EP0986804B1 - Komplex und vorrichtung zur sicherung der originalität von dokumenten oder gütern - Google Patents

Komplex und vorrichtung zur sicherung der originalität von dokumenten oder gütern Download PDF

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Publication number
EP0986804B1
EP0986804B1 EP98929501A EP98929501A EP0986804B1 EP 0986804 B1 EP0986804 B1 EP 0986804B1 EP 98929501 A EP98929501 A EP 98929501A EP 98929501 A EP98929501 A EP 98929501A EP 0986804 B1 EP0986804 B1 EP 0986804B1
Authority
EP
European Patent Office
Prior art keywords
complex
authentication
code
authentication code
tamper
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.)
Expired - Lifetime
Application number
EP98929501A
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English (en)
French (fr)
Other versions
EP0986804A1 (de
Inventor
Claude Trapletti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sequoias SAS
Original Assignee
Sequoias SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sequoias SAS filed Critical Sequoias SAS
Publication of EP0986804A1 publication Critical patent/EP0986804A1/de
Application granted granted Critical
Publication of EP0986804B1 publication Critical patent/EP0986804B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • G09F3/0292—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/0208—Indicia
    • G09F2003/0213—Concealed data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/0272—Labels for containers
    • G09F2003/0273—Labels for bottles, flasks
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F2003/0276—Safety features, e.g. colour, prominent part, logo
    • G09F2003/0277—Tamper resistant

