WO2016169656A1 - Système de contrôle et procédé de contrôle - Google Patents

Système de contrôle et procédé de contrôle Download PDF

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Publication number
WO2016169656A1
WO2016169656A1 PCT/EP2016/000651 EP2016000651W WO2016169656A1 WO 2016169656 A1 WO2016169656 A1 WO 2016169656A1 EP 2016000651 W EP2016000651 W EP 2016000651W WO 2016169656 A1 WO2016169656 A1 WO 2016169656A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluctuation
test
magnetic sensor
memory unit
test field
Prior art date
Application number
PCT/EP2016/000651
Other languages
German (de)
English (en)
Inventor
Daniel Bossert
Original Assignee
Daniel Bossert
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 Daniel Bossert filed Critical Daniel Bossert
Publication of WO2016169656A1 publication Critical patent/WO2016169656A1/fr

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/20—Testing patterns thereon
    • G07D7/202—Testing patterns thereon using pattern matching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive

Definitions

  • the invention relates to a test system and a test method for the identification of forgeries or the like as well as for the positive identification of an original.
  • WO 2006/002670 AI for example, a sheet-shaped sheet with pronounced security against counterfeiting known. From such a sheet-shaped sheet goods accompanying documents can be produced. But according to the same principle, the design of a package is possible. In any case, a layer of the sheet material with magnetizable particles is used here, which follows certain patterns
  • the invention has for its object to provide a test system by means of which a fastness test on the one hand high reliability and on the other hand reduced effort is possible.
  • the invention is further based on the object of specifying a reliable test method for a fastness test with good availability.
  • the test system comprises a planar sheet material, a magnetic sensor, a memory unit and a comparison unit.
  • the planar sheet material has, at least in sections, a magnetizable layer and a test field in which the magnetizable layer is magnetized. Within the test field then the magnetization state is read out. A microscopic fluctuation course of this magnetization state is stored in the memory unit.
  • the magnetic sensor is designed to read this already existing microscopic fluctuation course of the magnetization state.
  • the comparison unit is designed to check the fluctuation profile measured by means of the magnetic sensor with the fluctuation profile stored in the memory unit for conformity.
  • the invention is based on the recognition that an actually occurred
  • Magnetization of the magnetizable layer corresponds to the desired nominal state only in a macroscopic dimension.
  • magnetization distribution shows small, but existing fluctuations this actual magnetization state as a deviation from the target magnetization state. These variations are not due to the magnetization process, but to the random, stochastic distribution of the magnetizable particles on the surface of the sheet material. They thus form a random and non-repeatable "magnetic fingerprint" of each individual arc, which can not be copied in this capacity.
  • such a sheet material can be made into a package, a merchandise accompanying document or the like, but also a product or a semi-finished product thereof.
  • the associated magnetic fingerprint is then stored on the corresponding storage unit, for example in the form of a central server.
  • an additional, in particular visually recognizable identification feature is applied to the sheet-like sheet material, which is also stored in the memory unit and the fluctuation course of the magnetization state associated with the associated test field.
  • the comparison unit is designed, taking into account the said identification feature, an association between the individually read test field and the associated, in the storage unit stored fluctuation history of the magnetization state produce. In this way, it is ensured by simple means that the data sets associated with the same object are compared with one another, without the need for special adjustment measures.
  • Magnetization state along a test track to filter out the above fluctuations and to choose as a reference variable.
  • the magnetized layer is macroscopically uniformly magnetized within the test field.
  • this makes it easier to distinguish between the magnetization fluctuations that are to be taken for the test and the intended target magnetization state.
  • the comparison unit is part of a smartphone, wherein the processor of the smartphone is used with appropriate programming for the implementation of the comparison.
  • the magnetic sensor is expedient part of such a smartphone, which already existing magnetic sensors can be used anyway.
  • the existing in the smartphone camera for detecting the visually identifiable identification feature can be used. It is also possible to record corresponding data from the sheet material by means of the touchscreen present on the smartphone. Overall, the existing Sensor technology of a conventional smartphone for data acquisition of the sheet material to be tested are used without structural changes are required. All you need is a suitable program application.
  • the smartphone also allows the display of supplementary, product-related data.
  • FIG. 1 shows a schematic perspective view of the basic structure of the sheet-like sheet material according to the invention with a substrate and a magnetizable layer applied thereto;
  • FIG. 2 shows in a perspective schematic representation a sheet-shaped sheet produced from the sheet material according to FIG. 1, on which a test field and an optically identifiable identification feature are applied;
  • FIG. 3 in a schematic representation of a made of the sheet of FIG
  • Packaging in interaction with a storage unit and a smartphone, which includes a magnetic sensor and a comparison unit;
  • the sheet material 1 comprises a supporting substrate 5 on which a magnetizable layer 6 is applied.
  • the supporting substrate 5 may be paper, cardboard or the like.
  • plastic, a metallic sheet or other suitable material for forming the substrate 5 is possible within the scope of the invention.
  • the magnetizable layer 6 contains fine and evenly distributed magnetizable particles 11.
  • any materials come into consideration, which can be permanently magnetized.
  • the materials known from data storage such as chromium dioxide, but also neodymium, samarium or other rare earth metals and suitable alloys thereof are used.
  • iron oxide is selected.
  • the particle size of the magnetizable particles is typically 1 ⁇ to 5 ⁇ and in particular 2 ⁇ to 3 ⁇ .
  • the mentioned magnetizable particles 11 are embedded in a binder 10 and thus fixed on the substrate 5.
  • a kaolin / SBR layer is selected, in which the magnetizable particles 11 are embedded.
  • Surface density of the magnetizable particles 11 is advantageously in a range of 0.1 g / m 2 to 1.2 g / m 2 .
  • FIG. 2 shows in a perspective schematic representation a sheet-shaped sheet produced from the sheet material 1 according to FIG. 1, which is provided here only in sections with the above-described magnetizable layer 6 on the substrate 5. But it can also be a full-surface coating with the magnetizable layer 6 appropriate. Within the coated area, a test field 7 is shown, which is smaller here than the magnetizable coated area. But it may also be appropriate that the test field 7 is predetermined by the entire size of a magnetizable coated section. In addition, an additional identification feature 8 is applied to the arc shown, which is only schematically indicated here as a sequence of letters. Of course, you can choose any Character strings, but also barcodes or other optically identifiable identification features 8 may be provided. Alternatively or additionally, non-visually identifiable identification features such as magnetic encodings, RFID devices or the like can be useful.
  • FIG. 3 shows a schematic overview of the test system according to the invention, which comprises the aforementioned sheet-like sheet material 1, a magnetic sensor 2, a memory unit 3 and a comparison unit 4.
  • a goods accompanying document or the like can be produced from the flat sheet material 1.
  • the product itself can be made of the sheet material 1, which is especially true in the case when it is the substrate 5 (Fig. 1) is plastic or a metallic sheet.
  • a schematically indicated packaging 12 is formed from the sheet material 1, on which the test field 7 described above and also the identification feature 8 are accessible from the outside.
  • the test method at first magnetization of the magnetizable layer 6 is performed at least in the region of the test field 7.
  • a macroscopically uniform magnetization state is brought about in the test field 7.
  • the course of the actually achieved magnetization within the test field 7 is measured.
  • a detection of the complete magnetization distribution within the entire surface of the test field 7 can be made. But it may also be sufficient to determine only the course in a test direction, for example in the longitudinal direction of the test field 7.
  • FIG. 4 There, in a diagram representation, the actually measurable magnetic field strength along an axis running through the test field 7 is shown. It can be seen that, macroscopically, a uniform magnetization was achieved, but microscopically of
  • the macroscopically uniform Magnetization can be seen in FIG. 4 in accordance with a dashed straight line as at least approximately constant magnetic field strength along the test track, on which fluctuations of the magnetic field strength are modulated as "ripple".
  • Fluctuations or “ripples” correspond to the random, stochastic distribution of the magnetisable particles 11 on the surface of the sheet material 1 (FIG. 1).
  • the fluctuation profile is individually different for each section of the sheet material 1 and thus forms a random and non-repeatable "magnetic fingerprint” of the respective individual test field 7. This "magnetic fingerprint” can not be copied but read out at any time and even restored if necessary.
  • this characteristic profile of the magnetization state according to FIG. 4 is stored in the central memory unit 3.
  • the corresponding data record is assigned to the optically identifiable identification feature 8.
  • the packaging 12, or more precisely its test field 7 is subjected to a new measurement.
  • the magnetization curve is determined again by means of a magnetic sensor 2 provided at the test location.
  • the microscopic fluctuation profile of the magnetization state shown in FIG. 4 is measured and supplied to the comparison unit 4.
  • a data connection is established, so that the comparison unit 4 also access to the originally determined and stored there
  • Identification feature 8 a correct assignment of old and new measurement data to be checked. In addition, a damage or deletion of the current
  • the illustration according to FIG. 3 also shows that the comparison unit 4 or the magnetic sensor 2 are each part of a smartphone 9.
  • the test field 7 can be measured in a simple manner and also read in the identification feature 8.
  • a data connection to the memory unit 3 can be produced in a simple manner in order to be able to carry out the comparison described above by means of the appropriately programmed smartphone 9.

