EP4384400A1 - Sicherheitsmerkmal für einen datenträger und datenträger - Google Patents
Sicherheitsmerkmal für einen datenträger und datenträgerInfo
- Publication number
- EP4384400A1 EP4384400A1 EP22761951.7A EP22761951A EP4384400A1 EP 4384400 A1 EP4384400 A1 EP 4384400A1 EP 22761951 A EP22761951 A EP 22761951A EP 4384400 A1 EP4384400 A1 EP 4384400A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- security feature
- decoder
- representation
- coded representation
- grid
- 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.)
- Pending
Links
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
- B42D25/351—Translucent or partly translucent parts, e.g. windows
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
-
- 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
- B42D25/305—Associated digital information
-
- 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
- B42D25/337—Guilloche patterns
-
- 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
- B42D25/373—Metallic materials
Definitions
- a security feature referred to as Magic ID is disclosed in EP 1 322480 A1.
- This security feature is printed in offset, later lenticular lenses are arranged over the security feature. This manufacturing process is complex. In addition, the image quality of the security feature depends on the printing process.
- the object of the present invention is therefore to simplify the production of security features and at the same time to increase the possible uses of the security feature.
- a security feature according to the invention for a data carrier comprises a substrate, a coded representation of the security feature arranged in or on the substrate, the coded representation containing a plurality of individual representations and the plurality of individual representations being arranged in a division over one dimension of the security feature, and a decoder with a grid, wherein a grid spacing of the grid corresponds to the pitch, an integer multiple of the pitch, or one half of the pitch.
- Half of the pitch is understood here to mean pitches of a half, a quarter, an eighth and so on.
- the division is provided over or along at least one dimension. In the case of a line grid, the division is provided along one dimension, for example the width or the length, of the security feature. In the case of a point grid, the division can be provided along two dimensions, for example the width and the length, of the security feature.
- the encoded representation with the multiple individual representations is calculated before production, so that it can later be decoded with a suitable optical decoder and thus viewed.
- a basic idea of the present invention is that instead of lenses, a raster is used, which functions as a light-diffracting or light-refracting structure.
- a raster is used, which functions as a light-diffracting or light-refracting structure.
- Such an optical grid is matched to the coded representation and allows optical effects such as a tilting image, ie a change between two images, or a moving representation, ie an animation over several images.
- the security feature proposed here therefore has the advantage that a tilting effect, a moving image or a decoding can be produced without a complex lens. This simplifies production and allows new applications. Provision can be made for the grid to be in the form of a line grid or point grid. With both variants, complicated optical effects can also be realized with a simple structure.
- the decoder can also be made for the decoder to be arranged on the substrate above or below the coded representation in the viewing direction. In the case of a transparent substrate, the flexibility in the production and construction of the security feature is thus increased.
- the decoder can have demetallized structures.
- the decoder can be formed in a metal layer or metallic foil by removing the demetallized structures from the layer or foil, for example by an etching or milling process. It is also possible to leave out the demetallized structures when coating them with metal.
- the decoder is provided externally to the coded representation and can be arranged above the coded representation in the viewing direction.
- the spatial separation of the decoder and the encoded representation allows new applications and can simplify manufacturing since the decoder does not have to be attached directly to the encoded representation.
- the decoder only needs to be placed above or below the encoded representation during a decoding process, such as checking a passport.
- the decoder is a mobile phone application in which a grid is provided to match a respective coded representation.
- the grid may be presented in a camera view of the encoded representation. This overlays the coded representation and the decoder raster so that the coded representation is decoded.
- the mobile phone application can have security features and, for example, be connected to a central server for data synchronization or data verification. Several decoders for different security features or documents can be provided in the mobile phone application.
- the screen can also be a decoder, with the coded representation being displayed on a screen and the raster of the decoder corresponding to a line or point spacing of the screen. The coded information is then decoded by the superimposition of the decoder and the coded representation.
- the substrate is transparent.
- the substrate can also be partially transparent or opaque with a transparent or partially transparent window. It is then possible to view the security feature or the representation from both sides, ie a front side and a back side.
- the decoder can be attached to one side of the substrate and the encoded representation can be attached to the opposite side of the substrate. Likewise, the decoder and the encoded representation can be attached to one side of the substrate.
