BE713027A - - Google Patents

Info

Publication number
BE713027A
BE713027A BE713027DA BE713027A BE 713027 A BE713027 A BE 713027A BE 713027D A BE713027D A BE 713027DA BE 713027 A BE713027 A BE 713027A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE713027A publication Critical patent/BE713027A/xx

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic 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
    • G08B13/2405Electronic 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
    • G08B13/2422Electronic 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 acoustic or microwave tags
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic 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
    • G08B13/2428Tag details
    • G08B13/2437Tag layered structure, processes for making layered tags
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic 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
    • G08B13/2428Tag details
    • G08B13/2437Tag layered structure, processes for making layered tags
    • G08B13/2442Tag materials and material properties thereof, e.g. magnetic material details
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic 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
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468Antenna in system and the related signal processing
    • G08B13/2471Antenna signal processing by receiver or emitter
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic 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
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468Antenna in system and the related signal processing
    • G08B13/2477Antenna or antenna activator circuit
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic 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
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2488Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S206/00Special receptacle or package
    • Y10S206/807Tamper proof

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)
  • Acoustics & Sound (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electronic Switches (AREA)
BE713027D 1967-03-30 1968-03-29 BE713027A (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63925067A 1967-03-30 1967-03-30

Publications (1)

Publication Number Publication Date
BE713027A true BE713027A (en]) 1968-09-30

Family

ID=24563333

Family Applications (1)

Application Number Title Priority Date Filing Date
BE713027D BE713027A (en]) 1967-03-30 1968-03-29

Country Status (18)

Country Link
US (1) US4063229A (en])
JP (1) JPS5230836B1 (en])
AT (1) AT311217B (en])
BE (1) BE713027A (en])
BR (1) BR6897870D0 (en])
CA (1) CA947398A (en])
CH (1) CH497009A (en])
DE (1) DE1766065C3 (en])
DK (1) DK126143C (en])
ES (1) ES352178A1 (en])
FR (1) FR1565745A (en])
GB (1) GB1227141A (en])
IE (1) IE32556B1 (en])
IL (1) IL29665A (en])
LU (1) LU55805A1 (en])
NL (1) NL159802B (en])
NO (1) NO126975B (en])
SE (1) SE343418B (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2015295A1 (de) * 1969-04-02 1970-10-15 Unisearch Ltd., Kensington, New South Wales (Australien) Elektronisches Überwachungssystem

Families Citing this family (129)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2161773B1 (en]) * 1971-11-29 1975-08-29 See International
AT340038B (de) * 1975-02-21 1977-11-25 Rodler Ing Hans Messanordnung zur ermittlung von biologischen messparametern
US4069472A (en) * 1975-12-25 1978-01-17 Tokyo Shibaura Electric Co., Ltd. Foreground subject-identifying apparatus
NL7708012A (nl) * 1977-07-19 1979-01-23 Nedap Nv Detectiestelsel.
GB2012524A (en) * 1977-12-09 1979-07-25 Lintech Instr Ltd Transponders
ZA7994B (en) * 1978-01-11 1980-01-30 Tag Radionics Ltd Presence sensing system
DE2820840C3 (de) * 1978-05-12 1982-01-21 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Absicherung von Gefahrenbereichen in Untertagebetrieben
DE2844242C2 (de) * 1978-10-11 1983-01-05 CAS Computer-Ausrüstungen und Supplies GmbH, 4000 Düsseldorf Überwachungssystem zur Sicherung von in einem Geschäft oder Kaufhaus ausliegenden Waren gegen Diebstahl
US4254868A (en) * 1979-02-05 1981-03-10 Sensormatic Electronics Corporation Enclosure for a security tag and extraction implement
US4299870A (en) * 1980-05-27 1981-11-10 Sensormatic Electronics Corporation Reusable theft deterrent security tag
CA1190970A (en) * 1980-10-09 1985-07-23 Harold B. Williams Dual frequency anti-theft system
US4471344A (en) * 1980-10-09 1984-09-11 Ici Americas Inc. Dual frequency anti-theft system
US4318090A (en) * 1980-10-27 1982-03-02 Sensormatic Electronics Corporation Apparatus for deactivating a surveillance tag
US4481428A (en) * 1981-05-19 1984-11-06 Security Tag Systems, Inc. Batteryless, portable, frequency divider useful as a transponder of electromagnetic radiation
US4413254A (en) * 1981-09-04 1983-11-01 Sensormatic Electronics Corporation Combined radio and magnetic energy responsive surveillance marker and system
DE3376703D1 (en) * 1982-04-12 1988-06-23 Ici America Inc Crossed beam high frequency anti-theft system
US4700179A (en) * 1982-04-12 1987-10-13 Ici Americas Inc. Crossed beam high frequency anti-theft system
US4574274A (en) * 1982-08-09 1986-03-04 Sensormatic Electronics Corporation Non-contact electrostatic deactivator
DE3234601A1 (de) * 1982-09-17 1984-03-22 Siemens AG, 1000 Berlin und 8000 München Anordnung zur markierung von personen und objekten
US4642640A (en) * 1983-04-25 1987-02-10 Sensormatic Electronics Corporation Signal receptor-reradiator and surveillance tag using the same
DE3472019D1 (en) * 1983-08-01 1988-07-14 Ici America Inc Electronic article surveillance system
CA1236542A (en) * 1983-08-02 1988-05-10 Harold B. Williams Electronic article surveillance system having microstrip antennas
US4572369A (en) * 1984-04-09 1986-02-25 Handleman Company Theft resistant cassette holder
US4567983A (en) * 1984-04-09 1986-02-04 Handleman Company Theft resistant cassette holder
AT405697B (de) * 1984-04-23 1999-10-25 Lichtblau G J Deaktivierbarer resonanzschaltkreis
US4583083A (en) * 1984-06-28 1986-04-15 Bogasky John J Checkout station to reduce retail theft
US4745401A (en) * 1985-09-09 1988-05-17 Minnesota Mining And Manufacturing Company RF reactivatable marker for electronic article surveillance system
DE3604307C2 (de) * 1986-02-12 1995-04-06 Baumer Electric Ag Verfahren zur Sicherung von Gegenständen gegen Entnahme durch unbefugte Personen
US4783646A (en) * 1986-03-07 1988-11-08 Kabushiki Kaisha Toshiba Stolen article detection tag sheet, and method for manufacturing the same
US4746830A (en) * 1986-03-14 1988-05-24 Holland William R Electronic surveillance and identification
US4736196A (en) * 1986-11-18 1988-04-05 Cost-Effective Monitoring Systems, Co. Electronic monitoring system
FR2609813B1 (fr) * 1987-01-19 1989-03-03 Midi Robois Procede et systeme d'identification et/ou de localisation, et balise pour la mise en oeuvre dudit procede
SE456953B (sv) * 1987-02-20 1988-11-14 Aros Avancerad Butikskontroll Foerfaringssaett foer anbringande av stoeldskydd paa varor, varvid faerg innehaallande magnetiserbara partiklar anbringas paa varorna
US4853692A (en) * 1987-12-07 1989-08-01 Wolk Barry M Infant security system
US5695860A (en) * 1990-08-06 1997-12-09 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
US5447779A (en) * 1990-08-06 1995-09-05 Tokai Electronics Co., Ltd. Resonant tag and method of manufacturing the same
US5059950A (en) * 1990-09-04 1991-10-22 Monarch Marking Systems, Inc. Deactivatable electronic article surveillance tags, tag webs and method of making tag webs
US5257009A (en) * 1991-08-26 1993-10-26 Sensormatic Electronics Corporation Reradiating EAS tag with voltage dependent capacitance to provide tag activation and deactivation
USD346340S (en) 1991-12-09 1994-04-26 Cayton John K Combined surveillance system and finger print unit for aiding in the identification of suspects in vehicles
US5206626A (en) * 1991-12-24 1993-04-27 Knogo Corporation Stabilized article surveillance responder
US5218342A (en) * 1992-04-06 1993-06-08 Mccrackin Richard J Method for the production of novel secure magnetic tapes
US5280286A (en) * 1992-06-12 1994-01-18 Smart Tag Systems, Inc. Surveillance and identification system antennas
US5241923A (en) * 1992-07-23 1993-09-07 Pole/Zero Corporation Transponder control of animal whereabouts
US5349332A (en) * 1992-10-13 1994-09-20 Sensormatic Electronics Corportion EAS system with requency hopping
US5285194A (en) * 1992-11-16 1994-02-08 Sensormatic Electronics Corporation Electronic article surveillance system with transition zone tag monitoring
NL9301299A (nl) * 1993-07-23 1995-02-16 Nedap Nv Ruisvermindering in identificatiesystemen.
NL9302171A (nl) * 1993-12-13 1995-07-03 Dutch A & A Trading Bv Transponder voor een detectiesysteem.
US5541574A (en) * 1993-12-22 1996-07-30 Palomar Technologies Corporation Transponder system for communicating with a vehicle tire
US5608379A (en) * 1994-05-20 1997-03-04 Sensormatic Electronics Corporation Deactivatable EAS tag
JPH0872898A (ja) 1994-08-31 1996-03-19 Sensormatic Electronics Corp 電子式物品監視タッグ
US5517195A (en) * 1994-09-14 1996-05-14 Sensormatic Electronics Corporation Dual frequency EAS tag with deactivation coil
US5528223A (en) * 1994-09-27 1996-06-18 Sensormatic Electronics Corporation Video game cartridge including a security device and method of deterring theft of same
US5499015A (en) * 1994-09-28 1996-03-12 Sensormatic Electronics Corp. Magnetomechanical EAS components integrated with a retail product or product packaging
US5714935A (en) * 1995-02-03 1998-02-03 Sensormatic Electronics Corporation Article of merchandise with concealed EAS marker and EAS warning logo
US5844485A (en) * 1995-02-03 1998-12-01 Sensormatic Electronics Corporation Article of merchandise with EAS and associated indicia
US5541577A (en) * 1995-05-26 1996-07-30 Consolidated Graphic Materials, Inc. Electromagnetic asset protection system
US5946404A (en) * 1995-06-01 1999-08-31 Silent Witness Enterprises Ltd. Audio/video surveillance and recording system
AU705213B2 (en) * 1995-06-06 1999-05-20 Terion, Inc. Determining propagating and clear frequency in wireless data communications network
US5765112A (en) * 1995-06-06 1998-06-09 Flash Comm. Inc. Low cost wide area network for data communication using outbound message specifying inbound message time and frequency
US5589844A (en) * 1995-06-06 1996-12-31 Flash Comm, Inc. Automatic antenna tuner for low-cost mobile radio
US5734963A (en) * 1995-06-06 1998-03-31 Flash Comm, Inc. Remote initiated messaging apparatus and method in a two way wireless data communications network
US5721783A (en) * 1995-06-07 1998-02-24 Anderson; James C. Hearing aid with wireless remote processor
US7511621B1 (en) 1995-08-31 2009-03-31 Intermec Ip Corp. High-performance mobile power antennas
US5908135A (en) * 1995-11-21 1999-06-01 Bradford Company Sleeve pack
US5593025A (en) * 1995-12-15 1997-01-14 Display Technologies, Inc. Foldable jewelry card
US6266592B1 (en) 1996-10-11 2001-07-24 Trw Inc. Apparatus and method for sensing a rearward facing child seat using beat frequency detection
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
US6064308A (en) * 1996-10-25 2000-05-16 Pole/Zero Corporation RF signaling system and system for controlling the whereabouts of animals using same
US6025725A (en) * 1996-12-05 2000-02-15 Massachusetts Institute Of Technology Electrically active resonant structures for wireless monitoring and control
US5844482A (en) * 1997-05-20 1998-12-01 Guthrie; Warren E. Tagging system using motion detector
US5942977A (en) * 1997-08-13 1999-08-24 Ludwig Kipp Radio transponder
US5990791A (en) * 1997-10-22 1999-11-23 William B. Spargur Anti-theft detection system
US6166643A (en) * 1997-10-23 2000-12-26 Janning; Joseph J. Method and apparatus for controlling the whereabouts of an animal
US6154137A (en) * 1998-06-08 2000-11-28 3M Innovative Properties Company Identification tag with enhanced security
WO2000005674A2 (en) * 1998-07-24 2000-02-03 Intermec Ip Corp. Communicating with radio frequency identification tags within shaped electromagnetic fields
AU762495B2 (en) 1998-08-14 2003-06-26 3M Innovative Properties Company Application for a radio frequency identification system
DE69938671D1 (de) 1998-08-14 2008-06-19 3M Innovative Properties Co ANWENDUNGEN FüR RF-IDENTIFIZIERUNGSSYSTEME
US6424262B2 (en) 1998-08-14 2002-07-23 3M Innovative Properties Company Applications for radio frequency identification systems
DE69942322D1 (de) 1998-08-14 2010-06-10 3M Innovative Properties Co RFID-Leser
US6057765A (en) * 1998-10-07 2000-05-02 Research Electronics International Non-linear junction detector
GB2345823A (en) * 1998-11-16 2000-07-19 Kevin Smith Theft detection apparatus
US6501390B1 (en) 1999-01-11 2002-12-31 International Business Machines Corporation Method and apparatus for securely determining aspects of the history of a good
EP1047011A3 (en) * 1999-04-21 2002-07-24 Supersensor (Proprietary) Limited Electronic RF identification systems
US6163259A (en) * 1999-06-04 2000-12-19 Research Electronics International Pulse transmitting non-linear junction detector
GB2381077B (en) * 1999-06-04 2003-10-01 Res Electronics Internat Pulse transmitting non-linear junction detector
US6564999B1 (en) 1999-09-09 2003-05-20 Shurflo Pump Manufacturing Company, Inc. Food containers with transponders
GB9927372D0 (en) * 1999-11-20 2000-01-19 Ncr Int Inc Self-service terminal
US6275156B1 (en) * 2000-02-07 2001-08-14 Westvaco Corporation EAS ready paperboard
JP3557990B2 (ja) * 2000-03-09 2004-08-25 ソニーケミカル株式会社 情報記録タグ
US7113095B2 (en) * 2000-05-22 2006-09-26 Avery Dennison Corp. Trackable files and systems for using the same
US6975834B1 (en) * 2000-10-03 2005-12-13 Mineral Lassen Llc Multi-band wireless communication device and method
EP1342218A1 (en) 2000-12-15 2003-09-10 Eastern Ribbon and Roll Corp. Paper roll anti-theft protection
AUPR850501A0 (en) * 2001-10-29 2001-11-29 Tagsys Australia Pty. Ltd. Electronic label interrogation through incidental electromagnetic radiation
US7588185B2 (en) 2001-06-07 2009-09-15 3M Innovative Properties Company RFID data collection and use
US7389918B2 (en) * 2001-10-23 2008-06-24 Ncr Corporation Automatic electronic article surveillance for self-checkout
US6681989B2 (en) * 2002-01-15 2004-01-27 International Business Machines Corporation Inventory control and point-of-sale system and method
US6752837B2 (en) 2002-06-28 2004-06-22 Hewlett-Packard Development Company, L.P. Security tags with a reversible optical indicator
US6927692B1 (en) 2002-09-05 2005-08-09 American Greetings Corporation RF inventory system
US6667092B1 (en) 2002-09-26 2003-12-23 International Paper Company RFID enabled corrugated structures
US20040070504A1 (en) * 2002-10-14 2004-04-15 Brollier Brian W. Semi-covert RFID enabled containers
US20060058913A1 (en) * 2002-11-26 2006-03-16 Andersen Scott P Inventory tracking
US7151979B2 (en) 2002-11-26 2006-12-19 International Paper Company System and method for tracking inventory
US20050012597A1 (en) * 2003-07-02 2005-01-20 Anderson Peter Traneus Wireless electromagnetic tracking system using a nonlinear passive transponder
US7152804B1 (en) 2004-03-15 2006-12-26 Kovlo, Inc. MOS electronic article surveillance, RF and/or RF identification tag/device, and methods for making and using the same
US7034687B2 (en) * 2004-04-29 2006-04-25 Comm-Engines Error-avoiding anti-theft surveillance system
DE102004030229A1 (de) * 2004-06-23 2006-01-19 Infineon Technologies Ag Funkabfragbarer Datenträger
US7286053B1 (en) 2004-07-31 2007-10-23 Kovio, Inc. Electronic article surveillance (EAS) tag/device with coplanar and/or multiple coil circuits, an EAS tag/device with two or more memory bits, and methods for tuning the resonant frequency of an RLC EAS tag/device
US7145453B2 (en) * 2004-09-02 2006-12-05 The Dow Chemical Company Harmonic wireless transponder sensor and method
JP4919645B2 (ja) * 2005-10-04 2012-04-18 株式会社ソニー・コンピュータエンタテインメント 電子回路
US7808226B1 (en) 2005-10-26 2010-10-05 Research Electronics International Line tracing method and apparatus utilizing non-linear junction detecting locator probe
US7212008B1 (en) 2005-11-03 2007-05-01 Barsumian Bruce R Surveillance device detection utilizing non linear junction detection and reflectometry
US20070187496A1 (en) * 2006-02-10 2007-08-16 Andersen Scott P Inventory tracking system and method
US8933790B2 (en) * 2007-06-08 2015-01-13 Checkpoint Systems, Inc. Phase coupler for rotating fields
CN101689704A (zh) * 2007-06-08 2010-03-31 检查站系统股份有限公司 动态eas检测系统和方法
US8400281B2 (en) * 2007-11-14 2013-03-19 Kaonetics Technologies, Inc. Wireless identification system using a directed-energy device as a tag reader
US20100097219A1 (en) * 2008-10-16 2010-04-22 Sidnei Dal Gallo Article with theft-deterring feature
TWI475581B (zh) * 2008-11-25 2015-03-01 Thin Film Electronics Asa 電容器、形成電容器的方法、具有電容器的裝置及製造與使用該等裝置的方法
WO2011035302A1 (en) 2009-09-21 2011-03-24 Checkpoint Systems, Inc. Retail product tracking system, method, and apparatus
US8508367B2 (en) 2009-09-21 2013-08-13 Checkpoint Systems, Inc. Configurable monitoring device
US8378826B2 (en) * 2009-10-02 2013-02-19 Checkpoint Systems, Inc. Key device for monitoring systems
FI20105330A0 (fi) * 2010-03-31 2010-03-31 Valtion Teknillinen Epälineaarinen resonoiva anturi ja menetelmä
DE102010022967A1 (de) * 2010-06-08 2011-12-08 Johannes Giesser Messerfabrik Gmbh System und Verfahren zur Überwachung von Werkzeugen
EP2423847B1 (en) * 2010-08-27 2013-03-27 Psion Inc. System and method for multiple reading interface with a simple RFID antenna
US20120126825A1 (en) * 2010-11-22 2012-05-24 Boris Leonid Sheikman Sensor assembly and methods of measuring the proximity of a component to an emitter
US9645234B2 (en) * 2012-07-12 2017-05-09 Cornell University RFID device, methods and applications
KR101963260B1 (ko) * 2012-12-21 2019-03-28 삼성전기주식회사 적층형 페라이트 시트, 이를 이용한 안테나 장치 및 그 제조 방법
US11341388B2 (en) 2019-03-05 2022-05-24 Board Of Trustees Of Michigan State University Wireless monitoring system
CN112687066A (zh) * 2020-12-21 2021-04-20 山东产研信息与人工智能融合研究院有限公司 一种用于棉花仓库的棉包防盗设备和方法

Family Cites Families (8)

* 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
US2774060A (en) * 1953-06-15 1956-12-11 Richard B Thompson Detecting means for stolen goods
US3098971A (en) * 1961-09-26 1963-07-23 Robert M Richardson Remotely actuated radio frequency powered devices
US3384892A (en) * 1966-11-07 1968-05-21 Philco Ford Corp Interrogator-responder signalling system
US3518546A (en) * 1966-12-12 1970-06-30 Microlab Fxr Harmonic communication and navigation system
US3754226A (en) * 1968-03-22 1973-08-21 Stoplifter Int Inc Conductive-ring ferromagnetic marker and method and system for using same
US3493955A (en) * 1968-04-17 1970-02-03 Monere Corp Method and apparatus for detecting the unauthorized movement of articles
US3711848A (en) * 1971-02-10 1973-01-16 I D Eng Inc Method of and apparatus for the detection of stolen articles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2015295A1 (de) * 1969-04-02 1970-10-15 Unisearch Ltd., Kensington, New South Wales (Australien) Elektronisches Überwachungssystem

Also Published As

Publication number Publication date
DE1766065B2 (de) 1979-08-09
IE32556B1 (en) 1973-09-19
US4063229A (en) 1977-12-13
NO126975B (en]) 1973-04-16
CH497009A (de) 1970-09-30
DK126143C (da) 1973-10-22
DE1766065A1 (de) 1971-05-27
ES352178A1 (es) 1970-02-01
FR1565745A (en]) 1969-05-02
SE343418B (en]) 1972-03-06
NL159802B (nl) 1979-03-15
DK126143B (en]) 1973-06-12
CA947398A (en) 1974-05-14
DE1766065C3 (de) 1980-04-10
JPS5230836B1 (en]) 1977-08-10
GB1227141A (en]) 1971-04-07
BR6897870D0 (pt) 1973-01-11
IL29665A (en) 1971-12-29
LU55805A1 (en]) 1968-06-17
IE32556L (en) 1968-09-30
NL6804325A (en]) 1968-10-01
AT311217B (de) 1973-11-12

Similar Documents

Publication Publication Date Title
FR1565745A (en])
AU425114B2 (en])
AU416737B2 (en])
AU2277767A (en])
AU342066A (en])
AU2454867A (en])
AU2528767A (en])
AU610966A (en])
AU3151267A (en])
AU3189468A (en])
BE710403A (en])
BE708724A (en])
AU3054676A (en])
AU408412B2 (en])
BE692492A (en])
BE711887A (en])
AU25066A (en])
BE710761A (en])
BE710426A (en])
AU459699A (en])
BE709975A (en])
BE709737A (en])
BE709396A (en])
BE709373A (en])
BE709217A (en])

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SENSORMATIC ELECTRONICS CORP.

Effective date: 19870331