WO2009106242A1 - Wertdokument mit fälschungssicherung durch thermochrome anzeige - Google Patents
Wertdokument mit fälschungssicherung durch thermochrome anzeige Download PDFInfo
- Publication number
- WO2009106242A1 WO2009106242A1 PCT/EP2009/001064 EP2009001064W WO2009106242A1 WO 2009106242 A1 WO2009106242 A1 WO 2009106242A1 EP 2009001064 W EP2009001064 W EP 2009001064W WO 2009106242 A1 WO2009106242 A1 WO 2009106242A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- information
- security element
- ink layer
- thermochromic ink
- element according
- Prior art date
Links
Classifications
-
- 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/378—Special inks
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
- B44F1/10—Changing, amusing, or secret pictures
-
- 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
-
- 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
- G07D7/01—Testing electronic circuits therein
-
- B42D2035/24—
Definitions
- the invention relates to a security element which has at least one thermochromic ink layer.
- the thermochromic ink layer covers a first information, so that the first information is not recognizable. Only with a first type of heat input into the thermochromic ink layer is the first information recognizable.
- a generic security element in which electronic components in the form of at least one LCR resonant circuit are provided in or on a value and security document.
- the LCR resonant circuit is in this case an electrical resonant circuit consisting of a coil with the inductance L, a capacitor with the capacitance C and an ohmic resistance R.
- An electromagnetic radiation source for example an RFID reader or a simple transmitter, excites the LCR resonant circuit where heat is produced by specific power dissipation and determined directly or via a specific indicator reaction.
- the specific indicator reaction takes place, for example, by a color change of a thermochromic ink layer inside and / or on the surface of the value and security document.
- thermochromic ink layer proceeds so slowly that it can not be used in current banknote processing machines with processing speeds of up to 40 banknotes per second.
- Such other heating may be, for example, a heat conduction via the hand, a radiation absorption of a lamp or an increased ambient temperature. Even if heat conduction via the hand and an increased ambient temperature due to, for example, a color change temperature of eg + 45 ° C can be ruled out, due to capacitive effects, eg due to soiling and the type of "holding in” the security element , and resistive effects due to creasing, the exact resonance frequency and thus the absorbed energy of the LCR resonant circuit can not be determined, which means that the heating and the associated proof of authenticity is uncertain.
- the invention is therefore the object of developing a generic security element such that the disadvantages of the prior art is eliminated and the protection against counterfeiting is further increased.
- the thermochromic ink layer covers a second information in addition to the first information.
- the second information is not visible in a certain temperature range, for example, at the usual ambient temperature or at room temperature. Only when a second type of heat input, which is preferably different from the first type of heat input, takes place in the thermochromic ink layer is the second information recognizable. According to the invention, therefore, in the first type of heat input, a color change takes place in a different geometric distribution or a different geometric pattern than in the second type of heat input.
- thermochromic color layer changes, this particular area being particularly preferably executed in the geometric shape of a pattern, an alphanumeric character or an image.
- the contour of this particular area forms the first information.
- thermochromic ink layer In the second type of heat input, for example, when heated by a finger or a lamp, however, changes the entire surface of the thermochromic ink layer, which is exposed to the heating.
- the second information is formed either by the outline contour of the surface having the color change, or additionally in a thermochromic color transition from color to colorless or transparent by a lying under the thermochromic ink layer print image.
- This print image is executed within the contour of the warming finger or light cone in the form of a pattern, an alphanumeric character or an image, for example as an arrangement of " €" symbols.
- the first and second information preferably have a different information content, wherein the first and second information can be arranged directly above one another or against each other.
- the first information may be a text or a number
- the second information may be a colored area of an oval outline.
- a different information content within the meaning of this invention is also present if the first and second information represent the same text, the same number, the same pattern, etc., the respective However, elements have different sizes or different colors or are mutually rotated or shifted.
- the first and second information have the same information content.
- the first and second information must be located at different locations on the security element or may only partially overlap, otherwise the first and second information would have the same information content.
- the first and second information each represent the number "50" in the same size, same font and color, but are more or less rotated against each other or arranged so that they are not congruent or not directly superimposed.
- thermochromic ink layer may cover at least one other piece of information that is also not recognizable.