- the encoded representation is a security guilloche.
- the fine structures of a security guilloche are then formed according to the calculated individual representations of the encoded representation.
- the encoded representation may be a moving representation when the security feature is tilted.
- the moving representation may be, for example, a flip image resulting from movement of the encoded representation relative to the viewer's eye between two or more representations tilts or changes.
- the moving representation can, for example, also be a movement over several images. These images can be shown moving in an endless movement.
- the number of images corresponds to the number of several individual representations.
- the coded representation or the multiple individual representations are calculated in such a way that the representation is a moving representation when the security feature is tilted. This can be done in data preparation before production.
- the moving representation may be a flip image that flips or switches between two or more representations when the representation moves relative to the viewer's eye.
- the moving representation can, for example, also be a movement over several images. These images can be shown moving in an endless movement.
- the coded representation is a moving representation when there is a relative movement between the decoder and the coded representation.
- a moving representation can also be generated by a relative movement, such as a translational movement, between the decoder and the encoded representation.
- the coded representation may be located on a visa paper page of a passport and the decoder may be in a data page. When these two pages of the passport are superimposed, the encoded representation is then decoded.
- a data carrier according to the invention such as a document of value or a chip card, comprises a carrier on or in which a security feature is arranged as described above.
- the data carrier can be arranged completely in an opening.
- the opening with the data carrier located therein can be covered, for example, by means of one or more transparent films.
- the data carrier can be a document of value such as a banknote, a passport or ID document.
- the security feature can be attached to any data carrier such as a document of value or a chip card. Otherwise, the same advantages and modifications as previously described apply.
- the decoder is an antenna of the data carrier and is arranged below the coded representation in a transparent area of the data carrier. This arrangement permits a thin construction of the data carrier since the antenna assumes both the transmitting and/or receiving function and the decoding function.
- the decoder can be arranged in a transparent area of a data page of a document of value and for the coded representation to be arranged on a paper side of the document of value.
- the document of value can be a passport or identification document with a data page made of one or more plastic materials or layers and with one or more visa pages made of paper.
- FIG. 2 shows a sectional view of the data carrier from FIG. 1 along the line I-I;
- the data carrier 10 is a document of value here and can be a bank note, a passport or ID document or the like. Likewise, the data carrier 10 can be a chip card. In the example shown in FIG. 1, the data carrier 10 is an identity document.
- the data carrier 10 contains a security feature 11, for example in the form of a symbol.
- the security feature 11 is a moving image or a tilted image.
- the security feature 11 is at least partially arranged in an opening 10a in the data carrier 10 .
- the data carrier 10 contains further personal data 12 such as the first and last name of the owner.
- the identity card can contain further data 13, such as date of birth, nationality, issuing authority, date of issue and the like.
- FIG. 2 shows a section through the data carrier 10 along the line I-I of FIG.
- the data carrier 10 contains a card body 14 and the security feature 11 which is at least partially arranged in an opening 10a of the data carrier 10 or the card body 14 .
- the card body 14 can be transparent or partially transparent in the visible spectral range.
- the card body 14 can also be opaque, in which case a transparent or partially transparent window is provided in the area below the opening 10a.
- the security feature 11 can be printed on the card Body 14 may be placed or formed as one or more layers of the card body 14. In these cases, the opening 10a of the data carrier 10 can be dispensed with.
- the security feature 11 comprises a substrate 15 on or in which a coded representation 16 of the security feature 11 is formed.
- the encoded representation 16 is applied to one side, here a top side or front side, of the substrate 15 .
- the substrate 15 can be transparent or partially transparent in the visible spectral range.
- the coded representation 16 contains several individual representations. These individual representations are visible as individual images or individual representations via changes in the viewing angle when viewing the security feature 11 or when there is a relative movement between the encoded representation 16 and the decoder 17 .
- the individual representations can be defined and calculated representations of gears, which then rotate together when the viewing angle changes or when there is a relative movement, like in a short film or a continuous loop.
- the coded representation 16 and the decoder 17 are optically matched to one another.
- the encoded representation 16 or the plurality of individual representations are arranged in a division T over one dimension of the security feature 11 .
