DK320584A - Elektromagnetisk anlaeg til detektering af maerker i en spoergezone - Google Patents

Elektromagnetisk anlaeg til detektering af maerker i en spoergezone Download PDF

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Publication number
DK320584A
DK320584A DK320584A DK320584A DK320584A DK 320584 A DK320584 A DK 320584A DK 320584 A DK320584 A DK 320584A DK 320584 A DK320584 A DK 320584A DK 320584 A DK320584 A DK 320584A
Authority
DK
Denmark
Prior art keywords
labels
detection
electromagnetic device
question area
question
Prior art date
Application number
DK320584A
Other languages
English (en)
Other versions
DK162910C (da
DK320584D0 (da
DK162910B (da
Inventor
Pierre Felix Buchens
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 DK320584D0 publication Critical patent/DK320584D0/da
Publication of DK320584A publication Critical patent/DK320584A/da
Publication of DK162910B publication Critical patent/DK162910B/da
Application granted granted Critical
Publication of DK162910C publication Critical patent/DK162910C/da

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
    • 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
    • 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
    • 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
    • G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver

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)
DK320584A 1983-06-30 1984-06-29 Elektromagnetisk tyverisikringsanlaeg til detektering af maerker i en spoergezone DK162910C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/509,292 US4623877A (en) 1983-06-30 1983-06-30 Method and apparatus for detection of targets in an interrogation zone
US50929283 1983-06-30

Publications (4)

Publication Number Publication Date
DK320584D0 DK320584D0 (da) 1984-06-29
DK320584A true DK320584A (da) 1984-12-31
DK162910B DK162910B (da) 1991-12-23
DK162910C DK162910C (da) 1992-07-06

Family

ID=24026041

Family Applications (1)

Application Number Title Priority Date Filing Date
DK320584A DK162910C (da) 1983-06-30 1984-06-29 Elektromagnetisk tyverisikringsanlaeg til detektering af maerker i en spoergezone

Country Status (9)

Country Link
US (1) US4623877A (da)
EP (1) EP0130286B1 (da)
JP (1) JPS6027096A (da)
AU (1) AU560772B2 (da)
BR (1) BR8402596A (da)
CA (1) CA1229141A (da)
DE (1) DE3482803D1 (da)
DK (1) DK162910C (da)
ZA (1) ZA842332B (da)