- This further information can be recognized only in a further type of heat input into the thermochromic ink layer, which is different from the first and second type of heat input.
- a particular advantage is that three or more pieces of information, which either have the same information content at different locations or different information contents, can be "hidden" in the security element, whereby the protection against counterfeiting is further increased.
- the invention comprises both a substrate with a security element and a data carrier with a substrate with a security element.
- the data carrier is in particular a value document, such as a banknote, a security, a credit or identity card, for example Passport, a certificate and the like, a label, a packaging or other element for product safety.
- At least one information is arranged on one side of the substrate and at least one thermochromic color layer on the opposite side of the substrate.
- the heat transfer takes place through the substrate or security element.
- the security element has at least one electrical circuit.
- the electrical circuit in this case has at least one ohmic resistance, which is designed in the form of a pattern, an alphanumeric character or an image, wherein the thermochromic ink layer at least partially covers the ohmic resistance.
- the ohmic resistances thus have the task of a heating element. They are arranged in a matrix arrangement or any outline shape. In the case of electrical excitation, the ohmic resistances heat up the thermochromic ink layer, so that within the thermochromic ink layer a different colored or transparently formed number "50" appears , which corresponds in its shape and area of the number formed by the resistive numbers "50".
- the electrical excitation takes place in an embodiment of the electrical circuit as an open circuit by direct galvanic contact with an electrical energy source.
- this galvanic contact is made by contact between a battery and the electrical circuit.
- the electrical excitation preferably takes place without contact via the coupling of electromagnetic radiation and particularly preferably via magnetic-inductive coupling of a field in the radio-frequency range (RF).
- the resonant frequency of the LCR resonant circuit or operating frequency of the corresponding transmitting antenna is preferably in the range of 1 MHz to 1 GHz, preferably in the range of 5 MHz to 30 MHz and more preferably in the range of 13.56 MHz or 27 MHz.
- the total resistance of the LCR resonant circuit is preferably in the range of 100 ⁇ to 1 k ⁇ , more preferably in the range of 150 ⁇ to 500 ⁇ , of which the major portion, preferably more than 70% and more preferably more than 90%, to the ohmic Resistances deleted.
- the individual components of the electrical circuit are preferably produced by printing technology, that is printed on the substrate.
- the printed resistive resistors are made and dimensioned as follows:
- conductive polymers e.g. PEDOT (Baytron® from H.C.Starck or ORCACON® from AGFA), whereby the setting of the desired resistance value takes place via the line width, the line density or the layer thickness of the conductor track of the ohmic resistors,
- the electrical circuit is also possible to form the electrical circuit as a film application in the form of a security label, a so-called patch, or security strip and then transferred to a substrate.
- the individual ohmic resistors are preferably connected in parallel.
- the ohmic resistors connected in parallel are supplemented by further ohmic resistors connected in series, so that a greater bandwidth of the responsiveness can initially be realized and also visualized by these resistors in a preferably different size and thus different power class. at suitable dimensioning can be achieved both a spatially, as well as time-resolved color change.
- a color change of the thermochromic ink layer which "migrates" over the ohmic resistances results. First, the first ohmic resistance heats up, then the next, etc.
- the tripping speed of a heating element depends on its area or the heat capacity and the ohmic resistance and the difference between their tripping temperature and the ambient temperature. For example, color changes more slowly in a larger element than in a smaller element; if the area is the same, an element with a large ohmic resistance triggers faster than with a low resistance element, as long as the elements are connected in series. With parallel connection it is vice versa.
- a suitable design can be used to create a movement effect.
- thermochromic layer structure In addition to the described geometric differentiation of the color change after excitation and the temporal sequence, there is the possibility of a differentiation according to temperature or heating with a suitable layer structure.
- the bottom for example, has a transition temperature of +50 0 C and the overhead example of + 25 ° C.
- a color change from black to green occurs with thermal excitation by a finger and with electrical stimulation with a greater energy input of black to blue.
- thermochromic colors it is thus also possible to achieve temporal / thermal continuous color transitions.
- thermochromic liquid-crystal pigments is used on a simple black background, rainbow colors appear depending on the actual temperature.
- time-varying colored images / patterns can be generated. Further explanations on this are given in DE 10 2006 016 048, the relevant disclosure of which is incorporated here.
