EP0658864B1 - Markierungsvorrichtung - Google Patents

Markierungsvorrichtung Download PDF

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Publication number
EP0658864B1
EP0658864B1 EP94402878A EP94402878A EP0658864B1 EP 0658864 B1 EP0658864 B1 EP 0658864B1 EP 94402878 A EP94402878 A EP 94402878A EP 94402878 A EP94402878 A EP 94402878A EP 0658864 B1 EP0658864 B1 EP 0658864B1
Authority
EP
European Patent Office
Prior art keywords
marking device
label
detection ring
electronic module
marking
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 - Lifetime
Application number
EP94402878A
Other languages
English (en)
French (fr)
Other versions
EP0658864A1 (de
Inventor
Gérard Lemaire
Philippe Lemaire
Patrick Lorelle
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.)
LEMAIRE, GERARD
LEMAIRE, PHILIPPE
Lorelle Patrick
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
Priority to EP97116002A priority Critical patent/EP0869463B1/de
Publication of EP0658864A1 publication Critical patent/EP0658864A1/de
Application granted granted Critical
Publication of EP0658864B1 publication Critical patent/EP0658864B1/de
Priority to GR20010401925T priority patent/GR3037053T3/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G08B13/2428—Tag details
    • G08B13/2431—Tag circuit details
    • 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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered 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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details
    • 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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2445—Tag integrated into item to be protected, e.g. source tagging
    • 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
    • G08B13/2428—Tag details
    • G08B13/2448—Tag with at least dual detection means, e.g. combined inductive and ferromagnetic tags, dual frequencies within a single technology, tampering detection or signalling means on the tag

