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WO2017182479A1 - Dispositif et procédé de surveillance de caractéristiques de sécurité en couleur - Google Patents

Dispositif et procédé de surveillance de caractéristiques de sécurité en couleur Download PDF

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Publication number
WO2017182479A1
WO2017182479A1 PCT/EP2017/059205 EP2017059205W WO2017182479A1 WO 2017182479 A1 WO2017182479 A1 WO 2017182479A1 EP 2017059205 W EP2017059205 W EP 2017059205W WO 2017182479 A1 WO2017182479 A1 WO 2017182479A1
Authority
WO
WIPO (PCT)
Prior art keywords
packaging
color
wavelength
light
security
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.)
Ceased
Application number
PCT/EP2017/059205
Other languages
German (de)
English (en)
Inventor
Bernhard Gruber
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.)
QUISS Qualitaets InspektionsSysteme und Service GmbH
Original Assignee
QUISS Qualitaets InspektionsSysteme und Service 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=58609393&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2017182479(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by QUISS Qualitaets InspektionsSysteme und Service GmbH filed Critical QUISS Qualitaets InspektionsSysteme und Service GmbH
Priority to EP17718885.1A priority Critical patent/EP3446294B1/fr
Publication of WO2017182479A1 publication Critical patent/WO2017182479A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • G07D7/06—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 using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/1205—Testing spectral properties

