SE407476B - System for pavisning av foremal - Google Patents

System for pavisning av foremal

Info

Publication number
SE407476B
SE407476B SE7607320A SE7607320A SE407476B SE 407476 B SE407476 B SE 407476B SE 7607320 A SE7607320 A SE 7607320A SE 7607320 A SE7607320 A SE 7607320A SE 407476 B SE407476 B SE 407476B
Authority
SE
Sweden
Prior art keywords
foremal
display system
display
foremal display
Prior art date
Application number
SE7607320A
Other languages
English (en)
Other versions
SE7607320L (sv
Inventor
E B Novikoff
R Pruzick
Original Assignee
Knogo Corp
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 Knogo Corp filed Critical Knogo Corp
Publication of SE7607320L publication Critical patent/SE7607320L/sv
Publication of SE407476B publication Critical patent/SE407476B/sv

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
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Automation & Control Theory (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Radar Systems Or Details Thereof (AREA)
SE7607320A 1975-06-27 1976-06-24 System for pavisning av foremal SE407476B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/590,913 US4016553A (en) 1975-06-27 1975-06-27 Article detection system with near field electromagnetic wave control

Publications (2)

Publication Number Publication Date
SE7607320L SE7607320L (sv) 1976-12-28
SE407476B true SE407476B (sv) 1979-03-26

Family

ID=24364250

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7607320A SE407476B (sv) 1975-06-27 1976-06-24 System for pavisning av foremal

Country Status (5)

Country Link
US (1) US4016553A (sv)
JP (1) JPS588478B2 (sv)
DE (1) DE2628644C3 (sv)
GB (1) GB1516006A (sv)
SE (1) SE407476B (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107677197A (zh) * 2017-09-19 2018-02-09 贵州电网有限责任公司 一种地下目标体的体积测量装置及测量方法

