ES2121139T3 - Procedimiento y sistema para la deteccion de los efectos de resonancia de una etiqueta en un campo de interrogacion de barrido de frecuencia por medio de la demodulacion de una sola banda lateral. - Google Patents

Procedimiento y sistema para la deteccion de los efectos de resonancia de una etiqueta en un campo de interrogacion de barrido de frecuencia por medio de la demodulacion de una sola banda lateral.

Info

Publication number
ES2121139T3
ES2121139T3 ES94200205T ES94200205T ES2121139T3 ES 2121139 T3 ES2121139 T3 ES 2121139T3 ES 94200205 T ES94200205 T ES 94200205T ES 94200205 T ES94200205 T ES 94200205T ES 2121139 T3 ES2121139 T3 ES 2121139T3
Authority
ES
Spain
Prior art keywords
label
side band
detection
interrogation
resonance effects
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES94200205T
Other languages
English (en)
Spanish (es)
Inventor
Tallienco Wieand Harm Fockens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nederlandsche Apparatenfabriek NEDAP NV
Original Assignee
Nederlandsche Apparatenfabriek 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 Nederlandsche Apparatenfabriek NEDAP NV filed Critical Nederlandsche Apparatenfabriek NEDAP NV
Application granted granted Critical
Publication of ES2121139T3 publication Critical patent/ES2121139T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G08B13/2431—Tag circuit 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2471—Antenna signal processing by receiver or emitter

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Near-Field Transmission Systems (AREA)
  • Burglar Alarm Systems (AREA)
ES94200205T 1993-01-28 1994-01-28 Procedimiento y sistema para la deteccion de los efectos de resonancia de una etiqueta en un campo de interrogacion de barrido de frecuencia por medio de la demodulacion de una sola banda lateral. Expired - Lifetime ES2121139T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9300180A NL9300180A (nl) 1993-01-28 1993-01-28 Detectie van resonantie door middel van enkelzijbanddemodulatie.

Publications (1)

Publication Number Publication Date
ES2121139T3 true ES2121139T3 (es) 1998-11-16

Family

ID=19861997

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94200205T Expired - Lifetime ES2121139T3 (es) 1993-01-28 1994-01-28 Procedimiento y sistema para la deteccion de los efectos de resonancia de una etiqueta en un campo de interrogacion de barrido de frecuencia por medio de la demodulacion de una sola banda lateral.

Country Status (4)

Country Link
EP (1) EP0608961B1 (de)
DE (1) DE69412872T2 (de)
ES (1) ES2121139T3 (de)
NL (1) NL9300180A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4436977A1 (de) * 1994-10-15 1996-04-18 Esselte Meto Int Gmbh Anlage zur elektronischen Artikelüberwachung
EP0700026A1 (de) * 1995-07-25 1996-03-06 Actron Produktion AG Verfahren und Vorrichtung zur Ferndetektion von elektrischen Resonanzgebilden
NL1011416C2 (nl) * 1999-03-01 2000-09-06 Nl App Nfabriek Oenedapoe Nv Enkelzijband zender toepassing en schakelingen voor RF ID ondervraageenheid.
DE19908879A1 (de) * 1999-03-01 2000-09-07 Georg Siegel Gmbh Zur Verwertu Verfahren zur Umrüstung von Sensoranlagen für Warensicherungsetiketten
NL1011673C2 (nl) * 1999-03-25 2000-09-27 Nedap Nv Draaiveld ontvanger voor magnetisch identificatiesysteem.
JP2010529564A (ja) 2007-06-08 2010-08-26 チエツクポイント システムズ， インコーポレーテツド 動的ｅａｓ検出システムおよび方法
US8933790B2 (en) 2007-06-08 2015-01-13 Checkpoint Systems, Inc. Phase coupler for rotating fields
DE102011014317B4 (de) * 2011-03-18 2021-07-29 Robert Bosch Gmbh Sensorüberwachung einer Positionsmessvorrichtung mittels Wärmerauschen
WO2014081383A1 (en) 2012-11-23 2014-05-30 Delaval Holding Ab Registering of a transponder tag via an alternating electromagnetic field
CN207051913U (zh) 2014-05-06 2018-02-27 利拉伐控股有限公司 经由交变电磁场的应答器标签注册

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8202951A (nl) * 1982-07-21 1984-02-16 Nedap Nv Absorptiedetectiestelsel.
US4812822A (en) * 1987-08-31 1989-03-14 Monarch Marking Systems, Inc. Electronic article surveillance system utilizing synchronous integration
NL8900658A (nl) * 1989-03-17 1990-10-16 Nedap Nv Hoogfrequent winkeldiefstaldetectiesysteem volgens het transmissieprincipe.

Also Published As

Publication number Publication date
DE69412872T2 (de) 1999-05-12
NL9300180A (nl) 1994-08-16
EP0608961A1 (de) 1994-08-03
EP0608961B1 (de) 1998-09-02
DE69412872D1 (de) 1998-10-08

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