Definitions

  • the present invention relates to a complex and a device to guarantee the inviolability and authenticity of a document or of goods, in order to avoid their counterfeiting.
  • the present invention aims to eliminate these drawbacks by proposing a device which also makes it possible to guarantee the inviolability of a product.
  • the invention therefore makes it possible to exercise all of the controls achievable during the life of a product, i.e. before its sale, during its sale or its entry into service, during its life at a consumer and until the end of his life.
  • the invention applies generally to any object, the latter can for example be a paper document, a envelope, goods or its packaging.
  • the basic support can consist of the packaging of the object or even a part of the object likely to receive a printing, or by a label stuck firmly on the object.
  • the label and protective sheet can be made of different materials such as paper, material plastic, fabric, wood, leather etc ...
  • the identification code can be printed by any process known printing on the base support. We can use this effect a fluorescent ink, invisible to the human eye and requiring a special reading device.
  • the authentication code printed on the basic support is preferably masked by an opaque layer of a scrapable material, that is, a material that can be scraped off to reveal the authentication code, such as the one we use to hide authentication codes on banknotes state lotteries.
  • the protective sheet can be transparent, which shows the consumer that he will have the means checking the authenticity of the product and that the manufacturer will monitor the product, which is a guarantee of the quality of this latest.
  • the protective sheet In the absence of a removable opaque layer on the code (s) authentication, the protective sheet must be opaque.
  • the protective sheet provides double protection of the object because it makes it inaccessible and possibly invisible the authentication code and that it constitutes a witness inviolability for the protected object, thus guaranteeing that the latter was neither opened nor used.
  • Information about the object itself is for example information carried on the basic support by the manufacturer of the object at the time of its manufacture. It can be the date and place of production, production team, type of product, etc ...
  • the complex according to the invention is intended to be used works in combination with files kept by the manufacturer of complexes and by the user of said complexes, who applies them on objects to be protected.
  • the present invention therefore also relates to a device intended to guarantee the inviolability and authenticity of a object, characterized in that it comprises complexes such as described above and at least one link file containing the code identification of each complex in relation to its code authentication, as well as an authentication file containing, in relation to the authentication code of each complex, the information concerning the protected object carried on the part not covered with the base support of said complex.
  • the manufacturer of the complexes which is generally a printer working in a secure environment, that is to say respecting different procedures guaranteeing the confidentiality of information, knows the file of links which links identification codes and authentication codes carried by the complexes.
  • the whole system allows you to check the authenticity of the object at different stages of its life.
  • a sworn inspector by the manufacturer retrieves an authentication code carried by the complex by opening the window intended for it or by reading, through the protective sheet and using a magnetic reader, the authentication code intended for him, if the latter is printed with magnetic ink.
  • the inspector sends the recovered authentication code to manufacturer of objects, which consults its authentication file and indicates to the inspector on the one hand, if the object belongs to all the objects put into circulation by the manufacturer and other part, the information concerning the object contained by the file, information that the inspector can compare to that printed in clear on the complex.
  • This exchange of data can of course be automated by telematic means.
  • the transmission of the authentication code is accompanied by a password known only to the inspector. AT defect of correct password, manufacturer detects an attempt fraudulent and does not provide the expected response.
  • the manufacturer records in the authentication file the trace of the control carried out, by example by memorizing the date and the nature of the control.
  • the distributor When the object is sold, the distributor does the same using the authentication code intended for it and the password assigned to him.
  • the manufacturer checks on this occasion that the object is indeed saved in its authentication file as being in condition to be sold. If the item has already been sold, an anomaly is detected.
  • the trace of the control is also recorded in the authentication file, with other information related to the sale such as its date, place and information relating to on the consumer and enabling subsequent statistics.
  • the merchant send the manufacturer the preprinted warranty card number or an after-sales service slip, issues this voucher or slip, then prints on it a new authentication code which is provided in response by the manufacturer to link the number of the voucher or slip to the protected object.
  • the new code authentication is simultaneously saved in the file authentication required by the manufacturer.
  • the consumer who bought the object can also verify authenticity. To this end, when opening the object, it permanently destroys the protective sheet which testified to the inviolability of the object and discovered the code authentication intended for him. The consumer can also read this code before opening the object, opening a window in the opaque sheet and scraping the layer scratchable which masks its code of authenticity. Knowing this code, the consumer can question the manufacturer either by telephone, either by telematic means. The manufacturer can thus verify that the object is registered as having been sold and refers to the consumer of general information about the object, information that the consumer can compare to those shown in clear on the complex associated with the object.
  • the consumer can call the manufacturer's after-sales service.
  • the warranty card or the after-sales service slip then provides a code authentication which allows the same checks to be carried out with the manufacturer, who can also update their authentication file by recording the trace of after-sales service intervention.
  • the complex includes, in the part of the base support not covered by the protective sheet, a control key generated by an algorithm based on part of the complex's authentication code, on the other hand, information specific to the object protected, by example its date and time of manufacture. This information specific must appear legibly on the base support.
  • a code is used authentication printed with magnetic ink so that ability to read it through the protective sheet using a magnetic reader.
  • the magnetic reader is supplied to each participant in the distribution network, for example to the merchant who sells the object.
  • a microprocessor running the same algorithm as that which was used to generate the control key is integrated in the reader magnetic. This microprocessor is enclosed in a capsule inviolable so as to destroy itself in the event of an attempt to read the algorithm.
  • the merchant can thus verify the authenticity of the object by having the authentication code read by the magnetic reader and entering the information specific to the object it reads on the visible part of the base support.
  • the microprocessor included in the magnetic reader again generates a control key to from the authentication code read and specific information foreclosures.
  • the merchant only has to compare the control key as well generated with that printed in plain text on the base support for verify the authenticity of the object.
  • This embodiment allows, without degrading the complex, to verify the authenticity of almost an entire stock of objects. This verification does not guarantee the same reliability as that consisting in interrogating the manufacturer's authentication file but it can complement it. Indeed, we can limit querying the manufacturer's file for a sample relatively small stock and check the rest of the stock with control keys.