Definitions

  • the present invention relates to a device for checking a color security feature produced by means of a security ink on a packaging or packaging component according to claim 8 for a method for checking at least one color security feature produced on the packaging or packaging component by means of a security ink , according to claim 14 on a computer program product for carrying out a method according to the invention and according to claim 15 on a use of a special camera in a method according to the invention.
  • Security features are created on objects where e.g. the origin should be ensured. This can e.g. then be the case, if the respective object allows a certain authorization.
  • the beverage industry has, for example, defined beverage containers with a deposit, which must first be paid by the purchasers of the beverage containers, the paid deposit being refunded upon the return of the beverage container.
  • the beverage container for reasons of practicability can be purchased from a first dealer and returned to a second dealer and very many different beverage containers can be burdened with the pledge, the potential number of participants on the part of dealers, manufacturers and end users is very large. It has been shown that criminal persons try to exploit such systems, in which they want to copy the pledge entitlement or through fake pledge entitlements the deposit system to withdraw money in an inadmissible manner.
  • the publication WO 2008/067889 A1 discloses a device for reading out and analyzing a security sign, comprising a color image sensor and illumination for spectral light and illumination for infrared light.
  • the color image sensor has an integrated or external computer including image processing software.
  • the color image sensor checks the valid spectral waveband of a pictorial representation, and any other invalid spectral wavebands are considered false during the test. Further, a signal from the computer connected to the color image sensor and delivers data to the control computer of a redemption unit, such that it causes it to reject a package with a false or falsified security symbol.
  • This method is disadvantageous because there are first imitations of safety signs in which the detected spectral waveband is not considered false.
  • a device for checking a color security feature produced by means of a security ink in particular on a packaging or a packaging component, preferably a beverage package, such as e.g. a can, a bottle, in particular a PET bottle, or any other container, or on a means of payment or identity document, e.g. a passport, driver's license or ticket, such as Airplane ticket, concert ticket, etc., solved.
  • a security ink in particular on a packaging or a packaging component, preferably a beverage package, such as e.g. a can, a bottle, in particular a PET bottle, or any other container, or on a means of payment or identity document, e.g. a passport, driver's license or ticket, such as Airplane ticket, concert ticket, etc., solved.
  • Such a device preferably comprises at least one illumination device for broadband illumination of at least a portion of the packaging or the packaging component, a camera device for detecting a plurality, in particular at least five, shots of the color security feature of the packaging or the packaging fraction during illumination of the packaging or the packaging component by means of the illumination device, each of the receptacles representing a quantity of reflected light of a predetermined wavelength, the wavelength being different from one another at least in terms of the images and being in a color change interval of the security color, and an evaluation device for determining the amount of reflected light per captured image and for matching the detected values or a mathematical preparation of the detected values with a reference criterion and for outputting it result value or result signal depending on the adjustment.
  • This solution is advantageous since a specific property of the security color, namely the change in the degree of reflection as a function of the respective wavelength, can be detected very precisely and repeatably and used as a security criterion. Namely, it has been recognized that the change of the reflectance in response to a change in the wavelength of the emitted light in a color change interval forms a special characteristic course. This course can be detected within a very short time by means of a camera device and evaluated by means of the associated evaluation device.
  • a color is designated as a security color whose reflection behavior is known at different wavelengths at least in the region of the transition between absorption, reflection and transmission.
  • a security ink preferably has monitored and controlled output color particles and components.
  • Broadband illumination is preferably to be understood as meaning at least substantially uniform illumination with light of the wavelengths whose reflected light is detected by the camera device.
  • detection of the amount of reflected light is performed for a first wavelength
  • detection of the amount of reflected light is preferably performed for a second wavelength
  • detection of the amount of reflected light is preferably performed for a third wavelength
  • detection is preferred for a fourth wavelength
  • the numerically adjacent wavelengths i. e.g. Wavelength 1 and wavelength 2 or wavelength 2 and wavelength 3 or wavelength 3 and wavelength 4 each have a predefined wavelength range apart.
  • the predefined wavelength range between all or several mutually adjacent wavelengths is preferably equal in magnitude.
  • the individual predefined wavelength ranges have different sizes.
  • the individual emitted light quantities are preferably characterized by the respectively same intensity and / or energy. According to the invention, however, the individual amounts of light may be characterized by different intensities and / or energies.
  • the properties associated with each light quantity are preferably stored in the evaluation device and are particularly preferably further processed in standardized form for evaluation.
  • a color change interval is preferably to be understood as meaning a wavelength range in which the proportion of the reflected light changes significantly with increasing wavelength.
  • the reference criterion defines a range of values or data that maps predetermined deviations from ideal reflection data.
  • the ideal reflection data according to the present invention are hereby preferably to be understood as product properties of the ideally composed security ink.
  • the deviations are preferably determined in such a way that, for example, tolerable reflection values for the individual defined wavelengths result from permissible deviations resulting from the ideal composition of the security ink.
  • This embodiment is advantageous because very precise tolerance ranges can be defined. Such tolerance ranges are required because the security feature may be altered as a result of use or contamination or environmental conditions, such as sunlight exposure, from a condition immediately after generation.
  • the mathematical processing corresponds to the first derivative of a function generated from the detected values.
  • This embodiment is advantageous since, in terms of process technology, the totality of the detected values or a specific selection of the detected values can be made so manageable that a result value which in particular describes the highest slope of the curve defined by the values can be determined for the adjustment.
  • the highest slope of the mathematical function generated from the values is thereby preferably determined or output or further processed with reference to the reflected light quantity and / or to the wavelength at this point.
  • the mathematical processing of the second derivative may correspond to a function generated from the detected values.
  • the camera device is preferably designed in accordance with a further preferred embodiment of the present invention such that the recordings can be recorded at the same time. This can be done, for example, by virtue of the fact that several cameras are part of the camera device, wherein one or exactly one or at least one camera is preferably provided for each value to be detected.
  • each camera is provided with a filter that detects the light detected by the respective camera limits a predetermined wavelength or a predetermined wavelength range.
  • the camera may be formed as a hyperspectral camera, which allows capturing for predetermined wavelengths.
  • at least or exactly 5 or at least or exactly 9 or at least or exactly 16 or at least or exactly 25 or at least or exactly 30 detections with the camera device are possible at the same time.
  • you can the camera device may be configured such that the recordings are generated in time by less than ⁇ ⁇ or less than 500 ⁇ or less than 300 s or less than 200MS or less than 100 s or less than 50 ⁇ offset.
  • the illumination device and the camera device can be operated in dependence on one another in accordance with a further preferred embodiment of the present invention.
  • the illumination device preferably has a plurality of illumination means, in particular LED lamps and / or halogen lamps.
  • the individual lighting means or groups of lighting means are individually controllable, in particular in a predetermined order.
  • a hyper or ultispectral camera device or an RGB camera device or gray scale cameras with optical filters is used as the camera device.
  • the respective camera device is particularly preferably designed such that a plurality of acquisitions can be made at the same time or in a short sequence.
  • a food packaging take-back device or a food packaging printing device which comprises at least one device for checking a color security feature produced by means of a security ink, in particular on a packaging or packaging additive, preferably a beverage packaging, such as a can, a bottle , in particular PET bottle, or another container.
  • Such a device preferably comprises at least one illumination device for broadband illumination of at least a portion of the packaging or the packaging component, a camera device for detecting a plurality, in particular at least five, shots of the color security feature of the packaging or the packaging fraction during illumination of the packaging or the packaging component by means of the illumination device, wherein each of the recordings represents an amount of reflected light of a predetermined wavelength, the wavelength being different from each other at least in the five exposures and being in a color change interval of the security color and ever detecting an evaluation device for determining the amount of reflected light Recording and matching the recorded values or mathematical processing of the recorded values with a reference criterion ben a result value or result signal depending on the adjustment.
  • the present invention relates to a method for checking at least one color security feature produced by means of a security color, in particular on a packaging or a packaging component or on a means of payment or identity document, such as a passport, driver's license or ticket, such as plane ticket, concert ticket,
  • the method according to the invention preferably comprises at least the following steps: illuminating the packaging or the packaging component with light of different wavelengths, detecting the reflected light quantity with respect to at least five predetermined wavelengths, wherein the wavelengths are different from each other at least with respect to a plurality of, in particular at least five, images and lie in a Farbumschlagsintervall the security color, matching the amount of light detected per predetermined wavelength or mathematical processing generated therefrom with a reference criterion, outputting a signal or value as a function of the adjustment, the signal or the value being representative of a deviation from the reference criterion or matching the reference criterion determined during the adjustment.
  • a packaging additive in the sense of the present invention may be, for example,
  • At least the majority of the wavelengths detected with respect to the respectively reflected light quantity lie in the color change interval, wherein at least or at most 80% of the light emitted in the corresponding wavelength is reflected in the color change interval in a first end of the range and in a second end Less than or more than 20% of the light emitted in the respective wavelength is reflected.
  • This embodiment is advantageous in that the range of color change interval to be examined can be further limited in itself, e.g. a slope peak can be determined and used for comparison with a reference criterion.
  • the first end of the range is according to another preferred embodiment of the present invention by at least or up to 20nm and preferably at least 30nm and more preferably at least 40nm from the second end of the range spaced, the second end of the range is preferably in the near infrared range.
  • the first end of the range and the second end of the range may be up to or more than 50nm, 60nm, 70nm, 80nm, 90nm, 100nm, 120nm, 140nm, 160nm, 180nm, 200nm, 250nm.
  • the security feature has at least one further color, wherein for the further color likewise illumination of the packaging or packaging component with light of different wavelengths, detection of the reflected light quantity with respect to at least five predetermined wavelengths, the wavelength at least with respect to the five recordings are different from each other and are in a color change interval of the second color, an adjustment of the light quantity detected per predetermined wavelength or a mathematical preparation generated therefrom with a reference criterion and an output of a signal or value depending on the adjustment. It is preferably checked whether an adjustment with respect to a color or all adjustments or none of the adjustments has led to a match with the reference criterion.
  • the further or second color is preferably also a security color.
  • At least the majority of the wavelengths detected with respect to the reflected light quantity are in a wavelength range, in particular a color change interval, characterized in that in a first range end at least 80% of that in the corresponding wavelength emitted light is reflected and reflected in a second end of the range less than 20% of the emitted light in the corresponding wavelength.
  • the present invention may relate to an apparatus for carrying out a method mentioned above.
  • the present invention relates to a computer program product for performing a method according to one of claims 8 to 12 and / or to a use of at least one hyper or multi-spectral camera unit for detecting the according to a method according to any one of claims 8 to 12 detected reflected light quantity with respect to the plurality, in particular at least five, of the predetermined wavelengths.
  • the reference criterion may additionally or alternatively define a value or data area which maps predetermined deviations from ideal reflection data of the color of the security feature.
  • the mathematical processing of the first derivative corresponds to a function generated from the detected values
  • the mathematical preparation of the second derivative preferably corresponds to a function generated from the detected values.
  • the use of the words "substantially” preferably defines a deviation in the range of 1% -30%, in particular of 1% -20%, in particular of 1% -10, in all cases in which these words are used in the context of the present invention %, in particular from 1% -5%, in particular from 1% -2%, of the definition that would be given without the use of these words.
  • FIG. 2 shows an illustration of a value detection according to the invention in FIG.
  • Fig. 3 is a schematic representation of an apparatus for checking a color security feature.
  • FIG. 1 shows a coordinate system with two curve progressions 10, 12 shown therein by way of example.
  • the first curve 10 represents the reflection behavior of a security color and the second curve 12 preferably represents the reflection behavior of a further color.
  • the horizontal axis stands for the increase of the wavelengths, ie the wavelengths of the light which is detected at the respective axis point or the respective measuring point. It should be understood that the curve is composed of a plurality of measuring points, with the minimum number of measuring points preferably being 5.
  • the left vertical axis indicates the degree of reflection. In other words, R100 stands for 100% absorbed light and R0 is an example for 0% absorbed light.
  • the right vertical axis stands for the transmission, which preferably changes in direct dependence on the absorption.
  • the reference numeral 14 denotes a color change interval of the first curve 10.
  • Color change is understood to mean a characteristic curve of the reflection coefficient over the wavelengths considered, as shown in FIGS. 1 and 2 of the invention.
  • the color change interval extends between a first region end 16 and a second region end 18.
  • the security color and the further color can have a very similar reflection course except for the color change interval.
  • the utilization according to the invention of the color change interval 14 resulting individually for each color makes it possible to handle the special properties of the security ink.
  • a plurality of values (14.1-14.12) are detected by which the course of the curve 10 is determined.
  • the multiple values 14.1-14.12 are detected for specific or predetermined wavelengths.
  • the individual wavelengths are to be understood as corresponding wavelength intervals which correspond in particular to the emission behavior of a corresponding LED diode.
  • the detected reflection values or a mathematical preparation of the detected reflection values is preferably matched with a reference criterion.
  • the acquired values are transferred into a mathematical function.
  • the mathematical function is used to determine e.g. determine the wavelength at which the largest slope of the curve 10 occurs.
  • the largest slope of the curve can be stored here, for example, as a reference criterion. If a sufficiently exact match of the recorded values or the mathematical processing of the values with the reference criterion is determined, then the safety criterion is evaluated as valid.
  • FIG. 3 schematically shows a device 1 according to the invention.
  • This device 1 according to the invention preferably has an illumination device 6, in particular for the defined emission of predetermined wavelengths.
  • a camera device 8 is preferably provided, which can be constructed, for example, as a hyper- or multi-spectral camera or as an array of a multiplicity of cameras, in particular gray scale cameras with color filters for the respective wavelength of light.
  • the reflection values detected by the camera device 8 are preferably transmitted via a signal and / or data connection 10.
  • a cable- or board-based line transmitted to an evaluation device 12.
  • a package 4 is shown, which may be formed, for example, as a can or PET bottle.
  • the packaging 4 in this case has a color security feature 2, which is preferably defined to the illumination device 6 and / or the camera device 8 by means of an alignment device, not shown, can be aligned.
  • the light emitted by the illumination device 6 therefore initially strikes the security feature 2 and reflected portions of the light are detected by the camera device 8.
  • the present invention thus relates to a device 1 for checking a color security feature 2 produced by means of a security ink on a packaging 4 or a packaging additive, in particular a beverage packaging.
  • the device comprises at least one illumination device 6 for illuminating at least a portion of the packaging 4 or the packaging component, a camera device 8 for detecting a plurality, in particular at least five, shots of the color security feature 2 of the packaging 4 or the packaging fraction during illumination the packaging 4 or the packaging component by means of the illumination device 6, wherein each of the recordings represents a quantity of reflected light of a predetermined wavelength, the wavelength being different from one another at least in terms of the images and being in a color change interval 14 of the security color, and an evaluation device 12 for determining the amount of reflected light per captured image and for matching the detected values or a mathematical preparation of the detected values with a reference criterion and outputting a result value or result signal depending on the adjustment.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Image Processing (AREA)

Abstract

L'invention concerne un dispositif (1) destiné à vérifier une caractéristique de sécurité en couleur (2), produite au moyen d'une couleur de sécurité (2), sur un emballage (4) ou un accessoire d'emballage, en particulier un emballage de boissons. Le dispositif de l'invention comprend de préférence au moins un moyen d'éclairage (6) destiné à éclairer à large bande au moins une partie de l'emballage (4) ou de l'élément d'emballage, un moyen formant caméra (8) destiné à prendre une pluralité d'images, en particulier au moins cinq images, de la caractéristique de sécurité en couleur (2) de l'emballage (4) ou de la partie d'emballage pendant l'éclairage de l'emballage (4) ou de l'élément d'emballage au moyen du dispositif d'éclairage (6), chacune des images représentant une quantité de lumière réfléchie d'une longueur d'onde prédéterminée, les longueurs d'onde étant différentes les unes des autres au moins en ce qui concerne les images et étant situées dans un intervalle de changement de couleur (14) de la couleur de sécurité, et un moyen d'évaluation (12) destiné à déterminer la quantité de lumière réfléchie pour chaque image prise, comparer les valeurs détectées ou un traitement mathématique des valeurs détectées avec un critère de référence et délivrer une valeur de résultat ou un signal de résultat en fonction de la comparaison.
PCT/EP2017/059205 2016-04-18 2017-04-18 Dispositif et procédé de surveillance de caractéristiques de sécurité en couleur Ceased WO2017182479A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17718885.1A EP3446294B1 (fr) 2016-04-18 2017-04-18 Dispositif et procédé de surveillance de caractéristiques de sécurité en couleur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016004662.7 2016-04-18
DE102016004662.7A DE102016004662A1 (de) 2016-04-18 2016-04-18 Vorrichtung und Verfahren zum hochauflösenden Überwachen von farblichen Sicherheitsmerkmalen

Publications (1)

Publication Number Publication Date
WO2017182479A1 true WO2017182479A1 (fr) 2017-10-26

Family

ID=58609393

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/059205 Ceased WO2017182479A1 (fr) 2016-04-18 2017-04-18 Dispositif et procédé de surveillance de caractéristiques de sécurité en couleur

Country Status (3)

Country Link
EP (1) EP3446294B1 (fr)
DE (2) DE102016004662A1 (fr)
WO (1) WO2017182479A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022112225A1 (de) 2022-05-16 2023-11-16 insensiv GmbH Leergutrücknahmeautomat sowie Beleuchtungsmodul und Betriebsverfahren hierfür

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006050367A2 (fr) * 2004-11-01 2006-05-11 Visualant, Incorporated Procedes et systemes d'authentification d'objets par spectre total des couleurs
WO2006097712A1 (fr) * 2005-03-15 2006-09-21 Kiz Llp Procede d'authentification utilisant une signature en couleur
WO2008067889A1 (fr) 2006-11-13 2008-06-12 3R Machines Bv Dispositif pour identifier et analyser un symbole de sécurité constitué de couleurs dans les longueurs d'ondes spectrales et infrarouges
US20140293270A1 (en) * 2009-10-15 2014-10-02 Authentix, Inc. Object Authentication

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11138400B2 (en) 2013-09-25 2021-10-05 Sicpa Holding Sa Mark authentication from light spectra

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006050367A2 (fr) * 2004-11-01 2006-05-11 Visualant, Incorporated Procedes et systemes d'authentification d'objets par spectre total des couleurs
WO2006097712A1 (fr) * 2005-03-15 2006-09-21 Kiz Llp Procede d'authentification utilisant une signature en couleur
WO2008067889A1 (fr) 2006-11-13 2008-06-12 3R Machines Bv Dispositif pour identifier et analyser un symbole de sécurité constitué de couleurs dans les longueurs d'ondes spectrales et infrarouges
US20140293270A1 (en) * 2009-10-15 2014-10-02 Authentix, Inc. Object Authentication

Also Published As

Publication number Publication date
EP3446294B1 (fr) 2022-06-22
EP3446294A1 (fr) 2019-02-27
DE102016004662A1 (de) 2017-10-19
DE202017007729U1 (de) 2025-06-24

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