DE69326817D1 - Warenüberwachungssystem mit sich abwechselnd schaltendem Ein/Aus-Sender - Google Patents

Warenüberwachungssystem mit sich abwechselnd schaltendem Ein/Aus-Sender

Info

Publication number
DE69326817D1
DE69326817D1 DE69326817T DE69326817T DE69326817D1 DE 69326817 D1 DE69326817 D1 DE 69326817D1 DE 69326817 T DE69326817 T DE 69326817T DE 69326817 T DE69326817 T DE 69326817T DE 69326817 D1 DE69326817 D1 DE 69326817D1
Authority
DE
Germany
Prior art keywords
alternating
transmitter
monitoring system
goods monitoring
goods
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.)
Expired - Fee Related
Application number
DE69326817T
Other languages
English (en)
Other versions
DE69326817T2 (de
Inventor
Frank Drucker
Sylvie R Morin
Harry E Watkins
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.)
Sensormatic Electronics Corp
Original Assignee
Sensormatic Electronics 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 Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Application granted granted Critical
Publication of DE69326817D1 publication Critical patent/DE69326817D1/de
Publication of DE69326817T2 publication Critical patent/DE69326817T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G08B13/2465—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
    • 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
DE69326817T 1992-10-28 1993-08-02 Warenüberwachungssystem mit sich abwechselnd schaltendem Ein/Aus-Sender Expired - Fee Related DE69326817T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/967,846 US5404147A (en) 1992-10-28 1992-10-28 EAS system loop antenna having three loops of different area

Publications (2)

Publication Number Publication Date
DE69326817D1 true DE69326817D1 (de) 1999-11-25
DE69326817T2 DE69326817T2 (de) 2000-05-25

Family

ID=25513417

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69326817T Expired - Fee Related DE69326817T2 (de) 1992-10-28 1993-08-02 Warenüberwachungssystem mit sich abwechselnd schaltendem Ein/Aus-Sender
DE69330316T Expired - Fee Related DE69330316T2 (de) 1992-10-28 1993-08-02 Antenne zur Verwendung mit einem Warenüberwachungssystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69330316T Expired - Fee Related DE69330316T2 (de) 1992-10-28 1993-08-02 Antenne zur Verwendung mit einem Warenüberwachungssystem

Country Status (6)

