DE19612819A1 - Holographic storage data on credit type card - Google Patents
Holographic storage data on credit type cardInfo
- Publication number
- DE19612819A1 DE19612819A1 DE19612819A DE19612819A DE19612819A1 DE 19612819 A1 DE19612819 A1 DE 19612819A1 DE 19612819 A DE19612819 A DE 19612819A DE 19612819 A DE19612819 A DE 19612819A DE 19612819 A1 DE19612819 A1 DE 19612819A1
- Authority
- DE
- Germany
- Prior art keywords
- holographic
- card
- information
- information carrier
- counterfeit
- 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.)
- Withdrawn
Links
- 230000001427 coherent effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- YTCQFLFGFXZUSN-BAQGIRSFSA-N microline Chemical compound OC12OC3(C)COC2(O)C(C(/Cl)=C/C)=CC(=O)C21C3C2 YTCQFLFGFXZUSN-BAQGIRSFSA-N 0.000 claims description 27
- 230000003287 optical effect Effects 0.000 claims description 13
- 241000034673 Holographis Species 0.000 claims description 8
- VAYOSLLFUXYJDT-RDTXWAMCSA-N Lysergic acid diethylamide Chemical compound C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N(CC)CC)C2)=C3C2=CNC3=C1 VAYOSLLFUXYJDT-RDTXWAMCSA-N 0.000 claims description 6
- 238000004049 embossing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000000969 carrier Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000003848 UV Light-Curing Methods 0.000 claims 1
- 238000013475 authorization Methods 0.000 claims 1
- 238000001723 curing Methods 0.000 claims 1
- 230000006378 damage Effects 0.000 claims 1
- 238000010894 electron beam technology Methods 0.000 claims 1
- 238000011156 evaluation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 claims 1
- 238000003847 radiation curing Methods 0.000 claims 1
- 239000012815 thermoplastic material Substances 0.000 claims 1
- 239000012876 carrier material Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 241000894007 species Species 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
- B42D25/328—Diffraction gratings; Holograms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/0236—Form or shape of the hologram when not registered to the substrate, e.g. trimming the hologram to alphanumerical shape
-
- 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
- G06K19/06009—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 with optically detectable marking
- G06K19/06046—Constructional details
-
- 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
- G06K19/16—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 a hologram or diffraction grating
-
- 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
- G07D7/003—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 security elements
- G07D7/0032—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 security elements using holograms
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
- G03H1/0011—Adaptation of holography to specific applications for security or authentication
- G03H2001/0016—Covert holograms or holobjects requiring additional knowledge to be perceived, e.g. holobject reconstructed only under IR illumination
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2230/00—Form or shape of the hologram when not registered to the substrate
- G03H2230/10—Microhologram not registered to the substrate
-
- 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
- G06K2019/06215—Aspects not covered by other subgroups
- G06K2019/06234—Aspects not covered by other subgroups miniature-code
-
- 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
- G06K2019/06215—Aspects not covered by other subgroups
- G06K2019/0629—Holographic, diffractive or retroreflective recording
Abstract
Description
Die Erfindung bezieht sich auf Informationsträger verschiedener Ausführungsfor men oder Karten, die einen dokumentenähnlichen Charakter besitzen, wie Personal ausweise, Führerscheine, Kreditkarten, welche erfindungsgemäß mit einem hologra phischen Mikropunkt oder einer holographischen Mikrozeile zusätzlich abgesichert werden können.The invention relates to information carriers of various embodiments men or cards that have a document-like character, such as staff ID cards, driving licenses, credit cards, which according to the invention with a hologra phic micro dot or a holographic micro line additionally secured can be.
Um die Fälschungssicherheit dieser Karten zu erhöhen, ist es seit langem be kannt, diese mit einem Hologramm, einem sogenannten Weißlicht-Hologramm, zu ver sehen. Ein solches Weißlicht-Hologramm ist für den Betrachter mit dem bloßen Auge ohne optische Hilfsmittel erkennbar.In order to increase the security against forgery of these cards, it has long been knows to ver with a hologram, a so-called white light hologram see. Such a white light hologram is for the viewer with the naked eye recognizable without optical aids.
Eine Sicherheitsprüfung beschränkt sich dabei nur auf die Überprüfung des Vor handenseins eines solchen Hologramms und auf die Wahrnehmung und Identifizie rung des für diese Karte spezifischen Motivs (z. B. der Kopf Beethovens auf der EC-Karte).A security check is limited to checking the pre existence of such a hologram and on perception and identification motif specific to this card (e.g. Beethoven's head on the EC card).
Da solche Weißlicht-Hologramme eine immer stärkere Verbreitung gefunden haben, hat die Aufmerksamkeit der Benutzer bzgl. der Echtheit von Weißlicht-Holo grammen auf Karten nachgelassen. Der Charakter dieser Hologramme auf Karten hat sich mehr in Richtung eines dekorativen Bestandteiles verschoben.Because such white light holograms are becoming increasingly widespread has the user's attention to the authenticity of white light holo gram on cards subsided. The character of these holograms on cards has shifted more towards a decorative component.
Außerdem ist es für Fälscher solcher Karten einfacher geworden, an die für eine Nachahmung derartiger Karten notwendigen Hologramme zu gelangen.It has also become easier for counterfeiters of such cards than for one Imitation of such cards to get necessary holograms.
Aus diesem Grunde wird zur Erhöhung der Fälschungssicherheit in der DE 38 40 037 (Matthiesen) vorgeschlagen, eine Karte mit einem Prägehologramm zu verse hen, bei dem einem Weißlicht-Hologramm ein nur mittels Laserstrahlung auslesbares Lasertransmissions-Hologramm überlagert ist.For this reason, in order to increase the security against counterfeiting DE 38 40 037 (Matthiesen) proposed to verse a card with an embossed hologram hen, in which a white light hologram can only be read using laser radiation Laser transmission hologram is superimposed.
Da jedoch die Anwendung der Holographie und die Zahl der damit beschäftigten Personen in der letzten Zeit stark gestiegen ist, ist auch hier wiederum der Aufwand, den Fälscher betreiben müssen, um derartige Hologramme für Nachahmungen von Karten zu bekommen, gesunken.However, since the application of holography and the number of people involved People has risen sharply in recent times, again the effort is the counterfeiter must operate in order to use such holograms for imitations of Getting cards declined.
Aufgabe dieser Erfindung ist daher, die in der DE 38 40 037 beschriebene Karte oder einen anderen Informationsträger hinsichtlich der Fälschungssicherheit durch zusätzliche Anbringung der im Titel genannten holographischen Mikropunkte oder Mikrozeilen weiter zu erhöhen.The object of this invention is therefore the card described in DE 38 40 037 or another information carrier regarding counterfeit security additional attachment of the holographic microdots mentioned in the title or To increase micro-rows further.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Karte ein Holo gramm aufweist, dessen Information nur mit monochromatischem, kohärentem Licht auslesbar ist oder wahlweise mit Weißlicht auslesbar sein kann, wenn bei der Auf nahme des Hologrammes eine entsprechende optische Aufnahmegeometrie gewählt wurde, wobei als wesentliches Sicherheitsmerkmal die Information holographisch zu einem Mikropunkt und/oder einer Mikrozeile verkleinert aufgezeichnet ist. Diese Art der Information kann nur mit einem erfindungsgemäßen Lesegerät dem Betrachter sichtbar gemacht oder aber maschinell ausgewertet werden.This object is achieved in that the card is a holo gram, the information of which can only be obtained with monochromatic, coherent light can be read out or can optionally be read out with white light, when opening Taking the hologram selected an appropriate optical recording geometry was, with the information being holographically an essential security feature a microdot and / or a micro line is recorded reduced. This kind the information can only be given to the viewer with a reading device according to the invention made visible or evaluated by machine.
Dabei können mehrere für den Betrachter der Karte nicht sichtbare holographi sche Mikropunkte wiederum aufgrund Ihrer Anordnung einen Code darstellen, der eine verschlüsselte Information enthält, die nur mit dem erfindungsgemäßen Lesegerät detektierbar und auswertbar ist.Several holographi that are not visible to the viewer of the card can be used Due to their arrangement, microdots represent a code that contains encrypted information only with the reading device according to the invention is detectable and evaluable.