- structures such as, for example, lines of the optical grid 17a of the decoder 17 have a grid spacing which corresponds to an integral multiple of the pitch or to half the pitch T. This also includes if the grid spacing corresponds exactly to the pitch T.
- the grid spacing can be derived from the pitch T of the encoded representation 16 via a factor, the factor having a value of . . . , 1/8, 1/4, 1/2, 1, 2, 4, . Other smaller or larger values of the sequence are also possible as a factor for the grid spacing.
- the encoded representation 16 has been calculated before being introduced onto the substrate 15 in such a way that the representation is a moving representation when the security feature 11 or the data carrier 10 is tilted.
- the encoded representation 16 may be or include a Magic ID security feature, for example.
- the moving representation may be a flip image that flips or alternates between two or more representations as the encoded representation 16 moves relative to the viewer's view.
- the moving representation can, for example, also be a movement over several images. These images can be shown moving in an endless movement.
- the division T is included as a parameter in the calculation of the encoded representation 16 .
- One image can be provided per division.
- the number of images in this encoded representation 16 is included in the calculation as part of data processing before the creation of the encoded representation 16 .
- the images introduced into the coded representation 16 can contain purely graphic representations, for example rotating gears, text elements, pictorial representations or also personal information.
- the encoded representation 16 may include any personally identifiable information, such as a signature, date of birth, or the like.
- the encoded representation 16 can include data related to the data carrier 10, such as a period of validity, a card number, information about the issuing authority or the like.
- the data carrier 10 can comprise additional layers, for example one or more protective layers or functional layers provided with other security elements. The transparency of the data carrier 10 in the area of the security feature 11 can be retained. This allows the security feature 11 to be viewed from both the front and the back of the data carrier 10.
- the coded representation 16 here contains three elements 18, each of which represents a gear wheel. In the coded representation, the three elements 18 are not recognizable as gearwheels; this is only possible in interaction with a corresponding decoder.
- the element 18 has a central annular region 18a.
- This area 18a is largely unaffected by the coding/decoding, which is why this area 18a is also visible or recognizable in the coded representation.
- this area 18a comprises the base of the gear which carries the teeth.
- Another area 18b of the element 18 is shown here as an outer ring and is not visible or not recognizable in the coded representation.
- this area 18b includes the teeth of the gear wheel. These are only fully recognizable in interaction with a corresponding decoder.
- the area 18b which here represents the teeth of the gear wheel, consists of parallel lines. These lines are arranged according to the pitch T. The several individual representations are contained in these parallel lines. Here in the example of the gears, each individual representation contains a different position of the teeth or gears.
- the coded representation 16 can thus also contain non-coded areas, which then do not move in the moving representation.
- the number of lines can correspond to the number of individual representations desired.
- the pitch T can be defined as the dimension, such as length or width, of the encoded representation 16 divided by the number of discrete representations desired.
- Fig. 4 shows a basic representation of a decoder 17 of a security feature 11.
- the decoder 17 has a raster 17a, with a raster spacing of the raster corresponding to the pitch T, an integer multiple of the pitch T, or half of the pitch T.
- the decoder 17 can be arranged on the substrate 15 above or below the coded representation 16 in the viewing direction.
- the decoder 17 can have or consist of demetallized structures.
- the decoder 17 is formed externally to the coded representation 16 and can be arranged above the coded representation 16 in the viewing direction.
- the decoder 17 can be in the form of an optical layer such as a foil, for example.
- the decoder can also be a mobile phone or a mobile phone application in which a grid is provided in a camera display of the coded display 16 to match a respective coded display 16 .
- the decoder 17 can be a screen, with the grid corresponding to a line or point spacing of the screen.
- the decoder 17 comprises a grid 17a derived from the division of the coded representation 16, which is already arranged on the coded representation 16 or can be arranged.
- FIG. 5 shows a basic representation of a decoded representation 19 of a security feature 11. This decoded representation 19 is produced when the decoder 17 with the grid 17a is arranged above or below the coded representation 16.
- FIG. 16 An individual representation of the encoded representation 16 is shown in FIG. In the case of a security feature 11, a pivoting movement of the security feature 11 or a tilting of the head would lead to a moving display in which the gear wheels are rotating.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Collating Specific Patterns (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021004132.1A DE102021004132A1 (de) | 2021-08-11 | 2021-08-11 | Sicherheitsmerkmal für einen Datenträger und Datenträger |
| PCT/EP2022/025367 WO2023016668A1 (de) | 2021-08-11 | 2022-08-09 | Sicherheitsmerkmal für einen datenträger und datenträger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4384400A1 true EP4384400A1 (de) | 2024-06-19 |
Family
ID=83151597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22761951.7A Pending EP4384400A1 (de) | 2021-08-11 | 2022-08-09 | Sicherheitsmerkmal für einen datenträger und datenträger |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12437178B2 (de) |
| EP (1) | EP4384400A1 (de) |
| CN (1) | CN117813204A (de) |
| CA (1) | CA3228751A1 (de) |
| DE (1) | DE102021004132A1 (de) |
| MX (1) | MX2024001930A (de) |
| WO (1) | WO2023016668A1 (de) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT1322480E (pt) | 2000-10-05 | 2007-01-31 | Trub Ag | Suporte de gravação |
| US7194105B2 (en) | 2002-10-16 | 2007-03-20 | Hersch Roger D | Authentication of documents and articles by moiré patterns |
| EP1527901B1 (de) * | 2003-10-28 | 2007-03-07 | Alcan Technology & Management Ltd. | Fälschungssicheres Verpackungsmaterial mit einem Sicherheitsmerkmal |
| DE102004007379B3 (de) * | 2004-02-16 | 2005-09-01 | Ovd Kinegram Ag | Wertgegenstand mit Moiré-Muster |
| ES2439942T3 (es) * | 2006-08-03 | 2014-01-27 | Smart Packaging Solutions (Sps) | Documento securizado, especialmente pasaporte electrónico con seguridad reforzada |
| DE102010053052A1 (de) * | 2010-12-01 | 2012-06-06 | Giesecke & Devrient Gmbh | Datenträger mit Kennzeichnung |
| FI3078004T3 (fi) * | 2013-12-02 | 2023-04-25 | Leonhard Kurz Stiftung & Co Kg | Menetelmä turvaelementin todentamiseksi |
| JP2017115257A (ja) * | 2015-12-22 | 2017-06-29 | 大日本印刷株式会社 | 偽造防止用スレッドおよび偽造防止用紙 |
| FR3046110B1 (fr) * | 2015-12-29 | 2022-03-25 | Arjowiggins Security | Article securise comportant une image combinee et/ou une trame de revelation |
| DE102016007784A1 (de) | 2016-06-24 | 2017-12-28 | Giesecke+Devrient Currency Technology Gmbh | Optisch variables Sicherheitselement |
| DE102017004682A1 (de) | 2017-05-16 | 2018-11-22 | Giesecke+Devrient Currency Technology Gmbh | Verfahren zur Absicherung eines Teilprodukts und System mit einem abgesicherten Teilprodukt |
| CN112908147B (zh) * | 2019-12-03 | 2022-12-27 | 李锦峰 | 防伪标签及其物品 |
-
2021
- 2021-08-11 DE DE102021004132.1A patent/DE102021004132A1/de active Pending
-
2022
- 2022-08-09 US US18/682,786 patent/US12437178B2/en active Active
- 2022-08-09 CN CN202280055170.2A patent/CN117813204A/zh active Pending
- 2022-08-09 CA CA3228751A patent/CA3228751A1/en active Pending
- 2022-08-09 EP EP22761951.7A patent/EP4384400A1/de active Pending
- 2022-08-09 MX MX2024001930A patent/MX2024001930A/es unknown
- 2022-08-09 WO PCT/EP2022/025367 patent/WO2023016668A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023016668A1 (de) | 2023-02-16 |
| US20240370685A1 (en) | 2024-11-07 |
| US12437178B2 (en) | 2025-10-07 |
| DE102021004132A1 (de) | 2023-02-16 |
| CA3228751A1 (en) | 2023-02-16 |
| CN117813204A (zh) | 2024-04-02 |
| MX2024001930A (es) | 2024-04-19 |
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