EP0090130A1 - Procédé de contrôle de l'authenticité de coupures de papiers de valeur et appareil distributeur pour la mise en oeuvre du procédé - Google Patents

Procédé de contrôle de l'authenticité de coupures de papiers de valeur et appareil distributeur pour la mise en oeuvre du procédé Download PDF

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Publication number
EP0090130A1
EP0090130A1 EP83100405A EP83100405A EP0090130A1 EP 0090130 A1 EP0090130 A1 EP 0090130A1 EP 83100405 A EP83100405 A EP 83100405A EP 83100405 A EP83100405 A EP 83100405A EP 0090130 A1 EP0090130 A1 EP 0090130A1
Authority
EP
European Patent Office
Prior art keywords
color
substance
colour
reaction system
dispensing device
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Withdrawn
Application number
EP83100405A
Other languages
German (de)
English (en)
Inventor
Herbert Schwarz
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.)
Billett-Automation Dipl-Ing Klaus Schwarz oHG
Original Assignee
Billett-Automation Dipl-Ing Klaus Schwarz oHG
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 Billett-Automation Dipl-Ing Klaus Schwarz oHG filed Critical Billett-Automation Dipl-Ing Klaus Schwarz oHG
Publication of EP0090130A1 publication Critical patent/EP0090130A1/fr
Withdrawn legal-status Critical Current

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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
    • G07D7/14—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 chemical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/142—Security printing using chemical colour-formers or chemical reactions, e.g. leuco-dye/acid, photochromes
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • D21H21/46—Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators
    • 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

Definitions

  • the object of the invention is to provide a method by means of which security sections, in particular tickets or the like, can be unobtrusively checked for authenticity with a small amount of mobile aids. Furthermore, a dispenser for carrying out the authenticity check of sections of security is proposed.
  • color reaction systems consisting of an organic, electron-donating color former substance and an electron-accepting color developer substance are used. Either the color former substance or the color developer substance is applied to a surface section, possibly the entire surface of the paper section. The securities section is distributed in this way. For the authenticity check, the other substance is applied to the prepared surface area using a dispenser. The resulting color change indicates the authenticity of the security section.
  • Color reaction systems suitable for checking the authenticity are known, in particular, in the case of pressure-sensitive copier paper systems in which the color former substance is applied in microcapsules on the back of the top sheet and the color developer substance is applied in solid form on the top side of the bottom sheet.
  • the color former substance is, in particular, a triaryl methane dye, such as triphenyl methane dyestuff, if appropriate in an organic solvent, while the color developer substance is a Lewis acid, preferably in solid form, for example attapulgite, zeolite, bentonite, kaolin, acidic polymers , such as phenolic resin and the like. And in particular also acidic clay, such as alumina hydrate.
  • the latter color developer substance is particularly advantageous because it is hardly visible on white paper.
  • a suitable color former substance for example K ristallviolett lactone or benzoylleucomethylene.
  • Suitable solvents for dissolving the color former are, for example, ethylene glycol, chlorobenzene or chlorodiphenyl.
  • the color developer is preferably printed on the paper section in solid form, while the color former in liquid form is applied or printed onto the security section by means of the dispenser during the authenticity check.
  • the substance of the color reaction system to be applied by means of the dispensing device can be colorless.
  • a color reaction system is preferably used in which the component to be applied by means of the dispensing device has a different visible color than the reaction color of the color reaction system which results when the substances are brought together.
  • a control note can be affixed to the security section which, in the case of a counterfeit security section, has the color of the substance to be applied by means of the dispenser, while real security sections reproduce the visa in the reaction color.
  • the substance to be applied by means of the dispensing device if it is colorless as such, can be mixed with a colorant which may contain a solvent.
  • the color of the farmasse is changed by the color reaction.
  • the color of the color mass and the reaction color of the color reaction system are preferably complementary to one another in order to achieve a color change that is as clear as possible. If, for example, the color mass is red and the reaction color is green, counterfeit sections of security are colored red when writing or printing using the dispenser, while real sections are colored black.
  • the dispensing device is preferably a writing device or a print device designed, which contains a stock of such a color mass leading to a color change.
  • Felt-tip pens or ballpoint pens which are impregnated or filled with liquid, colored or colored color former, which may contain a solvent, are particularly suitable.
  • an ink ribbon or ink pad soaked or coated with such a colored or colored color former is preferably provided.
  • the color former can also be contained in microcapsules.
  • the printing device can be designed to be transportable, for example in the form of pressure tongs or stationary, for example as a stationary validation device for tickets.
  • the liquid color former substance of the color reaction system can also be encapsulated in microcapsules on the security section, e.g. be applied in the form of a wax layer, while the solid color developer substance is applied by means of the writing instrument or printing device.
  • the solid color developer substance may have a stick shape and may be a lead of a pencil or the like.
  • the substance to be applied preferably has a different visible color than the reaction color of the color reaction system.
  • Figure 1 shows a rectangular ticket 1 made of cardboard thick paper for use in automatic validation devices.
  • the ticket 1 is already protected against unauthorized reprinting by various security prints 3, not shown in detail.
  • a partial area 5 is printed on one of the two sides of the ticket 1, preferably in the area of a serial number with a solid color developer substance.
  • the imprint 5 is colorless or has the color of the ticket.
  • the imprint can be in the form of code symbols, such as letters or numbers, which are only visible when the authenticity check is carried out.
  • a felt-tip pen 7 contains, in liquid form, a color former substance which, together with the printed color developer substance, provides a color reaction with a typical color change that is typical of these two substances.
  • a colored line indicated at 9 is produced as proof of the authenticity of the ticket 1.
  • the color former substance can also be colorless. However, it is preferably mixed with a color mass, the color of which differs from the reaction color of the substances of the color reaction system which are not mixed with color mass.
  • the color of the color mass and the reaction color are expediently complementary, which leads to the mixed color black.
  • the color mass added is expediently red and a color reaction system with a green reaction color is used.
  • FIG. 2 shows a pressure tongs for the validation of tickets or the like with two pincer arms 13, 15 connected to one another via a joint 11, which are held in an open position by a spring 17, in which the pincer arm 15 releases a ticket insertion slot 19 formed in the pincer arm 13 .
  • the insertion slot 19 is delimited on the side facing away from the tong arm 15 by an adjustable pressure gear train 21 and on the side of the tong arm 15 by a pressure plate 23 held on the tong arm 15.
  • Ribbon guides 25, 27 guide an ink ribbon 29 from an unwinding spool 31 past the printing gear train 21 to a winding spool 33. Close by the pliers Movement-actuated ratchet transport mechanism 35 rotates the take-up reel 33 step by step for the transport of the ink ribbon 29.
  • a ticket inserted into the insertion slot 19 is printed with the digits and / or numbers and / or symbol combination set on the printing wheel mechanism 21 by closing the pressure tongs.
  • the ink ribbon 29 is impregnated with a colored or colored color former substance which, together with the color developer substance printed on the ticket, leads to a typical color change which characterizes the authenticity.
  • the color developer substance can be printed in the form of code symbols, which only become visible when the authenticity is checked.
  • the ink ribbon 29 is preferably colored red and contains the color developer substance of a color reaction system leading to a green reaction color. The total color from the red base color of the ink ribbon 29 and the green reaction color that arises when the authenticity check is positive is black and differs significantly from the red print that results from counterfeit tickets.
  • the color developer substance is a solid, acidic compound, preferably alumina hydrate or acidic phenolic resin.
  • the color former substance is preferably a triarylmethane dye, for example a triphenylmethane compound and in particular crystal violet lactone. Mixtures of different acidic color developer substances and / or mixtures of different color former substances can be used to generate specific color reactions.
  • a solid color developer substance a liquid color developer substance can also be used, if appropriate after adding solvents.
  • the color former substance is preferably in solid form.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Color Printing (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
EP83100405A 1982-03-25 1983-01-18 Procédé de contrôle de l'authenticité de coupures de papiers de valeur et appareil distributeur pour la mise en oeuvre du procédé Withdrawn EP0090130A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3211102 1982-03-25
DE19823211102 DE3211102A1 (de) 1982-03-25 1982-03-25 Verfahren zur echtheitskontrolle von papierabschnitten und verwendung eines hierzu geeigneten farbreaktionssystems

Publications (1)

Publication Number Publication Date
EP0090130A1 true EP0090130A1 (fr) 1983-10-05

Family

ID=6159328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100405A Withdrawn EP0090130A1 (fr) 1982-03-25 1983-01-18 Procédé de contrôle de l'authenticité de coupures de papiers de valeur et appareil distributeur pour la mise en oeuvre du procédé

Country Status (2)

Country Link
EP (1) EP0090130A1 (fr)
DE (1) DE3211102A1 (fr)

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990015190A1 (fr) * 1989-06-08 1990-12-13 Drewsen Spezialpapiere Gmbh & Co. Kg Papier de securite pour la fabrication de documents
WO1991000390A1 (fr) * 1989-07-05 1991-01-10 Nocopi International Ltd. Procede et systeme de protection de documents
FR2649518A1 (fr) * 1989-07-07 1991-01-11 Bioprobe Systems Sa Procede et dispositif de marquage crypte de haute securite pour la protection d'objets de valeur
FR2657630A1 (fr) * 1990-01-31 1991-08-02 Arjomari Prioux Document authentifiable par une composition d'authentification, composition d'authentification et procede pour effectuer cette authentification.
EP0440554A1 (fr) * 1990-01-31 1991-08-07 Arjo Wiggins S.A. Document authentifiable par une composition d'authentification et procédé pour effectuer cette authentification
FR2687417A1 (fr) * 1992-02-13 1993-08-20 Arjo Wiggins Sa Feuille imprimable infalsifiable par procedes mecaniques.
US5368334A (en) * 1993-06-10 1994-11-29 Moore Business Forms, Inc. Variable data clear mark imaging
GB2286674A (en) * 1993-12-23 1995-08-23 Marconi Gec Ltd Tagging substances or items
US5667317A (en) * 1995-08-29 1997-09-16 Ncr Corporation Fluorescent security system for printed transaction records
WO1997046981A1 (fr) * 1996-06-06 1997-12-11 Viktor Ivanovich Petrik Procede de protection contre les contrefaçons de billets de banque, de titres et de documents
DE29903497U1 (de) * 1999-02-26 2000-07-06 Bundesdruckerei Gmbh Sicherheitsdokument mit Chemolumineszenzeigenschaften
WO2001009435A1 (fr) * 1999-07-30 2001-02-08 Mitsubishi Hitec Paper Flensburg Gmbh Papier d'enregistrement avec une combinaison de plusieurs caracteristiques de securite
DE10231435A1 (de) * 2002-07-11 2004-02-12 Sension, Biologische Detektions- Und Schnelltestsysteme Gmbh Nachweisverfahren zur Prüfung der Originalität eines Objekts
FR2857990A1 (fr) 2003-07-25 2005-01-28 Oreal Dispositif de conditionnement cosmetique authentifiable
WO2005014933A2 (fr) 2003-07-25 2005-02-17 L'oreal Dispositif d'emballage de produit cosmetique authentifiable
CN100363556C (zh) * 2005-12-23 2008-01-23 中国印钞造币总公司 一种化学加密防伪纸的制造方法
FR2940329A1 (fr) * 2008-12-23 2010-06-25 Arjowiggins Ensemble comportant un article a authentifier et une composition d'authentification, et procedes associes.
EP2461203A3 (fr) * 2005-05-18 2013-01-09 Visual Physics, LLC Présentation d'images et système de sécurité micro-optique
US8755121B2 (en) 2011-01-28 2014-06-17 Crane & Co., Inc. Laser marked device
US8773763B2 (en) 2003-11-21 2014-07-08 Visual Physics, Llc Tamper indicating optical security device
US8867134B2 (en) 2003-11-21 2014-10-21 Visual Physics, Llc Optical system demonstrating improved resistance to optically degrading external effects
FR3035819A1 (fr) * 2015-05-07 2016-11-11 Honnorat Rech & Services Papier authentifiable smartphone
US9873281B2 (en) 2013-06-13 2018-01-23 Visual Physics, Llc Single layer image projection film
US10173453B2 (en) 2013-03-15 2019-01-08 Visual Physics, Llc Optical security device
US10173405B2 (en) 2012-08-17 2019-01-08 Visual Physics, Llc Process for transferring microstructures to a final substrate
US10189292B2 (en) 2015-02-11 2019-01-29 Crane & Co., Inc. Method for the surface application of a security device to a substrate
US10195890B2 (en) 2014-09-16 2019-02-05 Crane Security Technologies, Inc. Secure lens layer
US10434812B2 (en) 2014-03-27 2019-10-08 Visual Physics, Llc Optical device that produces flicker-like optical effects
US10766292B2 (en) 2014-03-27 2020-09-08 Crane & Co., Inc. Optical device that provides flicker-like optical effects
US10800203B2 (en) 2014-07-17 2020-10-13 Visual Physics, Llc Polymeric sheet material for use in making polymeric security documents such as banknotes
US10890692B2 (en) 2011-08-19 2021-01-12 Visual Physics, Llc Optionally transferable optical system with a reduced thickness
US11590791B2 (en) 2017-02-10 2023-02-28 Crane & Co., Inc. Machine-readable optical security device
US12036811B2 (en) 2022-10-10 2024-07-16 Crane & Co., Inc. Machine-readable optical security device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4976456A (en) * 1988-09-28 1990-12-11 Prevent-A-Crime International, Inc. Marking system
US5431452A (en) * 1993-08-23 1995-07-11 Wallace Computer Services, Inc. Hidden entry system and image-developing device therefor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE687453C (de) * 1932-06-05 1940-01-30 Ferdinand Knaus Schaffnerzange
US3001887A (en) * 1957-09-20 1961-09-26 Mead Corp Paper manufacture
DE2006091A1 (de) * 1969-02-12 1970-09-03 The Mead Corp., Dayton, Ohio (V.St.A.) Erzeugung von Dokumenten mit verwandelbarer Nachricht
DE2518871A1 (de) * 1974-04-26 1975-11-13 Portals Ltd Sicherheitsdokumente
DE2429499A1 (de) * 1974-06-20 1976-01-08 Pelikan Werke Wagner Guenther Gegen faelschung gesichertes etikett
DE2600781A1 (de) * 1976-01-13 1977-07-14 Berndt Aake Lindselius Herstellungsverfahren fuer fahr- oder eintrittskarten oder andere belege von wert zur verhinderung oder erschwerung ihrer unstatthaften benutzung
GB1507454A (en) * 1975-06-19 1978-04-12 Wiggins Teape Ltd Security paper

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE687453C (de) * 1932-06-05 1940-01-30 Ferdinand Knaus Schaffnerzange
US3001887A (en) * 1957-09-20 1961-09-26 Mead Corp Paper manufacture
DE2006091A1 (de) * 1969-02-12 1970-09-03 The Mead Corp., Dayton, Ohio (V.St.A.) Erzeugung von Dokumenten mit verwandelbarer Nachricht
DE2518871A1 (de) * 1974-04-26 1975-11-13 Portals Ltd Sicherheitsdokumente
DE2429499A1 (de) * 1974-06-20 1976-01-08 Pelikan Werke Wagner Guenther Gegen faelschung gesichertes etikett
GB1507454A (en) * 1975-06-19 1978-04-12 Wiggins Teape Ltd Security paper
DE2600781A1 (de) * 1976-01-13 1977-07-14 Berndt Aake Lindselius Herstellungsverfahren fuer fahr- oder eintrittskarten oder andere belege von wert zur verhinderung oder erschwerung ihrer unstatthaften benutzung

Cited By (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990015190A1 (fr) * 1989-06-08 1990-12-13 Drewsen Spezialpapiere Gmbh & Co. Kg Papier de securite pour la fabrication de documents
AU640148B2 (en) * 1989-06-08 1993-08-19 Drewsen Spezialpapiere Gmbh & Co. Kg Security paper for producing documents
WO1991000390A1 (fr) * 1989-07-05 1991-01-10 Nocopi International Ltd. Procede et systeme de protection de documents
JPH04504288A (ja) * 1989-07-05 1992-07-30 ノコピ・インターナショナル・リミテッド 写真複写、ファクシミリ送信防止の方法、システム及びそれらに用いる基質とアプリケータ
US5290068A (en) * 1989-07-05 1994-03-01 Nocopi International Ltd. Document security method and system
FR2649518A1 (fr) * 1989-07-07 1991-01-11 Bioprobe Systems Sa Procede et dispositif de marquage crypte de haute securite pour la protection d'objets de valeur
EP0408424A1 (fr) * 1989-07-07 1991-01-16 Bioprobe Systems Procédé et dispositif de marquage crypté de haute securité pour la protection d'objets de valeur
US5139812A (en) * 1989-07-07 1992-08-18 Bioprobe Systems Method and apparatus for high security crypto-marking for protecting valuable objects
FR2657630A1 (fr) * 1990-01-31 1991-08-02 Arjomari Prioux Document authentifiable par une composition d'authentification, composition d'authentification et procede pour effectuer cette authentification.
EP0440554A1 (fr) * 1990-01-31 1991-08-07 Arjo Wiggins S.A. Document authentifiable par une composition d'authentification et procédé pour effectuer cette authentification
FR2662717A2 (fr) * 1990-01-31 1991-12-06 Arjomari Prioux Document authentifiable par une composition avec zone desensibilisee et procede d'authentification.
FR2687417A1 (fr) * 1992-02-13 1993-08-20 Arjo Wiggins Sa Feuille imprimable infalsifiable par procedes mecaniques.
US5368334A (en) * 1993-06-10 1994-11-29 Moore Business Forms, Inc. Variable data clear mark imaging
WO1994029121A1 (fr) * 1993-06-10 1994-12-22 Moore Business Forms, Inc. Procede de production d'un repere transparent
GB2286674A (en) * 1993-12-23 1995-08-23 Marconi Gec Ltd Tagging substances or items
US5667317A (en) * 1995-08-29 1997-09-16 Ncr Corporation Fluorescent security system for printed transaction records
WO1997046981A1 (fr) * 1996-06-06 1997-12-11 Viktor Ivanovich Petrik Procede de protection contre les contrefaçons de billets de banque, de titres et de documents
DE29903497U1 (de) * 1999-02-26 2000-07-06 Bundesdruckerei Gmbh Sicherheitsdokument mit Chemolumineszenzeigenschaften
WO2001009435A1 (fr) * 1999-07-30 2001-02-08 Mitsubishi Hitec Paper Flensburg Gmbh Papier d'enregistrement avec une combinaison de plusieurs caracteristiques de securite
DE10231435A1 (de) * 2002-07-11 2004-02-12 Sension, Biologische Detektions- Und Schnelltestsysteme Gmbh Nachweisverfahren zur Prüfung der Originalität eines Objekts
FR2857990A1 (fr) 2003-07-25 2005-01-28 Oreal Dispositif de conditionnement cosmetique authentifiable
WO2005014933A2 (fr) 2003-07-25 2005-02-17 L'oreal Dispositif d'emballage de produit cosmetique authentifiable
US8867134B2 (en) 2003-11-21 2014-10-21 Visual Physics, Llc Optical system demonstrating improved resistance to optically degrading external effects
US8773763B2 (en) 2003-11-21 2014-07-08 Visual Physics, Llc Tamper indicating optical security device
EP2461203A3 (fr) * 2005-05-18 2013-01-09 Visual Physics, LLC Présentation d'images et système de sécurité micro-optique
CN100363556C (zh) * 2005-12-23 2008-01-23 中国印钞造币总公司 一种化学加密防伪纸的制造方法
WO2010073224A3 (fr) * 2008-12-23 2010-09-02 Arjowiggins Security Ensemble comportant un article a authentifier et une composition d'authentification, et procedes associes
FR2940329A1 (fr) * 2008-12-23 2010-06-25 Arjowiggins Ensemble comportant un article a authentifier et une composition d'authentification, et procedes associes.
US9333787B2 (en) 2011-01-28 2016-05-10 Visual Physics, Llc Laser marked device
US8755121B2 (en) 2011-01-28 2014-06-17 Crane & Co., Inc. Laser marked device
US10890692B2 (en) 2011-08-19 2021-01-12 Visual Physics, Llc Optionally transferable optical system with a reduced thickness
US10173405B2 (en) 2012-08-17 2019-01-08 Visual Physics, Llc Process for transferring microstructures to a final substrate
US10899120B2 (en) 2012-08-17 2021-01-26 Visual Physics, Llc Process for transferring microstructures to a final substrate
US10173453B2 (en) 2013-03-15 2019-01-08 Visual Physics, Llc Optical security device
US10787018B2 (en) 2013-03-15 2020-09-29 Visual Physics, Llc Optical security device
US9873281B2 (en) 2013-06-13 2018-01-23 Visual Physics, Llc Single layer image projection film
US10434812B2 (en) 2014-03-27 2019-10-08 Visual Physics, Llc Optical device that produces flicker-like optical effects
US10766292B2 (en) 2014-03-27 2020-09-08 Crane & Co., Inc. Optical device that provides flicker-like optical effects
US11446950B2 (en) 2014-03-27 2022-09-20 Visual Physics, Llc Optical device that produces flicker-like optical effects
US10800203B2 (en) 2014-07-17 2020-10-13 Visual Physics, Llc Polymeric sheet material for use in making polymeric security documents such as banknotes
US10195890B2 (en) 2014-09-16 2019-02-05 Crane Security Technologies, Inc. Secure lens layer
US10189292B2 (en) 2015-02-11 2019-01-29 Crane & Co., Inc. Method for the surface application of a security device to a substrate
FR3035819A1 (fr) * 2015-05-07 2016-11-11 Honnorat Rech & Services Papier authentifiable smartphone
US11590791B2 (en) 2017-02-10 2023-02-28 Crane & Co., Inc. Machine-readable optical security device
US12036811B2 (en) 2022-10-10 2024-07-16 Crane & Co., Inc. Machine-readable optical security device

Also Published As

Publication number Publication date
DE3211102A1 (de) 1983-10-06

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