AR241390A1 - Electronic article surveillance system - Google Patents

Electronic article surveillance system

Info

Publication number
AR241390A1
AR241390A1 AR84297424A AR29742484A AR241390A1 AR 241390 A1 AR241390 A1 AR 241390A1 AR 84297424 A AR84297424 A AR 84297424A AR 29742484 A AR29742484 A AR 29742484A AR 241390 A1 AR241390 A1 AR 241390A1
Authority
AR
Argentina
Prior art keywords
surveillance area
electronic article
microwave
article surveillance
surveillance system
Prior art date
Application number
AR84297424A
Other languages
Spanish (es)
Original Assignee
Ici Americas Inc Una Soc Organ
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 Ici Americas Inc Una Soc Organ filed Critical Ici Americas Inc Una Soc Organ
Application granted granted Critical
Publication of AR241390A1 publication Critical patent/AR241390A1/en

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
    • G08B13/2422—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 acoustic or microwave 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
    • G08B13/2465—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
    • 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
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout

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)
  • Acoustics & Sound (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

UNA DISPOSICION ELECTRONICA DE VIGILANCIA DE ARTICULOS CON UN MEDIO TRANSMISOR PARA GENERAR UNA SENAL DE MICROONDAS, MEDIOS DE ANTENAS TRANSMISORES PARA IRRADIAR UNA SENAL DE MICROONDAS A UNA ZONA DE VIGILANCIA, UN MARBETE PARA SER FIJADO A UN ARTICULO PROTEGIDO Y OPERABLE PARA RECIBIR UNA SENAL DE MICROONDAS Y REIRRADIAR UNA SENAL DE RETORNO, ANTENAS RECEPTORAS Y UN RECEPTOR PARA DETECTAR LA SENAL DE RETORNO Y ACTIVAR UNA ALARMA CUANDO SE ENCUENTRA UN MARBETE EN LA ZONA DE VIGILANCIA. LA ANTENA COMPRENDE UNA PLURALIDAD DE PLACAS METALICAS ESPACIADAS A LO LARGO DE LA DIRECCION NORMAL DE TRANSITO DE LA ZONA DE VIGILANCIA, Y UN PLANO DE TIERRA METALICO PARALELO A LAS PLACAS METALICAS FORMANDO LAS PLACAS CON EL PLANO DE TIERRA UNA ESTRUCTURA IRRADIADORA O RECEPTORA DE SENAL.AN ELECTRONIC ARTICLE SURVEILLANCE ARRANGEMENT WITH A TRANSMITTER MEANS TO GENERATE A MICROWAVE SIGNAL, TRANSMITTER ANTENNA MEANS TO IRRADIATE A MICROWAVE SIGNAL TO A SURVEILLANCE AREA, TO BE FIXED TO A PROTECTIVE AND OPERABLE ITEM MICROWAVE AND REIRADIATE A RETURN SIGNAL, RECEIVING ANTENNAS AND A RECEIVER TO DETECT THE RETURN SIGNAL AND ACTIVATE AN ALARM WHEN A MARBETE IS FOUND IN THE SURVEILLANCE AREA. THE ANTENNA INCLUDES A PLURALITY OF METAL PLATES SPACED ALONG THE NORMAL DIRECTION OF TRANSIT FROM THE SURVEILLANCE AREA, AND A METAL EARTH PLAN PARALLEL TO THE METAL PLATES FORMING THE EARTH STRUCTURE OF AN IRRADING STRUCTURE .

AR84297424A 1983-08-01 1984-08-01 Electronic article surveillance system AR241390A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51939583A 1983-08-01 1983-08-01

Publications (1)

Publication Number Publication Date
AR241390A1 true AR241390A1 (en) 1992-06-30

Family

ID=24068144

Family Applications (1)

Application Number Title Priority Date Filing Date
AR84297424A AR241390A1 (en) 1983-08-01 1984-08-01 Electronic article surveillance system

Country Status (9)

Country Link
EP (1) EP0135049B1 (en)
JP (1) JPS60100071A (en)
AR (1) AR241390A1 (en)
AT (1) ATE35063T1 (en)
AU (1) AU573749B2 (en)
BR (1) BR8403774A (en)
CA (1) CA1233540A (en)
DE (1) DE3472019D1 (en)
NZ (1) NZ209068A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647910A (en) * 1985-09-17 1987-03-03 Allied Corporation Selector for AC magnetic inductive field receiver coils
DE4436975B4 (en) * 1994-10-15 2007-10-25 Meto International Gmbh Method for electronic article surveillance
US7127255B2 (en) 2002-10-01 2006-10-24 Trango Systems, Inc. Wireless point to multipoint system
EP1671264A1 (en) * 2003-09-29 2006-06-21 Koninklijke Philips Electronics N.V. System, station, device and method for obtaining quantities
JP2006020083A (en) * 2004-07-01 2006-01-19 Omron Corp Antenna for tag communication, tag communication device, tag communication system, scan adjusting method of tag communication device, and scan adjustment program
EP1684247A1 (en) * 2005-01-20 2006-07-26 Inventio Ag Protection of goods against theft, method for installing such protection and method for protecting goods against theft
US7576655B2 (en) * 2005-03-29 2009-08-18 Accu-Sort Systems, Inc. RFID conveyor system and method
US8854212B2 (en) 2009-03-30 2014-10-07 Datalogic Automation, Inc. Radio frequency identification tag identification system
US10367259B2 (en) 2017-01-12 2019-07-30 Arris Enterprises Llc Antenna with enhanced azimuth gain
CN115275643B (en) * 2022-08-29 2024-07-19 重庆大学 Microstrip antenna with customizable beam tilt angle and design method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO126975B (en) * 1967-03-30 1973-04-16 John Welsh
US3680136A (en) * 1971-10-20 1972-07-25 Us Navy Current sheet antenna
US3895368A (en) * 1972-08-09 1975-07-15 Sensormatic Electronics Corp Surveillance system and method utilizing both electrostatic and electromagnetic fields
US4366484A (en) * 1978-12-29 1982-12-28 Ball Corporation Temperature compensated radio frequency antenna and methods related thereto
US4386357A (en) * 1981-05-21 1983-05-31 Martin Marietta Corporation Patch antenna having tuning means for improved performance

Also Published As

Publication number Publication date
BR8403774A (en) 1985-07-02
DE3472019D1 (en) 1988-07-14
AU3121984A (en) 1985-02-07
JPS60100071A (en) 1985-06-03
EP0135049B1 (en) 1988-06-08
AU573749B2 (en) 1988-06-23
NZ209068A (en) 1988-03-30
ATE35063T1 (en) 1988-06-15
EP0135049A1 (en) 1985-03-27
CA1233540A (en) 1988-03-01

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