EP0635811B1 - Antitheft security tag . - Google Patents

Antitheft security tag . Download PDF

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Publication number
EP0635811B1
EP0635811B1 EP94105936A EP94105936A EP0635811B1 EP 0635811 B1 EP0635811 B1 EP 0635811B1 EP 94105936 A EP94105936 A EP 94105936A EP 94105936 A EP94105936 A EP 94105936A EP 0635811 B1 EP0635811 B1 EP 0635811B1
Authority
EP
European Patent Office
Prior art keywords
security tag
antitheft
layer
antitheft security
metal
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
EP94105936A
Other languages
German (de)
French (fr)
Other versions
EP0635811A1 (en
Inventor
Dieter Ludebühl
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.)
Meto International GmbH
Original Assignee
Meto International GmbH
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 Meto International GmbH filed Critical Meto International GmbH
Publication of EP0635811A1 publication Critical patent/EP0635811A1/en
Application granted granted Critical
Publication of EP0635811B1 publication Critical patent/EP0635811B1/en
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
    • G08B13/2437—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
    • G08B13/244—Tag manufacturing, e.g. continuous manufacturing processes
    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • G09F3/0292—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S40/00—Card, picture, or sign exhibiting
    • Y10S40/902—Circuit control, e.g. flashing light
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1089—Methods of surface bonding and/or assembly therefor of discrete laminae to single face of additional lamina
    • Y10T156/1092—All laminae planar and face to face
    • Y10T156/1093—All laminae planar and face to face with covering of discrete laminae with additional lamina
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/14—Layer or component removable to expose adhesive
    • Y10T428/1481—Dissimilar adhesives
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y10T428/2486—Intermediate layer is discontinuous or differential with outer strippable or release layer
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y10T428/24868—Translucent outer layer
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y10T428/24868—Translucent outer layer
    • Y10T428/24876—Intermediate layer contains particulate material [e.g., pigment, etc.]
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24934—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including paper layer

Definitions

  • the invention relates to an anti-theft label according to the Preamble of claim 1.
  • Theft protection labels are of the type described in the introduction known for example from the subsequently published DE 42 23 394 A1. Becomes one with an anti-theft tag - one soft magnetic Contains metal strips as an electromagnetic security element provided article by one of a transmitting and a receiving antenna limited security area worn without prior If the seller has deactivated the label, the security element from the transmitting antenna with an alternating electromagnetic field illuminated so that the soft magnetic metal strip with the Frequency of this field is magnetized. As a result, the The label in turn emits an alternating electromagnetic field that is received by the receiver antenna and a theft alarm triggers.
  • Conventional labels have a conventional or temperature-sensitive paper existing record carrier on the is usually so translucent that under the record carrier arranged securing element, i.e. the metal strip, easily recognizable is.
  • a potential shoplifter can easily label this as Identify anti-theft tag so that he can either get it Refrain from stealing the item with the anti-theft tag and instead choose an article without such a label, or that it remove the label from the item before unlawfully stealing it.
  • the label perform the function for which it was designed is provided, namely the goods offered in the shop Protect theft.
  • EP-A-0 096 182 discloses an anti-theft label an electromagnetic safety element that leads to the barge before damage to layers of a velvet fabric is surrounded.
  • the object of the present invention is to provide an anti-theft tag to create something that is not recognizable as such and like a conventional one Paper label looks like.
  • a first in Wavelength range of the visible light opaque layer is provided, that on the side of the recording medium facing the securing element is arranged.
  • the opaque layer is around an opaque color layer or around an opaque layer dia- or paramagnetic metal.
  • the main idea is to keep the record carrier on its Security element facing side with a non-transparent Layer to prevent the securing element for is recognizable to the customer.
  • This layer is in terms of its optical Properties selected such that in the relevant wavelength range of visible light a sufficiently strong attenuation through absorption (Extinction) or reflection.
  • the concept of reflection includes Within the scope of the idea according to the invention, a dispersion of the Light in any direction, such as through opaque Layers is effected. By choosing the thickness and / or the type of material the layer thus has a sufficiently low transmission - which is not must necessarily be zero - achieved in order to detect the optical To prevent securing element.
  • the advantage of the invention is primarily that potential Shoplifters received no indication that the label was used as an anti-theft label is trained. Therefore, they are not on the mind come before an illegal removal of an article from the Remove sales facility; the theft is from those at the exit installed control devices detected.
  • the anti-theft label is also included inexpensive to manufacture, since only a relatively thin additional layer is to be applied.
  • An opaque layer comes as a layer of low transparency Color layer in question. It is inexpensive and easy to manufacture and causes the light to be scattered by reflection, absorbed but also a not insignificant proportion.
  • the carrier film with a second layer it is also particularly advantageous to also have the carrier film with a second layer to provide less transparency, because in this case the labels too can be used for labeling transparent articles without them can be recognized as anti-theft labels.
  • the securing element opposite side of the carrier foil of the anti-theft label to be releasably applied to a carrier film by means of an adhesive connection.
  • the latter facilitates printing, transport and storage (and If necessary, further manufacturing steps) and will be added when labeling the characteristic article using a hand labeling or dispensing device deducted.
  • a continuous, narrow can be used as a securing element
  • Strips of soft magnetic metal are used: will that activated theft protection label by a security gate with transmission and receiver antennas, and it is used by one The alternating electromagnetic field is illuminated, the soft magnetic Metal strips remagnetized with the frequency of the alternating field. This causes the metal strip to be an electromagnetic one Alternating field emits that is received by the receiver antenna. After an evaluation of the received signal, it may then Theft alarm given.
  • the strip can also be moved at a distance hard magnetic metal pieces positioned from each other covered become. Will the goods with the theft protection label paid, the label is deactivated. Here the label becomes one strong magnetic DC field exposed that the hard magnetic Metal band pieces are magnetized and because of their magnetic Properties this magnetization state after switching off the Maintain constant field.
  • the magnetized metal tape pieces drive the soft magnetic metal strips in the magnetic saturation, so that he cannot be remagnetized by an external magnetic alternating field is.
  • the anti-theft tag stops responding when it does is carried by the security gate and therefore can not Trigger the theft alarm more.
  • the layer is smaller Transparency and / or the layer of dia- or paramagnetic metal, because the metal band pieces cause bulges in the known anti-theft labels of labels that are not only visible, but also tangible.
  • a the Layer of metal covering pieces of metal tape has such a layer Stiffness that avoids this bulging of the label be, so that a shoplifter even by scanning the label none Receives notice that this is an anti-theft label is.
  • the flat surface of the recording medium caused thereby also has the advantage that the label can be printed without errors without the contrast of the printing ink on the bulging areas of the recording medium is stronger than on the adjacent areas; it results a complete print image.
  • a bulge on the record carrier would cause when printing on the record carrier individual elements of the printhead on the bulge of the bulge lie on and produce a sharply defined print image here, whereas the elements with the areas of the bulge lying on both sides of the Record carrier hardly come into contact and therefore none here or just leave weak markings.
  • the metal be dia- or paramagnetic, because such Materials are only so weakly magnetizable that the label on the Passing through the security area no false alarm is triggered.
  • Aluminum can be used as the metal layer here, which the Record carrier gives the required rigidity, but still is relatively inexpensive.
  • a soft magnetic thin film layer applied on the carrier film is recommended as a securing element.
  • the layer of low transparency can be dispensed with as a metal layer, since the thin film layer on the label does not produce any tell-tale bulges like the narrow metal strip.
  • a hard magnetic metal foil which, for example, consists of nickel.
  • the hard magnetic metal foil can be arranged above and / or below the soft magnetic thin film layer.
  • magnetic securing elements e.g. as flat thin-film circuits implemented - resonant circuits on that electromagnetic waves are applied at the output.
  • the of The re-emitted waves received on the labels are by means of suitable antennas and activate an alarm.
  • the record carrier is designed like a cardboard box, it becomes recognizable of the label as an anti-theft label is further complicated.
  • Such labels are particularly suitable for due to their rigidity Attachment to textiles or the like through plastic threads.
  • the anti-theft label shown in section in Fig. 1 consists of a carrier tape 1, which is made of conventional paper with a weight of 67g / m 2 and which is coated on the side facing the other layers of the label with silicone. Silicone has the property of having a relatively low adhesive effect on pressure sensitive adhesives. In the case of the present label, this has the advantage that the carrier tape 1 can easily be detached from a carrier film 2 coated on both sides with a pressure sensitive adhesive, which in the exemplary embodiment according to FIG. 1 is formed as a transparent polyester film and on the side facing the securing element, ie the metal strip 4 is coated with aluminum (vapor-deposited or sputtered) and is glued to the carrier tape 1 during the manufacture of the anti-theft tag.
  • the carrier film 2 is glued to a recording medium 6, which consists of temperature sensitive paper and on which the Carrier film 2 facing side with a layer 5 of low transparency Is provided.
  • layer 5 is a gray, opaque color layer.
  • FIG. 1 in plan view and cutting the individual layers that make up the label are partially the view of the anti-theft tag according to the invention shown in FIG. 2 results.
  • the carrier tape 1 which in the Spaced apart, hard magnetic metal band pieces 3, the soft magnetic metal strip 4 underneath and the one with a color layer 5 coated recording medium 6.
  • Die aus transparent polyester carrier film 2 which between the Metal strip pieces 3 and the carrier tape 1 is arranged is only indicated by a break line 2 '.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Burglar Alarm Systems (AREA)
  • Wrappers (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

The antitheft security tag comprises a backing film (2) for a continuous, soft-magnetic metal strip (4) and a recording carrier (6) adhesively attached on to the metal strip. In order that the antitheft security tag is not evident as such and looks like a conventional paper tag, the recording carrier (6) is provided with a layer (5) of low transparency on the side facing the metal strip (4). <IMAGE>

Description

Die Erfindung bezieht sich auf ein Diebstahlsicherungsetikett gemäß dem Oberbegriff des Anspruchs 1.The invention relates to an anti-theft label according to the Preamble of claim 1.

Diebstahlsicherungsetiketten der eingangs beschriebenen Art sind beispielsweise aus der nachveröffentlichten DE 42 23 394 A1 bekannt. Wird ein mit einem Diebstahlsicherungsetikett - das einen weichmagnetischen Metallstreifen als elektromagnetisch wirkendes Sicherungselement enthält versehener Artikel durch einen von einer Sende- und einer Empfängerantenne begrenzten Sicherungsbereich getragen, ohne daß zuvor von einem Verkäufer das Etikett deaktiviert worden ist, wird das Sicherungselement von der Sendeantenne mit einem elektromagnetischen Wechselfeld angestrahlt, so daß der weichmagnetische Metallstreifen mit der Frequenz dieses Feldes ummagnetisiert wird. Dies hat zur Folge, daß das Etikett nun seinerseits ein elektromagnetisches Wechselfeld abstrahlt, das von der Empfängerantenne empfangen wird und einen Diebstahlalarm auslöst.Theft protection labels are of the type described in the introduction known for example from the subsequently published DE 42 23 394 A1. Becomes one with an anti-theft tag - one soft magnetic Contains metal strips as an electromagnetic security element provided article by one of a transmitting and a receiving antenna limited security area worn without prior If the seller has deactivated the label, the security element from the transmitting antenna with an alternating electromagnetic field illuminated so that the soft magnetic metal strip with the Frequency of this field is magnetized. As a result, the The label in turn emits an alternating electromagnetic field that is received by the receiver antenna and a theft alarm triggers.

Konventionelle Etiketten weisen einen aus herkömmlichem oder temperaturempfindlichem Papier bestehenden Aufzeichnungsträger auf, der meist derart lichtdurchlässig ist, daß das unter dem Aufzeichnungsträger angeordnete Sicherungselement, also der Metallstreifen, leicht erkennbar ist. Ein potentieller Ladendieb kann dieses Etikett somit problemlos als Diebstahlsicherungsetikett identifizieren, so daß er entweder davon Abstand nimmt, den Artikel mit dem Diebstahlsicherungsetikett zu stehlen und statt dessen einen Artikel ohne ein derartiges Etikett wählt, oder daß er das Etikett von dem Artikel entfernt, bevor er ihn widerrechtlich entwendet. In keinem der obigen Fälle erfüllt das Etikett die Funktion, für die es vorgesehen ist, nämlich die im Ladengeschäft angebotenen Waren vor Diebstahl zu schützen.Conventional labels have a conventional or temperature-sensitive paper existing record carrier on the is usually so translucent that under the record carrier arranged securing element, i.e. the metal strip, easily recognizable is. A potential shoplifter can easily label this as Identify anti-theft tag so that he can either get it Refrain from stealing the item with the anti-theft tag and instead choose an article without such a label, or that it remove the label from the item before unlawfully stealing it. In none of the above cases does the label perform the function for which it was designed is provided, namely the goods offered in the shop Protect theft.

Die EP-A-0 096 182 offenbart ein Diebstahlsicher ungsetikett mit einem elektromagnetischen Sicherungselement, das zum Schute vor Beschädigung von Schichten aus einem samtgewebe umgeben ist.EP-A-0 096 182 discloses an anti-theft label an electromagnetic safety element that leads to the barge before damage to layers of a velvet fabric is surrounded.

Aufgabe der vorliegenden Erfindung ist es, ein Diebstahlsicherungsetikett zu schaffen, das als solches nicht erkennbar ist und wie ein herkömmliches Papieretikett aussieht. The object of the present invention is to provide an anti-theft tag to create something that is not recognizable as such and like a conventional one Paper label looks like.

Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, daß eine erste im Wellenlängenbereich des sichtbaren Lichts opake Schicht vorgesehen ist, die auf der dem Sicherungselement zugewandten Seite des Aufzeichnungsträgers angeordnet ist. Bei der opaken Schicht handelt es sich um eine opake Farbschicht oder um eine opake Schicht aus dia- oder paramagnetischem Metall.This object is achieved according to the invention in that a first in Wavelength range of the visible light opaque layer is provided, that on the side of the recording medium facing the securing element is arranged. The opaque layer is around an opaque color layer or around an opaque layer dia- or paramagnetic metal.

Der Kerngedanke besteht darin, den Aufzeichnungsträger auf seiner dem Sicherungselement zugewandten Seite mit einer nicht transparenten Schicht auszustatten, um zu verhindern, daß das Sicherungselement für den Kunden erkennbar ist. Diese Schicht wird bezüglich ihrer optischen Eigenschaften derart gewählt, daß im relevanten Wellenlängenbereich des sichtbaren Lichtes eine hinreichend starke Dämpfung durch Absorption (Extinktion) bzw. Reflexion erfolgt. Unter den Begriff der Reflexion fällt im Rahmen des erfindungsgemäßen Gedankens auch eine Streuung des Lichtes in beliebige Richtungen, wie sie beispielsweise durch opake Schichten bewirkt wird. Durch die Wahl der Dicke und/oder der Materialart der Schicht wird somit eine hinreichend geringe Transmission - die nicht zwangsläufig null sein muß - erzielt, um eine optische Erkennung des Sicherungselementes zu unterbinden.The main idea is to keep the record carrier on its Security element facing side with a non-transparent Layer to prevent the securing element for is recognizable to the customer. This layer is in terms of its optical Properties selected such that in the relevant wavelength range of visible light a sufficiently strong attenuation through absorption (Extinction) or reflection. The concept of reflection includes Within the scope of the idea according to the invention, a dispersion of the Light in any direction, such as through opaque Layers is effected. By choosing the thickness and / or the type of material the layer thus has a sufficiently low transmission - which is not must necessarily be zero - achieved in order to detect the optical To prevent securing element.

Der Vorteil der Erfindung besteht primär darin, daß insbesondere potentielle Ladendiebe keinen Hinweis darauf erhalten, daß das Etikett als Diebstahlsicherungsetikett ausgebildet ist. Daher werden sie nicht auf den Gedanken kommen, es vor einer widerrechtlichen Entnahme eines Artikels aus der Verkaufseinrichtung zu entfernen; der Diebstahl wird von den am Ausgang aufgestellten Kontrolleinrichtungen detektiert. Weiterhin ist das Diebstahlsicherungsetikett preiswert herstellbar, da lediglich eine relativ dünne zusätzliche Schicht aufzubringen ist.The advantage of the invention is primarily that potential Shoplifters received no indication that the label was used as an anti-theft label is trained. Therefore, they are not on the mind come before an illegal removal of an article from the Remove sales facility; the theft is from those at the exit installed control devices detected. The anti-theft label is also included inexpensive to manufacture, since only a relatively thin additional layer is to be applied.

Als Schicht geringer Transparenz kommt eine opake Farbschicht in Frage. Sie ist kostengünstig und unproblematisch herstellbar und bewirkt eine Aufstreuung des Lichtes durch Reflexion, absorbiert jedoch auch einen nicht unerheblichen Anteil.An opaque layer comes as a layer of low transparency Color layer in question. It is inexpensive and easy to manufacture and causes the light to be scattered by reflection, absorbed but also a not insignificant proportion.

Besonders vorteilhaft ist es, auch die Trägerfolie mit einer zweiten Schicht geringer Transparenz zu versehen, weil die Etiketten in diesem Fall auch zum Etikettieren von transparenten Artikeln verwendbar sind, ohne daß sie als Diebstahlsicherungsetiketten erkannt werden können. It is also particularly advantageous to also have the carrier film with a second layer to provide less transparency, because in this case the labels too can be used for labeling transparent articles without them can be recognized as anti-theft labels.

Weiterhin erweist sich als zweckmäßig, die dem Sicherungselement gegenüberliegende Seite der Trägerfolie des Diebstahlsicherungsetiketts durch eine Klebeverbindung lösbar auf eine Trägerfolie aufzubringen. Letztere erleichtert das Bedrucken, den Transport und die Lagerung (und ggf. weitere Fertigungsschritte) und wird beim Etikettieren der zu kennzeichnenden Artikel mittels eines Handetikettier- oder Spendgerätes abgezogen.Furthermore, it proves to be expedient that the securing element opposite side of the carrier foil of the anti-theft label to be releasably applied to a carrier film by means of an adhesive connection. The latter facilitates printing, transport and storage (and If necessary, further manufacturing steps) and will be added when labeling the characteristic article using a hand labeling or dispensing device deducted.

Als Sicherungselement kann im konkreten ein durchgehender, schmaler Streifen aus weichmagnetischem Metall zum Einsatz kommen: wird das aktivierte Diebstahlsicherungsetikett durch ein Sicherungsgatter mit Sende- und Empfängerantennen getragen, und wird es hierbei von einem elektromagnetischen Wechselfeld angestrahlt, wird der weichmagnetische Metallstreifen mit der Frequenz des Wechselfeldes ummagnetisiert. Dies bewirkt, daß der Metallstreifen nun seinerseits ein elektromagnetisches Wechselfeld abstrahlt, das von der Empfängerantenne empfangen wird. Nach einer Auswertung des empfangenen Signals wird dann eventuell Diebstahlalarm gegeben.In concrete terms, a continuous, narrow can be used as a securing element Strips of soft magnetic metal are used: will that activated theft protection label by a security gate with transmission and receiver antennas, and it is used by one The alternating electromagnetic field is illuminated, the soft magnetic Metal strips remagnetized with the frequency of the alternating field. This causes the metal strip to be an electromagnetic one Alternating field emits that is received by the receiver antenna. After an evaluation of the received signal, it may then Theft alarm given.

Um das Metall zur Deaktivierung in einen permanent magnetisierten Zustand zu versetzen, kann der Streifen zusätzlich mit im Abstand voneinander positionierten, hartmagnetischen Metallstücken überdeckt werden. Wird die mit dem Diebstahlsicherungsetikett versehene Ware bezahlt, wird das Etikett deaktiviert. Hierbei wird das Etikett einem derart starken magnetischen Gleichfeld ausgesetzt, daß die hartmagnetischen Metallbandstücke magnetisiert werden und aufgrund ihrer magnetischen Eigenschaften diesen Magnetisierungszustand nach Abschalten des Gleichfeldes beibehalten. Die magnetisierten Metallbandstücke treiben den weichmagnetischen Metallstreifen in die magnetische Sättigung, so daß er von einem äußeren magnetischen Wechselfeld nicht mehr ummagnetisierbar ist. Somit reagiert das Diebstahlsicherungsetikett nicht mehr, wenn es durch das Sicherungsgatter getragen wird und kann somit auch keinen Diebstahlalarm mehr auslösen.To deactivate the metal into a permanent magnetized The strip can also be moved at a distance hard magnetic metal pieces positioned from each other covered become. Will the goods with the theft protection label paid, the label is deactivated. Here the label becomes one strong magnetic DC field exposed that the hard magnetic Metal band pieces are magnetized and because of their magnetic Properties this magnetization state after switching off the Maintain constant field. The magnetized metal tape pieces drive the soft magnetic metal strips in the magnetic saturation, so that he cannot be remagnetized by an external magnetic alternating field is. Thus, the anti-theft tag stops responding when it does is carried by the security gate and therefore can not Trigger the theft alarm more.

Insbesondere in diesem Fall ist es vorteilhaft, wenn die Schicht geringer Transparenz und/oder die auf der Trägerfolie angebrachte Schicht aus dia- oder paramagnetischem Metall besteht, denn die Metallbandstücke bewirken bei den bekannten Diebstahlsicherungsetiketten Aufwölbungen des Etiketts, die nicht nur sichtbar, sondern auch fühlbar sind. Eine die Metallbandstücke überdeckende Schicht aus Metall weist eine derartige Steifheit auf, daß hierdurch diese Aufwölbungen des Etikettes vermieden werden, so daß ein Ladendieb auch durch Abtasten des Etiketts keinen Hinweis darauf erhält, daß es sich hierbei um ein Diebstahlsicherungsetikett handelt. Die hierdurch bewirkte plane Oberfläche des Aufzeichnungsträgers hat zudem den Vorteil, daß das Etikett fehlerfrei bedruckbar ist, ohne daß der Kontrast der Druckfarbe auf den aufgewölbten Stellen des Aufzeichnungsträgers stärker ist als auf den danebenliegenden Stellen; es ergibt sich ein lückenloses Druckbild. Eine Aufbauchung des Aufzeichnungsträgers würde bewirken, daß beim Bedrucken des Aufzeichnungsträgers einzelne Elemente des Druckkopfes auf der Wölbung der Aufbauchung aufliegen und hier ein konturenscharfes Druckbild erzeugen, wohingegen die Elemente mit den beidseitig des Aufbauchung liegenden Bereichen des Aufzeichnungsträgers kaum in Berührung kommen und hier somit keine oder nur schwache Markierungen hinterlassen.In this case in particular, it is advantageous if the layer is smaller Transparency and / or the layer of dia- or paramagnetic metal, because the metal band pieces cause bulges in the known anti-theft labels of labels that are not only visible, but also tangible. A the Layer of metal covering pieces of metal tape has such a layer Stiffness that avoids this bulging of the label be, so that a shoplifter even by scanning the label none Receives notice that this is an anti-theft label is. The flat surface of the recording medium caused thereby also has the advantage that the label can be printed without errors without the contrast of the printing ink on the bulging areas of the recording medium is stronger than on the adjacent areas; it results a complete print image. A bulge on the record carrier would cause when printing on the record carrier individual elements of the printhead on the bulge of the bulge lie on and produce a sharply defined print image here, whereas the elements with the areas of the bulge lying on both sides of the Record carrier hardly come into contact and therefore none here or just leave weak markings.

Kommen metallische Schichten geringer Transparenz zum Einsatz, ist es erforderlich, daß das Metall dia- oder paramagnetisch ist, denn derartige Materialien sind nur derart schwach magnetisierbar, daß vom Etikett beim Durchgang durch den Sicherungsbereich kein Fehlalarm ausgelöst wird.If metallic layers with low transparency are used, it is required that the metal be dia- or paramagnetic, because such Materials are only so weakly magnetizable that the label on the Passing through the security area no false alarm is triggered.

Als Metallschicht kann hier Aluminium verwendet werden, das dem Aufzeichnungsträger die erforderliche Steifigkeit verleiht, das aber dennoch relativ preisgünstig ist.Aluminum can be used as the metal layer here, which the Record carrier gives the required rigidity, but still is relatively inexpensive.

Weiterhin ist eine weichmagnetische und auf der Trägerfolie aufgebrachte Dünnfilmschicht als Sicherungselement empfohlen. In diesem Fall kann darauf verzichtet werden, die Schicht geringer Transparenz als Metallschicht auszubilden, da die Dünnfilmschicht beim Etikett keine verräterischen Aufwölbungen erzeugt wie der schmale Metallstreifen. Dies gilt in besonderem Maße dann, wenn die zum Deaktivieren des Etikettes erforderlichen hartmagnetischen Metallbandstücke durch eine hartmagnetische Metallfolie ersetzt werden, die bspw. aus Nickel besteht.
Die hartmagnetische Metallfolie kann über und/oder unter der weichmagnetischen Dünnfilmschicht angeordnet sein. Furthermore, a soft magnetic thin film layer applied on the carrier film is recommended as a securing element. In this case, the layer of low transparency can be dispensed with as a metal layer, since the thin film layer on the label does not produce any tell-tale bulges like the narrow metal strip. This is particularly true when the hard magnetic metal tape pieces required to deactivate the label are replaced by a hard magnetic metal foil which, for example, consists of nickel.
The hard magnetic metal foil can be arranged above and / or below the soft magnetic thin film layer.

Alternativ zu magnetischen Sicherungselementen bieten sich - z.B. als flache Dünnschichtschaltungen realisierte - Resonanzschwingkreise an, die am Ausgang mit elektromagnetischen Wellen beaufschlagt werden. Die von den Etiketten empfangenen, wieder abgestrahlten Wellen werden mittels geeigneter Antennen aufgefangen und aktivieren einen Alarm. Naheliegenderweise ist die Schicht geringer Transparenz in dieser Ausführungsform aus nichtleitendem und somit nicht abschirmendem Material hergestellt.As an alternative to magnetic securing elements, e.g. as flat thin-film circuits implemented - resonant circuits on that electromagnetic waves are applied at the output. The of The re-emitted waves received on the labels are by means of suitable antennas and activate an alarm. Obviously there is a layer of low transparency in this Embodiment made of non-conductive and thus not shielding Material made.

Ist der Aufzeichnungsträger kartonähnlich ausgebildet, wird die Erkennbarkeit des Etikettes als Diebstahlsicherungsetikett zusätzlich erschwert. Derartige Etiketten eignen sich aufgrund ihrer Steifigkeit besonders zur Anbringung an Textilien odgl. durch Plastikfäden.If the record carrier is designed like a cardboard box, it becomes recognizable of the label as an anti-theft label is further complicated. Such labels are particularly suitable for due to their rigidity Attachment to textiles or the like through plastic threads.

Ein Ausführungsbeispiel der Erfindung wird im folgenden anhand der Figuren näher erläutert. Es zeigen

Figur 1:
ein erfindungsgemäßes Diebstahlsicherungsetikett im Schnitt und
Figur 2:
ein teilweise aufgeschnittenes Diebstahlsicherungsetikett in Draufsicht.
An embodiment of the invention is explained in more detail below with reference to the figures. Show it
Figure 1:
an anti-theft tag according to the invention in section and
Figure 2:
a partially cut theft protection label in top view.

Das in Fig. 1 im Schnitt dargestellte Diebstahlsicherungsetikett besteht aus einem Trägerband 1, das aus einem herkömmlichen Papier mit einem Gewicht von 67g/m2 hergestellt ist und das auf der den übrigen Schichten des Etiketts zugewandten Seite mit Silikon beschichtet ist. Silikon hat die Eigenschaft, auf Haftkleber eine relativ geringe Haftwirkung auszuüben. Beim vorliegenden Etikett hat dies den Vorteil, daß das Trägerband 1 leicht von einer beidseitig mit einem Haftkleber beschichteten Trägerfolie 2 ablösbar ist, die bei dem Ausführungsbeispiel gemäß Fig. 1 als transparente Polyesterfolie ausgebildet und auf der dem Sicherungselement, d.h. dem Metallstreifen 4, zugewandten Seite mit Aluminium beschichtet (bedampft oder besputtert) ist und bei der Herstellung des Diebstahlsicherungsetiketts auf das Trägerband 1 geklebt wird. Auf die Trägerfolie 2 sind in gleichen Abständen voneinander in einer Reihe hartmagnetische Metallbandstücke 3 und darauf ein durchgehender, weichmagnetischer Metallstreifen 4 geklebt, der über die Haftwirkung des sich in den Lücken zwischen den Metallbandstücken 3 befindenden Haftklebers auf der Trägerfolie 2 fixiert ist. Diese Anordnung der Metallbandstücke 3 und des Metallstreifens 4 ist in Fig. 2 gut erkennbar dargestellt.The anti-theft label shown in section in Fig. 1 consists of a carrier tape 1, which is made of conventional paper with a weight of 67g / m 2 and which is coated on the side facing the other layers of the label with silicone. Silicone has the property of having a relatively low adhesive effect on pressure sensitive adhesives. In the case of the present label, this has the advantage that the carrier tape 1 can easily be detached from a carrier film 2 coated on both sides with a pressure sensitive adhesive, which in the exemplary embodiment according to FIG. 1 is formed as a transparent polyester film and on the side facing the securing element, ie the metal strip 4 is coated with aluminum (vapor-deposited or sputtered) and is glued to the carrier tape 1 during the manufacture of the anti-theft tag. On the carrier film 2 are bonded at a constant distance from each other in a row of hard magnetic metal tape pieces 3 and a continuous, soft magnetic metal strip 4, which is fixed on the carrier film 2 via the adhesive effect of the pressure sensitive adhesive located in the gaps between the metal tape pieces 3. This arrangement of the metal strip pieces 3 and the metal strip 4 is clearly shown in FIG. 2.

Mittels des sich auf der Unterseite der Trägerfolie 2 befindenden Haftklebers ist die Trägerfolie 2 mit einem Aufzeichnungsträger 6 verklebt, der aus temperaturempfindlichem Papier besteht und auf der der Trägerfolie 2 zugewandten Seite mit einer Schicht 5 geringer Transparenz ausgestattet ist. Die Schicht 5 ist beim vorliegenden Etikett eine graue, opake Farbschicht.By means of the one located on the underside of the carrier film 2 Pressure-sensitive adhesive, the carrier film 2 is glued to a recording medium 6, which consists of temperature sensitive paper and on which the Carrier film 2 facing side with a layer 5 of low transparency Is provided. In the present label, layer 5 is a gray, opaque color layer.

Betrachtet man das in Fig. 1 dargestellte Etikett in Draufsicht und schneidet man die einzelnen Schichten, aus denen das Etikett besteht, teilweise auf, ergibt sich die in Fig. 2 dargestellte Ansicht des erfindungsgemäßen Diebstahlsicherungsetikettes. Zu erkennen sind hierbei das Trägerband 1, die im Abstand voneinander angeordneten, hartmagnetischen Metallbandstücke 3, der sich darunter befindende weichmagnetische Metallstreifen 4 und der mit einer Farbschicht 5 beschichtete Aufzeichnungsträger 6. Die aus transparentem Polyester bestehende Trägerfolie 2, die zwischen den Metallbandstücken 3 und dem Trägerband 1 angeordnet ist, ist lediglich mittels einer Bruchlinie 2' angedeutet.Looking at the label shown in Fig. 1 in plan view and cutting the individual layers that make up the label are partially the view of the anti-theft tag according to the invention shown in FIG. 2 results. Here you can see the carrier tape 1, which in the Spaced apart, hard magnetic metal band pieces 3, the soft magnetic metal strip 4 underneath and the one with a color layer 5 coated recording medium 6. Die aus transparent polyester carrier film 2, which between the Metal strip pieces 3 and the carrier tape 1 is arranged is only indicated by a break line 2 '.

Für bestimmte Zwecke sind einfachere Etiketten denkbar, die lediglich aus einer Trägerfolie 2, einem Metallstreifen 4 und aus einem damit verklebten Aufzeichnungsträger 6 bestehen, der auf der dem Metallstreifen 4 zugewandten Seite die Schicht 5 geringer Transparenz aufweist.For certain purposes, simpler labels are conceivable that only consist of a carrier film 2, a metal strip 4 and a glued to it Record carrier 6 exist, the one facing the metal strip 4 Page the layer 5 has low transparency.

Claims (12)

  1. An antitheft security tag, comprised of a carrier film (2), an electromagnetic security element (4) and a recording medium (6) adhesive-bonded to the security element (4), wherein provision is made for a first opaque layer (5) in the wavelength region of the visible light, which layer is arranged on the side of the recording medium (6) facing the security element (4),
    characterized in that the first opaque layer (5) is an opaque coat of paint or an opaque layer of dia-magnetic or paramagnetic metal.
  2. The antitheft security tag as claimed in claim 1,
    characterized in that a second opaque layer in the wavelength region of the visible light is applied to the carrier film (2).
  3. The antitheft security tag as claimed in claim 1 or 2,
    characterized in that provision is made for a carrier web (1) having detachably adhered thereto the side of the carrier film (2) facing away from the security element (2).
  4. The antitheft security tag as claimed in any one of the claims 1 to 3,
    characterized in that the security element (4) is a continuous, soft magnetic metal strip (4).
  5. The antitheft security tag as claimed in claim 4,
    characterized in that the metal strip (4) is covered with lengths of hard magnetic metal band (3) arranged in spaced relationship to each other.
  6. The antitheft security tag as claimed in claim 4 or 5,
    characterized in that the second opaque layer applied to the carrier film (2) is made of diamagnetic or paramagnetic metal.
  7. The antitheft security tag as claimed in claim 6,
       characterized in that said metal is aluminum.
  8. The antitheft security tag as claimed in any one of the claims 1 to 3,
    characterized in that the security element (4) is constructed as a soft magnetic thin-film layer applied to the carrier film (2).
  9. The antitheft security tag as claimed in claim 8,
    characterized in that a hard magnetic metal foil is disposed above and/or underneath the soft magnetic thin-film layer.
  10. The antitheft security tag as claimed in claim 9,
    characterized in that the metal foil is made of nickel.
  11. The antitheft security tag as claimed in any one of the claims 1 to 3,
    characterized in that the security element (4) is a resonant circuit.
  12. The antitheft security tag as claimed in any one of the claims 1 to 11,
    characterized in that the recording medium (6) is of a cardboard-like construction.
EP94105936A 1993-07-16 1994-04-16 Antitheft security tag . Expired - Lifetime EP0635811B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4323883 1993-07-16
DE4323883A DE4323883C2 (en) 1993-07-16 1993-07-16 Theft security tag

Publications (2)

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EP0635811A1 EP0635811A1 (en) 1995-01-25
EP0635811B1 true EP0635811B1 (en) 2002-03-06

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EP (1) EP0635811B1 (en)
JP (1) JPH07140898A (en)
AT (1) ATE214183T1 (en)
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DK (1) DK0635811T3 (en)

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Also Published As

Publication number Publication date
ATE214183T1 (en) 2002-03-15
US5560970A (en) 1996-10-01
EP0635811A1 (en) 1995-01-25
DE4323883A1 (en) 1995-01-19
DE4323883C2 (en) 2002-11-07
DE59410067D1 (en) 2002-04-11
JPH07140898A (en) 1995-06-02
DK0635811T3 (en) 2002-05-06

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