FR2642545A1 - Apparatus for checking identity documents - Google Patents
Apparatus for checking identity documents Download PDFInfo
- Publication number
- FR2642545A1 FR2642545A1 FR8901163A FR8901163A FR2642545A1 FR 2642545 A1 FR2642545 A1 FR 2642545A1 FR 8901163 A FR8901163 A FR 8901163A FR 8901163 A FR8901163 A FR 8901163A FR 2642545 A1 FR2642545 A1 FR 2642545A1
- Authority
- FR
- France
- Prior art keywords
- cover
- card
- slot
- phosphor
- viewfinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000005855 radiation Effects 0.000 claims description 6
- 239000008188 pellet Substances 0.000 abstract 1
- 239000002585 base Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
- G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
- G06K19/14—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
- G07D7/12—Visible light, infrared or ultraviolet radiation
-
- 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
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer
Abstract
Description
APPAREIL DE CONTROLE DE DOCUMENTS D'IDENTITE
La présente invention a pour objet un appareil de contrôle, destiné en particulier, mais non exclusivement, au contrôle de la validité d'un document d'identité tel qu'une carte.APPARATUS FOR CHECKING IDENTITY DOCUMENTS
The present invention relates to a control device, intended in particular, but not exclusively, for checking the validity of an identity document such as a card.
I1 est connu que de nouveaux documents d'identité ou documents authentiques remplacent les anciens, établis sur une base en papier cartonné, généralement non protégée et, par suite très vulnérable. Ces nouveaux documents, de structure plus élaborée, sont généralement composés d'une âme, ou base en matière plastique (P.V.C., polycarbonate, par exemple) ou en un autre matériau imprimable ou photosensible du type POLAROID (Marque Déposée > . Cette base peut etre également en papier filigranné ou non7 peut contenir différentes sécurités annexes tells que des fibres fluorescentes, noyaux métalliques, microperforations, luminophores, cachets U.V, etc. Ces bases sont presque toujours imprimées sur des fonds de sécurité composés de guilloches difficilement reproductibles par des faussaires.Les bases sont généralement recouvertes au recto et au verso par un complexe transparent thermosoudable. It is known that new identity documents or authentic documents replace the old ones, drawn up on a cardboard base, generally unprotected and therefore very vulnerable. These new documents, of more elaborate structure, are generally composed of a core, or plastic base (PVC, polycarbonate, for example) or in another printable or photosensitive material of the POLAROID type (Trademark>. This base can be also in watermarked paper or not7 may contain various additional security features such as fluorescent fibers, metal cores, microperforations, phosphors, UV seals, etc. These bases are almost always printed on security backgrounds made up of guilloches that are difficult to reproduce by counterfeiters. bases are generally covered on the front and back by a transparent heat-sealable complex.
Mais il importe de pouvoir vérifier la non falsification de ces documents par des moyens simples et rapides, pour sélectionner rapidement, dans un premier temps, les cartes valables, et les cartes douteuses.However, it is important to be able to verify the non-falsification of these documents by simple and rapid means, in order to quickly select, in the first instance, valid cards and questionable cards.
La présente invention a pour objet un appareil manuel de reconnaissance visuelle de la présence de luminophores qui soit léger, portable, peu encombrant et ergonomique, permettant de détecter immédiatement l'authenticité ou non, d'un document ou dune carte.The present invention relates to a manual device for visual recognition of the presence of phosphors which is light, portable, compact and ergonomic, making it possible to immediately detect the authenticity or not, of a document or a card.
Selon la présente invention, appareil détecteur est caractérisé en ce qu'il comprend, dans un bottier de forme générale parallélépipédique, une source de rayonnement infrarouge, un oeilleton d'observation et un logement pour l'introduction d'une carte d'identité, portant en un endroit déterminé un produit invisible à l'oeil nu.According to the present invention, a detector device is characterized in that it comprises, in a case of generally parallelepiped shape, a source of infrared radiation, an observation eyepiece and a housing for the introduction of an identity card, carrying in a determined place a product invisible to the naked eye.
Afin de détecter directement la validité d'une carte, celle-ci présente une zone sur laquelle est disposée un luminophore, le logement prévu dans le bolier étant tel que le luminophore vienne, lorsque la carte est introduite dans ledit bottier, sensiblement en regard de la fenêtre, viseur ou oeilleton.In order to directly detect the validity of a card, it has an area on which a phosphor is arranged, the housing provided in the bolier being such that the phosphor comes, when the card is inserted into said shells, substantially facing the window, viewfinder or eyecup.
Le faisceau infrarouge est dirigé vers la cible de luminophore.The infrared beam is directed towards the phosphor target.