- thermochromic ink in the ground state at ambient or ambient temperature is used as the upper visible layer
- an additional overprinting of a polarizing effect ink as described in DE 10243650 A1 or WO 2004028824 A2 is advantageously carried out, the disclosure of which is incorporated herein becomes.
- the black area is aesthetically resolved
- the polarization of the reflected light provides additional protection.
- a particular advantage of the invention arises when in the near future RFID tags will increasingly find use also on individual retail packaging.
- corresponding RFID readers at checkout terminals will be as common as nowadays barcode scanners or UV lamps for authentication of banknotes.
- all banknotes of a banknote or plant stack are excited by radio frequency irradiation and then the thermochromic color change of each individual banknote is evaluated by machine.
- Fig. 1 is a schematic representation of the security element according to the invention and here in
- thermochromic ink layer in the ground state
- FIG. 1 b upon touching and heating of the thermochromic ink layer with a finger
- thermochromic ink layer 1c for large-area heating of the thermochromic ink layer with a lamp
- thermochromic ink layer upon excitation of a partially underlying electrical circuit with electrical energy
- Fig. 2 shows a variant of the embodiment of Fig. 1, in which under the thermochromic layer information in the form of " €" symbols is printed, and this in Fig. 2a when touched and heated, the thermochromic
- thermochromic ink layer in large-scale heating of the thermochromic ink layer with a lamp
- FIG. 5 shows a variant of the embodiment from FIG. 4, wherein the entire ohmic resistor is formed from five resistors connected in series, FIG.
- FIG. 6 shows a layer structure of a security element according to the invention, which is additionally overprinted with an optically variable ink layer.
- Fig. 1 shows a banknote or a chip card, which consists of a substrate 1, on which a thermochromic ink layer 2 is applied in the form of an oval surface.
- the thermochromic ink layer 2 In the ground state, ie at room or ambient temperature, the thermochromic ink layer 2 is opaque and has a certain color, for example green. If a viewer places a finger on the thermochromic ink layer 2, according to FIG. 1 b the corresponding area 3 changes its opacity and becomes colorless, so that the substrate 1 underlying the thermochromic ink layer 2 becomes visible. If an imprint in the form of several " €" symbols is present on the substrate 1, the " €" symbols 6 arranged in the region 3 are shown in FIG. 2a.
- thermochromic ink layer 2 is irradiated by a large-area heat source, the entire region 4 of the thermochromic ink layer 2 changes its opacity and becomes colorless.
- the result is a transparent oval surface, in which, according to FIG. 1c, the surface of the substrate 1 or, according to FIG. 2b, the " €" symbols 7 arranged in this region become visible.
- the contours of the region 3 or the surface 4 in conjunction with the surface of the lying below the thermochromic ink layer 2 substrate in this case correspond to the second information according to the invention.
- thermochromic resistors of an electrical circuit are arranged underneath the thermochromic ink layer 2 in accordance with FIGS. 3 and 4, which are arranged in the form of the number "50.” If electrical energy is now coupled into the electrical circuit, the ohmic resistances heat up in such a way that the thermochromic ink layer 2 changes its color from green to transparent in a region 5. Thus, within the green thermochromic ink layer 2, a transparent region 5 in the form of the number "50" appears.
- the region 5 of the thermochromic ink layer 2 in this case corresponds to the first information according to the invention.
- Fig. 3 shows an embodiment of the electrical circuit in the form of an open circuit with galvanic energy coupling.
- the electrical circuit consists of galvanic contacts 10, conductor tracks 9 made of a low-resistance material, for example silver, and resistive resistors Ri, the surface 8 of which is in the form of the number "50.”
- the ohmic resistors Ri are completely below the thermochromic ink layer 2 and are arranged centrally within the oval outline shape, whereas the galvanic contacts 10 are not located and the printed conductors 9 are only partially below the thermochromic ink layer 2.
- Fig. 4 shows an alternative to Fig. 3 embodiment in which the electrical circuit is designed as an electrical resonant circuit 11.
- the electrical oscillating circuit consists of a coil with the inductance L, a capacitor with the capacitance C and ohmic resistors Ri.
- the capacitor is preferably designed as an additional conductive surface element or / and as a hologram patch, so that the capacitor is advantageous as a further the banknote located security element may be formed.
- the heating resistor is formed as a series circuit of five individual ohmic resistors Rl to R5, wherein the resistance value from the ohmic resistance Rl to the ohmic resistance R5 decreases steadily, i. Rl> R2> R3> R4> R5 (the resistance value of the ohmic resistance Rl is greater than that of the ohmic resistance R2, that of the ohmic resistance R2 is greater than that of the ohmic resistance R3, which of the ohmic resistance R3 is greater than that of ohmic resistance R4 and that of the ohmic resistor R4 is greater than that of the ohmic resistor R5).
- the resistance values are thus formed in a cascade, so that, when electrical energy is injected into the electric circuit, there is a locally migrating color change from R 1 to R 2 to R 3 to R 4 to R 5.
- FIG. 6 shows one of several possible variants of a layer structure of a security element according to the invention, which is additionally overprinted with a color layer.
- a layer structure of a security element which is additionally overprinted with a color layer.
- printed conductors 13 which consist of a low-resistance conductive material, such as silver.
- a layer 14 is printed with medium conductivity, for example, a graphite color.
- the conductor tracks 13 and the layer 14 form the ohmic resistance with the corresponding electrical connections.
- the layer sequence of the interconnects 13 and the layer 14 can be exchanged.
- thermochromic ink layer 2 which has, for example, a color change from black to colorless or transparent.
- an optically variable ink layer 15 is printed on the thermochromic ink layer.
- the optically variable ink layer 15 includes, for example, polarizing liquid crystal pigments, so that the black surface is optically enhanced and due to the polarization of the reflected light is given an additional safeguard.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Computer Security & Cryptography (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Printing Methods (AREA)
- Credit Cards Or The Like (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2010139579/08A RU2511575C2 (ru) | 2008-02-27 | 2009-02-16 | Ценный документ с защитой от подделки с помощью термочувствительной индикации |
CA2716892A CA2716892A1 (en) | 2008-02-27 | 2009-02-16 | Document of value with forgery protection through thermochromic display |
CN200980106836.7A CN101960495B (zh) | 2008-02-27 | 2009-02-16 | 带有热致变色的防伪标志的有价文件 |
EP09716143.4A EP2248111B1 (de) | 2008-02-27 | 2009-02-16 | Wertdokument mit fälschungssicherung durch thermochrome anzeige |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008011299A DE102008011299A1 (de) | 2008-02-27 | 2008-02-27 | Wertdokument mit Fälschungssicherung durch thermochrome Anzeige. |
DE102008011299.2 | 2008-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009106242A1 true WO2009106242A1 (de) | 2009-09-03 |
Family
ID=40577960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/001064 WO2009106242A1 (de) | 2008-02-27 | 2009-02-16 | Wertdokument mit fälschungssicherung durch thermochrome anzeige |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2248111B1 (de) |
CN (1) | CN101960495B (de) |
CA (1) | CA2716892A1 (de) |
DE (1) | DE102008011299A1 (de) |
RU (1) | RU2511575C2 (de) |
WO (1) | WO2009106242A1 (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010052270A1 (de) * | 2008-11-06 | 2010-05-14 | Giesecke & Devrient Gmbh | Zeitlich variierende warenkennzeichnung |
EP2319708A2 (de) | 2009-11-05 | 2011-05-11 | Giesecke & Devrient GmbH | Verfahren zur Individualisierung eines Sicherheitselements |
DE102010054053A1 (de) | 2010-12-10 | 2012-06-14 | Giesecke & Devrient Gmbh | Datenträger, Sicherheitselement und Verfahren zum Beeinflussen des Farbwechsels thermochromer Farbschichten |
DE102010054054A1 (de) | 2010-12-10 | 2012-06-14 | Giesecke & Devrient Gmbh | Datenträger mit Thermochromschicht zur Eingabebestätigung |
WO2014184481A1 (fr) | 2013-05-13 | 2014-11-20 | Fasver | Procédé et dispositif de protection sécuritaire d'un document officiel et document officiel ainsi protégé |
WO2016071627A1 (fr) | 2014-11-04 | 2016-05-12 | Fasver | Procédé de fabrication d'un support de données et support de données ainsi obtenu |
US20190286176A1 (en) * | 2016-05-18 | 2019-09-19 | Hitachi, Ltd. | Printing Device, Printing Device Control Method and Writing Device |
WO2021123136A1 (fr) | 2019-12-20 | 2021-06-24 | Oberthur Fiduciaire Sas | Structure de sécurité multicouches à usage fiduciaire et document de sécurité qui en fait usage |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008058398A1 (de) | 2008-11-21 | 2010-06-10 | Giesecke & Devrient Gmbh | Datenträger mit kontaktlos auslesbarem Chip und Antenne |
DE102012211150A1 (de) | 2012-06-28 | 2014-01-02 | Bundesdruckerei Gmbh | Identifikationsdokument |
DE102014005397A1 (de) * | 2014-04-11 | 2015-10-15 | Giesecke & Devrient Gmbh | Verfahren zur Herstellung eines Datenträgers zur Anzeige einer individuellen Information |
DE102014017535B4 (de) | 2014-11-26 | 2018-10-04 | Mühlbauer Gmbh & Co. Kg | Identifikationsdokument mit Informationen aus thermochromer Tinte und Verfahren zum Herstellen eines ldentifikationsdokuments sowie Verfahren zum Verifizieren eines ldentifikationsdokuments |
FR3057694A1 (fr) * | 2016-10-13 | 2018-04-20 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Ecran d'affichage comprenant une couche chauffante a base de polymeres poly(thio- ou seleno-)pheniques |
US11416727B1 (en) * | 2021-07-02 | 2022-08-16 | Block, Inc. | Thermo-sensitive payment card |
DE102021124407A1 (de) | 2021-09-21 | 2023-03-23 | Leonhard Kurz Stiftung & Co. Kg | Thermochromes Sicherheitselement und Verfahren zur Herstellung eines thermochromen Sicherheitselements |
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EP0608078A1 (de) * | 1993-01-20 | 1994-07-27 | Portals (Bathford) Limited | Sicherheitsfaden, und ihre Verwendung in Sicherheitspapier |
EP1066978A2 (de) * | 1999-07-09 | 2001-01-10 | Scientific Games International Limited | Sicherheit von bedruckten Gegenständen |
DE19941295A1 (de) | 1999-08-31 | 2001-03-01 | Giesecke & Devrient Gmbh | Sicherheitselement |
US6369793B1 (en) * | 1998-03-30 | 2002-04-09 | David C. Zimman | Printed display and battery |
EP1320836A2 (de) | 2000-09-21 | 2003-06-25 | Bundesdruckerei GmbH | Fälschungs- und diebstahlsicherungssystem insbesondere für wert- und sicherheitsdokumente |
DE10243650A1 (de) | 2002-09-19 | 2004-04-01 | Giesecke & Devrient Gmbh | Sicherheitselement |
DE102006001487A1 (de) | 2006-01-11 | 2007-07-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Elektrisch steuerbare Anzeigevorrichung mit elektrisch beheizbarer thermochromer Schicht |
DE102006016048A1 (de) | 2006-04-04 | 2007-10-18 | Giesecke & Devrient Gmbh | Sicherheitselement |
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RU2108422C1 (ru) * | 1996-12-20 | 1998-04-10 | Войсковая часть 33825 | Термочувствительный состав для защиты бумаги от подделки |
-
2008
- 2008-02-27 DE DE102008011299A patent/DE102008011299A1/de not_active Withdrawn
-
2009
- 2009-02-16 WO PCT/EP2009/001064 patent/WO2009106242A1/de active Application Filing
- 2009-02-16 EP EP09716143.4A patent/EP2248111B1/de not_active Not-in-force
- 2009-02-16 CA CA2716892A patent/CA2716892A1/en not_active Abandoned
- 2009-02-16 CN CN200980106836.7A patent/CN101960495B/zh not_active Expired - Fee Related
- 2009-02-16 RU RU2010139579/08A patent/RU2511575C2/ru not_active IP Right Cessation
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EP0608078A1 (de) * | 1993-01-20 | 1994-07-27 | Portals (Bathford) Limited | Sicherheitsfaden, und ihre Verwendung in Sicherheitspapier |
US6369793B1 (en) * | 1998-03-30 | 2002-04-09 | David C. Zimman | Printed display and battery |
EP1066978A2 (de) * | 1999-07-09 | 2001-01-10 | Scientific Games International Limited | Sicherheit von bedruckten Gegenständen |
DE19941295A1 (de) | 1999-08-31 | 2001-03-01 | Giesecke & Devrient Gmbh | Sicherheitselement |
EP1320836A2 (de) | 2000-09-21 | 2003-06-25 | Bundesdruckerei GmbH | Fälschungs- und diebstahlsicherungssystem insbesondere für wert- und sicherheitsdokumente |
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WO2004028824A2 (de) | 2002-09-19 | 2004-04-08 | Giesecke & Devrient Gmbh | Sicherheitselement |
DE102006001487A1 (de) | 2006-01-11 | 2007-07-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Elektrisch steuerbare Anzeigevorrichung mit elektrisch beheizbarer thermochromer Schicht |
DE102006016048A1 (de) | 2006-04-04 | 2007-10-18 | Giesecke & Devrient Gmbh | Sicherheitselement |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010052270A1 (de) * | 2008-11-06 | 2010-05-14 | Giesecke & Devrient Gmbh | Zeitlich variierende warenkennzeichnung |
EP2319708A2 (de) | 2009-11-05 | 2011-05-11 | Giesecke & Devrient GmbH | Verfahren zur Individualisierung eines Sicherheitselements |
DE102009052073A1 (de) | 2009-11-05 | 2011-05-12 | Giesecke & Devrient Gmbh | Verfahren zur Individualisierung eines Sicherheitselements |
DE102010054054B4 (de) | 2010-12-10 | 2024-10-17 | Giesecke+Devrient ePayments GmbH | Datenträger mit Thermochromschicht zur Eingabebestätigung |
DE102010054053A1 (de) | 2010-12-10 | 2012-06-14 | Giesecke & Devrient Gmbh | Datenträger, Sicherheitselement und Verfahren zum Beeinflussen des Farbwechsels thermochromer Farbschichten |
DE102010054054A1 (de) | 2010-12-10 | 2012-06-14 | Giesecke & Devrient Gmbh | Datenträger mit Thermochromschicht zur Eingabebestätigung |
WO2012076171A1 (de) | 2010-12-10 | 2012-06-14 | Giesecke & Devrient Gmbh | Datenträger, sicherheitselement und verfahren zum beeinflussen des farbwechsels thermochromer farbschichten |
WO2014184481A1 (fr) | 2013-05-13 | 2014-11-20 | Fasver | Procédé et dispositif de protection sécuritaire d'un document officiel et document officiel ainsi protégé |
US10239336B2 (en) | 2013-05-13 | 2019-03-26 | Fasver | Method and device for the secure protection of an official document and official document thus protected |
US11090968B2 (en) | 2014-11-04 | 2021-08-17 | Illinois Tool Works Inc. | Method for manufacturing a data medium and data medium thus obtained |
WO2016071627A1 (fr) | 2014-11-04 | 2016-05-12 | Fasver | Procédé de fabrication d'un support de données et support de données ainsi obtenu |
US20190286176A1 (en) * | 2016-05-18 | 2019-09-19 | Hitachi, Ltd. | Printing Device, Printing Device Control Method and Writing Device |
US10894425B2 (en) * | 2016-05-18 | 2021-01-19 | Hitachi, Ltd. | Printing device, printing device control method and writing device |
WO2021123136A1 (fr) | 2019-12-20 | 2021-06-24 | Oberthur Fiduciaire Sas | Structure de sécurité multicouches à usage fiduciaire et document de sécurité qui en fait usage |
FR3105087A1 (fr) | 2019-12-20 | 2021-06-25 | Oberthur Fiduciaire Sas | Structure de sécurité multicouches à usage fiduciaire et document de sécurité qui en fait usage |
Also Published As
Publication number | Publication date |
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CN101960495A (zh) | 2011-01-26 |
EP2248111A1 (de) | 2010-11-10 |
DE102008011299A1 (de) | 2009-09-03 |
CN101960495B (zh) | 2014-12-31 |
RU2010139579A (ru) | 2012-04-20 |
RU2511575C2 (ru) | 2014-04-10 |
EP2248111B1 (de) | 2016-07-13 |
CA2716892A1 (en) | 2009-09-03 |
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