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

L'invention concerne un système de contrôle comprenant un matériau de feuille plan (1), un capteur magnétique (2), une unité de stockage (3) et une unité de comparaison (4). Le matériau de feuille plan (1) comprend, au moins par endroits, une couche magnétisable (6) ainsi qu'un champ de contrôle (7) dans lequel est magnétisée la couche magnétisable (6). Une évolution microscopique de l'oscillation de l'état de magnétisation de la couche magnétisée (6) à l'intérieur du champ de contrôle (7) est consignée dans l'unité de stockage (3), le capteur magnétique (2) étant configuré pour lire l'évolution microscopique de l'oscillation de l'état de magnétisation de la couche magnétisée (6) à l'intérieur du champ de contrôle (7), et l'unité de comparaison (4) étant configurée pour vérifier la conformité de l'évolution de l'oscillation mesurée au moyen du capteur magnétique (2) avec l'évolution de l'oscillation consignée dans l'unité de stockage (3). Pour un procédé de contrôle, il est prévu qu'en cas de vérification de l'évolution microscopique de l'oscillation de l'état de magnétisation de la couche magnétisée (6) à l'intérieur du champ de contrôle (7), une lecture soit effectuée au moyen d'un capteur magnétique, et qu'une vérification de la conformité de l'évolution de l'oscillation mesurée au moyen du capteur magnétique (2) avec l'évolution de l'oscillation consignée dans l'unité de stockage (3) soit effectuée au moyen d'une unité de comparaison (4).
PCT/EP2016/000651 2015-04-22 2016-04-22 Système de contrôle et procédé de contrôle WO2016169656A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202015002913.2U DE202015002913U1 (de) 2015-04-22 2015-04-22 Prüfsystem
DE202015002913.2 2015-04-22

Publications (1)

Publication Number Publication Date
WO2016169656A1 true WO2016169656A1 (fr) 2016-10-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/000651 WO2016169656A1 (fr) 2015-04-22 2016-04-22 Système de contrôle et procédé de contrôle

Country Status (2)

Country Link
DE (1) DE202015002913U1 (fr)
WO (1) WO2016169656A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11370063B2 (en) 2017-02-17 2022-06-28 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Encoding and identifying a plate-like workpiece

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997030422A1 (fr) * 1996-02-15 1997-08-21 Cummins-Allison Corp. Procede et dispositif d'identification de documents
US5790693A (en) * 1990-02-05 1998-08-04 Cummins-Allison Corp. Currency discriminator and authenticator
WO2006002670A1 (fr) 2004-07-01 2006-01-12 Daniel Bossert Feuille, et procede pour produire des donnees de securite sur cette feuille et verifier ladite feuille
WO2009105040A1 (fr) * 2008-02-19 2009-08-27 Bilcare Technologies Singapore Pte. Ltd. Dispositif de lecture destiné à identifier une étiquette ou un objet prévu pour être identifié, procédés et systèmes apparentés
US20140369590A1 (en) * 2013-06-17 2014-12-18 Ncr Corporation Media authentication

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5790693A (en) * 1990-02-05 1998-08-04 Cummins-Allison Corp. Currency discriminator and authenticator
WO1997030422A1 (fr) * 1996-02-15 1997-08-21 Cummins-Allison Corp. Procede et dispositif d'identification de documents
WO2006002670A1 (fr) 2004-07-01 2006-01-12 Daniel Bossert Feuille, et procede pour produire des donnees de securite sur cette feuille et verifier ladite feuille
WO2009105040A1 (fr) * 2008-02-19 2009-08-27 Bilcare Technologies Singapore Pte. Ltd. Dispositif de lecture destiné à identifier une étiquette ou un objet prévu pour être identifié, procédés et systèmes apparentés
US20140369590A1 (en) * 2013-06-17 2014-12-18 Ncr Corporation Media authentication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11370063B2 (en) 2017-02-17 2022-06-28 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Encoding and identifying a plate-like workpiece

Also Published As

Publication number Publication date
DE202015002913U1 (de) 2015-06-18

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