DE8612785U1 - Deactivatable marking element for detecting objects in a surveillance area, in particular to prevent shoplifting - Google Patents
Deactivatable marking element for detecting objects in a surveillance area, in particular to prevent shopliftingInfo
- Publication number
- DE8612785U1 DE8612785U1 DE19868612785 DE8612785U DE8612785U1 DE 8612785 U1 DE8612785 U1 DE 8612785U1 DE 19868612785 DE19868612785 DE 19868612785 DE 8612785 U DE8612785 U DE 8612785U DE 8612785 U1 DE8612785 U1 DE 8612785U1
- Authority
- DE
- Germany
- Prior art keywords
- deactivatable
- marking element
- highly
- sections
- element according
- 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
Links
- 239000000463 material Substances 0.000 claims description 22
- 244000309464 bull Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000009849 deactivation Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 230000004907 flux Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910000697 metglas Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000815 supermalloy Inorganic materials 0.000 description 1
- 229910000586 vicalloy Inorganic materials 0.000 description 1
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
- G08B13/2405—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 characterised by the tag technology used
- G08B13/2408—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 characterised by the tag technology used using ferromagnetic tags
- G08B13/2411—Tag deactivation
-
- 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
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)
Description
• < · 11 H«♦ · · ·'• < · 11 H«♦ · · ·'
III I I * · ·_.*·.III II * · ·_.*·.
&iacgr; &igr; tec t < * JÎ &igr; tec t < * J
t &iacgr; &igr; t < c * 111 &igr; &igr; i i &igr;t μ t < c * 111 μ i i μ
Rolf HINKELMAMMS 4000 Düsseldorf 30, den 6.5.86JRolf HINKELMAMMS 4000 Düsseldorf 30, 6.5.86J
- ing» (grad.) - Reichswalda4a?. 21- ing» (grad.) - Reichswalda4a?. 21
Deaktivierbares Markierungselement zur Feststellung von Gegenständen in einem Überv/achungsbereich, insbesondere zur Verhinderung von Ladendiebstählen.Deactivatable marking element for detecting objects in a surveillance area, particularly to prevent shoplifting.
Die Erfindung betrifft ein deaktivierbares Markierungselement zur Feststellung von Gegenständen in einem tJberwachungsbereich, in welchem ein sich änderndes und in dem Element eine höherfrequente, harmonische Schwingung erzeugendes Magnetfeld angeordnet ist, insbesondere zur Verhinderung von Ladendiebstählen.The invention relates to a deactivatable marking element for detecting objects in a surveillance area, in which a changing magnetic field is arranged that generates a higher-frequency, harmonic oscillation in the element, in particular for preventing shoplifting.
Dieses Markierungselement besteht aus einem Streifen eines hochpermeablen kristallinen oder amorphen Werkstoffs, vozgsse Supermalloy oder Vitrovac resp. Metglas, und einem höchkoerzitiven Werkstoff, vorzugsweise Vicalloy oder Magnetoflex, der zur Deaktivierung der Einwirkung eines starken, gerichteten weiteren Magnetfeldes aussetzbar ist.This marking element consists of a strip of a highly permeable crystalline or amorphous material, preferably Supermalloy or Vitrovac or Metglas, and a highly coercive material, preferably Vicalloy or Magnetoflex, which can be exposed to the effect of a strong, directed additional magnetic field in order to deactivate it.
Der hochkoerzitive Werkstoff ist abschnittsweise auf dem hochpermeablen Werkstoffstreifen angeordnet, wobei die Abschnitte erfindungsgemäss eine bestimmte geometrische Form aufweisen. Ein solches deaktivierbares Markierungselement ist bekannt aus der US-PS 3.820.104, zu welcher noch die US-PS 3.820.103 gehört, die ein zugeordnetes System zur Feststellung des Markierungselementes in dem Überwachungsbreich genauer erläutert. Ferner sei aus die US-PS 4.123.749 verwiesen.The highly coercive material is arranged in sections on the highly permeable material strip, whereby the sections have a specific geometric shape according to the invention. Such a deactivatable marking element is known from US-PS 3,820,104, to which US-PS 3,820,103 also belongs, which explains an associated system for detecting the marking element in the monitoring area in more detail. Reference is also made to US-PS 4,123,749.
Ein wesentliches Merkmal der Erfindung liegt darin, dass die Abschnitte aus hochkoerzitivem Werkstoff nicht als Quadrate oder Rechtecke ausgebildet sind, sondern die in Fig. 1 dargestellte geometrische Form aufweisen. Die mit a gekennzeichneten "Überlängen" beeinflussen nicht nur den Verlauf der magnetischen Feldlinien, sondern vergrössern ausserdem die Streuflussbereiche. Dadurch werden beim Streifen aus hochpermeablem Werkstoff auch die Freiräume zwischen den erfindungsgemässen Abschnitten in ausreichende Sättigung gebracht.An essential feature of the invention is that the sections made of highly coercive material are not designed as squares or rectangles, but have the geometric shape shown in Fig. 1. The "excess lengths" marked with a not only influence the course of the magnetic field lines, but also enlarge the leakage flux areas. As a result, the free spaces between the sections according to the invention are sufficiently saturated in the strip made of highly permeable material.
" L"2 - "L"2 -
Fief. 2 zeigt Anordnung und Anzahl der erfihdüngsgemässen Abschnitte bei normaler Lange des Märkierungselementes, (76,2 fnric / 3 Zoll) Fig. 2 shows the arrangement and number of sections according to the invention for a normal length of the marking element (76.2 fnric / 3 inches)
Die Breite der Abschnitte kann deckungsgleich mit der Breite des aus hochpermeablem Werkstoff bestehenden Streifens oder geringer sein. Auch geringere Breiten bringen den hochpermeablen Werkstoff in die erforderliche Sättigung.The width of the sections can be the same as or smaller than the width of the strip made of highly permeable material. Even smaller widths bring the highly permeable material to the required saturation.
Fig. 3. ist hinsichtlich Anordnung/ Länge und Breite der erfindungsgemässen Abschnitte identisch mit Fig. 2. Sie sind jedoch mit einem "endlosen" Trägerband aus Papier oder Kunststoff verbunden, das breiter ist als die hochkoerzitiven Werkstoff-Abschnitte. Fig. 3 is identical to Fig. 2 with regard to the arrangement/length and width of the sections according to the invention. However, they are connected to an "endless" carrier tape made of paper or plastic, which is wider than the highly coercive material sections.
Der rechts und links überstehende Bereich (3a) wird bei dsr Produktion der Markierungselemente rechts und links neben dem aus hochpermeablem Werkstoff bestehenden Streifen geklebt, und zwar in der Form, dass sich die erfindungsgemässen Abschnitts unmitte! bar auf dem hochpermeablen Streifen befinden (die Unterseite des Trägerbandes befindet sich oben).During the production of the marking elements, the protruding area (3a) to the right and left is glued to the right and left of the strip made of highly permeable material, in such a way that the sections according to the invention are located directly on the highly permeable strip (the underside of the carrier tape is at the top).
Durch Kleber oder Papier zwangsläufig hervorgerufene Zwischenräume resp. Abstände zwischen weich- und hartmagnetischem Werkstoff, die sich negativ auf den Deaktiviervorgang resp. die erforderlict Sättigung des hochpermeablen Streifens auswirken können, entfall« bei der vorstehend beschriebenen Anordnung.Gaps or spaces between soft and hard magnetic materials that are inevitably caused by glue or paper and that can have a negative effect on the deactivation process or the required saturation of the highly permeable strip are eliminated in the arrangement described above.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19868612785 DE8612785U1 (en) | 1986-05-10 | 1986-05-10 | Deactivatable marking element for detecting objects in a surveillance area, in particular to prevent shoplifting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19868612785 DE8612785U1 (en) | 1986-05-10 | 1986-05-10 | Deactivatable marking element for detecting objects in a surveillance area, in particular to prevent shoplifting |
Publications (1)
Publication Number | Publication Date |
---|---|
DE8612785U1 true DE8612785U1 (en) | 1988-05-26 |
Family
ID=6794505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19868612785 Expired DE8612785U1 (en) | 1986-05-10 | 1986-05-10 | Deactivatable marking element for detecting objects in a surveillance area, in particular to prevent shoplifting |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE8612785U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0680011A1 (en) * | 1992-11-12 | 1995-11-02 | Esselte Meto International Produktions Gmbh | Process of manufacturing safety labels |
-
1986
- 1986-05-10 DE DE19868612785 patent/DE8612785U1/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0680011A1 (en) * | 1992-11-12 | 1995-11-02 | Esselte Meto International Produktions Gmbh | Process of manufacturing safety labels |
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