WO2005109352A1 - Dispositif et procede de verification d'authenticite d'un document de valeur ou de securite dote d'une caracteristique de et place sur un support - Google Patents

Dispositif et procede de verification d'authenticite d'un document de valeur ou de securite dote d'une caracteristique de et place sur un support Download PDF

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Publication number
WO2005109352A1
WO2005109352A1 PCT/EP2005/002329 EP2005002329W WO2005109352A1 WO 2005109352 A1 WO2005109352 A1 WO 2005109352A1 EP 2005002329 W EP2005002329 W EP 2005002329W WO 2005109352 A1 WO2005109352 A1 WO 2005109352A1
Authority
WO
WIPO (PCT)
Prior art keywords
line
security
sensor
value document
carrier
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/EP2005/002329
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German (de)
English (en)
Inventor
Manfred Paeschke
Oliver Muth
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.)
Bundesdruckerei GmbH
Original Assignee
Bundesdruckerei 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 Bundesdruckerei GmbH filed Critical Bundesdruckerei GmbH
Publication of WO2005109352A1 publication Critical patent/WO2005109352A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications

Definitions

  • the invention relates to a device for checking the authenticity (verification) of a security or value document provided with a security feature, which is applied to a carrier, having the features of claim 1.
  • the invention further relates to a method for checking the authenticity of a security or value document provided with a security feature, wherein the security or value document is applied to a carrier, and wherein the method is carried out with a device according to one of claims 1 to 11, according to the features of claim 12.
  • Such authenticity recognition devices are increasingly required by security systems that are able to recognize a security or value document or a product provided with a security feature on a support, wherein the position of the value document is not fixed.
  • the carrier may be, for example, a letter or a large or maxi letter, wherein the document of value, for example in the form of a stamp or a corresponding franking, is arranged unordered on the carrier.
  • the authenticity checking device must recognize the more or less randomly arranged value document over the entire area of the carrier.
  • Image recognition method solved, which evaluate the visually visually visible Irrformation.
  • Security features of security and security documents hide but also hide invisible information, such as UV, NIR, IR and magnetic or electromagnetic information. If necessary. also specific material properties are detected. These features can not readily be picked up and processed by image recognition methods, but instead special sensor arrangements must be used which detect one or more of the properties mentioned.
  • the invention is therefore an object of the invention to provide a device for Echmeitsübe examination, with a simple manner provided with a security feature security or value document can be checked, which is applied disorderly on a support.
  • the apparatus for checking the authenticity of a security or value document provided with a security feature, which is applied to a carrier comprises a line-shaped verification sensor, which contains an array of raster elements, with which the carrier can be scanned all-flat.
  • the security feature is charged with excitation light.
  • the raster elements of the line-shaped arrangement comprise a sensor IC line which corresponds to that of the safety . or value document receives emitted light.
  • the intensity profile and / or the wavelength profile and / or the temporal response signal can be used for the authenticity verification.
  • a combination of several such features can be used for the review.
  • the carrier is a letter, especially large or maxi letter, while the document of value consists in a franking, in particular a stamp.
  • the verification sensor comprises at least one cell-shaped arrangement of light sources which direct excitation light for the security feature onto the carrier or the document of value.
  • the cellular arrangement of excitation and detection elements results in a large fietzeninch '.'. Verification area and high processing speeds, such as are required for panoramicfeldbriefsen Landgen, wherein the security element can be detected in virtually any position.
  • the line-shaped arrangement of light sources is preferably formed from LED elements to which an LED optic is preset, with which the region of the value document to be imaged is illuminated.
  • the Verificationssensor comprises a line-shaped arrangement of laser diodes, each consisting of a laser IC, a splitter mirror and an associated photodiode.
  • the sensor IC line is preferably assigned a lenticular grid or a rod-lens array of cell-shaped optical fibers. Because of the different detection heights in large field letters, the sensor IC line can also be pre-set with an optical arrangement, with the object side, a cutting width of several centimeters and sufficient depth of field is achieved.
  • the sensor IC line and the line-shaped arrangement of light sources are 'preferably arranged on a common circuit board. Overall, the elements of the verification sensor are in one common. casing accommodated. This results in a compact unit that does not require any special adjustments during operation.
  • the verification sensor preferably comprises color filters, which selectively filters the light supplied to the sensor IC line or the photodiode with respect to the expected response signal and avoids cross sensitivities in the response signals.
  • the device according to the invention further provides a transport system, with which a relative movement between the - carrier and the cell-shaped Verificationssensor is generated.
  • a transport system with which a relative movement between the - carrier and the cell-shaped Verificationssensor is generated.
  • Fig. 1 A first embodiment of the invention with a line-shaped Verificationssensor in cross section
  • FIG. 4 shows a second exemplary embodiment of the invention in a longitudinal section along the laser diode line Fig. 5: the second Ausfunrungsbeispiel of the invention in cross section.
  • a first Ausfurirungsbeispiel a device 1 according to the invention is shown.
  • the line-shaped verification sensor 6 is arranged at the required distance above a transport system 5, for example a conveyor belt.
  • the transport system 5 moves the carrier 3, in the exemplary embodiment a large field letter with a largely arbitrarily attached value document 2, for example a stamp under the line-shaped verification sensor 6.
  • the franking is located on the support 3 at not exactly defined position and contains an at least mechanically detectable security feature 4, for example. In the form of a marker contained in the value document 3.
  • security features can, for example, inorganic or. used in certain wavelength ranges, for example, in the UV range at 360 nm to about 400 nm, in the visible at 533 nm, 635 nm, 680 nm and in the near infrared (NBR) at 780 nm, 805 nm, 950 nm and 980 nm can be activated and generate characteristic response signals by having a Stokes or Antistokes shift in the visible or NIR range. Combinations of two or more feature substances are possible.
  • a sensor IC line 9 and a row-shaped arrangement of excitation light emitting LEDs (light emitting diodes) 10 are arranged on a printed circuit board 8, electrically interconnected and thermally coupled.
  • the sensor line 9, preferably a CMOS line, is preceded by a grid of gradient-optical fibers (rod-lens array) 11.
  • the rod-lens array thus allows the line-shaped image on the sensor IC line 9.
  • the light guides can be arranged linearly next to each other or in two or more rows with a corresponding offset to achieve the highest possible fill factor. Such a system offers a high resolution of over 600 dpi.
  • the distance to the document is relatively small in conventional rod-lens arrays with 0.1 mm up to a few mm. Since the carriers 3 have different heights, a detection distance of one or more cm is required. Therefore, in the example of FIG. 1, a line-shaped sensor optic 12 with sufficiently long focal length is connected upstream, which causes only slight blurring even at different read distances outside the optimum distance.
  • a filter 15 it may be necessary to turn on a filter 15 at a suitable location in the beam path to the sensor IC line.
  • the filter is mounted in front of the optics 12. However, it can also be arranged between the optics 12 and the Rod lens array or directly in front of the sensor IC line.
  • the emission of the LED line is fanned out line by line via the LED optics 13 in such a way that excitation light is applied to the value document 2 in the focal region 16 of the receiving optics (11, 12).
  • two or more LED rows each with associated LED optics 13 may be provided.
  • the additional LED lines can be arranged side by side or opposite one another, that is to say essentially symmetrically with respect to the sensor line.
  • LED lines with RGB colors as well as one line with white emission and one row each : with UV and IR emission can be used.
  • a series of laser diodes can also be used.
  • the emission may, for example, be in the range of 950 nm or 980 nm and in the UV range of 365 nm or, for example, 635 nm, 680 nm, 780 nm or 805 nm.
  • the system is switched spectrally sensitive by means of suitable filters 15 only in that region in which a desired response signal is to be evaluated. If more than one response signal is evaluated should, the respective areas must be trained accordingly sensitive.
  • the lighting and receiving units are housed in a common housing 7 and covered on the detection side with a Abdeckglas- 14.
  • the entire line-shaped Verificationssensor 6 thus forms a closed, compact unit, which is well protected against contamination and in operation no adjustment.reforderlich.
  • the sensor IC line 9 and the at least one LED line 10 are connected via a not-shown electronics.
  • the control and evaluation can thus run according to programs, obei to a higher-level control system, with which the transport system 5 is controlled, appropriate information is passed.
  • a spectral sensitivity of the long-wave UV at about 380 nm to the short-wave NIR region at about 1,100 nm is given.
  • the cross-sensitivity in response signals can be substantially reduced.
  • the response signals may be longer or shorter wavelength and range from the long-wave UV to the short-wave NIR. It is also possible to use two or more response signals, in particular non-visible response signals, for the evaluation. In this case, the spectral position, shape and arrival and decay behavior of a response signal as well as the ratio of the intensities in the case of several response signals can be used for the verification. Especially in the case of two or more excitation wavelengths, security features with higher complexity can be verified and / or further surface areas of the value document or of the carrier can be included in the authenticity check.
  • FIG. 2 shows the verification system 1 in longitudinal section through the sensor line 9 and the optics 12 connected upstream thereof. The reference numerals again designate the same parts as in FIG. 1.
  • the schematically indicated gradient fibers 11 can be arranged side by side or with a higher filling factor in a single row staggered against each other in two or more rows.
  • the also schematically indicated sensor optics 12 forms a fine line on the surface of the value document 2 with the security feature 4 on the rod-lens array 11 from.
  • the line-shaped verification system 1 is shown in longitudinal section through the LED row 10 and the oblique LED optics 13.
  • the individual LED elements 10 may be surface-mounted SMT LED elements, chopped LED elements or laser diodes.
  • the individual elements can also already be formed with an integrated optic.
  • the purpose of the LED optical system 13 is to sufficiently illuminate the region of the document of value 2 used for imaging on the sensor IC line, if necessary with appropriate beam expansion.
  • laser diode 17 is understood in this embodiment, a component having at least one laser IC 18 and a photodiode 20, wherein the transmitter and receiver beam paths are separated by a splitter mirror 19.
  • the line-shaped verification system based on a plurality of juxtaposed laser diodes 17 is shown schematically and in section. Since the height of the transported on the conveyor belt 5 through the scanning area carrier 3 can be very different a correspondingly long focal length optics 21 is connected upstream. In the same figure is also still a Sttahlaufweitung 22 shown with the line-shaped verification can be achieved by closely spaced laser diode / optics systems. Often, however, the beam expansion 22 can be dispensed with or the laser diode 17 and / or the optics 21 can be moved in an oscillating manner. This is particularly possible because conventional laser diodes allow a very high pulse rate. Thus, CD and DVD laser diodes usually oscillator frequencies between 2 and 7 kHz are used.
  • a semitransparent divider mirror 19 is used which separates the transmitter and receiver beam paths and conducts the spectrally filtered-out response signal to the photodiode 20.
  • the photodiode can also be arranged next to the laser IC 18 with a correspondingly designed beam part optics.
  • wavelength ranges in the long-wave UV at 360 nm to about 400 nm, in the visible range at 533 nm, 635 nm and 680 nm and in the NIR at 780 nm, 805 nm, 950 nm and 980 nm can be selected for the laser diodes.
  • FIG. 5 shows the line-shaped verification system in a cross-section rotated by 90 ° relative to FIG. 4.
  • the optical system 21 is provided with the appropriate focal length in order to concentrate both the illuminating light in focus 16 and a sufficiently sharp image of the value document.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

L'invention concerne un dispositif et un procédé de vérification d'authenticité d'un document de valeur ou de sécurité doté d'une caractéristique de sécurité et placé sur un support. Un détecteur de vérification linéaire contient un dispositif d'éléments de trame qui permettent de balayer toute la surface du support. La caractéristique de sécurité est soumise à une lumière d'excitation et les éléments de trame de la disposition en lignes comportent une ligne IC de détecteur qui reçoit la lumière émise par le document de sécurité ou de valeur.
PCT/EP2005/002329 2004-04-30 2005-03-04 Dispositif et procede de verification d'authenticite d'un document de valeur ou de securite dote d'une caracteristique de et place sur un support Ceased WO2005109352A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004021397.6 2004-04-30
DE102004021397A DE102004021397A1 (de) 2004-04-30 2004-04-30 Vorrichtung und Verfahren zur Echtheitsüberprüfung eines mit einem Sicherheitsmerkmal versehenen Sicherheits- oder Wertdokuments, das auf einem Träger aufgebracht ist

Publications (1)

Publication Number Publication Date
WO2005109352A1 true WO2005109352A1 (fr) 2005-11-17

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PCT/EP2005/002329 Ceased WO2005109352A1 (fr) 2004-04-30 2005-03-04 Dispositif et procede de verification d'authenticite d'un document de valeur ou de securite dote d'une caracteristique de et place sur un support

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DE (1) DE102004021397A1 (fr)
WO (1) WO2005109352A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2330568A1 (fr) * 2006-08-22 2011-06-08 MEI, Inc. Agencement de détecteur optique pour accepteur de documents
WO2011072862A1 (fr) * 2009-12-18 2011-06-23 Giesecke & Devrient Gmbh Capteur pour vérifier des documents de valeur
WO2011072864A1 (fr) * 2009-12-18 2011-06-23 Giesecke & Devrient Gmbh Détecteur pour vérifier des documents de valeur
WO2011091963A3 (fr) * 2010-02-01 2011-11-24 Giesecke & Devrient Gmbh Dispositif d'éclairage et capteur pour vérifier des documents de valeur
EP2453418B1 (fr) * 2010-11-12 2017-12-20 BEB Industrie-Elektronik AG Procédé et dispositif de contrôle de l'authenticité de chèques dotés de fenêtres de sécurité

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7111494B2 (ja) * 2018-04-05 2022-08-02 グローリー株式会社 光検出センサ、光検出装置、シート類処理装置および光検出方法

Citations (6)

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Publication number Priority date Publication date Assignee Title
EP0779603A2 (fr) * 1990-06-22 1997-06-18 Canon Kabushiki Kaisha Dispositif et méthode pour le traitement d'images
WO2002059840A2 (fr) * 2001-01-26 2002-08-01 Wolfgang Heitsch Appareil d'informations dote d'un dispositif supplementaire et procede de controle
EP1237128A1 (fr) * 2001-03-01 2002-09-04 Sicpa Holding S.A. Détecteur de caractéristiques de luminescence amélioré
US20030031342A1 (en) * 2001-07-31 2003-02-13 Markus Sperl Apparatus for examining documents of value
US20030042438A1 (en) * 2001-08-31 2003-03-06 Lawandy Nabil M. Methods and apparatus for sensing degree of soiling of currency, and the presence of foreign material
US20030210386A1 (en) * 1996-11-15 2003-11-13 Diebold, Incorporated Apparatus and method for correlating a suspect note deposited in an automated banking machine with the depositor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06208613A (ja) * 1992-11-13 1994-07-26 Laurel Bank Mach Co Ltd パターン検出装置
EP0622762B1 (fr) * 1993-04-27 1998-07-01 The Furukawa Electric Co., Ltd. Dispositif pour la détection de fluorescence
DE19718122A1 (de) * 1997-04-29 1998-11-05 Giesecke & Devrient Gmbh Vorrichtung zur Detektion von eigenschaften eines Blattguts mit reflektiertem Licht
DE10234431A1 (de) * 2002-07-29 2004-02-12 Giesecke & Devrient Gmbh Vorrichtung und Verfahren zur Bearbeitung von Wertdokumenten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0779603A2 (fr) * 1990-06-22 1997-06-18 Canon Kabushiki Kaisha Dispositif et méthode pour le traitement d'images
US20030210386A1 (en) * 1996-11-15 2003-11-13 Diebold, Incorporated Apparatus and method for correlating a suspect note deposited in an automated banking machine with the depositor
WO2002059840A2 (fr) * 2001-01-26 2002-08-01 Wolfgang Heitsch Appareil d'informations dote d'un dispositif supplementaire et procede de controle
EP1237128A1 (fr) * 2001-03-01 2002-09-04 Sicpa Holding S.A. Détecteur de caractéristiques de luminescence amélioré
US20030031342A1 (en) * 2001-07-31 2003-02-13 Markus Sperl Apparatus for examining documents of value
US20030042438A1 (en) * 2001-08-31 2003-03-06 Lawandy Nabil M. Methods and apparatus for sensing degree of soiling of currency, and the presence of foreign material

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2330568A1 (fr) * 2006-08-22 2011-06-08 MEI, Inc. Agencement de détecteur optique pour accepteur de documents
US8836926B2 (en) 2006-08-22 2014-09-16 Mei, Inc. Optical detector arrangement for document acceptor
WO2011072862A1 (fr) * 2009-12-18 2011-06-23 Giesecke & Devrient Gmbh Capteur pour vérifier des documents de valeur
WO2011072864A1 (fr) * 2009-12-18 2011-06-23 Giesecke & Devrient Gmbh Détecteur pour vérifier des documents de valeur
US8662278B2 (en) 2009-12-18 2014-03-04 Giesecke & Devrient Gmbh Sensor for checking value documents
US8749768B2 (en) 2009-12-18 2014-06-10 Giesecke & Devrient Gmbh Sensor for checking value documents
WO2011091963A3 (fr) * 2010-02-01 2011-11-24 Giesecke & Devrient Gmbh Dispositif d'éclairage et capteur pour vérifier des documents de valeur
EP2453418B1 (fr) * 2010-11-12 2017-12-20 BEB Industrie-Elektronik AG Procédé et dispositif de contrôle de l'authenticité de chèques dotés de fenêtres de sécurité

Also Published As

Publication number Publication date
DE102004021397A1 (de) 2005-11-24

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