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US4135184A (en) * 1977-08-31 1979-01-16 Knogo Corporation Electronic theft detection system for monitoring wide passageways
US4471343A (en) * 1977-12-27 1984-09-11 Lemelson Jerome H Electronic detection systems and methods
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JPH0683083B2 (ja) * 1983-11-29 1994-10-19 日産自動車株式会社 車両用無線送信装置
US4642613A (en) * 1984-03-16 1987-02-10 Knogo Corporation Electronic theft detection apparatus with responder elements on protected articles
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DE3448564C2 (de) * 1984-10-05 1997-04-24 Truetzschler Gmbh & Co Kg Vorrichtung zum Ermitteln von Fremdkörpern, wie Metallteilen o. dgl. für Textilfaserballen
US4751516A (en) * 1985-01-10 1988-06-14 Lichtblau G J Antenna system for magnetic and resonant circuit detection
SE451166C (sv) * 1986-01-21 1990-12-10 Intermodulation & Safety Syst Mottagaranordning foer att detektera naervaro av en indikeringsanordning i en begraensad undersoekningszon
US5103234A (en) * 1987-08-28 1992-04-07 Sensormatic Electronics Corporation Electronic article surveillance system
FR2623914A1 (fr) * 1987-11-26 1989-06-02 Ribiere Guy Dispositif electronique de detection d'un marqueur de produits, a la sortie d'un magasin
US4963880A (en) * 1988-05-03 1990-10-16 Identitech Coplanar single-coil dual function transmit and receive antenna for proximate surveillance system
US5012236A (en) * 1989-05-26 1991-04-30 Trovan Limited Electromagnetic energy transmission and detection apparatus
US5142292A (en) * 1991-08-05 1992-08-25 Checkpoint Systems, Inc. Coplanar multiple loop antenna for electronic article surveillance systems
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GB9305085D0 (en) * 1993-03-12 1993-04-28 Esselte Meto Int Gmbh Electronic article surveillance system with enhanced geometric arrangement
EP0634807B1 (de) * 1993-07-13 1998-08-12 Actron Entwicklungs AG Antennenvorrichtung
JP3526928B2 (ja) * 1994-11-15 2004-05-17 株式会社ルネサスＬｓｉデザイン 非接触ｉｃカードシステム
DE19503896A1 (de) * 1995-02-07 1996-08-08 Esselte Meto Int Gmbh Einrichtung zur Detektierung eines mit einem elektronischen Sicherungselement versehenen Artikels
US5653192A (en) * 1996-03-06 1997-08-05 Alfa Laval Agri Inc. Livestock identification apparatus
EP0892969A4 (en) * 1996-04-10 2000-12-06 Sentry Technology Corp ELECTRONIC GOODS MONITORING SYSTEM
US5877728A (en) * 1997-05-28 1999-03-02 Checkpoint Systems, Inc. Multiple loop antenna
DE19858714A1 (de) * 1998-12-18 2000-06-21 Ebinger Klaus Ing Fa Torsonde
JP2002534878A (ja) * 1998-12-30 2002-10-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ３送信コイル構成のトランスポンダ通信ステーション
EP1152805A1 (en) * 1999-02-09 2001-11-14 Integrated Design Limited Position sensing
FR2828016B1 (fr) * 2001-07-30 2005-03-25 Pygmalyon Antennes du genre boucle
FR2838523B1 (fr) * 2002-04-16 2006-06-23 Siminor Technologies Castres S Procede d'interpretation d'un ordre radio-electronique en fonction de sa zone d'emission
US6836216B2 (en) * 2002-05-09 2004-12-28 Electronic Article Surveillance Technologies, Ltd. Electronic article surveillance system
US7420463B2 (en) * 2003-01-14 2008-09-02 Sensormatic Electronics Corporation Wide exit electronic article surveillance antenna system
US7088248B2 (en) * 2004-03-24 2006-08-08 Avery Dennison Corporation System and method for selectively reading RFID devices
FR2879831B1 (fr) * 2004-12-21 2008-07-11 Tagsys Sa Agencement d'antennes
US7304609B2 (en) * 2005-03-25 2007-12-04 Harris Corporation Hybrid wireless ranging system and associated methods
JP2006268695A (ja) * 2005-03-25 2006-10-05 Toshiba Tec Corp 無線タグ通信制御装置
US7528726B2 (en) * 2006-05-26 2009-05-05 Yeon Technologies Co., Ltd. RFID portal array antenna system
JP4452286B2 (ja) * 2007-03-05 2010-04-21 株式会社日立製作所 タグ検知システム、移動物体検知方法、及び入退場管理システム
US7825867B2 (en) * 2007-04-26 2010-11-02 Round Rock Research, Llc Methods and systems of changing antenna polarization
US8933790B2 (en) * 2007-06-08 2015-01-13 Checkpoint Systems, Inc. Phase coupler for rotating fields
EP2153491A2 (en) * 2007-06-08 2010-02-17 Checkpoint Systems, Inc. Dynamic eas detection system and method
US7936268B2 (en) * 2007-08-31 2011-05-03 Round Rock Research, Llc Selectively coupling to feed points of an antenna system
EP2081191A1 (en) 2008-01-21 2009-07-22 Tecnicas Pantra S.L. Non symmetric devices with alarms for compact discs and similar articles
US8115637B2 (en) 2008-06-03 2012-02-14 Micron Technology, Inc. Systems and methods to selectively connect antennas to receive and backscatter radio frequency signals
EA201200024A1 (ru) * 2009-06-15 2012-08-30 Сайег Адель Оде Электронная система защиты товаров от краж
CN111339791B (zh) * 2018-12-18 2021-05-25 北京京东乾石科技有限公司 商品识别方法和通道、控制装置、商品结算通道
WO2021054876A1 (en) * 2019-09-19 2021-03-25 Husqvarna Ab Wireless identification tags and corresponding readers

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US1740370A (en) * 1924-11-25 1929-12-17 Gen Electric Directive radio transmitting system
US1863741A (en) * 1926-11-04 1932-06-21 Csf Directional antenna system
US1725915A (en) * 1927-05-02 1929-08-27 Rca Corp Radiation prevention
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US3617890A (en) * 1967-01-12 1971-11-02 Sumitomo Electric Industries Induction radio system for vehicles
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US3493955A (en) * 1968-04-17 1970-02-03 Monere Corp Method and apparatus for detecting the unauthorized movement of articles
US3673334A (en) * 1971-03-19 1972-06-27 Educational Service Programs I Antenna for use with an audio induction communication system
US3838409A (en) * 1973-04-13 1974-09-24 Knogo Corp Field strength uniformity control system for article theft detection system
NL161904C (nl) * 1973-04-13 Knogo Corp Diefstal-detectiestelsel.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107677197A (zh) * 2017-09-19 2018-02-09 贵州电网有限责任公司 一种地下目标体的体积测量装置及测量方法

Also Published As

Publication number Publication date
DE2628644C3 (de) 1979-06-07
GB1516006A (en) 1978-06-28
JPS588478B2 (ja) 1983-02-16
DE2628644A1 (de) 1977-02-24
DE2628644B2 (de) 1978-08-10
JPS526572A (en) 1977-01-19
US4016553A (en) 1977-04-05
SE7607320L (sv) 1976-12-28

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