De préférence, le luminophore est un luminophore à effet dit "antistokes", et peut être constitué par une matière telle que celle qui est décrite dans le brevet français
FR-A-2 958 975 (AUZEL). Les matériaux décrits dans ce brevet présentent la propriété de réaliser une transposition de longueurs d'ondes, c'est-à-dire que lorsqu'elles sont bombardées par un rayonnement infrarouge, elles émettent une radiation de longueur d'onde plus petite, correspondant à une partie de la plage visible de radiations.Preferably, the phosphor is a phosphor with an effect called "antistokes", and can be constituted by a material such as that which is described in the French patent.
FR-A-2 958 975 (AUZEL). The materials described in this patent have the property of achieving a transposition of wavelengths, that is to say that when they are bombarded by infrared radiation, they emit radiation of a shorter wavelength, corresponding to part of the visible range of radiation.
En particulier, les luminophores utilisés peuvent être constitués par un tungstate double de métal alcalin- et d'ytterbiuum, dopé par un tungstate double d'un métal alcalin et d'erbium, la lumière de réponse étant à ce moment verte, ou encore per un tungstate double de métal alcalin et d'ytterbium, faiblement dopé par un tungstate double d'un métal alcalin et de thulium. Dans ce cas, l'énergie reçue de la diode infrarouge est restituée sous forme d'un rayonnement bleu.In particular, the phosphors used can be constituted by a double tungstate of alkali metal- and ytterbiuum, doped by a double tungstate of an alkali metal and erbium, the response light being green at this time, or even per a double tungstate of alkali metal and of ytterbium, slightly doped by a double tungstate of an alkali metal and of thulium. In this case, the energy received from the infrared diode is restored in the form of blue radiation.
Différents appareils utilisant ce phénomène de luminescence d'un luminophore ont déjà été proposés, mais il s'agit toujours d'appareils de type scientifique encombrants et difficiles à mettre en oeuvre. Various devices using this phenomenon of luminescence of a luminophore have already been proposed, but these are still devices of the bulky scientific type and difficult to implement.
D'autres caractéristiques et avantages de l'invention apparaltront au cours de la description qui va suivre d'un mode particulier de réalisation, donné uniquement à titre d'exemple non limitatif, en regard des dessins qui représentent - La figure 1, une vue en perspective dtun appareil selon
l'invention - les figures 2 et 3, des vues du couvercle, respectivement de
face et de côté.Other characteristics and advantages of the invention will appear during the description which follows of a particular embodiment, given solely by way of nonlimiting example, with reference to the drawings which represent - FIG. 1, a view in perspective of a device according to
the invention - Figures 2 and 3, views of the cover, respectively
front and side.
Sur la figure 1, on voit que l'appareil se compose d'un corps creux parallélépipédique 1, fermé par un couvercle 2 réuni au corps t par des vis, ou par tout autre moyen adapté. Dans la partie supérieure de la face avant du coffret 1, est prévu un viseur 3 ou oeilleton, qui peut être un simple trou, permettant de voir à l'intérieur du coffret 1. En regard du viseur 3, est prévue, dans l'un des côtés du couvercle, une ouverture 3a, sensiblement de même diamètre, dont le rôle sera expliqué par la suite. Sur le côté du corps 1, se trouve un interrupteur 4 dont le but est de commander un circuit 5 constitué par un oscillateur de type connu, à la sortie duquel est branchée une diode 6 émettant des impulsions en infrarouge. La diode infrarouge 6 est disposée de manière à venir éclairer l'ouverture 3a.Elle est alimentée, à travers un circuit de commande 5 par la pile 12. Un témoin 11, constitué par une diode émettant dans le visible, permet de s'assurer du fonctionnement de la pile. De préférence, toutefois, afin de ménager l'utilisation de la pile, on dispose, sur la face interne du couvercle 2, en face du viseur 3 et de la fenêtre 3a, une petite quantité de luminophore 3c. On peut ainsi contrôler l'état de la pile avant introduction d'une carte. Si il y a émission d'un lumière par appui sur le bouton 4, c'est que la pile est convenablement chargée. Une carte est alors introduite dans la fente et son épaisseur masque la tache 3c. Si la carte porte la plage 3b de luminophore, une lumière est émise. Dans le cas contraire, l'épaisseur de la carte masque la plage 3c et l'appareil fonctionne ainsi comme dans le cas où il existe une diode témoin de charge indépendante.In Figure 1, we see that the device consists of a rectangular hollow body 1, closed by a cover 2 joined to the body t by screws, or by any other suitable means. In the upper part of the front face of the box 1, a viewfinder 3 or eyepiece is provided, which can be a simple hole, making it possible to see inside the box 1. Next to the viewfinder 3, is provided in the one of the sides of the cover, an opening 3a, substantially of the same diameter, the role of which will be explained later. On the side of the body 1, there is a switch 4 whose purpose is to control a circuit 5 constituted by an oscillator of known type, at the output of which is connected a diode 6 emitting pulses in infrared. The infrared diode 6 is arranged so as to illuminate the opening 3a. It is supplied, through a control circuit 5 by the battery 12. A warning light 11, constituted by a diode emitting in the visible, makes it possible to ensure of battery operation. Preferably, however, in order to save the use of the battery, there is, on the internal face of the cover 2, opposite the viewfinder 3 and the window 3a, a small amount of phosphor 3c. It is thus possible to check the state of the battery before inserting a card. If there is emission of light by pressing button 4, the battery is properly charged. A card is then inserted into the slot and its thickness masks the spot 3c. If the card has the phosphor range 3b, a light is emitted. Otherwise, the thickness of the card hides the range 3c and the device thus works as in the case where there is an independent charge indicator diode.
