IT1014484B - Sistema d antenna per impianti elet tronici d allarme - Google Patents

Sistema d antenna per impianti elet tronici d allarme

Info

Publication number
IT1014484B
IT1014484B IT69163/74A IT6916374A IT1014484B IT 1014484 B IT1014484 B IT 1014484B IT 69163/74 A IT69163/74 A IT 69163/74A IT 6916374 A IT6916374 A IT 6916374A IT 1014484 B IT1014484 B IT 1014484B
Authority
IT
Italy
Prior art keywords
electronic
antenna system
alarm systems
alarm
systems
Prior art date
Application number
IT69163/74A
Other languages
English (en)
Original Assignee
Lichtblau G
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 Lichtblau G filed Critical Lichtblau G
Application granted granted Critical
Publication of IT1014484B publication Critical patent/IT1014484B/it

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
    • G08B13/2408—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 ferromagnetic tags
    • G08B13/2411—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
    • G08B13/2405—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
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2477—Antenna or antenna activator circuit

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)
  • Burglar Alarm Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IT69163/74A 1973-11-14 1974-07-08 Sistema d antenna per impianti elet tronici d allarme IT1014484B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/415,657 US3938044A (en) 1973-11-14 1973-11-14 Antenna apparatus for an electronic security system

Publications (1)

Publication Number Publication Date
IT1014484B true IT1014484B (it) 1977-04-20

Family

ID=23646625

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69163/74A IT1014484B (it) 1973-11-14 1974-07-08 Sistema d antenna per impianti elet tronici d allarme

Country Status (7)