Dabei kann der holographische Mikropunkt oder die holographische Mikrozeile alleiniger holographischer Sicherheitsbestandteil des Informationsträgers oder der Karte sein oder kann einen aufnahmetechnisch integrierten Bestandteil eines ander weitigen, eventl. nur dekorativen Hologrammes bilden.The holographic microdot or the holographic micro line can be used sole holographic security component of the information carrier or the Card or can be an integrated part of another expand, eventl. only form decorative hologram.
Der holographische Mikropunkt oder die holographische Mikrozeile ist in der Abbildungsgröße mittels geeigneter optischer Anordnungen bei der Aufzeichnung bzw. beim Einkopieren in den übrigen Informationsträger einstellbar.The holographic microdot or the holographic micro line is in the Image size by means of suitable optical arrangements during recording or adjustable when copying into the other information carriers.
Als Beispiel würde man zweckmäßigerweise bei einem dekorativen oder informativen Dot-Matrix-Hologramm, welches als Träger dienen soll, die Punktgröße nach der Größe der holographischen Einzelpunkte des Dot-Matrix-Hologrammes rich ten, welches in der Feinheit bis zu 400 dpi (0,006 mm) betragen kann. Dot-Matrix-Holo gramme sind aus einer Anzahl einzeln belichteter Motivpunkte zusammengesetzt. Typische Dot-Matrix-Muster variieren je nach Dekor und Auflösung zwischen 0,25 und 25 µm, sind jedoch nicht darauf begrenzt.As an example, one would expediently use a decorative or informative dot matrix hologram, which is to serve as a carrier, the dot size rich in the size of the holographic individual points of the dot matrix hologram ten, which can be up to 400 dpi (0.006 mm) in fineness. Dot matrix holo grams are composed of a number of individually exposed motif points. Typical dot matrix patterns vary depending on the decor and resolution between 0.25 and 25 µm, but are not limited to this.
Ein Mikropunkt kann z. B. auch die Größe eines i-Punktes oder Satzpunktes in einem Schriftbild haben.A microdot can e.g. B. also the size of an i point or sentence point in have a typeface.
In übertragenen Sinne, kann die Feinheit einer holographischen Mikrozeile z. B. auf die Feinheit der Linien eines graphischen, dekorativen oder informativen Umge bungsmotives eingestellt werden.In a figurative sense, the delicacy of a holographic microline can e.g. B. on the delicacy of the lines of a graphic, decorative or informative reverse exercise motifs can be set.
Im Prinzip ist die Feinheit des holographischen Mikropunktes oder der Mikrozeile begrenzt durch das Auflösungsvermögen des holographischen Aufzeichnungsmateri als und des Träger-Materials, in welches in einem nachfolgenden Belichtungs-, Druck- oder Prägevorgang die lichtbeugende, holographische Mikrostruktur eingebracht wird.In principle, the fineness of the holographic microdot or the micro line limited by the resolution of the holographic recording material as and the carrier material, in which in a subsequent exposure, printing or embossing the light diffractive, holographic microstructure is introduced.
Der Aufwand zur Herstellung des erfindungsgemäßen holographischen Mikro punktes und/ oder einer holographischen Mikrozeile ist beträchtlich und zwar hinsicht lich des dafür erforderlichen Know-hows und des notwendigen technischen Equip ment als auch hinsichtlich der dafür aufzuwendenden Kosten, so daß Nachahmungen nur mit sehr hohem Aufwand zu bewerkstelligen sind, wodurch die Fälschungssicher heit einer solchen Karte erheblich verbessert wird.The effort to produce the holographic micro according to the invention point and / or a holographic micro-line is considerable in that respect the necessary know-how and the necessary technical equipment ment as well as in terms of costs, so that imitations can only be accomplished with a great deal of effort, which makes the forgery-proof such a card is significantly improved.
Die als holographischer Mikropunkt oder als holographische Mikrozeile aufge zeichnete Information kann, für den Benutzer nicht unmittelbar wahrnehmbar, an einer beliebigen Stelle des Informationsträgers oder der Kartenvorderseite oder Rückseite angeordnet sein. The as a holographic microdot or as a holographic micro line recorded information can, at the user not immediately perceivable, at a anywhere on the information carrier or on the front or back of the card be arranged.
Ferner kann der holographische Mikropunkt oder die holographische Mikrozeile als anscheinend graphischer Bestandteil in einem dekorativen Weißlicht-Hologramm verborgen sein.Furthermore, the holographic microdot or the holographic microline as an apparently graphic component in a decorative white light hologram to be hidden.
Damit erschwert alleine schon das Auffinden der Position die Rekonstruktion des erfindungsgemäßen Sicherheitsmerkmales für Nachahmungen.Finding the position alone makes the reconstruction of the Security feature according to the invention for imitations.
Zum Auslesen der Information zur Überprüfung der Kartenechtheit ist ein spezi elles Lesegerät mit einer monochromatischen, kohärenten Lichtquelle oder in beson deren Fällen wahlweise mit einer speziellen Weißlichtquelle erforderlich. Der hologra phische Mikropunkt oder die holographische Mikrozeile hat somit die Funktion eines nicht von jedermann erkennbaren Sicherheitsmerkmales auf Karten, welches zusätz lich noch als Informationsträger hoher Speicherdichte dienen kann.To read the information to check the card authenticity is a speci elles reader with a monochromatic, coherent light source or in particular whose cases are optionally required with a special white light source. The hologra The phic micropoint or the holographic micro line thus has the function of a security features on cards not recognizable by everyone, which additional Lich can still serve as an information carrier of high storage density.
Die im holographischen Mikropunkt oder der holographischen Mikrozeile gespeicherte Information kann von alphanumerischen Zeichen, einem Logo, Strich code o. dgl. gebildet sein.Those in the holographic microdot or the holographic micro line Stored information can be alphanumeric characters, a logo, line code or the like.
Claims (35)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19612819A DE19612819A1 (en) | 1996-03-30 | 1996-03-30 | Holographic storage data on credit type card |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19612819A DE19612819A1 (en) | 1996-03-30 | 1996-03-30 | Holographic storage data on credit type card |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19612819A1 true DE19612819A1 (en) | 1997-10-02 |
Family
ID=7790033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19612819A Withdrawn DE19612819A1 (en) | 1996-03-30 | 1996-03-30 | Holographic storage data on credit type card |
Country Status (1)
Country | Link |
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DE (1) | DE19612819A1 (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002003323A1 (en) * | 2000-07-03 | 2002-01-10 | Optaglio Limited | Device with anti-counterfeiting diffractive structure |
US6351537B1 (en) | 1998-10-05 | 2002-02-26 | 3M Innovative Properties Company | Verifiable holographic article |
US6765704B2 (en) | 2000-07-03 | 2004-07-20 | Optaglio Limited | Optical device |
WO2007012815A1 (en) * | 2005-07-27 | 2007-02-01 | Ingenia Technology Limited | Authenticity verification |
US7199911B2 (en) | 2000-07-03 | 2007-04-03 | Optaglio Ltd. | Optical structure |
US7246824B2 (en) | 2000-06-01 | 2007-07-24 | Optaglio Limited | Labels and method of forming the same |
US7387249B2 (en) | 2000-06-05 | 2008-06-17 | Optaglio Limited | Product verification and authentication system and method |
US7812935B2 (en) | 2005-12-23 | 2010-10-12 | Ingenia Holdings Limited | Optical authentication |
US7853792B2 (en) | 2004-03-12 | 2010-12-14 | Ingenia Holdings Limited | Authenticity verification methods, products and apparatuses |
