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EP3743896A1 - Procédé et dispositif d'épreuve pour le contrôle d'authenticité d'objets - Google Patents

Procédé et dispositif d'épreuve pour le contrôle d'authenticité d'objets

Info

Publication number
EP3743896A1
EP3743896A1 EP19702058.9A EP19702058A EP3743896A1 EP 3743896 A1 EP3743896 A1 EP 3743896A1 EP 19702058 A EP19702058 A EP 19702058A EP 3743896 A1 EP3743896 A1 EP 3743896A1
Authority
EP
European Patent Office
Prior art keywords
analysis
authenticity
rfa
test apparatus
objects
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.)
Withdrawn
Application number
EP19702058.9A
Other languages
German (de)
English (en)
Inventor
Ralf Freiberger
Bertram Burkhardt
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.)
Muehlbauer GmbH and Co KG
Original Assignee
Muehlbauer GmbH and Co KG
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 Muehlbauer GmbH and Co KG filed Critical Muehlbauer GmbH and Co KG
Publication of EP3743896A1 publication Critical patent/EP3743896A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
    • G07D5/005—Testing the surface pattern, e.g. relief
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/346—Sorting according to other particular properties according to radioactive properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/2206—Combination of two or more measurements, at least one measurement being that of secondary emission, e.g. combination of secondary electron [SE] measurement and back-scattered electron [BSE] measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
    • G07D5/04—Testing the weight
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
    • G07D5/08—Testing the magnetic or electric properties
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D2205/00—Coin testing devices

Definitions

  • the present invention relates to a method and a test device for the automatic authenticity checking of objects, in particular of coins.
  • the prior art discloses methods and test devices for automatic, and thus mechanically performed, checking of coins in which a visual inspection of the respective coin to be tested is carried out by means of a corresponding test device.
  • the coin is regularly illuminated in a predetermined manner and the resulting image is compared with corresponding reference information corresponding to a genuine and undamaged coin in order to obtain a test result with regard to the authenticity and / or integrity of the coin .
  • EMS electromagnetic sensors
  • the object of the present invention is to further improve the automatic authenticity checking of objects, in particular of coins.
  • a first aspect of the invention relates to a method for automatically checking the authenticity of objects, in particular coins, such as money coins, by means of a testing device.
  • the method comprises: (i) performing an X-ray fluorescence analysis, RFA, of an object to be checked and making a first comparison in which one or more properties of at least one fluorescence spectrum generated in the RFA are compared with assigned first reference information become; (ii) performing a second analysis of the object based on a corresponding second examination method different from the RFA, and making a second comparison in which an examination result obtained in the second analysis is compared with associated second reference information; and (iii) determining an analysis result relating to the authenticity of the object as a function of the results of both the first and second comparisons.
  • RFA X-ray fluorescence analysis
  • an "automatic authenticity check" of an object means an examination of the object carried out by means of a machine in the form of the test device with regard to whether it is authentic or not. Authenticity here means authenticity in the sense of "found as original”.
  • X-ray fluorescence analysis also called X-ray fluorescence spectroscopy (RFS) (X-ray fluorescence spectroscopy, XRF spectroscopy) is a method from the material analysis based on X-ray fluorescence, in which a material sample, in this case an object, by X-ray gamma - or ion radiation is excited, being released by subsequent secondary processes released energy in the form of element-specific fluorescence radiation. This fluorescence radiation can be evaluated by a radiation detector.
  • the X-ray fluorescence analysis basically enables identification and concentration determination. tion of most chemical elements in a material sample in a wide variety of compositions.
  • first "reference information" to be compared within the scope of the invention with a fluorescence spectrum generated in the case of the RFA are information or data associated with the object to be checked or corresponding object type (or object type) and the technical features or characterize resulting properties of an original of this object which are suitable for use in testing for similarity to the fluorescence spectrum generated in the RFA.
  • the first reference information may in particular itself describe a reference fluorescence spectrum or one or more specific characteristic features thereof, such as the occurrence, the length-related or frequency-related position as well as the amplitude and / or width of certain maxima or minima of the spectrum.
  • the second analysis of the object on the basis of a corresponding second examination method which differs from the RFA, such as a specific visual inspection or an EMS analysis, thus provides, in addition to the result of the RFA on the basis of the first comparison, another, not the In the second comparison, corresponding (second) reference information is used for the correspondingly selected examination method in order to check the authenticity of the object.
  • this (second) reference information may in particular characterize characteristic features of an image of the checked view of an original object, such as the spatial position of certain characteristic surface properties, such as embossing of the object, brightness to be expected for a given illumination. , Contrast and / or Color Distributions, etc.
  • the (second) reference data can describe expected measurements or traces corresponding to the measurement of an original object, with which the EMS measurement results generated for the EMS analysis of an initially unknown object Purposes of authenticity verification can be adjusted.
  • a check of the object takes place by means of at least two different examination methods, of which at least one RFA is used to determine a chemical composition of the examined objects.
  • the result of the authentication is then based on both the result of the RFA analysis and the result of the review determined with the at least one further, different investigation method.
  • the method further comprises: (i) detecting the type, condition or at least one predetermined property of the object to be inspected; and (ii) performing the first and / or the second analysis in dependence on the result of that detection.
  • the detection step (i) can be carried out in particular by means of a sensor device of the test device.
  • a selection and / or adaptation of the examination methods used for the first and / or the second analysis is thus effected as a function of the type determined in the detection step (i), the state or at least one predetermined property of the object.
  • this can advantageously be used to automatically select an optimized set of examination methods as well as their optimized setting with regard to the object to be checked.
  • a purely manual selection or setting via a corresponding man-machine interface or a combination of both variants are possible. For example, it may be advantageous to perform an EMS method for certain coin types in addition to the RFA as the second method of investigation, whereas for other coin types which have a different material composition, a visual inspection may be preferable to an EMS analysis.
  • the selection of the radiation energy, in particular the excitation energy for the generation of X-ray radiation for the RFA can depend on a type of object previously detected in the detection step, for example coin type (eg currency, Nominal value, coin generation, etc.).
  • the selection or setting of the examination methods to be used can, in particular, be carried out by means of a comparison of the results of the acquisition step with a data item.
  • suitable, optimized combinations or settings of corresponding examination methods can be provided in each case by means of corresponding data.
  • the detection of the type, state or at least one predetermined property of the object to be checked is performed as a sub-process of the first and / or second analysis itself.
  • the detection of the type, state or at least one predetermined property of the object to be checked is performed as a sub-process of the first and / or second analysis itself.
  • the second assay method is selected from a number of available assay methods depending on the outcome of the acquisition.
  • the test apparatus is thus set up to carry out various examination methods, and the decision as to which of these examination methods is used in addition to the RFA as a second analysis, at least partially automatically, depending on the result of the detection step, so in the case of coins, for example, depending on thereby recognized coin type.
  • At least one property of the X-ray radiation used in the XRF is determined as a function of the result of the detection, that is to say of the detection step.
  • the property of the X-ray radiation to be determined can relate, in particular, to its wavelength or frequency (energy) ranges, their intensity, and / or the main radiation direction of the X-ray beam or a combination of at least two of the aforementioned. This can be used, in particular, to select the radiation energy of the X-ray radiation as a function of the detected object type, since in the case of XRF an optimum range of X-radiation is regularly measured with regard to the wavelength or frequency (energy) as a function of the chemical to be detected Select elements or connections in order to obtain optimized measurement results.
