Vorrichtung und verfahren zur strommessung
SE9601358L (sv) Förfarande och anordning för deaktivering av larmelement
FI923408A (fi) Menetelmä esineen tunnistamiseksi ja esineen tunnistamisjärjestelmä