JPS59118084U - 電子式保安システムのためのアンテナシステム - Google Patents

電子式保安システムのためのアンテナシステム

Info

Publication number
JPS59118084U
JPS59118084U JP1983191173U JP19117383U JPS59118084U JP S59118084 U JPS59118084 U JP S59118084U JP 1983191173 U JP1983191173 U JP 1983191173U JP 19117383 U JP19117383 U JP 19117383U JP S59118084 U JPS59118084 U JP S59118084U
Authority
JP
Japan
Prior art keywords
antenna
loops
twisted
antenna system
tag
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.)
Granted
Application number
JP1983191173U
Other languages
English (en)
Other versions
JPS6037675Y2 (ja
Inventor
ジヨージ・ジエイ・リヒトブラウ
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS59118084U publication Critical patent/JPS59118084U/ja
Application granted granted Critical
Publication of JPS6037675Y2 publication Critical patent/JPS6037675Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/767—Responders; Transponders
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Burglar Alarm Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Alarm Systems (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は本考案を使用する電子式保安システムのブロッ
ク線図である；第２図は電子式保安システムに採用され
た従来のループアンテナの模式図である。第３図は本考
案に従ったアンテナシステムの一つの実施例の模式図で
ある。第４図は第３図の実施例のアンテナの結合関係を
表わす図である。第５図は本考案に従ったアンテナシス
テムの好ましい実施例の模式図である。第６図はアンテ
ナの性能をアンテナからの距離の関数として表わした概
略のグラフである。

Claims (1)

  1. 【実用新案登録請求の範囲】 １　反復掃引される周波数帯域を発生する送信機と、掃
    引される帯域内に共振周波数を有する共振タグと、掃引
    された場によって発生したタグの共振周波数を検出して
    それを指示する警報を発する受信機とを有する電子式保
    安システムで使用するためのアンテナシステムにして、
    該送信機に結合されており、共通平面内に存在する少な
    くとも２つの捩られているループであって、そのループ
    の各々が１８０°捩られていて隣り合う各ループが逆位
    相になっているループを有する送信アンテナと、 該受信機に結合されており、該送信アンテナと実質的に
    同一であり、共通平面内に存在する少なくとも２つの捩
    られているループであって、そのループの各々が１８０
    °捩られていて隣り合う各ループが逆位相になっている
    ループを有する受信アンテナとを具備し、 該アンテナがこれらの間に相互磁気結合を有し且つ該ア
    ンテナの各々がある位相の有効全ループ面積と等しい逆
    位相の有効全ルール面積を有し、 該送信アンテナ及び該受信アンテナが、該タグが検出の
    ために通過しなければならない通路の両側にそれぞれ間
    隔を置いて実質上平行な関係で配置されている ことを特徴とするアンテナシステム。 ２一方のアンテナのループが他方のアンテナの対応する
    ループに実質上整合している実用新案登録請求の範囲第
    １項記載のアンテナシステム。 ３　各アンテナのループが略矩形である実用新案登録請
    求の範囲第１項記載のアンテナシステム。 ４　各アンテナが、等しい有効面積の２つの捩られたル
    ープを有する実用新案登録請求の範囲第１項記載のアン
    テナシステム。
JP1983191173U 1978-02-17 1983-12-13 電子式保安システムのためのアンテナシステム Expired JPS6037675Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/878,753 US4243980A (en) 1978-02-17 1978-02-17 Antenna system for electronic security installations
US878753 1978-02-17

Publications (2)

Publication Number Publication Date
JPS59118084U true JPS59118084U (ja) 1984-08-09
JPS6037675Y2 JPS6037675Y2 (ja) 1985-11-09

Family

ID=25372764

Family Applications (2)

Application Number Title Priority Date Filing Date
JP1554179A Pending JPS54115099A (en) 1978-02-17 1979-02-15 Antenna system for electronic security system
JP1983191173U Expired JPS6037675Y2 (ja) 1978-02-17 1983-12-13 電子式保安システムのためのアンテナシステム

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP1554179A Pending JPS54115099A (en) 1978-02-17 1979-02-15 Antenna system for electronic security system

Country Status (13)

