EP2997553A1 - Dispositif et procédé de contrôle de documents de valeur, en particulier de billets de banque, ainsi que système de traitement de documents de valeur - Google Patents

Dispositif et procédé de contrôle de documents de valeur, en particulier de billets de banque, ainsi que système de traitement de documents de valeur

Info

Publication number
EP2997553A1
EP2997553A1 EP14718518.5A EP14718518A EP2997553A1 EP 2997553 A1 EP2997553 A1 EP 2997553A1 EP 14718518 A EP14718518 A EP 14718518A EP 2997553 A1 EP2997553 A1 EP 2997553A1
Authority
EP
European Patent Office
Prior art keywords
value
edge
distance
sensor signals
value document
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
EP14718518.5A
Other languages
German (de)
English (en)
Other versions
EP2997553B1 (fr
Inventor
Shanchaun SU
Steffen Schmalz
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.)
Giesecke and Devrient Currency Technology GmbH
Original Assignee
Giesecke and Devrient 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 Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP2997553A1 publication Critical patent/EP2997553A1/fr
Application granted granted Critical
Publication of EP2997553B1 publication Critical patent/EP2997553B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G07D7/181—Testing mechanical properties or condition, e.g. wear or tear
    • G07D7/189—Detecting attached objects, e.g. tapes or clips
    • 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
    • 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
    • G07D7/121—Apparatus characterised by sensor details
    • 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
    • G07D7/181—Testing mechanical properties or condition, e.g. wear or tear
    • 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
    • G07D7/181—Testing mechanical properties or condition, e.g. wear or tear
    • G07D7/187—Detecting defacement or contamination, e.g. dirt
    • 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