Definitions

  • the present invention relates generally to security systems controlling the movement of objects and the illegal transport of these outside a enclosure, and more particularly the marking, for example in the form of labels, of objects to be monitored.
  • these marking devices retain their properties of detecting the object that carries them so much that they have not been removed which makes them detectable even during a lawful passage in control zones, that is to say after having obtained them regularly.
  • marking devices allow monitoring more effective since an alarm sounds as soon as a unauthorized person opens the safety pin but are still failing when the person desiring to steal the object is ready to partially deteriorate it, by example when it is a garment by practicing a slit allowing the pin to be removed without opening it.
  • the present invention is defined by claim 1. It aims to provide a device for marking such that it cannot be disassembled from the article on which it was placed without emitting an alarm signal.
  • the following marking devices include a detection ring, one of which electrical characteristic is changed when trying to separate the device from the object carrying it.
  • the marking devices according to the invention also allow the management of objects carrying said devices.
  • the marking device includes a module electronics 13 and a detection ring 15 of a attempted fraud.
  • the electronic module is in any form suitable for commands that we want him to realize, he can have one or more electronic chips, and / or surface components.
  • the conductor 15 forming the detection ring is a very thin conductor that can easily break. This conductor may be large in area, but very thin so that it is tearable.
  • This conductor 15 also provides power of the electronic module 13 in electrical energy in subjecting the marking device to a field energy, preferably a radio-electric field.
  • a field energy preferably a radio-electric field.
  • a such field created in the area to be monitored induced in the conductor 15 a current which is rectified in a known manner per se to power said electronic module.
  • the marking devices are particularly but not exclusively intended for marking with a view to their monitoring items such as items for sale exposed in stores. They can also be put used in museums or other exhibition places.
  • the areas to be monitored are therefore generally local closed, it is very easy to create radio fields there ensuring the supply of energy to the marking according to the invention.
  • the field created by the multitude of lighting devices found there may be sufficient to supply the marking devices according to the invention and free from the need to produce specially energy fields for the supply of said marking devices.
  • a module is implemented electronic capable of storing information and to send and / or receive information either alone, either through an antenna.
  • the detection ring 15 is used as an antenna.
  • Digital signals from the electronic module can also be coded to distinguish them easily other external spurious signals.
  • the marking device according to the invention is intended for be implemented in premises with systems of the type usually used in exit control areas, as well as surveillance to identify fraud attempts in the room itself.
  • the electronic circuit carried by the label transmits a signal as soon as a unauthorized person attempts to separate label of the object that carries it.
  • Detection of this attempt to dissociate the marking device is carried out thanks to the ring of detection 15 and it is for this purpose that the conductor used for its realization is of very small section in order to weaken, and allow its electrical continuity is broken as soon as an attempt is made to separate the device for marking the article carrying it.
  • the marking device is produced in the form of an adhesive label intended to be stuck on an item offered for sale or on display.
  • the marking device being glued by its entire surface on the article to be protected, it is not possible to cut the article to remove said device in order to be able to steal the article thus unmarked because it would be too deteriorated to be still usable.
  • the conducting wire forming the detection ring 15 can be used as the antenna for transmitting this signal.
  • the surveillance service is thus, thanks to the label according to the invention, immediately notified of the attempted fraud.
  • the marking device can no longer receive power which mutes in the room.
  • the electronic module remains attached to the article after removal of the label and either detectable by the monitoring systems arranged in store exit areas to provide second possibility to intercept the believing fraudster get rid of the means of marking the article.
  • the label can be produced in several peelable layers so that the detection ring 15 is carried by an external face of the label, it is on the one hand very easily broken, and on the other hand removed from the article carrying the marking device, while the electronic module is secured to the adhesive and remains stuck to the article.
  • FIGS. 2a to 2e are shown the steps for manufacturing a device of this type.
  • one of the corners of said blank presents a cut in L 5.
  • conductive metallized portions 3 for example circular, arranged near the periphery and one fixed an electronic module 5 on the concave edge of the cutting.
  • a second blank 6 is also cut from the ribbon of material in the step shown in Figure 2c.
  • This second blank 6 has a cutout 8 in the corner corresponding to the one in which the module was placed electronics on the first blank 2, as well as openings 7 arranged so as to be opposite the metallized portions when the two blanks are placed 2 and 6 one on the other as shown in Figure 2d.
  • the detection ring 9 After positioning the two blanks one on top of the other with the openings 7 opposite the metallized portions 3 and having joined them with an adhesive layer, we form the detection ring 9 by positioning on the second blank 6 arranged on the first blank 2 of the conductive tracks that connecting to the metallized portions 3 of said first blank 2.
  • the electronic module is then molded into a pawn 101, then there is a layer on the back of the label adhesive covered with a protective sheet.
  • Said blanks 2 and 6 are fixed to each other by a adhesive with lower adhesion strength than the adhesive used on the back of the label.
  • the buyer of the article can then take off the upper blank 6 and leave the lower blank 2 on the article in order to keep the decorations.
  • the marking device allows well heard to a well-intentioned client, not seeking to peel off the label, observe the object, try it if it is a piece of clothing, to put it back on, without the surveillance be alerted.
  • a signal coded electrical is induced in the electronic circuit to through the detection ring then operating at the way of an antenna.
  • This signal is designed to power sufficient to ensure destruction by vaporization of a fuse.
  • This fuse is a fuse integrated so known and usual in the electronic module. This signal from destruction can be issued when reading the code bar carried by the label to define the object and its price.
  • an electronic module may plan to control the actual destruction of the fuse before validating the registration of the price which ensures that the deactivation of the marking according to the invention is well carried out.
  • the label according to the invention is rendered inoperative after the item was lawfully taken out of the store this which makes it undetectable by other systems of surveillance through which the object can be transported after payment.
  • the energy reserve of such a label can be increased by the use of a capacitor in the electronic circuit, such a capacitor being of preference obtained by direct printing or overlay of conductive layers.
  • the label according to the invention can be used for many other applications such as identifying people or objects as they pass in front of tags, more or less package management bulky like packages in postal services, baggage in airports, waste bins in central processing ...
  • the labels according to the invention would then allow the once identifying people or things, detecting any attempted fraud, such as the transfer of a label of a person authorized to a person not authorized, peeling of labels in order to divert parcel, and could be rendered inoperative when exit of the person or object carrying the label at the exit of the monitored area.
  • the electronic module can be provided with a memory allowing the storage of all useful data and a microprocessor for processing this data in liaison with external means.
  • the devices marking according to the invention can thus be used for carry out parcel sorting.
  • the marking device comprises, in plus the detection ring 15, an antenna transmitter 14.