  • the intensity of the X-ray radiation is set as a function of an expected emission spectrum of the material of the object to be examined such that the intensities of the spectrum of the fluorescence radiation to be detected by sensors correspond to the needs and limitations of the corresponding radiation sensor for recording the Spectrum are adjusted.
  • the object is subjected to RFA and / or the second analysis only from a spatial side. In the case of a coin, this may in particular correspond to an analysis of only one major side of the coin (for example, reverse or reverse).
  • Analyzer must be placed in various positions, and / or vice versa, whereby the complexity of the test apparatus kept low and can be avoided with such changes in position associated loss of efficiency.
  • the object is subjected to at least two, in particular opposite, different sides from the RFA and / or the second analysis.
  • the quality and reliability of the authenticity check can be further increased, as properties of more than one side of the object are included in the analysis, and thus a higher level of discrimination can be achieved for distinguishing real and counterfeit objects.
  • the method further comprises selective ejection of the inspected object depending on the determined analysis result regarding the authenticity of the object and / or on at least one of the following aspects detected in the authentication: the nature, a condition, or at least at least one predetermined property of the object.
  • the method further comprises selective ejection of the inspected object depending on the determined analysis result regarding the authenticity of the object and / or on at least one of the following aspects detected in the authentication: the nature, a condition, or at least at least one predetermined property of the object.
  • a further sorting for example according to the object type, or a degree of damage or contamination recognized during the check can additionally take place for at least one of the two cases.
  • the second method of investigation is one of the following: (i) visual inspection; (ii) inspection by means of an electromagnetic sensor device, EMS; (iii) weight, mass or mass density determination; (iv) Secondary Ion Mass Spectroscopy; (v) Scanning Electron Microscopy, SEM.
  • the visual or optical inspection can take place in particular by means of image recognition and / or laser inspection.
  • the visual or optical inspection comprises irradiating the object with light (a) along, at least substantially, a single irradiation direction, (b) by means of a light dome, or (c) by means of a ring lighting; and detecting the light reflected thereby each from the object.
  • All mentioned variants usually lead to different lighting conditions, so that the most advantageous can be selected and used depending on the object to be checked.
  • at least one of the following sub-processes of the authenticity check by the testing device takes place in a clocked manner according to a clock signal: object feed, first analysis, second analysis, object rejection. In particular, it is expedient to perform all sub-processes of the authenticity check clocked in this manner.
  • the clock can be variably adjusted depending on the type or state or other properties of the objects to be checked, which can be used in particular to minimize the test time and thus to optimize the efficiency.
  • the clock may thus depend, for example, on the type of the second and possibly further investigation methods, or also on the type of objects to be examined, since the analysis times required for their checking depend on their type, (and / or state or other properties) can.
  • a second aspect of the invention relates to a test device for checking the authenticity of objects, in particular coins, such as money coins, wherein the test device is set up to carry out the method according to the first aspect of the invention.
  • the test apparatus may be configured to carry out the method according to one or more of the embodiments of the inventive method described herein.
  • this has a modular structure with two or more modules, of which a first module for performing the RFA, a second, different, module for carrying out the second examination method, and optionally further modules each for Implementation of a respective further investigation method are configured.
  • a modular construction of the test apparatus may be advantageous in several respects.
  • a repair, adjustment, calibration, etc. of the individual examination methods or devices and their separate implementation without affecting the other examination methods or test devices easier or even possible.
  • the modular design also creates the possibility of integrating test modules of different manufacturers simultaneously and variably in the test arrangement and of using them to carry out the authenticity check of objects.
  • the test apparatus is arranged to simultaneously analyze two or more objects in the context of the authenticity check. This can be achieved, in particular, by designing the test apparatus to be multi-lane, at least in sections, so that a parallelized feeding, analysis and / or discharge of two or more objects to be checked is made possible in a simul taneous manner. In this way, in particular an efficiency gain, in particular with regard to the throughput, i. the number of objects that can be checked per unit time, achievable.
  • the test apparatus further comprises a sorting device for selectively removing the objects analyzed in the context of the authenticity check as a function of their result and / or of at least one of the following aspects detected during the authenticity check: the nature of a state, or at least a predetermined property of the object.
  • the test apparatus has a control device which is set up to control an X-ray source used for the RFA such that at least one property of the X-radiation used in the XRF, in particular its wavelength, frequency or energy and / or intensity or main radiation direction , is variably adjustable.
  • the test apparatus also has an output device, which can be designed in particular by means of a human-machine interface and / or a data interface, and which is configured to display one or more results of the first analysis, the second analysis, optionally output one or more further analyzes of the object, and / or the authenticity check of the object as a whole.
  • the test results can be communicated to a human operator and, on the other hand, transmitted via the data interface to other processes or machines, so that they can be used there.
  • a corresponding device connected downstream of the authenticity check, automatic destruction or destruction of objects identified as counterfeit and marked as such by means of the output data takes place as a function of the output test results.
  • FIG. 1 shows schematically a test device according to an embodiment of the present invention
  • FIG. 2 shows a flowchart for illustrating an embodiment of the method according to the invention.
  • the test device 1 according to an embodiment of the invention shown in FIG. 1 has a pedestal in the form of a frame 3 that can be moved on wheels 2.
  • On the frame 3, four analysis modules 4a to 4d are arranged by way of example, each of which is set up to analyze objects to be tested, which in the present example should be coins, in accordance with an associated examination method with regard to an authenticity check.
  • the analysis module 4a is set up for visual inspection of the coins, these being irradiated by means of a light dome so that a diffuse reflection of the light at the surface of the irradiated coin is produced and analyzed and analyzed for the purpose of the analysis. Such an analysis by means of light-beam irradiation is particularly suitable, in particular for surface and / or color inspection of already used coins.