Country Link
US (2) US5404147A (de)
EP (2) EP0598988B1 (de)
JP (1) JP3405566B2 (de)
BR (1) BR9303656A (de)
CA (1) CA2098898C (de)
DE (2) DE69326817T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9202831D0 (en) 1992-02-11 1992-03-25 Shanning Laser Systems Ltd Security tag
JPH08255290A (ja) * 1995-03-16 1996-10-01 Alps Electric Co Ltd 盗難監視装置
DE69636999T2 (de) * 1995-05-30 2007-12-13 Sensormatic Electronics Corp., Boca Raton Antennenanordnung für warenüberwachungssystem mit verbesserter abfragefeldverteilung
US5729199A (en) * 1996-06-06 1998-03-17 Consolidated Graphic Materials, Inc. Security system for a metallic enclosure
CA2179331C (en) * 1996-06-18 1997-12-19 James Stanley Podger Expanded quadruple-delta antenna structure
US5905435A (en) * 1997-02-18 1999-05-18 Sensormatic Electronics Corporation Apparatus for deactivating magnetomechanical EAS markers affixed to magnetic recording medium products
US5745039A (en) * 1997-02-21 1998-04-28 Minnesota Mining And Manufacturing Company Remote sterilization monitor
US6304181B1 (en) * 1998-10-20 2001-10-16 Sanyo Electronics Co., Ltd Antitheft system and monitoring system
JP3996293B2 (ja) * 1999-03-01 2007-10-24 高千穂交易株式会社 物品監視装置及び物品監視システム
DE19947695A1 (de) * 1999-10-04 2001-04-05 Meto International Gmbh Verfahren zum Aktivieren grosser Mengen von Sicherungselementen für die elektronische Artikelsicherung, Grossaktivator zum Aktivieren dieser Sicherungselemente sowie mit dem Verfahren oder dem Grossaktivator aktivierte Sicherungselemente
US6696954B2 (en) * 2000-10-16 2004-02-24 Amerasia International Technology, Inc. Antenna array for smart RFID tags
WO2002035432A1 (en) 2000-10-20 2002-05-02 Promega Corporation Radio frequency identification method and system of distributing products
US20020183882A1 (en) 2000-10-20 2002-12-05 Michael Dearing RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags
USRE47599E1 (en) 2000-10-20 2019-09-10 Promega Corporation RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags
US6703935B1 (en) * 2001-05-14 2004-03-09 Amerasia International Technology, Inc. Antenna arrangement for RFID smart tags
CA2347596C (en) * 2001-05-17 2004-01-27 James Stanley Podger The double-lemniscate antenna element
US6504513B1 (en) * 2001-08-03 2003-01-07 Sensormatic Electronics Corporation Electronic article surveillance antenna coils with variable wind geometry
US7978078B2 (en) * 2001-12-21 2011-07-12 Sensormatic Electronics, LLC Magnetic core transceiver for electronic article surveillance marker detection
US6836216B2 (en) * 2002-05-09 2004-12-28 Electronic Article Surveillance Technologies, Ltd. Electronic article surveillance system
US6861993B2 (en) 2002-11-25 2005-03-01 3M Innovative Properties Company Multi-loop antenna for radio-frequency identification
ZA200507878B (en) * 2003-03-20 2006-12-27 Powers International Inc Systems, methods and computer program products for monitoring transport containers
US7417599B2 (en) 2004-02-20 2008-08-26 3M Innovative Properties Company Multi-loop antenna for radio frequency identification (RFID) communication
US7421245B2 (en) 2004-02-20 2008-09-02 3M Innovative Properties Company Field-shaping shielding for radio frequency identification (RFID) system
US7268687B2 (en) 2004-03-23 2007-09-11 3M Innovative Properties Company Radio frequency identification tags with compensating elements
US7132946B2 (en) 2004-04-08 2006-11-07 3M Innovative Properties Company Variable frequency radio frequency identification (RFID) tags
WO2007030004A1 (en) * 2005-09-09 2007-03-15 Stichting Astron System and method for detecting objects, and magnetic field generator for use in such a system or method
US7710275B2 (en) 2007-03-16 2010-05-04 Promega Corporation RFID reader enclosure and man-o-war RFID reader system
KR20110104733A (ko) * 2010-03-17 2011-09-23 엘에스산전 주식회사 게이트 시스템
EP2909820B1 (de) * 2012-10-18 2016-11-23 Tyco Fire & Security GmbH Verfahren zur rückfeldreduzierung in systemen zur elektronischen artikelüberwachung
US9508238B2 (en) * 2013-03-15 2016-11-29 Checkpoint Systems, Inc. Electronic article surveillance portal

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135183A (en) * 1977-05-24 1979-01-16 Minnesota Mining And Manufacturing Company Antipilferage system utilizing "figure-8" shaped field producing and detector coils
NL7708012A (nl) * 1977-07-19 1979-01-23 Nedap Nv Detectiestelsel.
US4243980A (en) * 1978-02-17 1981-01-06 Lichtblau G J Antenna system for electronic security installations
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
US4274090A (en) * 1980-02-19 1981-06-16 Knogo Corporation Detection of articles in adjacent passageways
US4373163A (en) * 1980-07-14 1983-02-08 I.D. Engineering, Inc. Loop antenna for security systems
US4751516A (en) * 1985-01-10 1988-06-14 Lichtblau G J Antenna system for magnetic and resonant circuit detection
GB2181326B (en) * 1985-09-30 1989-09-20 Sensormatic Electronics Corp Electronic surveillance using self-powered article attached tags
US4686513A (en) * 1985-09-30 1987-08-11 Sensormatic Electronics Corporation Electronic surveillance using self-powered article attached tags
SE451166C (sv) * 1986-01-21 1990-11-01 Intermodulation & Safety Syst Mottagaranordning foer att detektera naervaro av en indikeringsanordning i en begraensad undersoekningszon
US5061941A (en) * 1990-02-01 1991-10-29 Checkpoint Systems, Inc. Composite antenna for electronic article surveillance systems

Also Published As

Publication number Publication date
DE69330316D1 (de) 2001-07-12
EP0598988A1 (de) 1994-06-01
CA2098898C (en) 1998-10-27
EP0598988B1 (de) 1999-10-20
DE69326817T2 (de) 2000-05-25
DE69330316T2 (de) 2001-09-27
JP3405566B2 (ja) 2003-05-12
EP0829921B1 (de) 2001-06-06
US5327118A (en) 1994-07-05
EP0829921A2 (de) 1998-03-18
EP0829921A3 (de) 1998-05-27
CA2098898A1 (en) 1994-04-29
BR9303656A (pt) 1994-05-23
US5404147A (en) 1995-04-04
JPH06215277A (ja) 1994-08-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee