EP1017033A2 - Elément pour la protection électronique d'articles et procédé de fabrication - Google Patents

Elément pour la protection électronique d'articles et procédé de fabrication Download PDF

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Publication number
EP1017033A2
EP1017033A2 EP99114809A EP99114809A EP1017033A2 EP 1017033 A2 EP1017033 A2 EP 1017033A2 EP 99114809 A EP99114809 A EP 99114809A EP 99114809 A EP99114809 A EP 99114809A EP 1017033 A2 EP1017033 A2 EP 1017033A2
Authority
EP
European Patent Office
Prior art keywords
dielectric
securing element
conductor tracks
conductor track
area
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.)
Granted
Application number
EP99114809A
Other languages
German (de)
English (en)
Other versions
EP1017033A3 (fr
EP1017033B1 (fr
Inventor
Richard Altwasser
Peter Lendering
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 EP1017033A2 publication Critical patent/EP1017033A2/fr
Publication of EP1017033A3 publication Critical patent/EP1017033A3/fr
Application granted granted Critical
Publication of EP1017033B1 publication Critical patent/EP1017033B1/fr
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

Definitions

  • the invention relates to a security element for electronic article security, consisting of a lower and an upper conductor track with each at least one winding, the two conductor tracks being wound in opposite directions are, where they overlap in at least one overlap area and where a dielectric layer in the overlap area between the two Conductor tracks is provided.
  • a corresponding securing element is, for example, from DE 197 08 180 A1 became known.
  • Such fuse elements are called resonant circuits or referred to as resonance frequency fuse elements, the resonance frequency by the capacitance C, the inductance L and the Resistance R of the resonant circuit is determined.
  • Resonance frequency fuse elements are in the form of labels or tags in prevention and Theft detection used in department stores and warehouses and delight popularity due to the high detection rate.
  • the article security itself can be briefly described as follows:
  • the Resonance frequency security elements are in the surveillance zone of the area to be secured - usually this is the input and Exit area of the department store or warehouse - through a magnetic Alternating field for sending a characteristic detection signal excited. Once the surveillance system registers this detection signal, an alarm is triggered.
  • the resonance frequency securing elements are configured to be deactivated. Deactivation takes place as soon as the secured Goods have been properly purchased by a customer. Has proven itself here the method of supplying a correspondingly high energy pulse a short circuit between the two layers of conductor tracks through the to generate dielectric layer, which leads to destruction of the characteristic resonance properties of the resonant circuit.
  • a deactivatable securing element and a corresponding manufacturing process are already known from EP 0 665 705 A2.
  • Each of the Layers of conductor tracks in the known solution consist of a large number of Coils.
  • the two layers of conductor tracks are connected by a dielectric, very thin resin layer bonded together.
  • the resin layer has over the total area of the layers has a substantially constant thickness.
  • the securing element is also deactivated here by the feed a sufficiently high energy pulse.
  • the object of the invention is to propose a securing element, at which the risk of reactivation after deactivation is reduced or completely eliminated.
  • the task becomes with regard to the securing element according to the invention solved in that the dielectric layer in a critical area in which the upper or lower conductor track is a boundary edge of the lower or the upper conductor track overlaps, at least the same or a greater thickness than in the rest of the overlap area.
  • the dielectric layer around a dielectric adhesive layer.
  • ⁇ critical area areas in which a boundary edge of a conductor track is crossed by the other conductor track are particularly susceptible to reactivation if the previous deactivation occurred in these areas. Such areas can not be avoided by the way with two conductor tracks that are wound in opposite directions. It has been found that the securing element is particularly resistant to reactivation if the sum of the lengths of the boundary edges in the critical area or in the critical areas or in the strip-shaped area is minimal.
  • a dielectric Foil material in addition to the dielectric layer a dielectric Foil material, a dielectric lacquer layer or an additional dielectric Adhesive layer is provided.
  • a dielectric Foil material in addition to the dielectric layer a dielectric lacquer layer or an additional dielectric Adhesive layer is provided.
  • the larger one Thickness in the critical area or in the critical areas thereby achieved will that the two traces in these areas with a lower Contact pressure can be applied during the lamination process.
  • the Security element provides an advantageous embodiment of the Security element according to the invention that these areas in essentially along a straight line in a substantially strip-shaped Area are arranged.
  • This strip-shaped area has a width of a few millimeters and preferably extends over the entire length of the Fuse element. It is of course advantageous if the width of the Foil material (preferably PET is used) or the dielectric Lacquer or the additional dielectric adhesive layer on the width of the strip-shaped area is matched.
  • the two conductor tracks are in an overlapping securing element End area electrically connected.
  • the electrical connection can done in different ways. Alternative options are in DE 197 08 180.
  • the preferred process for contacting the two Conductor tracks in connection with the present invention is that Punch through the securing element in the area of the conductor tracks in which the electrical connection is desired.
  • a particularly favorable manufacturing process for the inventive Fuse elements has the following procedural steps: On the lower one Conductor track, a dielectric adhesive layer is applied; the critical area or the critical areas with a dielectric Foil material, a dielectric lacquer layer or an additional dielectric adhesive layer coated; then the top trace connected to the lower trace in the desired position.
  • a dielectric adhesive layer is applied on the lower one Conductor track; the critical area or the critical areas with a dielectric Foil material, a dielectric lacquer layer or an additional dielectric adhesive layer coated; then the top trace connected to the lower trace in the desired position.
  • the lower and upper traces in the critical Area or in the critical areas with a reduced contact pressure be laminated together. Laminating the two conductor tracks together reduced contact pressure can of course also in combination with the the additional arrangement of a dielectric layer in the critical Area or in the critical areas.
  • the upper and lower conductor tracks on one each Tape material arranged; on the strip material the conductor tracks are like this arranged that the critical areas are aligned in the machine direction are; the dielectric strip-shaped film material, the dielectric The lacquer layer or the additional dielectric adhesive layer is applied in strips the lower or the upper conductor tracks applied before these conductor tracks be laminated together.
  • An advantageous embodiment of the method for producing the invention Fuse elements provides that the dielectric lacquer layer on the sprayed or printed on the upper or lower conductor track. Act If it is a dielectric adhesive layer, this is preferred on the top or the lower conductor track is applied by extrusion.
  • FIG. 1 shows a top view of the lower conductor track 2
  • FIG. 2 shows one Top view of the upper conductor track 3.
  • the conductor tracks are Security element 1 punched out of an aluminum foil.
  • the Manufacturing method for manufacturing the securing element according to the invention 1 is relatively inexpensive because the two conductor tracks 2, 3 are relatively wide and essentially have only one turn. Because of the dimensioning the securing element according to the invention is also characterized by a high stability.
  • the two conductor tracks 2, 3 are wound in opposite directions. A consequence of this Design inevitably consists in that boundary edges 5 of the lower Track 2 are crossed by the upper track 3.
  • the one shown in Fig. 3 Securing element 1 has three critical areas 7, in which boundary edges 5 of the lower conductor track 2 are crossed by the upper conductor track 3.
  • the securing element shown in Fig. 3 is now designed so that it three critical areas 7 substantially along a straight line in one narrow limited strip-shaped area come to rest. In this strip-shaped Area becomes in addition to the already existing dielectric Layer that isolates the two conductor tracks 2, 3 from each other, an additional dielectric layer inserted. This layer is shown in the Case around a dielectric film material 4a, which is preferably made of PET is. However, dielectric lacquers 4b or can of course also be used dielectric adhesive 4c can be used.

Landscapes

  • 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)
  • Fuses (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Read Only Memory (AREA)
  • Laminated Bodies (AREA)
EP99114809A 1998-12-14 1999-07-29 Elément pour la protection électronique d'articles et procédé de fabrication Expired - Lifetime EP1017033B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19857583 1998-12-14
DE19857583A DE19857583A1 (de) 1998-12-14 1998-12-14 Sicherungselement für die elektronische Artikelsicherung und Verfahren zur Herstellung eines Sicherungselementes

Publications (3)

Publication Number Publication Date
EP1017033A2 true EP1017033A2 (fr) 2000-07-05
EP1017033A3 EP1017033A3 (fr) 2001-04-11
EP1017033B1 EP1017033B1 (fr) 2003-09-10

Family

ID=7891001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99114809A Expired - Lifetime EP1017033B1 (fr) 1998-12-14 1999-07-29 Elément pour la protection électronique d'articles et procédé de fabrication

Country Status (9)

Country Link
US (1) US6394357B1 (fr)
EP (1) EP1017033B1 (fr)
JP (1) JP3964084B2 (fr)
AT (1) ATE249667T1 (fr)
AU (1) AU741785B2 (fr)
DE (2) DE19857583A1 (fr)
DK (1) DK1017033T3 (fr)
ES (1) ES2207088T3 (fr)
NO (1) NO996159L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59913807D1 (de) * 1998-06-23 2006-10-12 Meto International Gmbh Identifizierungselement
JP2003529163A (ja) * 2000-03-28 2003-09-30 ルカトロン アーゲー 共振周波数を調整する部材を有するｒｆｉｄラベル
US7355516B2 (en) * 2004-12-23 2008-04-08 Checkpoint Systems, Inc. Method and apparatus for protecting culinary products
US8622307B2 (en) * 2008-11-04 2014-01-07 Printechnologies Gmbh Identification system and applications

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5291180A (en) * 1981-10-30 1994-03-01 Reeb Max E LC structure useful in radio frequency security systems
US5405702A (en) * 1993-12-30 1995-04-11 Minnesota Mining And Manufacturing Company Method for manufacturing a thin-film EAS and marker
EP0670563A1 (fr) * 1994-03-04 1995-09-06 Flexcon Company Inc. Etiquettes à résonance et procédé de fabrication
EP0790123A2 (fr) * 1996-02-14 1997-08-20 James River Corporation Of Virginia Stratifié comportant une couche métallique structurée et sa méthode de fabrication
EP0807912A1 (fr) * 1996-05-14 1997-11-19 N.V. Nederlandsche Apparatenfabriek NEDAP Etiquette flexible pour un système de détection électronique et procédé de fabrication

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221500A1 (de) * 1982-06-07 1983-12-08 Max-E. Dipl.-Ing. 7320 Göppingen Reeb Identifizierungsanordnung in form eines an einem gegenstand anbringbaren gebildes und verfahren zur herstellung
US5276431A (en) * 1992-04-29 1994-01-04 Checkpoint Systems, Inc. Security tag for use with article having inherent capacitance
US5444223A (en) * 1994-01-11 1995-08-22 Blama; Michael J. Radio frequency identification tag and method
US5574431A (en) * 1995-08-29 1996-11-12 Checkpoint Systems, Inc. Deactivateable security tag
DE19604746A1 (de) * 1996-02-09 1997-08-14 Esselte Meto Int Gmbh Sicherungselement für die elektronische Artikelsicherung
DE19705723A1 (de) * 1996-08-06 1998-02-12 Esselte Meto Int Gmbh Sicherungselement für die elektronische Artikelsicherung
DE19708180A1 (de) * 1996-11-04 1998-05-07 Esselte Meto Int Gmbh Sicherungselement für die elektronische Artikelüberwachung
ATE215705T1 (de) * 1996-11-04 2002-04-15 Meto International Gmbh Sicherungselement für die elektronische artikelüberwachung
US6164551A (en) * 1997-10-29 2000-12-26 Meto International Gmbh Radio frequency identification transponder having non-encapsulated IC chip

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5291180A (en) * 1981-10-30 1994-03-01 Reeb Max E LC structure useful in radio frequency security systems
US5405702A (en) * 1993-12-30 1995-04-11 Minnesota Mining And Manufacturing Company Method for manufacturing a thin-film EAS and marker
EP0670563A1 (fr) * 1994-03-04 1995-09-06 Flexcon Company Inc. Etiquettes à résonance et procédé de fabrication
EP0790123A2 (fr) * 1996-02-14 1997-08-20 James River Corporation Of Virginia Stratifié comportant une couche métallique structurée et sa méthode de fabrication
EP0807912A1 (fr) * 1996-05-14 1997-11-19 N.V. Nederlandsche Apparatenfabriek NEDAP Etiquette flexible pour un système de détection électronique et procédé de fabrication

Also Published As

Publication number Publication date
EP1017033A3 (fr) 2001-04-11
JP3964084B2 (ja) 2007-08-22
ATE249667T1 (de) 2003-09-15
DK1017033T3 (da) 2003-12-29
EP1017033B1 (fr) 2003-09-10
NO996159D0 (no) 1999-12-13
AU741785B2 (en) 2001-12-06
DE19857583A1 (de) 2000-06-15
US6394357B1 (en) 2002-05-28
AU4459399A (en) 2000-06-15
DE59906942D1 (de) 2003-10-16
NO996159L (no) 2000-06-15
ES2207088T3 (es) 2004-05-16
JP2000194964A (ja) 2000-07-14

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