Country Link
US (1) US4243980A (ja)
JP (2) JPS54115099A (ja)
AU (1) AU531513B2 (ja)
CA (1) CA1138990A (ja)
DE (1) DE2904978A1 (ja)
DK (1) DK156857C (ja)
ES (1) ES477673A1 (ja)
FR (1) FR2427697A1 (ja)
GB (1) GB2014796B (ja)
IT (1) IT1118373B (ja)
MX (1) MX147098A (ja)
SE (1) SE439850B (ja)
ZA (1) ZA79542B (ja)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260990A (en) * 1979-11-08 1981-04-07 Lichtblau G J Asymmetrical antennas for use in electronic security systems
US4251808A (en) * 1979-11-15 1981-02-17 Lichtblau G J Shielded balanced loop antennas for electronic security systems
US4384281A (en) * 1980-10-31 1983-05-17 Knogo Corporation Theft detection apparatus using saturable magnetic targets
CA1180788A (en) * 1981-10-05 1985-01-08 Ariel G. Paladini System for registrating a passing article
GB2133660B (en) * 1982-11-09 1986-07-30 Tag Radionics Ltd Transponder detection systems
FR2553523B1 (fr) * 1983-10-17 1986-06-13 Raibaud Guy Alarme inductive de protection contre le vol par detection de circuits resonnants
GB2164824A (en) * 1984-09-20 1986-03-26 Stc Plc Access control system
US4866455A (en) * 1985-01-10 1989-09-12 Lichtblau G J Antenna system for magnetic and resonant circuit detection
US4751516A (en) * 1985-01-10 1988-06-14 Lichtblau G J Antenna system for magnetic and resonant circuit detection
US4728938A (en) * 1986-01-10 1988-03-01 Checkpoint Systems, Inc. Security tag deactivation system
SE451166C (sv) * 1986-01-21 1990-12-10 Intermodulation & Safety Syst Mottagaranordning foer att detektera naervaro av en indikeringsanordning i en begraensad undersoekningszon
US4779077A (en) * 1987-04-13 1988-10-18 Lichtblau G J Continuously armed high reliability pulse train processor
FR2615040B1 (fr) * 1987-05-07 1990-02-16 Thomson Cgr Antenne de reception a decouplage passif notamment pour appareil d'imagerie par resonnance magnetique nucleaire
ZA89872B (en) * 1988-02-04 1990-10-31 Uniscan Ltd Concentrator
NL8900658A (nl) * 1989-03-17 1990-10-16 Nedap Nv Hoogfrequent winkeldiefstaldetectiesysteem volgens het transmissieprincipe.
EP0466691B1 (de) * 1989-04-05 1993-03-03 Siemens Nixdorf Informationssysteme Aktiengesellschaft Teilbare papierteilereinrichtung für vorgefaltetes endlospapier in einer nichtmechanischen druckeinrichtung
US5126749A (en) * 1989-08-25 1992-06-30 Kaltner George W Individually fed multiloop antennas for electronic security systems
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
US5061941A (en) * 1990-02-01 1991-10-29 Checkpoint Systems, Inc. Composite antenna for electronic article surveillance systems
US5051726A (en) * 1990-08-14 1991-09-24 Sensormatic Electronics Corporation Electronic article surveillance system with antenna array for enhanced field falloff
FR2681432A1 (fr) * 1991-09-12 1993-03-19 Magnetech Dispositif de mesure electromagnetique et son utilisation pour evaluer l'efficacite d'une sonde de resonance magnetique.
DE4200082A1 (de) * 1992-01-03 1993-07-08 Minnesota Mining & Mfg Vorrichtung und verfahren zum erkennen eines magnetisierbaren markierungselementes
GB9220411D0 (en) * 1992-09-28 1992-11-11 Texas Instruments Holland Noise cancelling in antennae and the like
US5404147A (en) * 1992-10-28 1995-04-04 Sensormatic Electronics Corporation EAS system loop antenna having three loops of different area
US5387900A (en) * 1992-11-19 1995-02-07 Sensormatic Electronics Corporation EAS system with improved processing of antenna signals
GB9305085D0 (en) * 1993-03-12 1993-04-28 Esselte Meto Int Gmbh Electronic article surveillance system with enhanced geometric arrangement
DE59406653D1 (de) * 1993-07-13 1998-09-17 Actron Entwicklungs Ag Antennenvorrichtung
NL9400076A (nl) * 1994-01-17 1995-09-01 Nedap Nv Diefstaldetectie- en identificatiesysteem.
US5694139A (en) * 1994-06-28 1997-12-02 Sony Corporation Short-distance communication antenna and methods of manufacturing and using the short-distance communication antenna
AU702622B2 (en) * 1995-05-30 1999-02-25 Sensormatic Electronics Corporation EAS system antenna configuration for providing improved interrogation field distribution
US5653192A (en) * 1996-03-06 1997-08-05 Alfa Laval Agri Inc. Livestock identification apparatus
AU2546597A (en) * 1996-04-10 1997-10-29 Sentry Technology Corporation Electronic article surveillance system
US5914692A (en) * 1997-01-14 1999-06-22 Checkpoint Systems, Inc. Multiple loop antenna with crossover element having a pair of spaced, parallel conductors for electrically connecting the multiple loops
DE19727930B4 (de) * 1997-07-01 2004-05-27 Anatoli Stobbe Vorrichtung zur Identifizierung von an sportlichen Wettbewerben teilnehmenden Personen oder Tieren
US5963173A (en) * 1997-12-05 1999-10-05 Sensormatic Electronics Corporation Antenna and transmitter arrangement for EAS system
US6388628B1 (en) 1998-05-18 2002-05-14 Db Tag, Inc. Systems and methods for wirelessly projecting power using in-phase current loops
US6570541B2 (en) 1998-05-18 2003-05-27 Db Tag, Inc. Systems and methods for wirelessly projecting power using multiple in-phase current loops
FR2781088B1 (fr) * 1998-07-08 2000-10-20 Roland Wehrlen Dispositif d'antennes passives dephasees adaptables exterieurement ou interieurement pour telephones h.f portables pour la protection electromagnetique h.f des utilisateurs
JP2000151257A (ja) * 1998-11-12 2000-05-30 Sofueru:Kk 電磁波送受信用アンテナ構造
RU2156527C1 (ru) * 1999-06-30 2000-09-20 Центральный физико-технический институт Министерства обороны Российской Федерации Способ излучения электромагнитного импульса в атмосфере
DE59915137D1 (de) * 1999-12-16 2010-04-08 Infineon Technologies Ag Spulenanordnung für induktive kontaktlose Karten- und ID-Systeme
JP3498716B2 (ja) 2001-02-09 2004-02-16 オムロン株式会社 アンテナ装置
GB2376801B (en) * 2001-06-22 2005-10-19 * Motorola Israel Limited R F Radiators and Transmitters
JP2004227185A (ja) * 2003-01-21 2004-08-12 Toshiba Corp アンテナユニットとカード処理システム
US7026939B2 (en) * 2003-02-10 2006-04-11 Phase Iv Engineering, Inc. Livestock data acquisition and collection
US7019651B2 (en) * 2003-06-16 2006-03-28 Sensormatic Electronics Corporation EAS and RFID systems incorporating field canceling core antennas
JP4032014B2 (ja) * 2003-07-18 2008-01-16 リンテック株式会社 磁界検出用アンテナ、同アンテナを用いる検知タグ検出用ゲート
US7417599B2 (en) * 2004-02-20 2008-08-26 3M Innovative Properties Company Multi-loop antenna for radio frequency identification (RFID) communication
JP2006025363A (ja) * 2004-07-09 2006-01-26 Nippon Signal Co Ltd:The リーダライタ用アンテナ及び物品管理システム
US7591415B2 (en) * 2004-09-28 2009-09-22 3M Innovative Properties Company Passport reader for processing a passport having an RFID element
FR2879831B1 (fr) * 2004-12-21 2008-07-11 Tagsys Sa Agencement d'antennes
JP4843054B2 (ja) * 2006-11-21 2011-12-21 パイオニア株式会社 通信装置
MX2009013306A (es) * 2007-06-08 2010-02-15 Checkpoint Systems Inc Sistema y metodo de deteccion de eas dinamica.
US8933790B2 (en) * 2007-06-08 2015-01-13 Checkpoint Systems, Inc. Phase coupler for rotating fields
EP2065973A1 (en) * 2007-11-28 2009-06-03 Stichting Astron A magnetic radiator arranged with decoupling means
CN101285866B (zh) * 2008-05-23 2011-08-24 杭州电子科技大学 电子软标签检测传感器
DE102010027639B4 (de) * 2010-07-19 2023-03-30 Sew-Eurodrive Gmbh & Co Kg Spuleneinrichtung und Spulenanordnung
DE102011014887A1 (de) * 2011-03-23 2012-09-27 Sew-Eurodrive Gmbh & Co. Kg Anlage mit einem stationären Teil und einem dazu relativ bewegbar angeordneten Mobilteil
DE102011103318A1 (de) * 2011-05-27 2012-12-13 Paul Vahle Gmbh & Co. Kg Induktives kontaktloses Energie- und Datenübertragungssystem
US8576114B2 (en) * 2011-06-24 2013-11-05 Thales Canada Inc. Location of a transponder center point
US8864599B2 (en) * 2011-07-18 2014-10-21 Swing-Wright, Llc Teaching aid
RU2630894C2 (ru) * 2015-03-16 2017-09-14 Валерий Николаевич Фролов Способ радиолокационного обнаружения для технических средств охраны
WO2021054876A1 (en) * 2019-09-19 2021-03-25 Husqvarna Ab Wireless identification tags and corresponding readers

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR763681A (fr) * 1933-11-10 1934-05-04 Procédé de repérage des objets par modification d'un champ magnétique
US2366195A (en) * 1942-11-23 1945-01-02 Standard Telephones Cables Ltd Antenna array
US2550688A (en) * 1949-03-19 1951-05-01 Rca Corp Metal detection apparatus
US3611341A (en) * 1968-09-17 1971-10-05 David T Craig Pressure-magnetic detection system
US3757501A (en) * 1971-10-29 1973-09-11 Sperry Rand Corp Static magnetic field metal detector
US3810147A (en) * 1971-12-30 1974-05-07 G Lichtblau Electronic security system
US3863244A (en) * 1972-06-14 1975-01-28 Lichtblau G J Electronic security system having improved noise discrimination
US3967161A (en) * 1972-06-14 1976-06-29 Lichtblau G J A multi-frequency resonant tag circuit for use with an electronic security system having improved noise discrimination
US3967262A (en) * 1975-04-30 1976-06-29 The United States Of America As Represented By The Secretary Of The Army Line integrated combination magnetic and strain line sensor
US4016553A (en) * 1975-06-27 1977-04-05 Knogo Corporation Article detection system with near field electromagnetic wave control
US4135183A (en) * 1977-05-24 1979-01-16 Minnesota Mining And Manufacturing Company Antipilferage system utilizing "figure-8" shaped field producing and detector coils
US4135184A (en) * 1977-08-31 1979-01-16 Knogo Corporation Electronic theft detection system for monitoring wide passageways

Also Published As

Publication number Publication date
JPS54115099A (en) 1979-09-07
ES477673A1 (es) 1980-04-01
GB2014796B (en) 1982-08-04
SE439850B (sv) 1985-07-01
ZA79542B (en) 1980-03-26
GB2014796A (en) 1979-08-30
SE7901420L (sv) 1979-08-18
DK156857B (da) 1989-10-09
AU531513B2 (en) 1983-08-25
DE2904978C2 (ja) 1988-03-03
MX147098A (es) 1982-10-05
DK156857C (da) 1990-02-26
JPS6037675Y2 (ja) 1985-11-09
FR2427697B1 (ja) 1985-02-08
AU4400879A (en) 1979-08-23
FR2427697A1 (fr) 1979-12-28
DE2904978A1 (de) 1979-08-23
IT1118373B (it) 1986-02-24
IT7967350A0 (it) 1979-02-16
US4243980A (en) 1981-01-06
DK66779A (da) 1979-08-18
CA1138990A (en) 1983-01-04

Similar Documents

Publication Publication Date Title
JPS59118084U (ja) 電子式保安システムのためのアンテナシステム
JPH029890U (ja)
US4922261A (en) Aerial systems
KR20010099766A (ko) 자기적으로 결합된 직교 루프를 구비한 회전 전계 안테나
CA2081752C (en) Transponder system
US20050270222A1 (en) Transponder, including transponder system
ATE21180T1 (de) Tragbarer frequenzteiler ohne batterie.
GB2086192A (en) A magnetic surveillance system
ES2002150A6 (es) Transpondedor portatil, etiqueta codificada que lo incluye y sistema detector de presencia, especialmente para vigilar articulos en tiendas.
JPS62127140U (ja)
ES8302369A1 (es) Un sistema de antenas para su uso en un sistema electronico de seguridad.
CN101341661A (zh) 扩展和调制救生衣GPS终端130dBm频率的多功能系统
JPS59118085U (ja) 電子防備システムの干渉除去回路
Pandian et al. RFID: An appraisal of malevolent attacks on RFID security system and its resurgence
JP2000105801A (ja) 非接触データキャリアパッケージ
JPS62294346A (ja) マイクロ波デ−タ伝送装置
WO1991010206A1 (en) Transmission system
JPS63121773A (ja) 移動体識別装置
JPS6375584A (ja) 移動体識別装置
JP3451846B2 (ja) 非接触データキャリアシステム
JPS58184934U (ja) 雑音防止回路
JPH04170114A (ja) 無線応答装置
Burke Transient response of a heterodyne receiver: Implications for a time-of-arrival system
JPS5970297U (ja) 侵入警報装置
JPS63169584A (ja) 移動物体識別装置