US8078875B2 (en) | 2005-07-27 | 2011-12-13 | Ingenia Holdings Limited | Verification of authenticity |
US8103046B2 (en) | 2004-08-13 | 2012-01-24 | Ingenia Holdings Limited | Authenticity verification of articles using a database |
US8615475B2 (en) | 2008-12-19 | 2013-12-24 | Ingenia Holdings Limited | Self-calibration |
US8699088B2 (en) | 2004-03-12 | 2014-04-15 | Ingenia Holdings Limited | Methods and apparatuses for creating authenticatable printed articles and subsequently verifying them |
US8892556B2 (en) | 2009-11-10 | 2014-11-18 | Ingenia Holdings Limited | Optimisation |
US9818249B1 (en) | 2002-09-04 | 2017-11-14 | Copilot Ventures Fund Iii Llc | Authentication method and system |
-
1996
- 1996-03-30 DE DE19612819A patent/DE19612819A1/en not_active Withdrawn
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6351537B1 (en) | 1998-10-05 | 2002-02-26 | 3M Innovative Properties Company | Verifiable holographic article |
US7246824B2 (en) | 2000-06-01 | 2007-07-24 | Optaglio Limited | Labels and method of forming the same |
US7387249B2 (en) | 2000-06-05 | 2008-06-17 | Optaglio Limited | Product verification and authentication system and method |
WO2002003323A1 (en) * | 2000-07-03 | 2002-01-10 | Optaglio Limited | Device with anti-counterfeiting diffractive structure |
US6765704B2 (en) | 2000-07-03 | 2004-07-20 | Optaglio Limited | Optical device |
US6876473B2 (en) * | 2000-07-03 | 2005-04-05 | Optaglio Limited | Device with anti-counterfeiting diffractive structure |
US7199911B2 (en) | 2000-07-03 | 2007-04-03 | Optaglio Ltd. | Optical structure |
US9818249B1 (en) | 2002-09-04 | 2017-11-14 | Copilot Ventures Fund Iii Llc | Authentication method and system |
US8421625B2 (en) | 2004-03-12 | 2013-04-16 | Ingenia Holdings Limited | System and method for article authentication using thumbnail signatures |
US8896885B2 (en) | 2004-03-12 | 2014-11-25 | Ingenia Holdings Limited | Creating authenticatable printed articles and subsequently verifying them based on scattered light caused by surface structure |
US7853792B2 (en) | 2004-03-12 | 2010-12-14 | Ingenia Holdings Limited | Authenticity verification methods, products and apparatuses |
US8502668B2 (en) | 2004-03-12 | 2013-08-06 | Ingenia Holdings Limited | System and method for article authentication using blanket illumination |
US9019567B2 (en) | 2004-03-12 | 2015-04-28 | Ingenia Holdings Limited | Methods and apparatuses for creating authenticatable printed articles and subsequently verifying them |
US8699088B2 (en) | 2004-03-12 | 2014-04-15 | Ingenia Holdings Limited | Methods and apparatuses for creating authenticatable printed articles and subsequently verifying them |
US8749386B2 (en) | 2004-03-12 | 2014-06-10 | Ingenia Holdings Limited | System and method for article authentication using signatures |
US8757493B2 (en) | 2004-03-12 | 2014-06-24 | Ingenia Holdings Limited | System and method for article authentication using encoded signatures |
US8766800B2 (en) | 2004-03-12 | 2014-07-01 | Ingenia Holdings Limited | Authenticity verification methods, products, and apparatuses |
US8103046B2 (en) | 2004-08-13 | 2012-01-24 | Ingenia Holdings Limited | Authenticity verification of articles using a database |
US8078875B2 (en) | 2005-07-27 | 2011-12-13 | Ingenia Holdings Limited | Verification of authenticity |
WO2007012815A1 (en) * | 2005-07-27 | 2007-02-01 | Ingenia Technology Limited | Authenticity verification |
US7812935B2 (en) | 2005-12-23 | 2010-10-12 | Ingenia Holdings Limited | Optical authentication |
US8497983B2 (en) | 2005-12-23 | 2013-07-30 | Ingenia Holdings Limited | Optical authentication |
US8615475B2 (en) | 2008-12-19 | 2013-12-24 | Ingenia Holdings Limited | Self-calibration |
US8892556B2 (en) | 2009-11-10 | 2014-11-18 | Ingenia Holdings Limited | Optimisation |
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Legal Events
Date | Code | Title | Description |
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8139 | Disposal/non-payment of the annual fee |