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GB2247381B (en) * 1987-08-28 1992-08-05 Sensormatic Electronics Corp An electronic article surveillance system
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US4870391A (en) * 1988-04-05 1989-09-26 Knogo Corporation Multiple frequency theft detection system
GB8808933D0 (en) * 1988-04-15 1988-05-18 Scient Generics Ltd Antipilferage system
US5121103A (en) * 1988-07-29 1992-06-09 Knogo Corporation Load isolated article surveillance system and antenna assembly
US4912414A (en) * 1988-10-28 1990-03-27 Lesky Edward S Induction-type metal detector with increased scanning area capability
US4973287A (en) * 1989-06-21 1990-11-27 Martin Cynthia L Simulative check out station
GB9004431D0 (en) * 1990-02-28 1990-04-25 Scient Generics Ltd Detection system for security systems
US5146204A (en) * 1990-03-13 1992-09-08 Knogo Corporation Theft detection apparatus and flattened wire target and method of making same
US5029291A (en) 1990-04-10 1991-07-02 Knogo Corporation Electromagnetic sensor element and methods and apparatus for making and using same
NL9001033A (nl) * 1990-05-01 1991-12-02 Nedap Nv Winkeldiefstaldetectiesysteem met gedeeltelijk afgeschermde antennes.
US5051726A (en) * 1990-08-14 1991-09-24 Sensormatic Electronics Corporation Electronic article surveillance system with antenna array for enhanced field falloff
US5126720A (en) * 1991-01-17 1992-06-30 Knogo Corporation Method and apparatus for deactivating magnetic targets
ATE313134T1 (de) * 1991-04-03 2005-12-15 Tagsys Sa Artikelsortiersystem
US5239167A (en) * 1991-04-30 1993-08-24 Ludwig Kipp Checkout system
US5225807A (en) * 1991-09-16 1993-07-06 Knogo Corporation Method and apparatus for sensitizing and desensitizing targets for electronic article surveillance systems
US5337040A (en) * 1991-10-31 1994-08-09 Actron Entwicklungs Ag Detection apparatus for shoplifting-preventing labels
US5304983A (en) * 1991-12-04 1994-04-19 Knogo Corporation Multiple pulse responder and detection system and method of making and using same
EP0561062A1 (en) * 1992-03-17 1993-09-22 Moisei Samuel Granovsky Method and electromagnetic security system for detection of protected objects in a surveillance zone
US5264829A (en) * 1992-06-15 1993-11-23 Knogo Corporation Method and apparatus for theft detection using digital signal processing
US5410296A (en) * 1992-10-06 1995-04-25 Minnesota Mining And Manufacturing Company Magnetic tag deactivator for pre-existing check-out counters
US5376923A (en) * 1992-12-14 1994-12-27 Minnesota Mining And Manufacturing Company On the counter deactivator
US5440296A (en) * 1993-04-29 1995-08-08 Minnesota Mining And Manufacturing Company Coil assembly for electronic article surveillance system
WO1995012870A1 (en) * 1993-11-04 1995-05-11 Knogo Corporation Method and apparatus for automatically desensitizing sensor elements
WO1995018430A1 (en) * 1993-12-30 1995-07-06 Sensormatic Electronics Corporation Article detection in a limited interrogation zone
DE19503896A1 (de) * 1995-02-07 1996-08-08 Esselte Meto Int Gmbh Einrichtung zur Detektierung eines mit einem elektronischen Sicherungselement versehenen Artikels
KR0163822B1 (ko) * 1995-05-17 1999-03-20 김은영 도난 방지기용 자기 센서 및 시스템
US5847650A (en) * 1996-10-04 1998-12-08 Knogo North America Inc. Theft resistant circuit assembly
FR2746956B1 (fr) * 1996-03-29 1998-05-07 Soplaril Sa Procede de mise en place d'au moins un fil ou une bande, generalement metallique, sur une feuille mince, machine pour la mise en oeuvre du procede, feuille comportant au moins un fil ou une bande, et bobine de cette feuille
US5716460A (en) * 1996-05-08 1998-02-10 The Arnold Engineering Company Methods for making magnetic strips
US6446049B1 (en) 1996-10-25 2002-09-03 Pole/Zero Corporation Method and apparatus for transmitting a digital information signal and vending system incorporating same
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
DE19726986A1 (de) * 1997-06-25 1999-01-07 Meto International Gmbh Vorrichtung zur Überwachung von elektronischen gesicherten Artikeln in einer Überwachungszone
US5973606A (en) * 1997-12-08 1999-10-26 Sensormatic Electronics Corporation Activation/deactivation system and method for electronic article surveillance markers for use on a conveyor
US6057763A (en) * 1998-04-10 2000-05-02 3M Innovative Properties Company Method and apparatus for activating and deactivating electromagnetic article surveillance markers
US5959531A (en) * 1998-07-24 1999-09-28 Checkpoint Systems, Inc. Optical interface between receiver and tag response signal analyzer in RFID system for detecting low power resonant tags
AU753617B2 (en) * 1998-07-24 2002-10-24 Checkpoint Systems, Inc. Rfid system for detecting low power resonant tags
US5955950A (en) * 1998-07-24 1999-09-21 Checkpoint Systems, Inc. Low noise signal generator for use with an RFID system
US6486768B1 (en) * 1998-09-16 2002-11-26 Carttronics, Llc Cart return loyalty credit system
US6169481B1 (en) * 1999-04-12 2001-01-02 Rockwell Technologies, Llc Low cost material suitable for remote sensing
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FR2809279B1 (fr) * 2000-05-18 2003-05-23 Lionel Prat Habillage pour une antenne d'appareil de detection d'objets, et appareil de detection comportant une antenne equipee d'un tel habillage
US7168525B1 (en) 2000-10-30 2007-01-30 Fujitsu Transaction Solutions, Inc. Self-checkout method and apparatus including graphic interface for non-bar coded items
US7845554B2 (en) * 2000-10-30 2010-12-07 Fujitsu Frontech North America, Inc. Self-checkout method and apparatus
DE60232652D1 (de) * 2001-05-04 2009-07-30 Nxp Bv Kommunikationsgerät mit spulenkonfiguration zur kommunikation mit stationären datenträgern
FR2828016B1 (fr) * 2001-07-30 2005-03-25 Pygmalyon Antennes du genre boucle
US6937011B2 (en) * 2001-12-10 2005-08-30 Rockwell Automation Technologies, Inc. Detector for magnetizable material using amplitude and phase discrimination
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US8998218B1 (en) 2013-10-09 2015-04-07 Steven Salvatore Bitondo Shopping cart bottom shelf monitor
WO2017114109A1 (zh) * 2015-12-28 2017-07-06 深圳市澳亚迪电子设备有限公司 一种自平衡降噪金属探测双线圈

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Also Published As

Publication number Publication date
DK162910C (da) 1992-07-06
JPS6027096A (ja) 1985-02-12
JPH0340438B2 (da) 1991-06-18
DK320584D0 (da) 1984-06-29
US4623877A (en) 1986-11-18
DK162910B (da) 1991-12-23
CA1229141A (en) 1987-11-10
EP0130286B1 (en) 1990-07-25
BR8402596A (pt) 1985-04-23
AU560772B2 (en) 1987-04-16
ZA842332B (en) 1985-02-27
EP0130286A2 (en) 1985-01-09
DE3482803D1 (de) 1990-08-30
AU2631784A (en) 1985-02-07
EP0130286A3 (en) 1988-03-02

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