Comme celà apparat mieux sur les figures 2 et 3, le couvercle 2 se compose d'une plaque rectangulaire à partir de laquelle est formée une fente 7 séparant, à la partie supérieure, le couvercle 2 en deux parties, respectivement 8 et 8a. Le côté 8a est le côté interne et présente, comme indiqué précédemment, un orifice 3a.As appears better in Figures 2 and 3, the cover 2 consists of a rectangular plate from which is formed a slot 7 separating, at the top, the cover 2 into two parts, respectively 8 and 8a. The side 8a is the internal side and has, as indicated above, an orifice 3a.
La structure et la disposition de la fente 7 est essentielle à l'invention. En effet, selon une caractéristique de celle-ci, la carte d'identité présente un codage par luminophore précisément localisé. La fente 7 est telle que l'introduction de la carte amène le luminophore 3b, porté par la carte, en regard de l'axe visuel reliant par exemple les centres des ouvertures 3 et 3a.The structure and arrangement of the slot 7 is essential to the invention. Indeed, according to one characteristic thereof, the identity card has a precisely located phosphor coding. The slot 7 is such that the introduction of the card brings the phosphor 3b, carried by the card, opposite the visual axis connecting for example the centers of the openings 3 and 3a.
Comme représenté sur la figure 1, la carte à contraler 10 est amenée dans la fente, le côté verso étant tourné vers l'observateur par exemple, et se trouve automatiquement positionnée par les bords 9 de ladite fente.As shown in FIG. 1, the card to be checked 10 is brought into the slot, the back side facing the observer for example, and is automatically positioned by the edges 9 of said slot.
Le fonction ment de l'appareil est le suivant : l'appareil est tenu pcr exemple dans la main droite, l'ouverture de la fente 7 constituant le logement d'une partie de la carte, étant orientée vers le haut. La carte à vérifier est disposée côté verso, dans la fente 7, de manière à ce que ses- deux bords viennent au contact des bords 9 de la fente. La pastille de luminophore se trouve en bas et à droite ae la carte, de sorte qu'elle est visible dans le viseur 3. L'appui sur l'interrupteur 4 provoque l'allumage de la diode 6 et l'éclairement en infrarouge de la pastille 3b. Celle-ci devient visible en émettant une lumière de couleur verte ou bleue en fonction des luminophores employés. L'absence de couleur verte ou bleue laisse présumer la présentation d'une fausse carte. The function of the device is as follows: the device is held for example in the right hand, the opening of the slot 7 constituting the housing of part of the card, being oriented upwards. The card to be checked is placed on the back side, in the slot 7, so that its two edges come into contact with the edges 9 of the slot. The phosphor patch is located at the bottom right of the card, so that it is visible in the viewfinder 3. Pressing the switch 4 causes the diode 6 to light up and the infrared illumination of the tablet 3b. This becomes visible by emitting a light of green or blue color depending on the phosphors used. The absence of a green or blue color suggests the presentation of a false card.
La lueur émise est relativement faible, et c'est pour cette raison que le coffret 1 constitue une sorte dechambre noire.The emitted glow is relatively weak, and it is for this reason that the box 1 constitutes a kind of black room.
Le boîtier 1, réalisé en matériau approprié, est de faible poids et encombrement. Il est par suite tres maniable. Il peut tenir dans la paume de la main, et il suffit d'insérer la carte à vérifier dans la fente ou logement, pour que celle-ci soit automatiquement convenablement positionnée.The housing 1, made of suitable material, is light in weight and compact. It is therefore very handy. It can be held in the palm of the hand, and it suffices to insert the card to be checked into the slot or slot, so that the latter is automatically properly positioned.