  • the analysis module 4b is also set up to visually inspect the coins, but these are coaxial, i. H.
  • the analysis module 4c is arranged to subject the coins to electromagnetic analysis, EMS, and is accordingly equipped with EMS sensor technology.
  • the EMS analysis can be used to test the coins for alloys contained therein, as they are often distinguishable by their electromagnetic properties.
  • the analysis module 4d is finally set up to examine the coins by means of an X-ray fluorescence analysis (XRF), which allows detailed conclusions to be drawn on the type and concentration of the chemical elements contained in the coins, on the basis of which a distinction is made between genuine and counterfeit coins in many cases becomes possible.
  • XRF X-ray fluorescence analysis
  • the test apparatus 1 has a supply device 6, which in particular as a magazine loading device for receiving one or more coin magazines, in where the coins to be tested are introduced in advance can be formed.
  • the test apparatus 1 has a discharge device 7, which in turn has a plurality of discharge compartments, in the example shown in FIG. 1 the compartments 7 a, b, and one between the supply device 6 and the discharge device 7 and between them by the various analysis modules leading transport device (not shown).
  • the transport device which may be formed by means of one or more conveyor belts, serves to transport the coins to be tested through the test device 1 along the transport direction indicated in FIG. 1 by means of arrows.
  • the test device 1 finally has a control unit 5, which is configured to control the test device 1 in a clocked manner so that the transport device removes the coins to be checked serially one after the other from the supply device 6, and the previously for carrying out the 2), and finally, by means of the discharge device 7, selectively deposit the checked coins in accordance with the overall result of the respective check into a discharge compartment 7a or 7b assigned to the overall result.
  • a control unit 5 configured to control the test device 1 in a clocked manner so that the transport device removes the coins to be checked serially one after the other from the supply device 6, and the previously for carrying out the 2), and finally, by means of the discharge device 7, selectively deposit the checked coins in accordance with the overall result of the respective check into a discharge compartment 7a or 7b assigned to the overall result.
  • all of the aforementioned steps take place in the predetermined cycle.
  • this only applies to individual steps and, for example, by means of corresponding object buffers, it is made possible for individual steps or step sequences of the method to run
  • test apparatus 1 can still be configured, the overall result of the check, preferably together with partial results of the individual analyzes of the analysis modules 4a to 4d involved in the check, on the monitors 8a and / or 8b serving as human-machine interface parts issue.
  • an output via a data interface 5 a is also possible, which can be designed in particular on the control unit 5.
  • FIG. 2 is a flow chart illustrating an embodiment of the method according to the present invention, which will be explained with reference to the test apparatus 1 shown in FIG. 1 for the purpose of better illustration, but without limitation.
  • the method comprises a step S1 in which items to be checked, which are to be checked in a magazine, which in turn are coins in the example discussed here, are fed to the first analysis module 4a in a serial manner by means of the magazine loader 6.
  • a plurality of transport and test tracks for the simultaneous testing of two or more coins can also be provided in the test apparatus 1, whereby the efficiency of the test apparatus 1 or of the method can be correspondingly increased, in particular multiplied.
  • a visual analysis of the object to be checked takes place by means of image recognition on the basis of a matching with associated image reference information.
  • the coin type generally object type
  • the coin is illuminated by means of a light dome with light in the visible part of the electromagnetic spectrum, and the resulting diffuse reflection is evaluated by means of the image recognition and the image reference information assigned to the recognized coin type.
  • the reference information may in particular be retrieved from a corresponding database which may be located in the test apparatus 1, or via a communication connection from an external source, such as a server.
  • the result of this visual analysis is a first partial result of the authenticity check of the coin.
  • step S3 which is optional as well as the subsequent step S4, depending on whether detected in step S2 object type or coin type, if and which of the other provided by the test apparatus 1 by means of the further analysis modules 4b to 4d investigation methods in Framework of the authenticity check of the coin should be used. For example, it could be determined here that, in addition to the visual analysis already carried out by the analysis module 4a, an EMS analysis by means of the analysis module 4c and an RFA by means of the analysis module 4d are also to be carried out.
  • the subsequent step S4 the further analysis, in the present example, of the EMS analysis by means of the analysis module 4c is accordingly carried out in order to obtain a second partial result of the authenticity check of the coin.
  • one or more X-ray radiation parameters of an X-ray source of the X-ray analysis module 4d are then set as a function of the known type of coin.
  • the parameters of the X-ray source are thus adapted to the known for the corresponding coin type chemical composition so that the X-radiation is capable of, preferably optimized, the required for the RFA-based verification of the coin coin-type fluorescence spectrum when irradiating the coin to be tested with stimulate X-rays as well as possible.
  • an RFA examination of the coin to be checked is then carried out by means of the RFA analysis module, to which end the resulting fluorescence radiation with associated fluorescence reference information, which can in particular describe a reference fluorescence spectrum for the identified type of coin is adjusted in order to obtain a third partial result based on this
  • step S7 which is preferably carried out by the control unit 5
  • an evaluation of the three partial results of the previous analyzes according to steps S2, S4 and S6 is carried out to determine an overall result with regard to the authenticity of the coin analyzed.
  • the coin is then, depending on the overall result, in particular whether the coin was recognized as genuine or as a forgery, and optionally additionally depending on the detected in step S2 object type, an ejection of the coin in one of several output compartments 7a and 7b made.
  • step S9 the overall result regarding the authenticity of the coin analyzed is output on a man-machine section and / or the data interface 5a of the test apparatus 1. In the case of the test apparatus 1 according to FIG.
  • the monitors 8a and / or 8b can represent these human-machine cut parts.
  • the partial results of the individual analyzes can optionally also be output. While at least one exemplary embodiment has been described above, it should be understood that a large number of variations exist. It should also be understood that the described exemplary embodiments are nonlimiting examples only, and it is not intended to thereby limit the scope, applicability, or configuration of the devices and methods described herein. Rather, the foregoing description will provide those skilled in the art with a guide to implementing at least one example embodiment, it being understood that various changes in the operation and arrangement of the elements described in an exemplary embodiment may be made without departing from the scope of the invention derogated from the appended claims and its legal equivalents. LIST OF REFERENCE NUMBERS

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

L'invention concerne un procédé ainsi qu'un dispositif d'épreuve pour le contrôle automatique d'authenticité d'objets, comme en particulier des pièces de monnaie, au moyen d'un dispositif d'épreuve. Le procédé consiste : à mettre en œuvre une analyse de fluorescence aux rayons X (RFA) d'un objet à contrôler et à procéder à une première comparaison lors de laquelle une ou plusieurs propriétés d'au moins un spectre de fluorescence produit lors de la RFA sont comparées à de premières informations de référence associées ; à mettre en œuvre une deuxième analyse de l'objet sur la base d'une deuxième méthode d'inspection correspondante différente de la RFA ainsi qu'une deuxième comparaison, lors de laquelle un résultat d'inspection obtenu lors de la deuxième analyse est comparé à de deuxièmes informations de référence associées ; et à déterminer un résultat d'analyse concernant l'authenticité de l'objet en fonction des résultats de la première comparaison comme de la deuxième comparaison. Le dispositif d'épreuve sert à conduire le procédé de manière correspondante.
EP19702058.9A 2018-01-26 2019-01-24 Procédé et dispositif d'épreuve pour le contrôle d'authenticité d'objets Withdrawn EP3743896A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018201204.0A DE102018201204A1 (de) 2018-01-26 2018-01-26 Verfahren und Prüfvorrichtung zur Echtheitsüberprüfung von Objekten
PCT/EP2019/051779 WO2019145439A1 (fr) 2018-01-26 2019-01-24 Procédé et dispositif d'épreuve pour le contrôle d'authenticité d'objets

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EP3743896A1 true EP3743896A1 (fr) 2020-12-02

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US (1) US20200349791A1 (fr)
EP (1) EP3743896A1 (fr)
DE (1) DE102018201204A1 (fr)
WO (1) WO2019145439A1 (fr)

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EP4632364A1 (fr) * 2024-04-10 2025-10-15 OTID S.r.l. Procédé de génération d'une identité numérique

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US20200349791A1 (en) 2020-11-05
WO2019145439A1 (fr) 2019-08-01

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