Definitions

  • the invention relates to a device and a method for checking value documents, in particular banknotes, as well as a value-document processing system.
  • banknote processing systems characteristics of banknotes, such as banknotes, are determined.
  • Printed image, denomination, authenticity and condition, determined by physical properties of banknotes detected by sensors and the sensor data generated here are evaluated.
  • the test for the presence of adhesive strips is usually carried out by measuring the thickness of the bill to be tested by means of mechanical or ultrasonic thickness sensors.
  • the device according to the invention for checking documents of value has: at least one sensor for detecting electromagnetic radiation transmitted by a document of value and generation of corresponding first sensor signals and for detecting electromagnetic radiation reflected from the document of value and generation of corresponding second sensor signals and an evaluation device for checking whether the value document has a foreign object, in particular an adhesive strip, taking into account first and second sensor signals which correspond to the respective transmitted or remitted in the region of the edge of the value document electromagnetic radiation.
  • the method according to the invention for checking documents of value comprises the following steps: detecting electromagnetic radiation transmitted by a document of value and generating corresponding first sensor signals, detecting electromagnetic radiation reflected from the document of value and generating corresponding second sensor signals, and checking whether the value document has a foreign object, in particular an adhesive strip, taking into account first and second sensor signals which correspond to the electromagnetic radiation transmitted or remitted respectively in the region of the edge of the value document.
  • the value-document processing system has at least one device for processing, in particular for conveying and / or counting and / or sorting, value documents, in particular banknotes, and is distinguished by the device according to the invention for checking value documents.
  • the invention is based on the idea of using both the transmission properties and the remission properties in the region of the edge of the value document when checking whether a foreign object, in particular an adhesive strip or another sticker, is present on the value document.
  • a foreign object in particular an adhesive strip or another sticker
  • the presence of a foreign object is deduced on the basis of any differences between the edge profile determined from the transmission image and the edge profile of the value document determined from the remission image.
  • the approach according to the invention is particularly suitable for detecting adhesive strips or other stickers located on documents of value, which be glued to the document of value for repair purposes, for example, to fix defects usually occurring in the edge region of the value document, in particular cracks.
  • this makes it possible to recognize those adhesive strips which project up to the cut edge of the value document or possibly even slightly beyond it.
  • the approach according to the invention for detecting foreign objects on the document of value is particularly suitable for objects which scatter, break and / or conduct electromagnetic radiation in the visible and / or infrared and / or ultraviolet spectral range.
  • Both clear-looking adhesive strips and adhesive strips that appear dull and almost invisible on the banknote can be recognized. In principle, however, this also applies to the substantially opaque in the visible spectral range
  • Adhesive strips, such as so-called insulating tapes which can scatter electromagnetic radiation in other spectral ranges, in particular in the ultraviolet and / or infrared spectral range.
  • the particular advantage of the approach according to the invention of taking into account not only the transmission properties but also the remission properties of the value document along the edge is that the course of the edge in the transmission image changes from the course of the edge in the remission image in the area of one on the value document clearly differentiate the adhesive strip.
  • the curves in the transmission and remission image are identical in the case of distortions or deformations occurring at the edge of the value document.
  • Such distortions or deformations of the bill may be e.g. occur during machine banknote transport and / or due to a not quite straight cutting edge. If the deviations from the rectangular shape are not too large, banknotes with such distortions or bulges are not sorted out during the condition check of the banknote.
  • Banknotes having an adhesive strip are reliably distinguished from banknotes showing only a deformation or bulge by comparing the two margins. This prevents the latter from being incorrectly removed from circulation and, if necessary, destroyed.
  • the invention thus allows reliable detection of foreign objects, in particular adhesive strips or other stickers, on documents of value.
  • the at least one sensor is preferably designed for spatially resolved detection of the electromagnetic radiation transmitted or remitted by the value document and for generating corresponding first or second sensor signals.
  • the spatial progression of both the spatially resolved first sensor signal and the spatially resolved second sensor signal obtained in the region of the edge, in particular along the edge, of the value document can be taken into account, which is a particularly reliable distinction value documents with and without adhesive strips.
  • the at least one sensor is designed to generate a transmission image composed of first sensor signals, in particular a dark field transmission image, and a remission image composed of second sensor signals.
  • a dark field transmission image the transmission image of the value document is distinguished from a dark image background, whereby, even with low contrasts in the value document, nevertheless well-resolved, high-contrast transmission images are obtained.
  • the value document is subjected to electromagnetic radiation in such a way that direct rays pass the sensor and only those which are deflected in the value document, in particular broken and / or scattered, can reach the sensor.
  • a remission image is a spatially resolved image of the diffuse or directionally reflected electromagnetic radiation from the value document.
  • This embodiment also makes it possible to take into account the spatial progression of the first sensor signal and the second sensor signal obtained in each case in the region of the edge, in particular along the edge, of the value document during the examination of the value document. to ensure a particularly reliable distinction between value documents with and without adhesive strips.
  • the evaluation device is designed, in the examination of whether the document of value has a foreign object, in particular an adhesive strip, those first and second sensor signals, respectively, of the respectively transmitted in the region of the edge of the value document or remitted electromagnetic radiation match, compare with each other. If this comparison shows that the first and second sensor signals obtained in the region of the edge, in particular along the edge, of the value document have a substantially identical spatial progression, it can be concluded from this that there is no adhesive strip on the value document. On the other hand, in a section along the edge of the value document, if the spatial profile of the first sensor signals differs from the spatial profile of the second sensor signals, then the presence of an adhesive strip can be deduced therefrom. As a result, documents of value with adhesive strips can be reliably and easily distinguished from those without adhesive strips.
  • the positions of the edge points that the transmission image provides are compared with the positions of the corresponding edge points that the remission image provides. And for tape detection, the distance between each edge point of the transmission image and the corresponding edge point of the remission image is determined and evaluated.
  • the two edge courses, which are observed in transmission and in remission are approximately congruent, ie the corresponding remission and transmission boundary points each have a very small distance from each other. each other, which is below a predetermined distance comparison value.
  • these edge courses are not congruent, but rather an increased distance is determined, which exceeds a predetermined distance comparison value, for example over a plurality of adjacent edge point pairs.
  • the invention therefore allows a distinction to be made between geometric distortions and strangulation of adhesive strips. This avoids that geometrical distortions or write-offs of the banknote are mistaken for a "false tab" and the banknote in question is unnecessarily sorted out.
  • the evaluation device is designed to determine one or more first edge points based on the first sensor signals, which points correspond to the edge of the value document, and to determine one or more second edge points based on the second sensor signals. which points in the region of the edge of the value document correspond, and at least to compare the position of one of the first edge points with the position of at least one of the second edge points.
  • the first and second edge points whose positions are compared with each other, are located at the same position of the value document edge, as viewed along the value document root circulating around the value document. Based on the spatial distance between the first and second edge point is checked whether in the area of the edge of the value document, a foreign object, in particular a Adhesive tape, is present.
  • the position of the first edge point and the position of the second edge point corresponding thereto are respectively compared.
  • This adhesive strips can be detected very reliable.
  • the positions of all first and second edge points obtained along the edge of the value document are compared with each other.
  • the evaluation device is designed to determine the first and / or second edge points by comparing the first and second sensor signals with at least one threshold value.
  • the height of the first sensor signals is compared with a first threshold value, wherein sensor signals which are greater than the first threshold value are assigned to the transmission image of the value document, whereas sensor signals which are smaller than the first threshold value, the background surrounding the value document be assigned.
  • edge detection in which a composite of a plurality of first boundary points edge course of the transmission image of the value document is determined.
  • the height of the second sensor signals is compared with a second threshold value; Otherwise, the remarks on the transmission image apply accordingly.
  • the evaluation device is designed to determine at least one distance value, which is a measure of the represents spatial distance of one of the first edge points of one of the second edge points, and in particular to compare the at least one distance value with at least one predetermined distance comparison value.
  • the at least one distance comparison value corresponds to a previously determined distance value based on at least one value document on which there is no foreign object, in particular no adhesive strip.
  • the distance comparison value can be identical for all four edges of the value document, but can also be determined separately for individual edges or each of the edges.
  • the at least one distance value corresponds to the Euclidean distance between in each case a first and a second edge point.
  • the distance value for example, only the difference of that coordinate, e.g. determine the x-coordinate, the first and second edge points perpendicular to the respective edge, i. along the y-direction of the value document.
  • the size of a surface defined by the boundary points can be determined, which includes the edge profile obtained from the transmission image with the edge profile obtained from the remission image, eg by integration or by up-turning of the respective distance values, and checked whether this exceeds a given area comparison value F. In the case of exceeding the area comparison value, the presence of a foreign object is affirmative, otherwise it is denied.
  • statements about the presence of an adhesive strip on the value document can be derived at the first and second edge points. For example, mean values and / or variance values of the brightnesses can be determined.
  • value documents with and without adhesive strips can be distinguished with particularly high reliability.
  • the respective first and second edge points, from each of which a distance value is determined, are corresponding points along the value document edge, e.g. Points with the same pixel number, if you go through the remission and the transmission edge course pixel by pixel from the same value document corner.
  • the transmission image and the remission image are shifted relative to one another, they can be transformed into a common coordinate system such that the four corner points of the transmission image coincide with the four corner points of the remission image, one of the corner points serving as a coordinate origin.
  • a transformation of the transmission resp. Remission image can be done by translation and / or rotation of the respective coordinates. The presence of an adhesive strip on the document of value can thereby be affirmed or excluded with particular certainty.
  • the distance value is determined in each case and it is checked whether a predetermined minimum number N of (adjacent) pairs of boundary points exceeds the distance comparison value A.
  • the distance comparison value A is exceeded for at least a predetermined minimum number N (adjacent) pairs of edge points, the existence of a. Foreign object, in particular an adhesive strip, affirmative and otherwise negative.
  • the evaluation device is designed to determine a number n of distance values which are greater than the distance comparison value, and in particular the check as to whether the value document has a foreign object, in particular an adhesive strip, based on a comparison of the determined number n of distance values are greater than the distance comparison value, with a predetermined number N of distance values.
  • the predetermined number N makes it possible to determine in a simple way in how many, preferably successive, edge points the edge profile of the first and second sensor signals must differ in order to reliably conclude the presence of an adhesive strip.
  • the minimum number N> 2, preferably N> 4, is.
  • an upper limit can be preset, which is chosen as a function of the maximum width of the adhesive objects to be recognized, and the presence of an adhesive strip can only be affirmed if the upper limit is undershot. The distinction between value documents with and without adhesive tape becomes even more reliable.
  • FIG. 1 shows an example of a schematic structure of a value document processing system
  • FIG. 2 shows an example of a value document in the form of a banknote
  • FIG. 3 shows an example of a transmission image of that shown in FIG. 2
  • FIG. 4 shows an example of a remission image of that shown in FIG.
  • FIG. 7 shows a superimposition of the courses shown in FIGS. 5 and 6;
  • FIG. 1 shows an example of a schematic structure of a value document processing system 1 with an input tray 2, in which a stack of value documents to be processed, in particular banknotes 3, is provided, and a separator 8, of which the respectively lowest Bank note of the input stack detected and delivered to a - in the selected representation only schematically reproduced - transport device 10, which conveys the bill in the transport direction T to a sensor device 20.
  • the sensor device 20 comprises a first, second and third sensor 21, 22 and 23, which are each preferably designed as a so-called line camera and light emitted from the banknote, in particular in the visible and / or infrared and / or ultraviolet spectral range. detected by arranged along a line sensor elements and converted into corresponding sensor signals.
  • the first and second sensors 21 and 22, respectively detect from the front and back of the bill remitted, i. diffused and / or directionally reflected light, and convert this into corresponding first sensor signals.
  • the third sensor 23 located in the region of the front side of the banknote detects the light transmitted by the banknote, which is emitted by a light source 24, strikes the banknote obliquely and passes through it, and converts it into corresponding second sensor signals. Due to the obliquely incident on the banknote light from the light source 24 is through the third sensor
  • the first and second sensors 21 and 22 are also referred to as remission cameras and the third sensor 23 is also referred to as a transmission camera.
  • the line with the sensor elements of the respective sensor 21, 22 or 23 runs substantially perpendicular to the transport direction T of the banknotes, so that with each read-out operation of the sensor line of the respective a sensor waveform along the sensor line is obtained, which corresponds to an intensity profile of the light, which is transmitted or remitted in a direction perpendicular to the transport direction T extending direction of the banknote or remittiert.
  • the first and second sensor signals generated by the sensors 21 to 23 of the sensor device 20, in particular the corresponding first and second sensor signal profiles, are forwarded to a control device 50 and an evaluation device 51.
  • the evaluation device 51 can be contained in the control device 50 or can also form a separate unit from the control device 50.
  • the sensor signals are used after a possible preprocessing to check the banknote, being derived from the respective sensor signals statements about various properties of the respective banknote, such.
  • the transport device 10 and the points 11 and 12 along the transport path are controlled by the control device 50 such that the banknote is fed to one of a plurality of output compartments 30 and 31 and stored there.
  • 30 banknotes are stored in a first output tray
  • the good Condition in particular no foreign objects such as adhesive strips
  • banknotes with bad condition such as banknotes with adhesive strips
  • Counterfeit suspect banknotes are placed in another compartment (not shown).
  • the reference numeral 13 at the end of the transport path shown should indicate that further output compartments and / or other facilities, for example for the storage or destruction of banknotes, may be provided. If, for example, the examination of a banknote shows that it does not fulfill certain status criteria with regard to soiling, wear, defects or existing foreign objects, then this can be sent directly to a shredder for destruction.
  • the value-document processing system 1 further comprises an input / output device 40 for inputting data and / or control commands by an operator, for example by means of a keyboard or a touchscreen, and outputting or displaying data and / or information relating to the processing process, in particular to the respectively processed banknotes.
  • an input / output device 40 for inputting data and / or control commands by an operator, for example by means of a keyboard or a touchscreen, and outputting or displaying data and / or information relating to the processing process, in particular to the respectively processed banknotes.
  • the value-document processing system 1 shown by way of example is particularly suited to documenting value documents for the presence of foreign objects, such as foreign objects. Adhesive strips and other stickers, to check what is explained in more detail below.
  • FIG. 2 shows an example of a document of value in the form of a banknote 3, which in the present case is shown only in a highly schematized manner, which is stuck with an adhesive strip 4, which projects slightly beyond the edge of the banknote 3 in the illustrated example.
  • the adhesive strip 4 projects beyond the edge of the banknote 3 in a clearly visible manner.
  • the following explanations also apply correspondingly to adhesive strips or other comparable foreign objects on banknote 3, which are flush with the edge of banknote 3.
  • the adhesive strip 4 may basically be any type of adhesive strip, such as e.g. transparent and / or clear and / or matt and / or transparent only in the tested spectral range adhesive tape.
  • the illustrated banknote 3 has in the region of its lower right corner of a deformation 5, which has also been shown enlarged in the present example for reasons of clarity and may have different causes, such.
  • B a production-related imperfect cutting edge of the banknote 3 or caused by the transport of the banknote 3 in a banknote processing system distortion.
  • the deformation 5 is shown as a projection relative to the remaining course of the lower cut edge of the banknote 3.
  • the following explanations also apply mutatis mutandis to all other types of deviations of the outer shape of the banknote 3 from the usual rectangular banknote form.
  • FIG. 3 shows an example of a transmission image 3 'of the banknote 3 shown in FIG. 2.
  • the transmission image 3' shown here is preferably a so-called dark-field transmission image, which is obtained by transmitting light from the light source 24 (see FIG Fig. 1) obliquely, that is radiated at a significantly different angle of 90 °, with respect to the surface of the transmission camera 23 and hits the banknote 3.
  • the light passing through the banknote 3 is detected by the transmission camera 23 and converted into corresponding first sensor signals, which together give the transmission image 3 '.
  • the light passing past the banknote 3 as well as the transmission camera 23 causes the transmission image 3 'of the banknote 3 to appear in front of a substantially completely dark background 6 in the transmission recording shown here.
  • the transmission image 3 'of the banknote 3 shows a region 4' with an increased brightness relative to the dark background 6, which is attributable to the fact that the light striking the banknote 3 is scattered by the adhesive strip 4 in the direction of the transmission camera 23 and / or is broken and - in contrast to the incident on the transmission camera 23 passing illumination light - is detected by the transmission camera 23.
  • a region 5' corresponding to the deformation 5 can also be seen.
  • FIG. 4 shows an example of a remission image 3 ", the banknote 3 shown in FIG. 2, which was taken with one of the two remission cameras 21 and 22 (see FIG. 1) by remitting, ie directing, the banknote 3 or diffusely reflected light is detected and converted into corresponding second sensor signals, which together form the remission image 3 ".
  • the remission image 3 "of the banknote 3 also appears in front of a substantially dark background 7.
  • a region 5 "corresponding to the deformation 5 of the banknote 3 is also discernible as in the transmission image 3 ', at the upper edge of the position of the adhesive strip 4 corresponding bright area 4' can be seen (see Fig. 3), a corresponding area in the remission image 3 "does not occur.
  • the Adhesive strip 4 causes only a small backscatter of the incident light, whereby the edge of the banknote 3 superior part of the adhesive strip 4 in the remission image 3 "can not be distinguished from the substantially uniformly dark background 7.
  • the course of the edge of the respective image 3'at. 3 '' determines, e.g. by the first and second signal values, the signal values in the area of both the image 3 'and. 3 "as well as the background 6 or 7 are compared with a respective threshold value, sensor signals whose magnitude exceeds the predetermined threshold value are in this case assigned to the transmission image 3 'or remission image 3", while sensor signals which fall below the predetermined threshold value are assigned. be assigned to the background 6 and 7, respectively.
  • an edge detection is performed on the transmission and remission image, in which one of a plurality of edge points T (x, y) and R (x, y) composite course VT or VR of the edge of the transmission image 3',. Remission image 3 "of the banknote 3 is determined, which is exemplified in Figures 5 and 6, respectively.
  • the illustrated edge profile VT of the transmission image 3 'and the edge profile VR of the remission image 3 "show a region 5' or 5" corresponding to the deformation 5 at the edge of the banknote 3, whereas FIG the position of the adhesive strip 4 corresponding area 4 'occurs only in the edge profile VT of the transmission image 3'.
  • the first and second edge points T (x, y) and R (x, y) are transformed in such a way, in particular by rotation and / or translation, that the four corners of the edge profile VT of the transmission image 3 'with the
  • the coordinates x and y of the boundary points T (x, y) and R (x, y) are then related to a common coordinate origin, which preferably - as shown in FIG one of the four corners of the edge curves VT and VR coincides.
  • a distance value D is then calculated in each case for one or more pairs of edge points T (x, y) of the transmission image and edge points R (x, y) of the remission image, which is a measure of the distance between the first edge points T (x, y) from the corresponding second edge points R (x, y).
  • the distance value D the so-called Euclidean distance between the respective two points T (x, y) and R (x, y) is calculated as follows:
  • XT and yT represent the coordinates of the first edge point T (x, y) and XR and yR represent the coordinates of the second edge point R (x, y).
  • FIG. 8 shows a first example of the course of distance values D determined from first and second boundary points T (x, y) and R (x, y) along the y direction of the upper edge of the obtained transmission or remission image.
  • FIG. 8 shows the distance comparison value A, which was determined in advance on the basis of banknotes which have no adhesive strips or similar foreign objects.
  • the distance comparison value A can be selected depending on the measurement accuracy of the image acquisition. For example, as a distance comparison value A, a length of 1, 2 or 3 pixel sizes of the remission or transmission image may be used.
  • FIG. 9 shows a second example for the course of distance values D determined from first and second boundary points T (x, y) and R (x, y) along the y-direction at the lower edge of the edge profile VT or VR.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

L'invention concerne un dispositif et un procédé de contrôle de documents de valeur (3), en particulier de billets de banque, ainsi qu'un système de traitement de documents de valeur, comprenant • ‑ au moins un capteur servant à détecter un rayonnement électromagnétique transmis par un document de valeur (3) et à générer des premiers signaux de capteur correspondants, ainsi qu'à détecter un rayonnement électromagnétique renvoyé par le document de valeur (3) et à générer des seconds signaux de capteur correspondants et • ‑ un système d'évaluation servant à contrôler si le document de valeur (3) comporte un objet étranger (4), en particulier un ruban adhésif, en tenant compte des premiers et seconds signaux de capteur correspondant respectivement au rayonnement électromagnétique transmis ou renvoyé dans la zone du bord du document de valeur (3). L'invention empêche d'identifier comme objet étranger (4) des déformations (5) présentes dans la zone du bord du document de valeur (3).
EP14718518.5A 2013-04-22 2014-04-17 Dispositif et procédé de contrôle de documents de valeur, en particulier de billets de banque, ainsi que système de traitement de documents de valeur Active EP2997553B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013006925.4A DE102013006925A1 (de) 2013-04-22 2013-04-22 Vorrichtung und Verfahren zur Prüfung von Wertdokumenten, insbesondere Banknoten, sowie Wertdokumentbearbeitungssystem
PCT/EP2014/001055 WO2014173522A1 (fr) 2013-04-22 2014-04-17 Dispositif et procédé de contrôle de documents de valeur, en particulier de billets de banque, ainsi que système de traitement de documents de valeur