  • the microprocessor can be mounted on a smart card can be plugged into the reader. Each manufacturer then provides its own smart card to the merchant.
  • control key is masked by a removable layer of opaque material, possibly protected by a window of the protective sheet.
  • the key control is generated by the algorithm based on the code of authentication of the complex and the identification code of the protected object.
  • control key thus obtained is printed in the section the base support covered by the protective sheet, preferably by being drowned in the authentication code.
  • the authentication codes and are read again and the control key is regenerated then compared to that printed under the protective sheet and the microprocessor provides a positive or negative response depending on whether the regenerated key is identical to the one embedded in the code authentication.
  • the microprocessor is preferably integrated in a smart card, also called smart card memory, pluggable into a reading device.
  • the microprocessor has a memory which contains the algorithm of generation of the control key and the positions of the key control to read on the base medium between characters constituting the authentication code.
  • the authentication code can be found at positions 1, 3, 5, 6, 7, 9 of a sequence of 9 characters including the positions 2, 4, 8 correspond to the control key.
  • This variant makes it possible to provide a presumption authentication and then carry out a check complete product by consulting the central file, in grouping together several complete controls in a single transaction regular time intervals, for example every two or three hours.
  • This variant can in particular be used in professional applications in the fields of pharmacy, spare parts for motor vehicles or the distribution of State lottery tickets, where the systematic establishment of communications for consultation of the central file risks posing practical problems.
  • the device according to the invention therefore makes it possible to fight effectively against counterfeits of marketed objects and follow the evolution of protected objects since their manufacture until they are used by a consumer.
  • the complex shown in Figure 1 has a label 1 as a base support and an opaque protective sheet 2.
  • the label is rectangular, it is made in paper covered on its back with a layer of strong glue.
  • the opaque sheet has the shape of a T. It is produced PVC.
  • the opaque sheet 2 partially covers the label 1 in the central part of the latter.
  • the label comprises, in its part not covered by the opaque sheet, a code identification 3 as well as information 4 concerning the object to which the complex is to be pasted.
  • the label also includes three identification codes 5,6,7 masked each by a layer of opaque scrapable material 8,9,10.
  • Full-flesh cutouts 14 of the opaque sheet 2 allow to reveal that the latter was detached from the object, if applicable.
  • these cuts are found in correspondence with other full cuts flesh produced in the label to reveal any attempt to peeling off the opaque sheet and / or the label.
  • Identification signs 15 are also placed on horseback on opaque sheet 2 and on label 1. These signs identification are destroyed when the opaque sheet is separated of the label, for example when opening the protected object.
  • authentication signs may be provided such as an intaglio, an impression iridescent or security threads.
  • Figure 1 The complex of Figure 1 is intended to be glued on a bottle, for example a perfume bottle as shown in the figure 2.
  • the bottle 16 of FIG. 2 has a stopper 17 which covers his neck.
  • the large front face 18 of the bottle 16 is flat and is lies in the same plane as a flat 19 of the plug 17.
  • the complex is glued on the one hand to the large front face 18 of the bottle, which receives the label 1 and the vertical part of the T of the sheet opaque 2, while the cap receives the horizontal part of the T glued to its side surface and glued to itself at its end.
  • Figure 3 is a flowchart of the different stages of the manufacturing of complexes.
  • the graphics of the complexes are determined by drawing on the one hand the labels, and on the other hand, the opaque sheets.
  • the code is printed on the label 3 and authentication codes 5,6,7 prepared by computer means during a step 32.
  • step 33 an opaque material is coated on the codes authentication to hide them, then we shape the label and the opaque sheet and they are combined in step 34.
  • a control of quality is performed in step 35 to remove the complexes showing a defect.
  • the means computer generated a link file 36 which establishes the relationship between each identification code and the codes corresponding identification.
  • step 35 of quality control the means are informed computerization of the elimination of defective labels with a view to deletion of the corresponding records in the file links 36.
  • the link file 36 and the stock of complexes obtained are delivered in step 37 to a user who is here a manufacturer of bottles.
  • the flowchart in Figure 4 shows the steps implemented work by the manufacturer to personalize the complexes.
  • the manufacturer prints on parts not covered by the label 1 of the information 4 concerning the bottles it wishes to protect.
  • This complex customization information is simultaneously updated in a central file 42 built on the base of the link file 36 and of which each record includes personalization information 4.
  • the manufacturer then splits the central file 42 into one authentication file 43 and a management file 44.
  • the authentication file 43 contains, for each bottle, the three authentication codes of the corresponding complex and personalization information 4, as well as fields free for further information.
  • the management file 44 contains the identification code 3 as well as other information allowing the organization of the commercial distribution of vials.
  • Management file 44 is entrusted to logistics teams 45 while the authentication file 43 remains between the only hands of the manufacturer.
  • the manufacturer loses all possibility of establishing a link between the information about a bottle and the identification code worn by this bottle.
  • a sworn inspector responsible for check the authenticity of a bottle, tear off window 15 of the opaque sheet 2 and scrapes the opaque layer 10 to discover the authentication code 7 intended for him, then sends this code 7 with its password 51 to the manufacturer.
  • step 52 the manufacturer queries his file 43 and returns its response 53, thus indicating to the inspector whether or not the bottle is authentic.
  • step 54 the inspector decides whether it is necessary to initiate a control procedure based on the response received from the manufacturer.
  • step 55 the manufacturer enriches his file authentication 43 by recording the trace of the control performed, if the latter was positive.
  • step 60 the dispenser tears off window 14, scrapes the opaque layer 9 and discovers the authentication code 6 which it sends to the manufacturer together with his personal password.
  • connection 61 connected to the manufacturer.
  • the latter interrogates its authentication file 43 and in step 62, checks the authenticity of the bottle. Answer 63 of manufacturer returned to distributor with new code authentication that the distributor enters in step 64.
  • the manufacturer enriches his file in step 65 by registering the name of the sales and general consumer information.
  • step 65 the distributor issues a guarantee voucher numbered 66 on which he prints the new authentication code received from the manufacturer.
  • Figure 7 illustrates an authenticity check operation made by a consumer 70 who bought the bottle.
  • the consumer After seeing window 13 torn off and discovering the code authentication 5 masked by the removable layer 8, the consumer questions the manufacturer either by telephone or by telematic means.
  • the latter interrogates his authentication file 43 and confirms to the consumer the authenticity of the bottle.
  • step 80 the consumer sends the manufacturer the code on his warranty card and his own authentication code.
  • Manufacturer queries authentication file 43 at step 81 and verifies that the guarantee bond thus identified is the one linked to the bottle in the consumer's possession.
  • the manufacturer's response is addressed to the consumer at step 82.
  • This authenticity check operation after the sale of the product can also be executed by an after-sales service or by the distributor.
  • step 83 the manufacturer enriches his file authentication by recording, for example, the date of of the warranty.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)

Claims (9)

  1. Komplex zur Sicherstellung der Originalität und der Authentizität eines Objekts, umfassend:
    einen Basisträger (1), der mit dem Objekt (26) endgültig fest verbunden ist und auf den ein Identifizierungscode (3) und mindestens ein Authentifizierungscode (5, 6, 7) aufgedruckt sind,
    dadurch gekennzeichnet, dass er außerdem umfasst:
    eine ggf. lichtundurchlässige Schutzfolie (2), die den Basisträger (1) teilweise bedeckt, um den Authentifizierungscode (5,6,7) zu schützen, und die auf das Objekt (16) aufgelegt werden kann, um die Originalität zu gewährleisten, und
    das Objekt (16) selbst betreffende Informationen (4), die auf dem nicht bedeckten Teil des Basisträgers (1) angeordnet sind.
  2. Komplex nach Ansptuch 1, dadurch gekennzeichnet, dass der auf den Basisträger aufgedruckte Authentifizierungscode (5,6,7) durch eine lichtundurchlässige Schicht aus einem abkratzbaren Werkstoff (8,9,10) maskiert ist.
  3. Komplex nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass die Schutzfolie (2) einen Originalitätsbeweis für das geschützte Objekt (16) darstellt, der sicherstellt, dass dieser weder geöffnet noch benutzt wurde.
  4. Komplex nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass er einen Authentifizierungscode aufweist, der mit einer magnetischen Druckfarbe aufgedruckt ist, die durch die Schutzfolie hindurch lesbar ist.
  5. Komplex nach Anspruch 4, dadurch gekennzeichnet, dass er in dem nicht mit der Schutzfolie (2) bedeckten Teil des Basisträgers (1) einen Kontrollschlüssel aufweist, der durch einen Algorithmus auf der Basis einerseits des Authentifizierungscodes (5,6,7) des Komplexes und andererseits einer für das geschützte Objekt (16) spezifischen Information, die auf dem Basisträger (1) lesbar erscheint, erzeugt wird.
  6. Vorrichtung zur Sicherstellung der Originalität und der Authentizität eines Objekts, dadurch gekennzeichnet, dass sie Komplexe (1,2) nach einem der Ansprüche 1 bis 5 und mindestens eine Linkdatei (36) aufweist, die den oder die Identifizierungscodes (3) jedes Komplexes in Zusammenhang mit seinem Authentifizierungscode (5,6,7) enthält, sowie eine Authentifizierungsdatei (42), die das geschützte Objekt (16) betreffende Informationen (4), die auf dem nicht bedeckten Teil des Basisträgers (1) des Komplexes vorgesehen sind, in Zusammenhang mit dem Authentifizierungscode (5,6,7) jedes Komplexes enthält.
  7. Vorrichtung zur Sicherstellung der Originalität und der Authentizität eines Objekts, dadurch gekennzeichnet, dass sie einen Komplex (1,2) nach Anspruch 3 und einen Magnetleser aufweist, in den ein Mikroprozessor integriert ist, der denselben Algorithmus wie den, der zur Erzeugung des auf dem Komplex aufgedruckten Kontrollschlüssels gedient hat, herstellt.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Mikroprozessor von einer in den Magnetleser einsteckbaren Chipkarte getragen wird.
  9. Vorrichtung nach einem der Ansprüche 7 bis 8, dadurch gekennzeichnet, dass der Mikroprozessor in eine unverletzbare Kapsel eingeschlossen ist.
EP98929501A 1997-06-06 1998-06-05 Komplex und vorrichtung zur sicherung der originalität von dokumenten oder gütern Expired - Lifetime EP0986804B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9707051A FR2764422B1 (fr) 1997-06-06 1997-06-06 Complexe et dispositif pour garantir l'inviolabilite et l'authenticite d'un document ou d'une marchandise
FR9707051 1997-06-06
PCT/FR1998/001150 WO1998055984A1 (fr) 1997-06-06 1998-06-05 Complexe et dispositif pour garantir l'inviolabilite et l'authenticite d'un document ou d'une marchandise

Publications (2)

Publication Number Publication Date
EP0986804A1 EP0986804A1 (de) 2000-03-22
EP0986804B1 true EP0986804B1 (de) 2002-03-13

Family

ID=9507708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98929501A Expired - Lifetime EP0986804B1 (de) 1997-06-06 1998-06-05 Komplex und vorrichtung zur sicherung der originalität von dokumenten oder gütern

Country Status (4)

Country Link
EP (1) EP0986804B1 (de)
DE (1) DE69804219T2 (de)
FR (1) FR2764422B1 (de)
WO (1) WO1998055984A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9809810D0 (en) * 1998-05-07 1998-07-08 Redcliffe Magtronics Limited Improvements relating to tamper proof closures
FR2828316A1 (fr) 2001-08-02 2003-02-07 Sequoias Authentification d'un document par superposition ou combinaison de niveaux de securisation
ITMI20040524A1 (it) * 2004-03-18 2004-06-18 Exp Box Madeinitaly Com S R L Metodo e apparato per verificare l'autenticita' di prodotti
DE102006019557B4 (de) * 2006-04-27 2010-04-08 Karl Knauer Kg Verpackungseinheit
FR2914767B1 (fr) * 2007-04-05 2009-08-21 Neopost Technologies Sa Boitier de machine de traitement de courrier a plaque d'identification detachable.
DE102007022460A1 (de) 2007-05-09 2008-11-13 Horatio Gmbh Einrichtung und Verfahren zum Nachweis des gegenständlichen Besitzes von Objekten gegenüber einer Prüfinstanz über beliebige Entfernungen
DE102011018620A1 (de) * 2011-04-21 2012-10-25 Jochen Claussen System aus Konsumgut mit Informationsträger und Server
ITPI20120008A1 (it) * 2012-01-20 2013-07-21 Giorgio Romi "sistema di etichettatura anticontraffazione di prodotti"
EP2874136A1 (de) * 2013-11-15 2015-05-20 Matteo Marchesano Vorrichtung für Erkennung der Echtheit einer Verpackung eines zu verkaufenden Produkts
IT201700122710A1 (it) * 2017-10-27 2019-04-27 Gfl S A Tubetto flip top con sigillo di garanzia

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5346259A (en) * 1992-07-16 1994-09-13 Avery Dennison Corporation Anti-theft label construction
US5267756A (en) * 1992-09-30 1993-12-07 The Upper Deck Company Authentication system
FR2713380B1 (fr) * 1993-12-03 1996-01-19 Soltex Soc Civ Dispositif pour certifier l'authenticité ou l'absence de violation d'un objet tel qu'un document ou un emballage.
FR2719687B1 (fr) * 1994-05-04 1996-09-06 Hologram Ind Sarl Procédé de marquage de produits ou de documents, produit ainsi marqué et moyens pour la mise en Óoeuvre du procédé et un dispositif de vérification d'un tel produit ou document.

Also Published As

Publication number Publication date
EP0986804A1 (de) 2000-03-22
WO1998055984A1 (fr) 1998-12-10
DE69804219T2 (de) 2002-11-07
FR2764422A1 (fr) 1998-12-11
FR2764422B1 (fr) 1999-08-20
DE69804219D1 (de) 2002-04-18

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