  • This embodiment allows to continue to ensure the power supply of the electronic module even after the interruption of the detection ring 15, as long as said antenna is not destroyed.
  • Figures 4a to 4f show by way of example not limiting, a method of manufacturing marking according to the variant of Figure 3 occurring in the form of adhesive labels intended to be affixed on objects of all kinds.
  • This manufacturing is done in several stages.
  • Said labels are, in the example shown, made from a ribbon of support material such as polystyrene, polyvinyl chloride or ABS.
  • This ribbon can be obtained beforehand by any device known manufacturing such as rolling, casting, extrusion, or injection ...
  • Other materials can of course be used to form said tape such as a polyamide.
  • This ribbon can be previously decorated on its face intended to be the front of the label. We noted by broken lines 10 on the drawing the location of labels that we make.
  • cuts of different shape and nature are carried out in the ribbon 1 in suitably chosen locations.
  • two such groups of cuts are planned.
  • the cuts of the first group represented by the lines 11 are intended to make weakening zones of the label. These cuts will, for example, be made in the form of a succession of points in the manner of cuts usually made in papers intended for IT, which will allow labels to be obtained weakened but remaining easy to handle during their manufacture and their use (implementation on Objects).
  • a second cut 12 consists in the removal of a globally L-shaped material surface
  • the electronic module 13 is arranged in the area of the ribbon 1 bordered by the part concave of the cut 12.
  • circuit electronics comprising said conductors and said module separately, for example on a polyamide film that it is fixed on the tape 1 by rolling. We will then take care to weaken said polyamide film around the ring of detection so as not to make unnecessary the cutouts of embrittlement 11 previously carried out.
  • the ribbon area carrying the electronic module 13 is deformed so away from said module from the rest of the surface of the tape. This creates a setback in the concave part of which the electronic module is arranged.
  • the ribbon 1 carrying the electronic circuit is then placed in a mold not shown in the drawing so to enclose said electronic module in a pin 18 of protection.
  • conductors 14 and 15 are laminated in the material forming the tape 1.
  • the upper face ribbon can be decorated if it had not been previously.
  • the next manufacturing step consists in setting up place on the back of the label of an adhesive film 16 protected by a protective film 17 and cut ribbon of material 1 along lines 10. So known per se, only the ribbon is cut while the protective film is kept intact.
  • the ribbon 1 with the labels 21 completed is wound with possible interposition of a spacer allowing absorb the difference in thickness between pin 18 and the rest of label.
  • This tape can then be used in machines paste of known type.
  • the ring of detection 15 is arranged on the periphery of the label so that it is destroyed before the antenna 14 risks being being.
  • the weakening lines 11 are arranged in such a way that they do not cross antenna 14 in order to limit the risks of deterioration of it.
  • the shaped detection ring 15 is placed of eight so as to make it immune to emissions parasites which may be present in the premises containing objects to watch. It is possible to have in known manner several such loops in the form of eight.
  • This rupture of the detection ring is immediately detected by the electronic module and this sends, by its antenna 14 used in transmission, a signal interpreted by the store's internal surveillance network.
  • the signal emitted by the electronic module of a device marking according to the invention can be a simple signal alarm, but can also carry information giving the exact nature of the object in question.
  • surveillance means similar to those commonly used today detect any object bearing a label whether it is whole or only the part carrying the electronic module.
  • the pin enclosing the electronic module can be molded in a transparent material to allow transmission of information by light signals.
  • said articles marking devices can be decorated at the time of their molding over their entire surface or only in part or can be decorated later, on request, in depending on the destination of the marking devices.
  • FIG. 5 represents an alternative embodiment of a marking device according to the invention in the form adhesive label in which two antennas receivers are planned in order to increase the chances of keeping an antenna capable of transmitting information after an attempt to uproot the label.
  • the surfaces are inverted around its periphery adhesive so that it stays at least partially glued on the object protected during the removal of the label.
  • the quality is further improved reliability of the label with respect to detection of a grubbing up.
  • Figure 6 shows another alternative embodiment in which the marking device according to the invention takes the form of a thick rigid label hung on an object by installing an insert 20 similar to marking devices often used today for the clothes.
  • the Figure 6 device contains an electronic module 23, a receiving / transmitting antenna 24 and a ring detection 25.
  • the electrical continuity of this ring of detection 25 is ensured by the insert 20 when the latter is in place by the support on its faces of the springs 26.
  • the insert can be provided to so as to be removed in a simple manner, which is not the case with known devices of this type, since any unauthorized withdrawal is detected by the fact that it opens the detection ring.
  • the device marking is a bottle cap composed of manner known per se of a plug 31 and a ring crimping 30.
  • This capsule contains an electronic module 33, a antenna 34 and a detection ring 35 embedded in the matter.
  • the electronic module 33 and the antenna 34 are completely disposed in the plug 31 as shown in the figure, or in the crimping ring 30, while the detection ring 35 is partly arranged in the plug 31 and partly in the crimping ring 30.
  • FIG. 8 represents a new variant embodiment a marking device according to the invention in the form a label 40 attached to an object, for example a baggage or container, by wires 45.
  • the wires 45 form the detection ring. These wires can be electrically interconnected by a pad 49 conductive.
  • the cut of one and / or the other wire 45 is detected by the electronic module not shown contained in pawn 48, and a signal is emitted by an antenna, also not shown, contained in counter 48.
  • the detection can note the break in the continuity of the circuit as described in the previous examples but may also notice a change in electrical characteristics of the detection circuit.
  • the electronic module is planned so as to be able to detect a variation in the resistance of the circuit due, here, to the shortening of son.
  • the label 40 can be of any known form or be produced as a device according to the invention, that is to say also contain a detection ring allowing the detection of a tear.
  • Figures 9 and 10 show two exemplary embodiments of the electronic circuit for marking devices according to the invention.
  • the antenna is unique and ensures the reception and transmission of messages on the same frequency carrier.
  • a coil 50 ensures the energy supply of the electronic module, it can be constituted by the detection ring or any other coil included in the device, for example antennas 14 of Figures 3 and 5.
  • This energy is rectified and stabilized in the receiver-rectifier 70.
  • a fuse 71 is disposed between the coil 50 and the receiver-rectifier 70.
  • a circuit 72 ensures reception and demodulation of information received by antenna 54 and sends these information to a data processing device 74.
  • Said data processing device 74 receives also a clock signal from circuit 75.
  • this data processing device 74 delivers to the circuit 73 a signal which is modulated and transmitted by the antenna 54.
  • Such a device When such a device passes between the antennas surveillance system transmitter willing to leaving the monitored area, it receives from said system monitoring a call signal, for example in the form carrier frequency modulation.
  • the data processing device 74 identifies this call signal and triggers the emission of a signal response through circuit 73.
  • call and response signals can be heard be coded, for example by the use of frequencies of different modulation.
  • the device for processing data 74 receives information from detection ring 55 and triggers the emission of a signal.
  • the embodiment shown in Figure 10 differs of that shown in Figure 9 in that it comprises a security module 76 formed by a computer and a memory 77 accessible only by this security module.
  • Memory may contain data specific to the product, store, etc ...

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Surgical Instruments (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Labeling Devices (AREA)
  • Road Signs Or Road Markings (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Claims (7)

  1. Markierungsvorrichtung, die im Augenblick ihres Durchgangs in Überwachungszonen detektiert werden und ein Alarmsignal aussenden soll, sobald man versucht, sie von dem Artikel abzunehmen, der sie trägt, der Art mit einem elektronischen Stromkreis, der einen Detektionsring (9) umfaßt, von dem eine elektrische Charakteristik geändert wird, wenn man versucht, die Markierungsvorrichtung von dem sie tragenden Artikel abzunehmen, und mit einem elektronischen Modul (5), der in der Lage ist, die Änderung des Detekfionsrings festzustellen und die Überwachungsmittel davon zu informieren, dadurch gekennzeichnet, daß die Vorrichtung eine Flaschenkapsel bildet, die aus einem Stöpsel (31) und einem Börtelring (30) zusammengesetzt ist, wobei der Detektionsring (35) teils in dem Stöpsel (31) und teils in dem Börtelring (30) angebracht ist.
  2. Markierungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß sie Sicherungen umfaßt, die durch ein Zerstörungssignal, das in dem elektronischen Stromkreis induziert wird, zerstörbar sind.
  3. Markierungsvorrichtung nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß ein Kondensator eine Energiereserve gewährleistet.
  4. Markierungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die elektrische Kontinuität des Detektionsringes zerstört wird, wenn man versucht, diese Markierungsvorrichtung von dem sie tragenden Artikel abzumachen.
  5. Markierungsvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der elektrische Modul die Widerstandsänderung des Detektionsringes feststellt, wenn man versucht, das Etikett von dem Artikel, der es trägt, zu entfernen.
  6. Markierungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie wenigstens eine Sende-/Empfangsantenne (14, 24, 34) aufweist.
  7. Markierungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der elektronische Modul in der Lage ist, mit den Überwachungsmitteln zu kommunizieren.
EP94402878A 1993-12-15 1994-12-14 Markierungsvorrichtung Expired - Lifetime EP0658864B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP97116002A EP0869463B1 (de) 1993-12-15 1994-12-14 Kennzeichnungsvorrichtung
GR20010401925T GR3037053T3 (en) 1993-12-15 2001-10-30 Marking device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9315063 1993-12-15
FR9315063A FR2713809B1 (fr) 1993-12-15 1993-12-15 Dispositif de marquage.

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP97116002A Division EP0869463B1 (de) 1993-12-15 1994-12-14 Kennzeichnungsvorrichtung

Publications (2)

Publication Number Publication Date
EP0658864A1 EP0658864A1 (de) 1995-06-21
EP0658864B1 true EP0658864B1 (de) 1999-01-20

Family

ID=9453953

Family Applications (2)

Application Number Title Priority Date Filing Date
EP94402878A Expired - Lifetime EP0658864B1 (de) 1993-12-15 1994-12-14 Markierungsvorrichtung
EP97116002A Expired - Lifetime EP0869463B1 (de) 1993-12-15 1994-12-14 Kennzeichnungsvorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97116002A Expired - Lifetime EP0869463B1 (de) 1993-12-15 1994-12-14 Kennzeichnungsvorrichtung

Country Status (9)

Country Link
EP (2) EP0658864B1 (de)
JP (1) JP3597581B2 (de)
AT (2) ATE176071T1 (de)
DE (2) DE69428003T2 (de)
DK (1) DK0869463T3 (de)
ES (1) ES2162173T3 (de)
FR (1) FR2713809B1 (de)
GR (1) GR3037053T3 (de)
PT (1) PT869463E (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781071B1 (fr) * 1998-07-07 2001-02-02 Itw De France Dispositif reconnaissable electro-magnetiquement par une barriere antivol et procedes pour sa preparation
GB0229124D0 (en) * 2002-12-13 2003-01-15 Hills Numberplates Ltd Signs
JP4453582B2 (ja) * 2005-03-16 2010-04-21 富士通株式会社 Ｒｆｉｄタグ
JP5236939B2 (ja) * 2007-12-21 2013-07-17 大日本印刷株式会社 データキャリア
DE102017219035B4 (de) * 2017-10-25 2021-12-16 Leoni Kabel Gmbh Elektrisches Siegel
KR102338215B1 (ko) * 2019-03-14 2021-12-09 이진구 자동 판매 시스템

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU600451B2 (en) * 1986-10-21 1990-08-16 Toyoji Gomi Anti-shoplifting system
CH672854A5 (en) * 1987-03-01 1989-12-29 Scanmatic Security Systems Ag Security tag for controlled access to building - has LC circuit with capacitor set to valve by burn in at specific location
DE3732297A1 (de) * 1987-09-25 1989-04-06 Fleischhauer Datentraeger Gmbh Passives hochfrequentes ueberwachungssystem fuer bewegliche gegenstaende
DE3933684A1 (de) * 1989-10-09 1991-04-11 Telefunken Electronic Gmbh Elektronisches warensicherungssystem

Also Published As

Publication number Publication date
EP0869463A2 (de) 1998-10-07
DE69428003D1 (de) 2001-09-20
DE69428003T2 (de) 2002-03-21
FR2713809B1 (fr) 1996-03-01
GR3037053T3 (en) 2002-01-31
PT869463E (pt) 2002-01-30
DE69416097T2 (de) 1999-09-16
JPH07272140A (ja) 1995-10-20
JP3597581B2 (ja) 2004-12-08
EP0869463B1 (de) 2001-08-16
ATE176071T1 (de) 1999-02-15
EP0658864A1 (de) 1995-06-21
ES2162173T3 (es) 2001-12-16
DE69416097D1 (de) 1999-03-04
EP0869463A3 (de) 1999-07-07
FR2713809A1 (fr) 1995-06-16
DK0869463T3 (da) 2001-11-12
ATE204399T1 (de) 2001-09-15

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