Publications (2)

Publication Number Publication Date
EP2997553A1 true EP2997553A1 (fr) 2016-03-23
EP2997553B1 EP2997553B1 (fr) 2018-11-14

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EP14718518.5A Active EP2997553B1 (fr) 2013-04-22 2014-04-17 Dispositif et procédé de contrôle de documents de valeur, en particulier de billets de banque, ainsi que système de traitement de documents de valeur

Country Status (7)

Country Link
US (1) US9852568B2 (fr)
EP (1) EP2997553B1 (fr)
AU (1) AU2014256522B2 (fr)
CA (1) CA2902244C (fr)
DE (1) DE102013006925A1 (fr)
MX (1) MX356923B (fr)
WO (1) WO2014173522A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013021655A1 (de) * 2013-12-18 2015-06-18 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zur Bearbeitung von Wertdokumenten
EP3598401B1 (fr) * 2017-03-15 2022-01-12 Glory Ltd. Dispositif de détection de feuilles de papier, appareil de traitement de feuilles de papier et procédé de détection de feuilles de papier
EP3781502B1 (fr) 2018-04-20 2024-07-24 Crane Payment Innovations, Inc. Système de détection de corde
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US9852568B2 (en) 2017-12-26
MX2015014721A (es) 2016-03-07
CA2902244A1 (fr) 2014-10-30
AU2014256522A1 (en) 2015-10-15
CA2902244C (fr) 2021-03-16
AU2014256522B2 (en) 2017-11-23
EP2997553B1 (fr) 2018-11-14
MX356923B (es) 2018-06-20
WO2014173522A1 (fr) 2014-10-30
US20160063791A1 (en) 2016-03-03

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