Bien entendu, ce positionnement et la localisation de la zone revêtue d'un luminophore transparent en lumière visible, peuvent etre variables en fonction des pays et des types de cartes, ce qui permet la constitution d'un codage supplémentaire. Cette localisation, de meme que les dimensions de la fente, peuvent varier dans le temps avec les différentes séries de cartes pour déjouer les manoeuvres des faussaires.Of course, this positioning and the location of the area coated with a transparent phosphor in visible light, can be variable depending on the countries and types of cards, which allows the constitution of an additional coding. This location, as well as the dimensions of the slot, can vary over time with the different series of cards to thwart the counterfeiters' maneuvers.
Grâce à la faible consommation de diodes, une pile de 9 Volts, de type RlO, permet de contrôler environ 15000 cartes avant son échange, à raison de deux impulsions par contr8le.Thanks to the low consumption of diodes, a 9 Volt battery, of RlO type, makes it possible to control around 15,000 cards before its exchange, at the rate of two pulses per control.
Bien entendu, la fente 7 pourrait également être formée dans le corps 1 du boîtier, sans modifier le fonctionnement de l'appareil.Of course, the slot 7 could also be formed in the body 1 of the housing, without modifying the operation of the device.
Il va de soi que de nombreuses variantes peuvent être introduites, notamment par substitution de moyens techniquement équivalents sans pour autant sortir du cadre de l'invention. It goes without saying that many variants can be introduced, in particular by substitution of technically equivalent means without departing from the scope of the invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8901163A FR2642545B1 (en) | 1989-01-31 | 1989-01-31 | APPARATUS FOR CHECKING IDENTITY DOCUMENTS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8901163A FR2642545B1 (en) | 1989-01-31 | 1989-01-31 | APPARATUS FOR CHECKING IDENTITY DOCUMENTS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2642545A1 true FR2642545A1 (en) | 1990-08-03 |
| FR2642545B1 FR2642545B1 (en) | 1993-02-19 |
Family
ID=9378283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8901163A Expired - Fee Related FR2642545B1 (en) | 1989-01-31 | 1989-01-31 | APPARATUS FOR CHECKING IDENTITY DOCUMENTS |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2642545B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1170707A3 (en) * | 2000-07-03 | 2002-11-06 | BUNDESDRUCKEREI GmbH | Portable sensor for validating marks on documents |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3640009A (en) * | 1969-06-07 | 1972-02-08 | Eizo Komiyama | Identification cards |
| FR2289976A1 (en) * | 1974-10-25 | 1976-05-28 | Id Kort Ab | IDENTITY OR SIMILAR VERIFICATION DOCUMENT AND PROCESS AND APPARATUS FOR ITS VERIFICATION |
| WO1981003510A1 (en) * | 1980-05-30 | 1981-12-10 | Gao Ges Automation Org | Paper security with authenticity mark of luminescent material only in an invisible area of the light spectrum and checking method thereof |
| FR2496940A1 (en) * | 1980-12-24 | 1982-06-25 | Bartoli Bernard | Authentication appts. for documents - uses liquid crystal coating which radiates after excitation with infrared light, to detect break in coating |
| US4567370A (en) * | 1984-02-21 | 1986-01-28 | Baird Corporation | Authentication device |
-
1989
- 1989-01-31 FR FR8901163A patent/FR2642545B1/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3640009A (en) * | 1969-06-07 | 1972-02-08 | Eizo Komiyama | Identification cards |
| FR2289976A1 (en) * | 1974-10-25 | 1976-05-28 | Id Kort Ab | IDENTITY OR SIMILAR VERIFICATION DOCUMENT AND PROCESS AND APPARATUS FOR ITS VERIFICATION |
| WO1981003510A1 (en) * | 1980-05-30 | 1981-12-10 | Gao Ges Automation Org | Paper security with authenticity mark of luminescent material only in an invisible area of the light spectrum and checking method thereof |
| FR2496940A1 (en) * | 1980-12-24 | 1982-06-25 | Bartoli Bernard | Authentication appts. for documents - uses liquid crystal coating which radiates after excitation with infrared light, to detect break in coating |
| US4567370A (en) * | 1984-02-21 | 1986-01-28 | Baird Corporation | Authentication device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1170707A3 (en) * | 2000-07-03 | 2002-11-06 | BUNDESDRUCKEREI GmbH | Portable sensor for validating marks on documents |
| US6784441B2 (en) | 2000-07-03 | 2004-08-31 | Bundesdruckerei Gmbh | Handsensor for authenticity identification of signets on documents |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2642545B1 (en) | 1993-02-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |