WO2011138516A1 - Security document, tester and authentication method - Google Patents

Security document, tester and authentication method Download PDF

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Publication number
WO2011138516A1
WO2011138516A1 PCT/FR2011/000211 FR2011000211W WO2011138516A1 WO 2011138516 A1 WO2011138516 A1 WO 2011138516A1 FR 2011000211 W FR2011000211 W FR 2011000211W WO 2011138516 A1 WO2011138516 A1 WO 2011138516A1
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WO
WIPO (PCT)
Prior art keywords
radiation
document
tester
reagent
authenticator
Prior art date
Application number
PCT/FR2011/000211
Other languages
French (fr)
Inventor
André Honnorat
Original Assignee
Honnorat Recherches & Services
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.)
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Publication date
Application filed by Honnorat Recherches & Services filed Critical Honnorat Recherches & Services
Priority to EP11730999.7A priority Critical patent/EP2567361B1/en
Publication of WO2011138516A1 publication Critical patent/WO2011138516A1/en

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—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
    • G07D7/128—Viewing devices
    • 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
    • G07D7/005—Testing security markings invisible to the naked eye, e.g. verifying thickened lines or unobtrusive markings or alterations
    • G07D7/0054—Testing security markings invisible to the naked eye, e.g. verifying thickened lines or unobtrusive markings or alterations involving markings the properties of which are altered from original properties
    • G07D7/0056—Testing security markings invisible to the naked eye, e.g. verifying thickened lines or unobtrusive markings or alterations involving markings the properties of which are altered from original properties involving markings of altered colours
    • 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 invention relates to a remote authenticated authentication document and a tester for authentication.
  • Security documents such as banknotes, identity documents, driving licenses, bank cards, travel vouchers, vouchers, checks, gift certificates, etc. must be protected against copying and have elements allowing the verification in a certain way of the document.
  • These elements are security threads, such as those described in documents US 61 321, EP 59 056, JP 63182497, holograms, indicated in particular in US 3,552,853, US 3,668,795, JP 2009015338, US 2009154813, optically variable inks, explained in the application WO 061 17271 or in patent US 6 472 455, optically variable films as described for example in JP 2009107259, and various markers incorporated in the body of the document or on its surface.
  • the document must have a device which avoids the reproduction in the same way by the means accessible to everyone, that is to say by means of color reproduction and by scanning and printing with domestic means, such as inkjet or laser printer, - the document must have a means of remote authentication, the credit card or ticket may be placed on the dashboard of the vehicle or pressed against the windshield, that is to say at a distance of tester operated by the tester of the order of a few centimeters to a few tens of centimeters, or can be placed on a seat or side of the vehicle difficult to access for the controller, that is to say at a distance that can be greater than one meter, which represents a detection distance totally beyond the reach of known techniques,
  • the tester meanwhile must be reliable, low cost and usable in all weather conditions that may be encountered by a controller for documents placed in all types of vehicles.
  • RFID radiofrequency authentication
  • a miniaturized electronic system is included in the document, or placed on its surface, and carrying information enabling the authentication, the device being remotely read by means of a suitable reader emitting a wave in the radio frequency range.
  • RFID radiofrequency authentication
  • Such a device is known for a long time and applied in the field of identity documents, including passports, and described in various patents, for example, to name only a few, in WO 0036555, WO 05098748, WO 05100021, WO 08119904, WO 2009007659, FR 2 899 000, EP 2 084 654, US 20030006121.
  • RFID devices have several major difficulties that make them almost unusable in the present context:
  • the device placed on the document in the form of a chip, for example, is expensive and impractical to install, very few printers are equipped to perform this operation simultaneously with printing, and the paper-making process generates an important additional cost for the document produced.
  • the invention therefore aims to solve the specific problem stated above by proposing a new authentication system coupling a secure document with a specific pointer.
  • the present invention thus relates to a security document that can be authenticated remotely under varying light conditions through a transparent or translucent physical barrier by means of a tester, as well as the corresponding tester and the test method, the invention is characterized by the fact that the document comprises at least one reagent developing a coloration under the action of spatially and temporally coherent laser-like radiation emitted by the tester, said radiation being called authenticator radiation, and in that said tester comprises means for accurately positioning said authenticator radiation on the security document at a distance between a few centimeters and more than one meter, the means for positioning the radiation on the document being a laser beam or an intense and narrow radiation said pointer radiation emitted in the area of perception of the eye, said tester thus emitting at least one visible radiation at a distance.
  • the advantages of the system associating the secured document and the specific tester according to the invention are multiple: authentication is possible at a variable distance between the document and the tester and under varying lighting conditions, for all types of vehicles, the tester is cheap, reliable, simple to use and easy to transport,
  • the document can be manufactured for a modest additional cost because only part of the document can be secured for authentication, and the processing can be performed by conventional printing means,
  • the document can be processed to be reproducible by photocopying or scanning simultaneously with the processing used for the authentication and possibly even by applying a single printing ink containing all the products,
  • the authentication method is simple, within the reach of all controllers and usable in all countries.
  • - Security document any paper, plastic or laminate document containing elements preventing identical copying or reproduction by scanning and then printing, and / or, any document containing materials allowing its authentication and identification, tracers or markers for example, and / or any document containing chemical elements reactive to erasing agents, for example by causing coloration on the document, and / or any document emitting light emission under specific lighting or observation conditions.
  • the authentication can be human or automated with suitable devices.
  • Authenticable remotely a visualization of the physical identification reaction to certify the origin of the document without contact and at a distance that can be between a few centimeters and more than one meter, knowing that the authentication of a document is produced either by direct contact between the tester and the document, either at a very short distance of the order of a few millimeters to a few centimeters at most, the only authentication systems comparable to those described here are the RFID devices in which a chip is included in the document and a remote reader emits radiofrequency radiation allowing a response back of the document, such contactless systems allow reading of the identification information to several meters.
  • Variable light conditions a document placed in a vehicle, such as for example a credit card or a parking ticket, is subject to ambient lighting, the vehicle may be in the sun outdoors and the document be strongly lit, or still inside a covered parking and dimly lit, moreover the windows of the vehicle can be partially reflective or tinted and the authentication of the document can therefore be affected, it is for example completely impossible to authenticate carrier documents prints with optically variable inks (OVD) or holograms under varying lighting conditions at a document distance greater than about 30 centimeters behind a transparent or translucent physical barrier.
  • ODD optically variable inks
  • Transparent or translucent physical barrier any type of glazing, tinted or not, partially reflective or totally transparent, used to make windscreens and windows more generally, in practice any closed environment allowing at least partial vision of the area containing the document to be authenticated and allowing the passage of a radiation as described by the present invention, it can thus be the passenger compartment of a vehicle but also a hermetically sealed box containing valuable elements and having a window, or other neighboring applications.
  • the pointer makes it possible to visualize the zone where the authenticating radiation is located, this zone may be a point in the case of a highly focused laser beam but also a line, a cross, a circle, a disk, the tester emitting in the latter case a more or less open cone of light, ideally the marked area of the document, that containing the reagent, is reduced, and the positioning of the authenticator radiation must be precise enough so that the auditor does not waste too much time in positioning the radiation.
  • the pointer radiation on the document may be at a point, a small disk or a cross, however the authenticator radiation will advantageously be a disk to easily cover the area to be authenticated by scanning a larger surface than that of the radiation pointer .
  • the security document can be authenticated remotely under varying light conditions through a transparent or translucent physical barrier by means of a tester
  • the invention also relates to the corresponding tester, the document-tester assembly being inseparable.
  • the invention also relates to an authentication method using a secure document and a tester.
  • the present invention relates to the authentication of a security document by a test device located at a distance of between 20 centimeters and two meters.
  • the security document can be placed in any orientation relative to the tester.
  • the invention is characterized in that the document comprises at least one reagent developing a coloration under the action of a spatially and temporally coherent radiation, of laser type, emitted by the tester, said radiation being called authenticator radiation, and by the fact that said tester comprises means for positioning said authenticator radiation fairly accurately on the security document at a distance of between a few centimeters and more than one meter.
  • the tester can hardly be approached within twenty centimeters of the area to be inspected, if the document is affixed to the inside of the vehicle. breaks this distance can obviously be smaller.
  • Which area to control can be very variable, it can be a location of a few square millimeters placed in a specific place of the document, it can be a few square centimeters on a printed area, which can be colored or not it can also be a coating on the entire surface of the document although it is obviously more expensive.
  • the coloring developed by the document under the action of the authenticator radiation is reversible, either immediately after cutting the beam, or after a short time if the reagent is likely to develop phosphorescence.
  • the coloration developed is intense, that is to say visible at a distance of up to more than one meter in full sun, or several meters in the dark, under the action of the tester according to the invention.
  • the authenticating reagent is introduced by any means conceivable in the secure document or on its surface, by a paper-making means into the mass of the document, by a printing means applied on the surface or by a means of transformation, for example by a technique of transfer or sputtering, or by an adhesive positioned between rolling films.
  • the means for positioning the radiation on the document is laser radiation or intense and narrow radiation, which radiation is emitted in the field of perception of the eye, said tester thus emitting at least one visible radiation at a distance which is called pointer radiation.
  • pointer radiation By intense and narrow radiation it must be understood that the visible light beam must be sufficiently focused so that the area of the ray striking the document at a distance of the order of 1.5 meters is not greater than a few square centimeters, ideally that the greater visible distance of the pointer radiation on the document is less than 5 cm, so as to allow easy authentication with the authenticator radiation.
  • the pointer lighting must be strong enough that the pointer beam can be easily seen by the controller when the document is placed in the sun in a vehicle at a distance greater than 1 meter or so.
  • the best possible device for the radiation pointer is a colored laser beam, however, a focused light beam produced by an incandescent lamp, a diode or any other known means is not excluded.
  • the pointer radiation is a violet laser radiation emitting preferably in a zone around 405 nm, at the edge of the visible range, or a red laser radiation emitting preferably in a zone around 650 nm.
  • the authenticator radiation producing a colored reaction on the document is a laser beam emitting in a wavelength range that is perceptible to the eye.
  • authenticating radiation and the pointer radiation having the same source which radiation is: a laser beam emitting a violet light in an area between 360 and 420 nm and the reagent producing the coloration is a dye or a fluorescent or phosphorescent pigment emitting in the zone visible spectrum in a different color of the violet, or a laser beam emitting a red light in an area between 600 and 800 nm and the reagent producing the coloring is a dye or a pigment emitting in the visible area of the spectrum in a different color that of the pointer, and preferably the reagent is little or not colored in daylight or a non-interfering color when it is included in a printing ink, a varnish or a surface coating.
  • the authenticator radiation producing a colored reaction on the document is a laser beam emitting in a wavelength range imperceptible to the eye, the tester emitting two laser beams of different wavelengths, parallel and spatially close, an invisible authenticating radiation and a pointer radiation perceptible to the eye.
  • the authenticator radiation is a laser beam emitting an infrared light, more particularly a light at 980 nm
  • the staining developing reagent is an anti-Stokes pigment, or a laser beam emitting a light close to 360 nm and the staining developing reagent is a dye or a fluorescent or phosphorescent pigment, in either situation the reagent is little or not colored in daylight or a non-annoying color when it is included in an ink printing, varnish or surface coating.
  • the various reagents that can be envisaged can be chosen in different ways depending on whether a single authentication is sought, for example by means of a very particular reagent that is not commercially diffused and produced specifically for this application, or that an authentication with more conventional products. is desired.
  • a very particular reagent that is not commercially diffused and produced specifically for this application, or that an authentication with more conventional products. is desired.
  • the security of the document is very high but the cost of the protection is great
  • the protection is cheap and the protection weaker.
  • the anti-Stokes pigments and dyes being considered expensive and the pigments or fluorescent dyes or phosphorescent is usually less expensive but easier access for counterfeiters.
  • the reagent-tester it is included in the present invention to employ a single pair in which the reagent reacts by absorbing the light not in a wavelength range but at a very long wavelength. specific emitted by the tester and possibly very narrow, and emits light in an area of unusual frequency or a very specific color.
  • the security document is a parking card or a credential badge contained in a closed vehicle visible from the outside, said badge or said parking card comprising elements that can not be reproduced identically by photocopy. or scanning in the form of scintillating particles and having on its surface a reagent capable of forming a coloration under the action of an ultraviolet laser authenticating radiation or under the action of infrared laser radiation, the tester also emitting a second laser pointer radiation perceptible to the eye so as to allow the orientation of the tester to the authentication area, said pointer radiation preferably being red, green or white.
  • the document also comprises at least one item that can not be reproduced identically by photocopying or scanning, which is also authenticatable to the sun or under the action of a white light by a visible optical effect. at a distance, such as for example a flicker, which flicker is similar to that of snow in the sun, that is to say shining points randomly distributed reflecting the light.
  • a distance such as for example a flicker, which flicker is similar to that of snow in the sun, that is to say shining points randomly distributed reflecting the light.
  • the reagent can be included in an ink, a clear lacquer, an adhesive or directly in the form of a powder between films and be deposited in a uniform and homogeneous manner, it is also envisaged in the context of the invention, and whatever either the variant, that the reagent is in the form of points of dimensions of between 30 ⁇ and 800 ⁇ on the surface or in the texture of the document, which points are included in an ink, a varnish, a plastic film, an adhesive or in the mass of the substrate itself, especially when said substrate is a paper, the document further comprising non-reproducible identical elements by photocopying or scanning formed by scintillating particles in the form of platelets and constituted by a part central borosilicate and one or several surface coatings forming reflective layers for light.
  • the reagents capable of developing the colorations provided for in the present invention are known in the field of security for short-range authentication applications for the control of banknotes or passports, such products are for example marketed by companies. Honeywell, Epolin, Capricon Chemicals, Phosphor Technology, etc.
  • the reagent is chosen according to its ability to develop an intense coloring and easily perceptible to the sun at a distance of from 30 cm to more than one meter as well as for its stability with respect to light aging, because of the repeated and prolonged exposures of the document under the sun in vehicles, such reagents are advantageously mineral pigments incorporating rare earths in their composition.
  • the scintillating particles in the form of platelets are reflective and include in their structure at least one optically transparent material, generally a compound classified in the general family of glasses, for example a borosilicate.
  • the dimensions of the scintillating particles are less than 300 ⁇ , and preferably between 50 and 250 ⁇ so that the reflecting effect is optimal. Too fine particles, that is to say, the size of the usual coating pigments, typically less than 30 microns, have a very attenuated scintillating effect.
  • the reflective effect of the wafers is created by the combination of an optically transparent material and a light-reflecting material, the manufacture of such particles in the form of wafers is known per se and carried out in particular by the company Merck which has developed technologies for obtaining particles with different materials in successive layers, different variants of these materials are marketed in the MIRAVAL® range, the reference more particularly chosen in the context of this application is the reference 541 1 Magic White.
  • the invention also relates to a method for authenticating a document remotely under varying light conditions through a transparent or translucent physical barrier by means of a tester, in which: the document comprises at least one reagent developing a coloration under the action of spatially and temporally coherent radiation, laser type, emitted by the tester, which authenticator radiation is either a laser beam emitting infrared light, more particularly a light at 980 nm and the color developing reagent being an anti-Stokes pigment, or a laser beam emitting a light close to 360 nm and the reagent developing the coloring being a dye or a fluorescent or phosphorescent pigment, the document also comprises elements that are not reproducible identically by photocopying or scanning in the form of scintillating particles, the tester comprises means for positioning enough precisely the radiation authenticator on the security document at a distance of between a few centimeters and more than one meter, which radiation pointer is preferably a laser beam emitting in a wavelength range perceptible to the eye, the method of authentication
  • the tester according to the invention thus comprises at least one device for the emission of a laser beam in the field of perception of the eye and advantageously two radii in the visible range and one in the non-perceptible range.
  • a lamp and a focusing device for the emission of a white or colored light beam promoting the perception of flicker security document containing the elements which prevent identical copying or scanning, nothing also prohibits to include in the tester other authentication devices such as RFID reader to authenticate the vehicle, magnetic reader, traditional UV lamp in which the emission of light is not a laser beam and any other known authenticator device allowing for example the authentication of documents, in particular those that can be requested drivers, for example driving license or identity card, or allowing the identification of the vehicle itself.
  • the tester is advantageously in the form of a thin cylindrical tube of a length of the order of ten centimeters provided with a press button simultaneously actuating authentication and pointing, however without departing from the scope of the Different shapes, configurations and dimensions are possible for said tester and it may be envisaged to place additional lamps, especially white light, to improve the functionality of the control instrument.
  • the secure document may contain various other security elements conventionally known for authenticating the document in an expertise step, which other elements may be those known in the field such as security threads, a watermark on the paper, holograms, optically variable inks, fluorescent fibers or points, phosphorescent, multiple effects, etc. without departing from the scope of the invention.
  • the reagent developing the reaction under the action of the authenticator radiation may be carried by a security thread, a transferable authenticatable band, a window inserted in the document, a hologram, and generally included in any security device already known to contain markers, fluorescent or phosphorescent elements, various reagents, and especially also in security inks which will be a preferred mode of introduction of the reagents on the secure document.

Abstract

The present invention relates to a security document that is remotely authenticable under variable lighting conditions through a transparent or translucent physical barrier by means of a tester, as well as to the corresponding tester and to the test method, wherein the invention is characterized in that the document comprises at least one reactant changing color by spatially and temporally coherent laser radiation, emitted by the tester, wherein said radiation is referred to as the authenticating radiation, and is further characterized in that said tester comprises a means enabling said authenticating radiation to be sufficiently accurately positioned on the security document at a distance of between a few centimeters and more than a meter, the means enabling the radiation to be positioned on a document being laser radiation or intense and narrow radiation referred to as a pointer radiation emitted within the range of perception of the eye, said tester thus emitting at least one remotely visible radiation.

Description

DOCUMENT SECURISE, TESTEUR ET METHODE D'AUTHENTIFICATION  SECURE DOCUMENT, TESTER AND METHOD OF AUTHENTICATION
L'invention concerne un document de sécurité authentifiable à distance et un testeur permettant l'authentification. The invention relates to a remote authenticated authentication document and a tester for authentication.
Les documents de sécurité tels que billets de banque, pièces d'identité, permis de conduire, cartes bancaires, tickets de voyages, vouchers, chèques, bon cadeaux, etc .. doivent être protégés contre la copie et disposer d'éléments permettant la vérification de manière certaine du document. Ces éléments sont des fils de sécurité, tels que par exemple ceux décrits dans les documents US 61 321 , EP 59 056, JP 63182497, des hologrammes, indiqués notamment dans US 3 552 853, US 3 668 795, JP 2009015338, US 2009154813, des encres optiquement variables, explicitées dans la demande WO 061 17271 ou dans le brevet US 6 472 455, des films optiquement variables tel que décrits par exemple dans JP 2009107259, et différents marqueurs incorporés dans le corps du document ou à sa surface. Tous ces éléments de sécurité ont fait la preuve de leur efficacité au cours des années et sont largement utilisés, généralement en combinaison, dans les documents de sécurité, toutefois la détection de ces éléments, soit par un appareil automatique dans le cas des billets de banque, soit par un appareil transportable, se fait dans toutes les situations à une courte distance, de l'ordre de quelques centimètres tout au plus. Security documents such as banknotes, identity documents, driving licenses, bank cards, travel vouchers, vouchers, checks, gift certificates, etc. must be protected against copying and have elements allowing the verification in a certain way of the document. These elements are security threads, such as those described in documents US 61 321, EP 59 056, JP 63182497, holograms, indicated in particular in US 3,552,853, US 3,668,795, JP 2009015338, US 2009154813, optically variable inks, explained in the application WO 061 17271 or in patent US 6 472 455, optically variable films as described for example in JP 2009107259, and various markers incorporated in the body of the document or on its surface. All these security features have proved their effectiveness over the years and are widely used, usually in combination, in security documents, however the detection of these elements, either by an automatic device in the case of banknotes or by a transportable device, is done in all situations at a short distance, of the order of a few centimeters at most.
Il se pose un problème spécifique pour les documents de type cartes accréditives et cartes de parkings qui sont placées dans des véhicules et qui doivent être à la fois protégés contre la reproduction et doivent aussi pouvoir être authentifiés à distance dans l'environnement clos d'un véhicule, lorsque celui-ci est par exemple garé sur une place réservée aux handicapés et que seuls les véhicules des véritables handicapés peuvent occuper. There is a specific problem for credential cards and parking card documents that are placed in vehicles and that must be both protected against reproduction and must also be able to be authenticated remotely in the closed environment of a vehicle. vehicle, for example when it is parked in a place reserved for the disabled and only vehicles of the real disabled can occupy.
Compte tenu de la difficulté de se garer dans la plupart des villes et compte tenu de la présence de places réservées pour certaines catégories de véhicules, relativement disponibles, celles pour les handicapés notamment, il s'est développé une fraude massive sur ce type de carte. Given the difficulty of parking in most cities and given the presence of reserved seats for certain categories of vehicles, relatively available, those for the disabled in particular, it developed a massive fraud on this type of card .
Le problème à résoudre pour sécuriser et pour authentifier ces documents se pose de la manière suivante : The problem to solve to secure and authenticate these documents is as follows:
- le document doit disposer d'un dispositif évitant la reproduction à l'identique par les moyens accessibles à tout un chacun, c'est-à-dire par des moyens de reprographie couleur et par scannage puis impression avec des moyens domestiques, de type imprimante jet d'encre ou laser, - le document doit disposer d'un moyen d'authentification à distance, la carte accréditive ou le ticket peut être placé sur le tableau de bord du véhicule ou plaqué contre le pare-brise, c'est-à-dire à une distance du testeur actionné par le vérificateur de l'ordre de quelques centimètres à quelques dizaines de centimètres, ou peut être placé sur un siège ou d'un côté du véhicule difficilement accessible pour le contrôleur, c'est- à-dire à une distance pouvant être supérieure à un mètre, ce qui représente une distance de détection totalement hors de portée des techniques connues, the document must have a device which avoids the reproduction in the same way by the means accessible to everyone, that is to say by means of color reproduction and by scanning and printing with domestic means, such as inkjet or laser printer, - the document must have a means of remote authentication, the credit card or ticket may be placed on the dashboard of the vehicle or pressed against the windshield, that is to say at a distance of tester operated by the tester of the order of a few centimeters to a few tens of centimeters, or can be placed on a seat or side of the vehicle difficult to access for the controller, that is to say at a distance that can be greater than one meter, which represents a detection distance totally beyond the reach of known techniques,
- par ailleurs cette authentification doit pouvoir être réalisée dans des conditions variables de luminosité puisque le véhicule peut se trouver dans un parking intérieur ou en plein soleil en extérieur, ce qui est également inhabituel et très défavorable par rapport aux conditions usuelles de vérification, - Moreover this authentication must be able to be performed in varying light conditions since the vehicle can be in an indoor parking lot or in full sun outside, which is also unusual and very unfavorable compared to the usual conditions of verification,
- l'authentification doit aussi être réalisée au travers du pare-brise ou d'une vitre du véhicule, cette barrière physique accentue la difficulté de vérification, notamment car les vitres peuvent être teintées ou partiellement réfléchissantes et parfois revêtues de films colorés, - The authentication must also be carried out through the windshield or glass of the vehicle, this physical barrier accentuates the difficulty of verification, especially because the windows can be tinted or partially reflective and sometimes coated with colored films,
- bien évidemment le document doit pouvoir être authentifié plusieurs fois sans laisser de trace et sans que le dispositif utilisé soit réalisable et visible par le possesseur du document, - Of course the document must be authenticated several times without leaving a trace and without the device used is feasible and visible by the owner of the document,
- le testeur quant à lui doit être fiable, de faible coût et utilisable dans toutes les conditions climatiques pouvant être rencontrées par un contrôleur pour des documents placés dans tous les types de véhicules. - The tester meanwhile must be reliable, low cost and usable in all weather conditions that may be encountered by a controller for documents placed in all types of vehicles.
Le seul système connu pouvant répondre à la plupart des critères précédents est l'authentification radiofréquence, dite RFID, dans laquelle un système électronique miniaturisé est inclus dans le document, ou placé à sa surface, et porteur d'informations permettant l'authentification, le dispositif étant lu à distance au moyen d'un lecteur adapté émettant une onde dans le domaine des fréquences radio. Un tel dispositif est connu de longue date et appliqué dans le domaine des documents d'identité, des passeports notamment, et décrit dans différents brevets, par exemple, pour n'en citer que quelques uns, dans les documents WO 0036555, WO 05098748, WO 05100021 , WO 08119904, WO 2009007659, FR 2 899 000, EP 2 084 654, US 20030006121. Pour le problème spécifique à résoudre énoncé précédemment les dispositifs RFID possèdent plusieurs difficultés majeures qui les rendent quasiment inutilisables dans le présent contexte : The only known system that can meet most of the above criteria is radiofrequency authentication, known as RFID, in which a miniaturized electronic system is included in the document, or placed on its surface, and carrying information enabling the authentication, the device being remotely read by means of a suitable reader emitting a wave in the radio frequency range. Such a device is known for a long time and applied in the field of identity documents, including passports, and described in various patents, for example, to name only a few, in WO 0036555, WO 05098748, WO 05100021, WO 08119904, WO 2009007659, FR 2 899 000, EP 2 084 654, US 20030006121. For the specific problem to be solved previously RFID devices have several major difficulties that make them almost unusable in the present context:
- le dispositif placé sur le document, sous forme de puce par exemple, est coûteux et peu pratique à installer, très peu d'imprimeurs sont équipés pour réaliser cette opération simultanément à une impression et le procédé papetier engendre un surcoût important pour le document produit, the device placed on the document, in the form of a chip, for example, is expensive and impractical to install, very few printers are equipped to perform this operation simultaneously with printing, and the paper-making process generates an important additional cost for the document produced. ,
- le lecteur est coûteux et relativement encombrant, - l'authentification n'est pas efficace pour tous les véhicules en raison de la présence de particules métalliques dans les pare-brises qui forment des écrans électromagnétiques perturbateurs qui gênent ou empêchent l'authentification. - The reader is expensive and relatively bulky, - the authentication is not effective for all vehicles because of the presence of metal particles in windshields that form disruptive electromagnetic screens that hinder or prevent authentication.
L'invention a donc pour objectif de résoudre le problème spécifique énoncé précédemment en proposant un nouveau système d' authentification couplant un document sécurisé avec un pointeur spécifique. The invention therefore aims to solve the specific problem stated above by proposing a new authentication system coupling a secure document with a specific pointer.
La présente invention concerne ainsi un document de sécurité authentifiable à distance dans des conditions variables de luminosité à travers une barrière physique transparente ou translucide au moyen d'un testeur, ainsi que le testeur correspondant et la méthode de test, l'invention est caractérisée par le fait que le document comporte au moins un réactif développant une coloration sous l'action d'un rayonnement spatialement et temporellement cohérent, de type laser, émis par le testeur, ledit rayonnement étant nommé rayonnement authentificateur, et par le fait que ledit testeur comporte un moyen permettant de positionner assez précisément ledit rayonnement authentificateur sur le document de sécurité à une distance comprise entre quelques centimètres et plus d'un mètre, le moyen permettant de positionner le rayonnement sur le document étant un rayonnement laser ou un rayonnement intense et étroit dit rayonnement pointeur émis dans le domaine de perception de l'œil, ledit testeur émettant ainsi au moins un rayonnement visible à distance. The present invention thus relates to a security document that can be authenticated remotely under varying light conditions through a transparent or translucent physical barrier by means of a tester, as well as the corresponding tester and the test method, the invention is characterized by the fact that the document comprises at least one reagent developing a coloration under the action of spatially and temporally coherent laser-like radiation emitted by the tester, said radiation being called authenticator radiation, and in that said tester comprises means for accurately positioning said authenticator radiation on the security document at a distance between a few centimeters and more than one meter, the means for positioning the radiation on the document being a laser beam or an intense and narrow radiation said pointer radiation emitted in the area of perception of the eye, said tester thus emitting at least one visible radiation at a distance.
Les avantages du système associant le document sécurisé et le testeur spécifique selon l'invention sont multiples : l'authentification est réalisable à une distance variable entre le document et le testeur et dans des conditions variables de luminosité, pour tous les types de véhicules, - le testeur est bon marché, fiable, d'utilisation simple et facile à transporter, The advantages of the system associating the secured document and the specific tester according to the invention are multiple: authentication is possible at a variable distance between the document and the tester and under varying lighting conditions, for all types of vehicles, the tester is cheap, reliable, simple to use and easy to transport,
- le document peut être fabriqué pour un surcoût modique en raison du fait que seule une partie du document peut être sécurisée pour l'authentification, et que le traitement est réalisable par les moyens d'impression classiques, the document can be manufactured for a modest additional cost because only part of the document can be secured for authentication, and the processing can be performed by conventional printing means,
- le document peut être traité pour être non reproductible par photocopie ou scannage simultanément au traitement employé pour l'authentification et éventuellement même en appliquant une encre d'impression unique contenant tous les produits, the document can be processed to be reproducible by photocopying or scanning simultaneously with the processing used for the authentication and possibly even by applying a single printing ink containing all the products,
- l'emploi de particules scintillantes pour le dispositif anti-copie amène également une possibilité complémentaire d'authentification à distance, the use of scintillating particles for the anti-copy device also brings an additional possibility of remote authentication,
- la méthode d'authentification est simple, à la portée de tous les contrôleurs et utilisable dans tous les pays.  - the authentication method is simple, within the reach of all controllers and usable in all countries.
D'autres caractéristiques et avantages de l'invention se dégageront de la description qui va suivre. Other features and advantages of the invention will emerge from the description which follows.
Dans la présente invention certains termes doivent être compris de la manière suivante : - Document de sécurité : tout document papier, plastique ou laminât contenant des éléments empêchant la copie à l'identique ou la reproduction par scannage puis impression, et/ou, tout document contenant des matières permettant son authentification et son identification, des traceurs ou des marqueurs par exemple, et/ou, tout document contenant des éléments chimiques réactifs à des agents d'effacement en provoquant par exemple une coloration sur le document, et/ou tout document émettant une émission de lumière dans certaines conditions d'éclairage ou d'observation spécifiques. L'authentification pouvant être humaine ou automatisée avec des appareils adaptés. In the present invention certain terms should be understood as follows: - Security document: any paper, plastic or laminate document containing elements preventing identical copying or reproduction by scanning and then printing, and / or, any document containing materials allowing its authentication and identification, tracers or markers for example, and / or any document containing chemical elements reactive to erasing agents, for example by causing coloration on the document, and / or any document emitting light emission under specific lighting or observation conditions. The authentication can be human or automated with suitable devices.
- Authentifiable à distance : une visualisation de la réaction physique d'identification permettant de certifier l'origine du document sans contact et à une distance pouvant être comprise entre quelques centimètres et plus d'un mètre, sachant qu'usuellement l'authentification d'un document est réalisée soit par contact direct entre le testeur et le document, soit à une distance très courte de l'ordre de quelques millimètres à quelques centimètres tout au plus, les seuls systèmes d'authentification comparables à ceux décrits ici sont les dispositifs RFID dans lesquels une puce est incluse dans le document et un lecteur distant émet une radiation radiofréquence permettant une réponse en retour du document, de tels systèmes sans contact permettent une lecture des informations d'identification à plusieurs mètres. - Authenticable remotely: a visualization of the physical identification reaction to certify the origin of the document without contact and at a distance that can be between a few centimeters and more than one meter, knowing that the authentication of a document is produced either by direct contact between the tester and the document, either at a very short distance of the order of a few millimeters to a few centimeters at most, the only authentication systems comparable to those described here are the RFID devices in which a chip is included in the document and a remote reader emits radiofrequency radiation allowing a response back of the document, such contactless systems allow reading of the identification information to several meters.
Conditions variables de luminosité : un document placé dans un véhicule, tel que par exemple une carte accréditive ou un ticket de parking, est soumis à l'éclairage ambiant, le véhicule peut se trouver au soleil en extérieur et le document être fortement éclairé, ou encore à l'intérieur d'un parking couvert et faiblement éclairé, par ailleurs les vitres du véhicule peuvent être partiellement réfléchissantes ou teintées et l'authentification du document peut donc en être affectée, il est par exemple totalement impossible d'authentifier des documents porteurs d'impressions avec des encres optiquement variables (OVD) ou d'hologrammes dans des conditions variables d'éclairage à une distance du document supérieure à une trentaine de centimètres derrière une barrière physique transparente ou translucide. Variable light conditions: a document placed in a vehicle, such as for example a credit card or a parking ticket, is subject to ambient lighting, the vehicle may be in the sun outdoors and the document be strongly lit, or still inside a covered parking and dimly lit, moreover the windows of the vehicle can be partially reflective or tinted and the authentication of the document can therefore be affected, it is for example completely impossible to authenticate carrier documents prints with optically variable inks (OVD) or holograms under varying lighting conditions at a document distance greater than about 30 centimeters behind a transparent or translucent physical barrier.
Barrière physique transparente ou translucide : tout type de vitrage, teinté ou non, partiellement réfléchissant ou totalement transparent, utilisable pour réaliser des pare-brises et des vitres de manière plus générale, en pratique tout environnement fermé permettant une vision au moins partielle de la zone contenant le document à authentifier et permettant le passage d'un rayonnement tel que décrit par la présente invention, il peut ainsi s'agir de l'habitacle d'un véhicule mais également d'une boite hermétiquement close contenant des éléments de valeur et disposant d'une fenêtre, ou d'autres applications voisines. Transparent or translucent physical barrier: any type of glazing, tinted or not, partially reflective or totally transparent, used to make windscreens and windows more generally, in practice any closed environment allowing at least partial vision of the area containing the document to be authenticated and allowing the passage of a radiation as described by the present invention, it can thus be the passenger compartment of a vehicle but also a hermetically sealed box containing valuable elements and having a window, or other neighboring applications.
Par positionnement assez précis du rayonnement authentificateur au moyen d'un rayonnement pointeur il doit être compris que le pointeur permet de visualiser la zone où se situe le rayonnement authentificateur, cette zone peut être un point dans le cas d'un faisceau laser très focalisé mais aussi une ligne, une croix, un cercle, un disque, le testeur émettant dans ce dernier cas un cône de lumière plus ou moins ouvert, idéalement la zone marquée du document, celle comportant le réactif, est réduite, et le positionnement du rayonnement authentificateur doit être assez précis pour que le vérificateur ne perde pas trop de temps dans le positionnement du rayonnement. Avantageusement le rayonnement pointeur sur le document peut se présenter en un point, un disque de faible dimension ou une croix, en revanche le rayonnement authentificateur sera avantageusement un disque pour couvrir facilement la zone à authentifier en balayant une surface plus grande que celle du rayonnement pointeur. By relatively precise positioning of the authenticator radiation by means of a pointer radiation it should be understood that the pointer makes it possible to visualize the zone where the authenticating radiation is located, this zone may be a point in the case of a highly focused laser beam but also a line, a cross, a circle, a disk, the tester emitting in the latter case a more or less open cone of light, ideally the marked area of the document, that containing the reagent, is reduced, and the positioning of the authenticator radiation must be precise enough so that the auditor does not waste too much time in positioning the radiation. Advantageously, the pointer radiation on the document may be at a point, a small disk or a cross, however the authenticator radiation will advantageously be a disk to easily cover the area to be authenticated by scanning a larger surface than that of the radiation pointer .
Selon l'invention le document de sécurité est authentifiable à distance dans des conditions variables de luminosité à travers une barrière physique transparente ou translucide au moyen d'un testeur, l'invention concerne aussi le testeur correspondant, l'ensemble document - testeur étant indissociable. L'invention concerne également une méthode d'authentification employant un document sécurisé et un testeur. According to the invention, the security document can be authenticated remotely under varying light conditions through a transparent or translucent physical barrier by means of a tester, the invention also relates to the corresponding tester, the document-tester assembly being inseparable. . The invention also relates to an authentication method using a secure document and a tester.
Plus précisément la présente invention concerne l'authentification d'un document de sécurité par un appareil de test se situant à une distance comprise entre 20 centimètres et deux mètres. Le document de sécurité pouvant être placé selon une orientation quelconque par rapport au testeur. More specifically, the present invention relates to the authentication of a security document by a test device located at a distance of between 20 centimeters and two meters. The security document can be placed in any orientation relative to the tester.
L'invention est caractérisée par le fait que le document comporte au moins un réactif développant une coloration sous l'action d'un rayonnement spatialement et temporellement cohérent, de type laser, émis par le testeur, ledit rayonnement étant nommé rayonnement authentificateur, et par le fait que ledit testeur comporte un moyen permettant de positionner assez précisément ledit rayonnement authentificateur sur le document de sécurité à une distance comprise entre quelques centimètres et plus d'un mètre. The invention is characterized in that the document comprises at least one reagent developing a coloration under the action of a spatially and temporally coherent radiation, of laser type, emitted by the tester, said radiation being called authenticator radiation, and by the fact that said tester comprises means for positioning said authenticator radiation fairly accurately on the security document at a distance of between a few centimeters and more than one meter.
Lorsque le document de sécurité est placé sur le tableau de bord d'un véhicule le testeur ne peut pratiquement pas être approché à moins d'une vingtaine de centimètres de la zone à contrôler, si le document est apposé sur la face intérieure du pare-brise cette distance peut évidemment être plus petite. When the safety document is placed on the dashboard of a vehicle, the tester can hardly be approached within twenty centimeters of the area to be inspected, if the document is affixed to the inside of the vehicle. breaks this distance can obviously be smaller.
Laquelle zone à contrôler peut être très variable, il peut s'agir d'un emplacement de quelques millimètres carrés placé en un endroit spécifique du document, il peut s'agir de quelques centimètres carrés sur une zone imprimée, laquelle pouvant être colorée ou non, il peut aussi s'agir d'un revêtement sur la totalité de la surface du document bien que cela soit à l'évidence plus coûteux. Which area to control can be very variable, it can be a location of a few square millimeters placed in a specific place of the document, it can be a few square centimeters on a printed area, which can be colored or not it can also be a coating on the entire surface of the document although it is obviously more expensive.
La coloration développée par le document sous l'action du rayonnement authentificateur est réversible, soit immédiatement après coupure du faisceau, soit après un temps bref si le réactif est susceptible de développer de la phosphorescence. De manière avantageuse la coloration développée est intense, c'est-à-dire visible à une distance pouvant atteindre plus d'un mètre en plein soleil, ou plusieurs mètres dans l'obscurité, sous l'action du testeur selon l'invention. Le réactif authentificateur est introduit par tous moyens envisageables dans le document sécurisé ou à sa surface, par un moyen papetier dans la masse du document, par un moyen d'impression appliqué en surface ou encore par un moyen de transformation par exemple par une technique de transfert ou de pulvérisation, ou par un adhésif positionné entre des films de laminage. Selon l'invention le moyen permettant de positionner le rayonnement sur le document est un rayonnement laser ou un rayonnement intense et étroit, lequel rayonnement étant émis dans le domaine de perception de l'œil, ledit testeur émettant ainsi au moins un rayonnement visible à distance, lequel étant nommé rayonnement pointeur. Par rayonnement intense et étroit il doit être compris que le faisceau lumineux visible doit être assez focalisé pour que la surface du rayon qui percute le document à une distance de l'ordre de 1.5 mètre ne soit pas supérieure à quelques centimètres carrés, idéalement que la plus grande distance visible du rayonnement pointeur sur le document soit inférieure à 5 cm, de manière à permettre une authentification aisée avec le rayonnement authentificateur. L'éclairage par le pointeur doit être suffisamment puissant pour que le rayon pointeur puisse être aisément visible par le contrôleur lorsque le document est placé au soleil dans un véhicule à une distance supérieure à 1 mètre ou de cet ordre de grandeur. Le meilleur dispositif envisageable pour le rayonnement pointeur est un rayon laser coloré toutefois un rayon lumineux focalisé produit par une lampe à incandescence, une diode ou tout autre moyen connu n'est pas exclu. The coloring developed by the document under the action of the authenticator radiation is reversible, either immediately after cutting the beam, or after a short time if the reagent is likely to develop phosphorescence. Advantageously, the coloration developed is intense, that is to say visible at a distance of up to more than one meter in full sun, or several meters in the dark, under the action of the tester according to the invention. The authenticating reagent is introduced by any means conceivable in the secure document or on its surface, by a paper-making means into the mass of the document, by a printing means applied on the surface or by a means of transformation, for example by a technique of transfer or sputtering, or by an adhesive positioned between rolling films. According to the invention the means for positioning the radiation on the document is laser radiation or intense and narrow radiation, which radiation is emitted in the field of perception of the eye, said tester thus emitting at least one visible radiation at a distance which is called pointer radiation. By intense and narrow radiation it must be understood that the visible light beam must be sufficiently focused so that the area of the ray striking the document at a distance of the order of 1.5 meters is not greater than a few square centimeters, ideally that the greater visible distance of the pointer radiation on the document is less than 5 cm, so as to allow easy authentication with the authenticator radiation. The pointer lighting must be strong enough that the pointer beam can be easily seen by the controller when the document is placed in the sun in a vehicle at a distance greater than 1 meter or so. The best possible device for the radiation pointer is a colored laser beam, however, a focused light beam produced by an incandescent lamp, a diode or any other known means is not excluded.
Avantageusement selon l'invention le rayonnement pointeur est un rayonnement laser violet émettant de préférence dans une zone autour de 405 nm, à la limite du domaine visible, ou un rayonnement laser rouge émettant de préférence dans une zone autour de 650 nm. Advantageously according to the invention, the pointer radiation is a violet laser radiation emitting preferably in a zone around 405 nm, at the edge of the visible range, or a red laser radiation emitting preferably in a zone around 650 nm.
Ces deux types de rayonnements sont relativement classiques et permettent de disposer d'un pointeur bon marché. These two types of radiation are relatively conventional and make it possible to have a cheap pointer.
Selon une première variante de l'invention le rayonnement authentificateur produisant une réaction colorée sur le document est un faisceau laser émettant dans une plage de longueurs d'ondes perceptible à l'œil, le rayonnement authentificateur et le rayonnement pointeur ayant la même source, lequel rayonnement étant : un faisceau laser émettant une lumière violette dans une zone comprise entre 360 et 420 nm et le réactif produisant la coloration est un colorant ou un pigment fluorescent ou phosphorescent émettant dans la zone visible du spectre en une couleur différente du violet, ou un faisceau laser émettant une lumière rouge dans une zone comprise entre 600 et 800 nm et le réactif produisant la coloration est un colorant ou un pigment émettant dans la zone visible du spectre en une couleur différente de celle du pointeur, et de préférence le réactif est peu ou pas coloré en lumière du jour ou d'une couleur non gênante lorsque celui-ci est inclus dans une encre d'impression, un vernis ou un revêtement de surface. According to a first variant of the invention, the authenticator radiation producing a colored reaction on the document is a laser beam emitting in a wavelength range that is perceptible to the eye. authenticating radiation and the pointer radiation having the same source, which radiation is: a laser beam emitting a violet light in an area between 360 and 420 nm and the reagent producing the coloration is a dye or a fluorescent or phosphorescent pigment emitting in the zone visible spectrum in a different color of the violet, or a laser beam emitting a red light in an area between 600 and 800 nm and the reagent producing the coloring is a dye or a pigment emitting in the visible area of the spectrum in a different color that of the pointer, and preferably the reagent is little or not colored in daylight or a non-interfering color when it is included in a printing ink, a varnish or a surface coating.
Selon une deuxième variante de l'invention le rayonnement authentificateur produisant une réaction colorée sur le document est un faisceau laser émettant dans une plage de longueurs d'ondes imperceptible à l' il, le testeur émettant deux faisceaux laser de longueurs d'ondes différentes, parallèles et spatialement proches, un rayonnement authentificateur invisible et un rayonnement pointeur perceptible à l'œil. Avantageusement selon cette deuxième variante le rayonnement authentificateur est un faisceau laser émettant une lumière infrarouge, plus particulièrement une lumière à 980 nm et le réactif développant la coloration est un pigment anti-Stokes, ou un faisceau laser émettant une lumière voisine de 360 nm et le réactif développant la coloration est un colorant ou un pigment fluorescent ou phosphorescent, dans l'une ou l'autre situation le réactif est peu ou pas coloré en lumière du jour ou d'une couleur non gênante lorsque celui-ci est inclus dans une encre d'impression, un vernis ou un revêtement de surface. According to a second variant of the invention, the authenticator radiation producing a colored reaction on the document is a laser beam emitting in a wavelength range imperceptible to the eye, the tester emitting two laser beams of different wavelengths, parallel and spatially close, an invisible authenticating radiation and a pointer radiation perceptible to the eye. Advantageously, according to this second variant, the authenticator radiation is a laser beam emitting an infrared light, more particularly a light at 980 nm, and the staining developing reagent is an anti-Stokes pigment, or a laser beam emitting a light close to 360 nm and the staining developing reagent is a dye or a fluorescent or phosphorescent pigment, in either situation the reagent is little or not colored in daylight or a non-annoying color when it is included in an ink printing, varnish or surface coating.
Les divers réactifs envisageables peuvent être choisis de différentes manières selon qu'une authentification unique est recherchée, par exemple au moyen d'un réactif très particulier non diffusé commercialement et produit spécifiquement pour cette application, ou selon qu'une authentification avec des produits plus classiques est souhaitée. Dans la première situation la sécurisation du document est très élevée mais le coût de la protection est grand, dans la deuxième situation la protection est bon marché et la protection plus faible. Les pigments et colorants anti-Stokes étant considérés comme coûteux et les pigments ou colorants fluorescents ou phosphorescents étant usuellement moins onéreux mais d'accès plus facile pour les faussaires. The various reagents that can be envisaged can be chosen in different ways depending on whether a single authentication is sought, for example by means of a very particular reagent that is not commercially diffused and produced specifically for this application, or that an authentication with more conventional products. is desired. In the first situation the security of the document is very high but the cost of the protection is great, in the second situation the protection is cheap and the protection weaker. The anti-Stokes pigments and dyes being considered expensive and the pigments or fluorescent dyes or phosphorescent is usually less expensive but easier access for counterfeiters.
Outre les combinaisons « réactif - testeur » décrites précédemment il est inclus dans la présente invention d'employer un couple unique dans lequel le réactif réagit en absorbant la lumière non pas dans une plage de longueurs d'ondes mais à une longueur d'onde très spécifique émise par le testeur et éventuellement très étroite, et émet une lumière dans une zone de fréquence inhabituelle ou en une couleur très spécifique. In addition to the "reagent-tester" combinations described above, it is included in the present invention to employ a single pair in which the reagent reacts by absorbing the light not in a wavelength range but at a very long wavelength. specific emitted by the tester and possibly very narrow, and emits light in an area of unusual frequency or a very specific color.
Selon la deuxième variante de l'invention le document de sécurité est une carte de parking ou un badge accréditif contenu dans un véhicule fermé visible depuis l'extérieur, ledit badge ou ladite carte de parking comportant des éléments non reproductibles à l'identique par photocopie ou scannage sous forme de particules scintillantes et disposant sur sa surface d'un réactif susceptible de former une coloration sous l'action d'un rayonnement authentificateur laser ultraviolet ou sous l'action d'un rayonnement laser infrarouge, le testeur émettant en outre un deuxième rayonnement pointeur laser perceptible à l'œil de manière à permettre l'orientation du testeur vers la zone d'authentification, ledit rayonnement pointeur étant de préférence de couleur rouge, verte ou blanche. Avantageusement selon les deux variantes de l'invention le document comporte en outre au moins un élément non reproductible à l'identique par photocopie ou scannage, lequel étant également authentifiable au soleil ou sous l'action d'une lumière blanche par un effet optique visible à distance, tel que par exemple un scintillement, lequel scintillement s'apparentant à celui de la neige au soleil c'est-à-dire des points brillants répartis de manière aléatoire réfléchissant la lumière. According to the second variant of the invention the security document is a parking card or a credential badge contained in a closed vehicle visible from the outside, said badge or said parking card comprising elements that can not be reproduced identically by photocopy. or scanning in the form of scintillating particles and having on its surface a reagent capable of forming a coloration under the action of an ultraviolet laser authenticating radiation or under the action of infrared laser radiation, the tester also emitting a second laser pointer radiation perceptible to the eye so as to allow the orientation of the tester to the authentication area, said pointer radiation preferably being red, green or white. Advantageously, according to the two variants of the invention, the document also comprises at least one item that can not be reproduced identically by photocopying or scanning, which is also authenticatable to the sun or under the action of a white light by a visible optical effect. at a distance, such as for example a flicker, which flicker is similar to that of snow in the sun, that is to say shining points randomly distributed reflecting the light.
Le réactif peut être inclus dans une encre, un vernis transparent, un adhésif ou directement sous forme d'une poudre entre des films et être déposé de manière uniforme et homogène, il est également envisagé dans le cadre de l'invention, et quelle que soit la variante, que le réactif se présente sous forme de points de dimensions comprises entre 30 μ et 800 μ à la surface ou dans la texture du document, lesquels points étant inclus dans une encre, un vernis, un film plastique, un adhésif ou dans la masse du substrat lui-même, notamment lorsque ledit substrat est un papier, le document comportant en outre des éléments non reproductibles à l'identique par photocopie ou scannage formés par des particules scintillantes se présentant sous forme de plaquettes et constituées par une partie centrale en borosilicate et un ou plusieurs revêtements de surface formant des couches réfléchissantes pour la lumière. The reagent can be included in an ink, a clear lacquer, an adhesive or directly in the form of a powder between films and be deposited in a uniform and homogeneous manner, it is also envisaged in the context of the invention, and whatever either the variant, that the reagent is in the form of points of dimensions of between 30 μ and 800 μ on the surface or in the texture of the document, which points are included in an ink, a varnish, a plastic film, an adhesive or in the mass of the substrate itself, especially when said substrate is a paper, the document further comprising non-reproducible identical elements by photocopying or scanning formed by scintillating particles in the form of platelets and constituted by a part central borosilicate and one or several surface coatings forming reflective layers for light.
Les réactifs susceptibles de développer les colorations prévues dans la présente invention sont connus dans le domaine de la sécurité pour des applications d'authentification à courte distance pour le contrôle des billets de banque ou des passeports, de tels produits sont par exemple commercialisés par les sociétés Honeywell, Epolin, Capricon Chemicals, Phosphor Technology, etc.... Dans la présente invention le réactif est choisi en fonction de sa capacité à développer une coloration intense et aisément perceptible au soleil à une distance pouvant être de 30 cm à plus d'un mètre ainsi que pour sa stabilité par rapport au vieillissement lumière, en raison des expositions répétées et prolongées du document sous le soleil dans les véhicules, de tels réactifs sont avantageusement des pigments minéraux intégrant des terres rares dans leur composition. Les particules scintillantes sous forme de plaquettes sont réfléchissantes et intègrent dans leur structure au moins un matériau optiquement transparent, en général un composé classé dans la famille générale des verres, par exemple un borosilicate. The reagents capable of developing the colorations provided for in the present invention are known in the field of security for short-range authentication applications for the control of banknotes or passports, such products are for example marketed by companies. Honeywell, Epolin, Capricon Chemicals, Phosphor Technology, etc. In the present invention the reagent is chosen according to its ability to develop an intense coloring and easily perceptible to the sun at a distance of from 30 cm to more than one meter as well as for its stability with respect to light aging, because of the repeated and prolonged exposures of the document under the sun in vehicles, such reagents are advantageously mineral pigments incorporating rare earths in their composition. The scintillating particles in the form of platelets are reflective and include in their structure at least one optically transparent material, generally a compound classified in the general family of glasses, for example a borosilicate.
Les dimensions des particules scintillantes, c'est-à-dire leur plus grande longueur pour ces microplaques, sont inférieures à 300 μ, et de préférence comprises entre 50 et 250 μ de manière à ce que l'effet réfléchissant soit optimal. Des particules trop fines, c'est-à-dire de la taille des pigments de couchage usuels, typiquement inférieures à 30 μ, ont un effet scintillant très atténué. L'effet réfléchissant des plaquettes est créé par l'association d'un matériau optiquement transparent et d'un matériau réfléchissant la lumière, la fabrication de telles particules sous forme de plaquettes est connue en soi et réalisée notamment par la société Merck qui a développé des technologies permettant d'obtenir des particules avec des matériaux différents en couches successives, différentes variantes de ces matériaux sont commercialisées dans la gamme MIRAVAL® , la référence plus particulièrement choisie dans le cadre de cette application est la référence 541 1 Magic White. The dimensions of the scintillating particles, that is to say their greatest length for these microplates, are less than 300 μ, and preferably between 50 and 250 μ so that the reflecting effect is optimal. Too fine particles, that is to say, the size of the usual coating pigments, typically less than 30 microns, have a very attenuated scintillating effect. The reflective effect of the wafers is created by the combination of an optically transparent material and a light-reflecting material, the manufacture of such particles in the form of wafers is known per se and carried out in particular by the company Merck which has developed technologies for obtaining particles with different materials in successive layers, different variants of these materials are marketed in the MIRAVAL® range, the reference more particularly chosen in the context of this application is the reference 541 1 Magic White.
L'invention concerne aussi une méthode d'authentification d'un document à distance dans des conditions variables de luminosité à travers une barrière physique transparente ou translucide au moyen d'un testeur, dans laquelle : le document comporte au moins un réactif développant une coloration sous l'action d'un rayonnement spatialement et temporellement cohérent, de type laser, émis par le testeur, lequel rayonnement authentificateur étant soit un faisceau laser émettant une lumière infrarouge, plus particulièrement une lumière à 980 nm et le réactif développant la coloration étant un pigment anti- Stokes, soit un faisceau laser émettant une lumière voisine de 360 nm et le réactif développant la coloration étant un colorant ou un pigment fluorescent ou phosphorescent, le document comporte en outre des éléments non reproductibles à l'identique par photocopie ou scannage sous forme de particules scintillantes, le testeur comporte un moyen permettant de positionner assez précisément le rayonnement authentificateur sur le document de sécurité à une distance comprise entre quelques centimètres et plus d'un mètre, lequel rayonnement pointeur étant de préférence un faisceau laser émettant dans une plage de longueurs d'ondes perceptible à l'œil, la méthode d'authentification consistant pour la personne chargée de la vérification à pointer la zone du document à vérifier au moyen du rayonnement pointeur du testeur et à actionner le rayonnement authentificateur pour développer une coloration spécifique sur le document, laquelle coloration disparaissant, soit immédiatement soit après un délai assez bref, lorsque le rayonnement authentificateur est coupé, le rayonnement authentificateur pouvant aussi être actionné simultanément au rayonnement pointeur au moyen d'un commutateur unique. The invention also relates to a method for authenticating a document remotely under varying light conditions through a transparent or translucent physical barrier by means of a tester, in which: the document comprises at least one reagent developing a coloration under the action of spatially and temporally coherent radiation, laser type, emitted by the tester, which authenticator radiation is either a laser beam emitting infrared light, more particularly a light at 980 nm and the color developing reagent being an anti-Stokes pigment, or a laser beam emitting a light close to 360 nm and the reagent developing the coloring being a dye or a fluorescent or phosphorescent pigment, the document also comprises elements that are not reproducible identically by photocopying or scanning in the form of scintillating particles, the tester comprises means for positioning enough precisely the radiation authenticator on the security document at a distance of between a few centimeters and more than one meter, which radiation pointer is preferably a laser beam emitting in a wavelength range perceptible to the eye, the method of authentication consisting of the person responsible for the verification ication to point the area of the document to be checked by means of the pointer radiation of the tester and to actuate the authenticator radiation to develop a specific coloring on the document, which coloration disappears, either immediately or after a rather short delay, when the authenticator radiation is cut the authenticator radiation can also be actuated simultaneously with the pointer radiation by means of a single switch.
Le testeur selon l'invention comporte ainsi au minimum un dispositif permettant l'émission d'un rayon laser dans le domaine de perception de l'œil et de manière avantageuse deux rayons un dans le domaine visible et un dans le domaine non perceptible, c'est-à-dire en infrarouge ou en ultraviolet, toutefois il peut être ajouté en plus une lampe et un dispositif de focalisation permettant l'émission d'un faisceau lumineux blanc ou coloré favorisant la perception du scintillement du document de sécurité contenant les éléments qui empêchent la copie à l'identique ou le scannage, rien n'interdit par ailleurs d'inclure dans le testeur des dispositifs authentificateurs autres tels que lecteur RFID pour authentifier le véhicule, lecteur magnétique, lampe UV traditionnelle dans laquelle l'émission de lumière n'est pas un faisceau laser et tout autre dispositif authentificateur connu permettant par exemple l'authentification des documents, notamment ceux pouvant être demandés à des automobilistes, par exemple le permis de conduire ou la carte d'identité, ou encore permettant l'identification du véhicule lui-même. Il est bien évidemment possible de coupler le testeur, ou de l'intégrer, avec un dispositif de type appareil photo, téléphone mobile, ordinateur portable, etc.. permettant la transmission des informations du véhicule, sa plaque minéralogique et ses caractéristiques, par exemple, de manière à enregistrer et traiter automatiquement une contravention ou l'envoi des informations à distance pour vérification et suivi. The tester according to the invention thus comprises at least one device for the emission of a laser beam in the field of perception of the eye and advantageously two radii in the visible range and one in the non-perceptible range. that is to say in infrared or ultraviolet, however it can be added in addition a lamp and a focusing device for the emission of a white or colored light beam promoting the perception of flicker security document containing the elements which prevent identical copying or scanning, nothing also prohibits to include in the tester other authentication devices such as RFID reader to authenticate the vehicle, magnetic reader, traditional UV lamp in which the emission of light is not a laser beam and any other known authenticator device allowing for example the authentication of documents, in particular those that can be requested drivers, for example driving license or identity card, or allowing the identification of the vehicle itself. It is of course possible to couple the tester, or to integrate it, with a device such as camera, mobile phone, laptop, etc., allowing the transmission of vehicle information, its license plate and its characteristics, for example , so as to automatically record and process a ticket or send the information remotely for verification and follow-up.
Le testeur se présente avantageusement sous forme d'un tube cylindrique fin d'une longueur de l'ordre d'une dizaine de centimètres muni d'un bouton pression actionnant simultanément l'authentification et le pointage, toutefois sans sortir du cadre de l'invention différentes formes, configurations et dimensions sont envisageables pour ledit testeur et il peut être envisagé de placer des lampes additionnelles, une lumière blanche notamment, pour améliorer les fonctionnalités de l'instrument de contrôle. The tester is advantageously in the form of a thin cylindrical tube of a length of the order of ten centimeters provided with a press button simultaneously actuating authentication and pointing, however without departing from the scope of the Different shapes, configurations and dimensions are possible for said tester and it may be envisaged to place additional lamps, especially white light, to improve the functionality of the control instrument.
Le document sécurisé peut contenir divers autres éléments de sécurité classiquement connus pour authentifier dans une étape d'expertise le document, lesquels autres éléments pouvant être ceux connus dans le domaine tels que des fils de sécurité, un filigrane sur le papier, des hologrammes, des encres optiquement variables, des fibres ou des points fluorescents, phosphorescents, à effets multiples, etc.. sans sortir du cadre de l'invention. The secure document may contain various other security elements conventionally known for authenticating the document in an expertise step, which other elements may be those known in the field such as security threads, a watermark on the paper, holograms, optically variable inks, fluorescent fibers or points, phosphorescent, multiple effects, etc. without departing from the scope of the invention.
Toujours dans le cadre de l'invention le réactif développant la réaction sous l'action du rayonnement authentificateur peut être porté par un fil de sécurité, une bande authentifiable transférable, une fenêtre insérée dans le document, un hologramme, et de manière générale inclus dans tout dispositif de sécurité déjà connu pour contenir des marqueurs, des éléments fluorescents ou phosphorescents, des réactifs divers, et notamment également dans des encres de sécurité qui sera un mode d'introduction préféré des réactifs sur le document sécurisé. Still within the scope of the invention, the reagent developing the reaction under the action of the authenticator radiation may be carried by a security thread, a transferable authenticatable band, a window inserted in the document, a hologram, and generally included in any security device already known to contain markers, fluorescent or phosphorescent elements, various reagents, and especially also in security inks which will be a preferred mode of introduction of the reagents on the secure document.
Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et représentés à titre d'exemples, mais elle comprend aussi tous les équivalents techniques ainsi que leurs combinaisons. Of course, the invention is not limited to the embodiments described and represented by way of examples, but it also includes all the technical equivalents as well as their combinations.

Claims

REVENDICATIONS
1- Document de sécurité authentifiable à distance dans des conditions variables de luminosité à travers une barrière physique transparente ou translucide au moyen d'un testeur et testeur correspondant, caractérisé par le fait que le document comporte au moins un réactif développant une coloration sous l'action d'un rayonnement spatialement et temporellement cohérent, de type laser, émis par le testeur, ledit rayonnement étant nommé rayonnement authentificateur, et par le fait que ledit testeur comporte un moyen permettant de positionner assez précisément ledit rayonnement authentificateur sur le document de sécurité à une distance comprise entre quelques centimètres et plus d'un mètre. A security document that can be authenticated remotely under varying light conditions through a transparent or translucent physical barrier by means of a corresponding tester and tester, characterized in that the document comprises at least one reagent developing a coloration under the light. action of a spatially and temporally coherent radiation, of laser type, emitted by the tester, said radiation being called authenticator radiation, and in that said tester comprises means for positioning said authenticator radiation fairly precisely on the security document at a distance of between a few centimeters and more than one meter.
2- Document de sécurité authentifiable à distance et testeur selon la revendication 1 dans lequel le moyen permettant de positionner le rayonnement sur le document est un rayonnement laser ou un rayonnement intense et étroit, lequel rayonnement étant émis dans le domaine de perception de l'œil, ledit testeur émettant ainsi au moins un rayonnement visible à distance, lequel étant nommé rayonnement pointeur. 2- remote authenticatable security document and tester according to claim 1 wherein the means for positioning the radiation on the document is laser radiation or intense and narrow radiation, which radiation is emitted in the field of perception of the eye , said tester thus emitting at least one radiation visible at a distance, which is called pointer radiation.
3- Document de sécurité authentifiable à distance et testeur selon la revendication 2 dans lequel le rayonnement pointeur est un rayonnement laser violet émettant de préférence dans une zone autour de 405 nm ou un rayonnement laser rouge émettant de préférence dans une zone autour de 650 nm. 3- remote authenticatable security document and tester according to claim 2 wherein the pointer radiation is violet laser radiation preferably emitting in an area around 405 nm or red laser radiation emitting preferably in a region around 650 nm.
4- Document de sécurité authentifiable à distance et testeur selon les revendications 2 ou 3 dans lequel le rayonnement authentificateur produisant une réaction colorée sur le document est un faisceau laser émettant dans une plage de longueurs d'ondes perceptible à l'œil, le rayonnement authentificateur et le rayonnement pointeur ayant la même source, lequel rayonnement étant - un faisceau laser émettant une lumière violette dans une zone comprise entre 360 et 420 nm et le réactif produisant la coloration est un colorant ou un pigment fluorescent ou phosphorescent émettant dans la zone visible du spectre en une couleur différente du violet, 4- remote authenticatable security document and tester according to claims 2 or 3 wherein the authenticator radiation producing a color reaction on the document is a laser beam emitting in a wavelength range perceptible to the eye, the radiation authenticator and the pointer radiation having the same source, which radiation is - a laser beam emitting a violet light in an area between 360 and 420 nm and the reagent producing the coloration is a dye or a fluorescent or phosphorescent pigment emitting in the visible zone of spectrum in a different color from purple,
- ou un faisceau laser émettant une lumière rouge dans une zone comprise entre 600 et 800 nm et le réactif produisant la coloration est un colorant ou un pigment émettant dans la zone visible du spectre en une couleur différente de celle du pointeur, et de préférence le réactif est peu ou pas coloré en lumière du jour ou d'une couleur non gênante lorsque celui-ci est inclus dans une encre d'impression, un vernis ou un revêtement de surface. - or a laser beam emitting a red light in an area between 600 and 800 nm and the reagent producing the coloring is a dye or a pigment emitting in the visible region of the spectrum in a color different from that of the pointer, and preferably the reagent is little or not colored in daylight or a non-annoying color when it is included in a printing ink, varnish or surface coating.
5- Document de sécurité authentifiable à distance et testeur selon les revendications 2 ou 3 dans lequel le rayonnement authentificateur produisant une réaction colorée sur le document est un faisceau laser émettant dans une plage de longueurs d'ondes imperceptible à l'œil, le testeur émettant deux faisceaux laser de longueurs d'ondes différentes, parallèles et spatialement proches, un rayonnement authentificateur invisible et un rayonnement pointeur perceptible à l'œil. A remote authenticatable security document and tester according to claims 2 or 3 wherein the authenticator radiation producing a color reaction on the document is a laser beam emitting in a wavelength range imperceptible to the eye, the tester emitting two laser beams of different wavelengths, parallel and spatially close, an invisible authenticating radiation and a pointer radiation perceptible to the eye.
6- Document de sécurité authentifiable à distance et testeur selon la revendication 5 dans lequel le rayonnement authentificateur est un faisceau laser émettant une lumière infrarouge, plus particulièrement une lumière à 980 nm et le réactif développant la coloration est un pigment anti-Stokes, ou un faisceau laser émettant une lumière voisine de 360 nm et le réactif développant la coloration est un colorant ou un pigment fluorescent ou phosphorescent, dans l'une ou l'autre situation le réactif est peu ou pas coloré en lumière du jour ou d'une couleur non gênante lorsque celui-ci est inclus dans une encre d'impression, un vernis ou un revêtement de surface. A remotely authenticatable security document and tester according to claim 5 wherein the authenticator radiation is a laser beam emitting infrared light, more particularly a light at 980 nm and the staining developing reagent is an anti-Stokes pigment, or a laser beam emitting a light close to 360 nm and the reagent developing the coloring is a dye or a fluorescent or phosphorescent pigment, in one or the other situation the reagent is little or not colored in daylight or a color uncomfortable when it is included in a printing ink, a varnish or a surface coating.
7- Document de sécurité authentifiable à distance et testeur selon l'une quelconque des revendications précédentes dans lequel le document comporte en outre au moins un élément non reproductible à l'identique par photocopie ou scannage, lequel étant également authentifiable au soleil ou sous l'action d'une lumière blanche par un effet optique visible à distance, tel que par exemple un scintillement. 7- remotely authenticated security document and tester according to any one of the preceding claims wherein the document further comprises at least one non-reproducible identical element by photocopying or scanning, which is also authenticatable in the sun or under the action of a white light by a visible optical effect at a distance, such as for example a flicker.
8- Document de sécurité authentifiable à distance et testeur selon la revendication 2 dans lequel le document de sécurité est une carte de parking ou un badge accréditif contenu dans un véhicule fermé visible depuis l'extérieur, ledit badge ou ladite carte de parking comportant des éléments non reproductibles à l'identique par photocopie ou scannage sous forme de particules scintillantes et disposant sur sa surface d'un réactif susceptible de former une coloration sous l'action d'un rayonnement authentificateur laser ultraviolet ou sous l'action d'un rayonnement laser infrarouge, le testeur émettant en outre un deuxième rayonnement pointeur laser perceptible à l'œil de manière à permettre l'orientation du testeur vers la zone d'authentification, ledit rayonnement pointeur étant de préférence de couleur rouge, verte ou blanche. 8- remotely authenticated security document and tester according to claim 2 wherein the security document is a parking card or a credential badge contained in a closed vehicle visible from the outside, said badge or said parking card comprising elements not reproducible identically by photocopying or scanning in the form of scintillating particles and having on its surface a reagent capable of forming a color under the action of an ultraviolet laser authenticating radiation or under the action of laser radiation infrared, the tester also emitting a second radiation laser pointer perceptible to the eye so as to allow the orientation of the tester to the authentication area, said pointer radiation preferably being of red, green or white color.
9- Document de sécurité authentifiable à distance et testeur selon l'une quelconque des revendications précédentes dans lequel le réactif se présente sous forme de points de dimensions comprises entre 30 μ et 800 μ à la surface ou dans la texture du document, lesquels points étant inclus dans une encre, un vernis, un film plastique, un adhésif ou dans la masse du substrat lui-même, notamment lorsque ledit substrat est un papier, le document comportant en outre des éléments non reproductibles à l'identique par photocopie ou scannage formés par des particules scintillantes se présentant sous forme de plaquettes et constituées par une partie centrale en borosilicate et un ou plusieurs revêtements de surface formant des couches réfléchissantes pour la lumière. 9- remotely authenticated security document and tester according to any one of the preceding claims wherein the reagent is in the form of points of dimensions of between 30 μ and 800 μ on the surface or in the texture of the document, which points are included in an ink, a varnish, a plastic film, an adhesive or in the mass of the substrate itself, especially when said substrate is a paper, the document further comprising elements that are not reproducible identically by photocopying or scanning formed by scintillating particles in the form of platelets and consisting of a borosilicate core and one or more surface coatings forming reflective layers for light.
10- Méthode d'authentification d'un document à distance dans des conditions variables de luminosité à travers une barrière physique transparente ou translucide au moyen d'un testeur, caractérisée en ce que : 10- Method for authenticating a document remotely under varying light conditions through a transparent or translucent physical barrier by means of a tester, characterized in that:
- le document comporte au moins un réactif développant une coloration sous l'action d'un rayonnement spatialement et temporellement cohérent, de type laser, émis par le testeur, lequel rayonnement authentificateur étant soit un faisceau laser émettant une lumière infrarouge, plus particulièrement une lumière à 980 nm et le réactif développant la coloration étant un pigment anti-Stokes, soit un faisceau laser émettant une lumière voisine de 360 nm et le réactif développant la coloration étant un colorant ou un pigment fluorescent ou phosphorescent, the document comprises at least one reagent developing a coloration under the action of spatially and temporally coherent radiation, of laser type, emitted by the tester, which authenticator radiation is either a laser beam emitting infrared light, more particularly a light at 980 nm and the color developing reagent being an anti-Stokes pigment, ie a laser beam emitting a light close to 360 nm and the reagent developing the coloring being a dye or a fluorescent or phosphorescent pigment,
- le document comporte en outre des éléments non reproductibles à l'identique par photocopie ou scannage sous forme de particules scintillantes, the document also comprises elements that can not be reproduced identically by photocopying or scanning in the form of scintillating particles,
- le testeur comporte un moyen permettant de positionner assez précisément le rayonnement authentificateur sur le document de sécurité à une distance comprise entre quelques centimètres et plus d'un mètre, lequel rayonnement pointeur étant de préférence un faisceau laser émettant dans une plage de longueurs d'ondes perceptible à l'œil, la méthode d'authentification consistant pour la personne chargée de la vérification à pointer la zone du document à vérifier au moyen du rayonnement pointeur du testeur et à actionner le rayonnement authentificateur pour développer une coloration spécifique sur le document, laquelle coloration disparaissant, soit immédiatement soit après un délai assez bref, lorsque le rayonnement authentificateur est coupé, le rayonnement authentificateur pouvant aussi être actionné simultanément au rayonnement pointeur au moyen d'un commutateur unique. the tester comprises means for positioning the authenticator radiation on the security document fairly precisely at a distance of between a few centimeters and more than one meter, which pointer radiation is preferably a laser beam emitting in a range of lengths; visible to the eye, the method of authentication consisting of the person in charge of the verification pointing the area of the document to be checked by means of the pointer radiation of the tester and to actuating the radiation authenticator for developing a specific coloring on the document, which coloration disappears, either immediately or after a relatively short time, when the authenticator radiation is cut off, the authenticator radiation can also be actuated simultaneously with the pointer radiation by means of a single switch.
PCT/FR2011/000211 2010-05-05 2011-04-08 Security document, tester and authentication method WO2011138516A1 (en)

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EP2567361B1 (en) 2014-03-12
FR2959842A1 (en) 2011-11-11
EP2567361A1 (en) 2013-03-13
FR2959842B1 (en) 2012-05-04

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