Country Link
US (1) US3938044A (it)
JP (1) JPS5081455A (it)
CA (1) CA1015058A (it)
DE (1) DE2442776A1 (it)
FR (1) FR2251059B3 (it)
GB (1) GB1453754A (it)
IT (1) IT1014484B (it)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471343A (en) * 1977-12-27 1984-09-11 Lemelson Jerome H Electronic detection systems and methods
US4413254A (en) * 1981-09-04 1983-11-01 Sensormatic Electronics Corporation Combined radio and magnetic energy responsive surveillance marker and system
US4476459A (en) * 1981-10-23 1984-10-09 Knogo Corporation Theft detection method and apparatus in which the decay of a resonant circuit is detected
US4498076A (en) * 1982-05-10 1985-02-05 Lichtblau G J Resonant tag and deactivator for use in an electronic security system
BR8407314A (pt) * 1984-04-23 1986-04-15 Little Inc A Circuito ressonante do tipo etiqueta e desativador,para utilizacao num sistema de seguranca eletronico
TR23006A (tr) * 1984-04-23 1989-01-10 Lichtblau G J Bir elektronik emniyet sisteminde kullanilmaya yoenelik uec devresi ve deaktivatoer
AT405697B (de) * 1984-04-23 1999-10-25 Lichtblau G J Deaktivierbarer resonanzschaltkreis
US4728938A (en) * 1986-01-10 1988-03-01 Checkpoint Systems, Inc. Security tag deactivation system
US4769631A (en) * 1986-06-30 1988-09-06 Sensormatic Electronics Corporation Method, system and apparatus for magnetic surveillance of articles
US4779077A (en) * 1987-04-13 1988-10-18 Lichtblau G J Continuously armed high reliability pulse train processor
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.
GB8822932D0 (en) * 1988-09-30 1988-11-09 Scient Generics Ltd System for verification of de-activation of anti-theft markers
US5059951A (en) * 1988-11-14 1991-10-22 Checkpoint Systems, Inc. Method and apparatus for integrated data capture and electronic article surveillance
US5201988A (en) * 1989-01-25 1993-04-13 Tokai Metals Co., Ltd. Method of manufacturing a resonant tag
US4920335A (en) * 1989-01-31 1990-04-24 Interamerican Industrial Company Electronic article surveillance device with remote deactivation
US5019801A (en) * 1989-07-24 1991-05-28 Identitech Article surveillance system having target removal sensor
US4999641A (en) * 1989-09-01 1991-03-12 Monarch Marking Systems, Inc. Magnetic antenna system having independently controllable electrical field shielding and magnetic field balance
US5027106A (en) * 1989-12-27 1991-06-25 Checkpoint Systems, Inc. Method and apparatus for electronic article surveillance
US5695860A (en) * 1990-08-06 1997-12-09 Tokai Electronics Co., Ltd. Resonant tag and method of manufacturing the same
US5447779A (en) * 1990-08-06 1995-09-05 Tokai Electronics Co., Ltd. Resonant tag and method of manufacturing the same
US5589251A (en) * 1990-08-06 1996-12-31 Tokai Electronics Co., Ltd. Resonant tag and method of manufacturing the same
CH682265A5 (it) * 1991-02-12 1993-08-13 Actron Entwicklungs Ag
US5218189A (en) * 1991-09-09 1993-06-08 Checkpoint Systems, Inc. Binary encoded multiple frequency rf indentification tag
US5341125A (en) * 1992-01-15 1994-08-23 Sensormatic Electronics Corporation Deactivating device for deactivating EAS dual status magnetic tags
US5373301A (en) * 1993-01-04 1994-12-13 Checkpoint Systems, Inc. Transmit and receive antenna having angled crossover elements
US5469142A (en) * 1994-08-10 1995-11-21 Sensormatic Electronics Corporation Electronic article surveillance system having enhanced tag deactivation capacity
US5602556A (en) * 1995-06-07 1997-02-11 Check Point Systems, Inc. Transmit and receive loop antenna
US5826178A (en) * 1996-01-29 1998-10-20 Seiko Communications Systems, Inc. Loop antenna with reduced electrical field sensitivity
US5699048A (en) * 1996-10-03 1997-12-16 Industrial Technology Inc. Omnidirectional passive electrical marker for underground use
JP3266089B2 (ja) 1997-12-25 2002-03-18 三菱マテリアル株式会社 電波式盗難検出装置
DE69927726T2 (de) * 1998-01-30 2006-07-06 Mitsubishi Materials Corp. HF-Antidiebstahlvorrichtung
US6011474A (en) * 1998-04-28 2000-01-04 Sensormatic Electronics Corporation Multiple-use deactivation device for electronic article surveillance markers
ES2152152B1 (es) * 1998-05-22 2001-08-01 El Corte Ingles S A Controlador de etiquetas de seguridad utilizadas en la comercializacion de mercancias.
US6087940A (en) * 1998-07-28 2000-07-11 Novavision, Inc. Article surveillance device and method for forming
JP4090600B2 (ja) * 1998-12-08 2008-05-28 富士通株式会社 商品情報管理システム
US6097293A (en) * 1999-04-15 2000-08-01 Industrial Technology, Inc. Passive electrical marker for underground use and method of making thereof
US6388575B1 (en) 1999-11-05 2002-05-14 Industrial Technology, Inc. Addressable underground marker
US6114961A (en) * 1999-11-12 2000-09-05 Sensormatic Electronics Corporation Multi-technology in-line EAS deactivation apparatus
US6380857B1 (en) 2000-10-16 2002-04-30 Industrial Technology, Inc. Self leveling underground marker
US6595421B2 (en) * 2001-01-31 2003-07-22 Ncr Corporation Integrated antenna scanner window
FR2828016B1 (fr) * 2001-07-30 2005-03-25 Pygmalyon Antennes du genre boucle
US7389918B2 (en) * 2001-10-23 2008-06-24 Ncr Corporation Automatic electronic article surveillance for self-checkout
US7446646B2 (en) * 2003-06-30 2008-11-04 Nokia Corporation System and method for supporting multiple reader-tag configurations using multi-mode radio frequency tag
US7109866B2 (en) * 2004-01-23 2006-09-19 Sensormatic Electronics Corporation Electronic article surveillance marker deactivator using an expanded detection zone
DE102004030229A1 (de) * 2004-06-23 2006-01-19 Infineon Technologies Ag Funkabfragbarer Datenträger
DE102004038840A1 (de) * 2004-08-10 2006-02-23 Infineon Technologies Ag Identifikations-Datenträger, Lese-Vorrichtung, Identifikations-System und Verfahren zum Herstellen eines Identifikations-Datenträgers
JP4571555B2 (ja) * 2005-08-25 2010-10-27 株式会社日立製作所 アンテナ装置及びリーダライタ
US7619528B2 (en) * 2006-10-24 2009-11-17 Ncr Corporation Methods and apparatus for detecting and identifying improper antitheft device deactivation
KR20130085439A (ko) * 2007-09-13 2013-07-29 퀄컴 인코포레이티드 무선 전력 인가를 위한 안테나
KR101694520B1 (ko) * 2013-11-26 2017-01-10 한국전자통신연구원 루프 안테나 및 그의 스위칭 방법
US20150179053A1 (en) * 2013-12-20 2015-06-25 General Electric Company System and method to detect a presence of an object relative to a support
US9577349B2 (en) 2015-06-29 2017-02-21 Near Field Magnetics, Inc. Near-field magnetic communication antenna
DE112017003966T8 (de) * 2016-12-02 2019-07-11 Murata Manufacturing Co., Ltd. Hilfsantenne, RFID-System und Verfahren zum Lesen eines RFID-Etiketts

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227954A (en) * 1963-05-07 1966-01-04 Jr Walter C Fichter Transmit-receive switching circuit utilizing diodes
US3624631A (en) * 1970-04-27 1971-11-30 Sanders Associates Inc Pilferage control system
US3820103A (en) * 1972-12-15 1974-06-25 Stop Loss Inc System for detecting an object within a magnetic field

Also Published As

Publication number Publication date
JPS5081455A (it) 1975-07-02
US3938044A (en) 1976-02-10
FR2251059B3 (it) 1977-07-22
GB1453754A (en) 1976-10-27
FR2251059A1 (it) 1975-06-06
DE2442776A1 (de) 1975-09-18
CA1015058A (en) 1977-08-02

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