WO1999024265A1 - Sicherheitsmerkmal für ein wert- oder sicherheitsdokument mit fraktalem lamellensystem - Google Patents
Sicherheitsmerkmal für ein wert- oder sicherheitsdokument mit fraktalem lamellensystem Download PDFInfo
- Publication number
- WO1999024265A1 WO1999024265A1 PCT/EP1998/006431 EP9806431W WO9924265A1 WO 1999024265 A1 WO1999024265 A1 WO 1999024265A1 EP 9806431 W EP9806431 W EP 9806431W WO 9924265 A1 WO9924265 A1 WO 9924265A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- security feature
- lamellae
- security
- angle
- fractal
- Prior art date
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
-
- 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
-
- 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
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
-
- 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
-
- 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
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/41—Marking using electromagnetic radiation
-
- 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
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/425—Marking by deformation, e.g. embossing
Definitions
- the invention relates to a security feature for value and security documents according to the preamble of claim 1 and a method for its production
- multiplex holograms This is a hologram which generates different images for the viewer from different viewing directions.
- interference layers in foils or generally in transparent bodies are also known Inference layers are thin optical layers that produce angle-dependent graphic or colored effects - depending on the viewing angle
- variable displays are known. These are lens arrays, which can be arranged on a security document via printing or security features and, depending on the direction of view of this lens, produce a different image depending on the viewing angle
- holograms and interference layers are difficult to display under a variety of lighting conditions.
- holograms and interference layers are wavelength-dispersive, which means that when viewed, different color fringes occur in white light, depending on the viewing angle
- the aforementioned lens arrays require complex manufacturing technologies and a certain, finite substrate thickness
- the invention is characterized by the technical teaching of claim 1
- An essential feature of the invention is that lamellae, which almost overlap one another, are arranged in a transparent body and fill the cross-section of the body in an approximately stepped manner. Fractal, rising lamellae are preferred.
- the invention is therefore based on the knowledge that a transparent substrate is subdivided by a non-transparent lamella system, in such a way that the substrate appears transparent when viewed in a certain direction while the light-transparent lamella system is visible when the direction of view is changed is prevented and a look through the substrate.
- the substrate If the substrate is rotated under the eye while the direction of view remains the same, the substrate appears transparent or black, depending on the rotation, because in the case of blackening, the non-transparent slat system with its non-transparent slats prevents a view through the substrate.
- each lamella forms a straight line on its side edge, but that each lamella is divided into a plurality of partial lamellas rising in a step-like manner, so that fractal lamellae are created which fill the cross section of the substrate.
- such a transparent substrate can be designed in such a way that it is at a certain observation angle of z. B. 90 ° appears completely transparent, and that then a sudden change occurs and from this angle of change, the substrate no longer appears transparent when it is rotated further.
- lamella systems can be arranged side by side and / or one above the other. They can overlap or exist in separate areas.
- the lamella system according to the invention is suitable for use in transmitted light and / or incident light.
- Figure 1 schematically shows a substrate with a simple lamella arrangement with non-fractal division
- FIG. 2 a substrate modified compared to FIG. 1 with a fractal division of lamellae
- Figure 3a the representation of a continuous line segment, which forms the side edge of a lamella according to Figure 1;
- Figure 3b the division of this line segment of the lamella according to Figure 3a at a first angle
- Figure 3c the subdivision of the lines according to Figure 3b by doubling this angle
- Figure 3d the subdivision of the line according to Figure 3c while tripling the angle
- Figure 4 shows a schematic representation of the light-dark change when changing the direction of observation.
- Figure 1 shows a substrate, i. H. thus a transparent body 2, which shows a total of three (roughly spaced apart) slats 6, 7, 8.
- the body here has two longitudinal sides 3 spaced apart from one another and the narrow sides 26 are arranged at an angle of 90 ° therefrom.
- the body is further defined by an upper cover surface 4 and a lower cover surface 5. It is therefore an approximately plate-shaped body 2, which should be transparent.
- Each lamella is defined by a longitudinal edge 9 which runs approximately parallel to the longitudinal edge of the narrow sides 26, and for the rest the surface of each lamella 6-8 also runs parallel to the narrow sides 26 of this plate-shaped body.
- the narrow sides of each lamella are each defined by a line segment 1 which runs approximately parallel to the narrow sides of the body.
- the non-transparent lamellae 6, 7, 8 prevent a view through the body; the body appears black.
- light-dark information can be conveyed, which depends on the position of the slats and their number, etc.
- the lamella system from Figure 3d is almost opaque for all angles between 0 ° and + 90 ° and almost translucent for all angles between 0 ° and -90 ° (see Fig. 4).
- a small angle ⁇ and a large N the deviations from "opaque” and "translucent” go to zero with increasing iteration.
- Such fractal lamellae can be used to construct images that appear and disappear at sharply defined angles. It has been mathematically proven that fractal lamella systems can be constructed, the parallel projection of which gives a desired image for this solid angle from every solid angle.
- the lamella systems can be exposed, written, embossed, extruded, mechanically produced (drilled) or implemented in a similar process in a substrate. They can be designed for viewing through or from above (back lighting or reflection).
- the security feature can be colored by a suitable choice of the colors of the substrate and slats.
- FIG. 2 now shows the application of the fractal lamellae 14, 15, 16, 17 shown in FIG. 3d in a substrate according to FIG. 2.
- the lamellae 14 - 17 are lined up to form a gap 12, 13 in a dense and step-like manner and in a step-like manner, the spaces 12, 13 allowing a view through these fractal lamellae when the body 2 is in the area between the arrow directions 21 - 22 is viewed from above. In contrast, in the area between the arrow directions 11-22, the body 2 appears dark.
- FIG. 4 shows schematically that, depending on the direction of observation 23, there is a bright area 24 in the angular range from + 90 ° to 0 ° and likewise a dark area 25 in the angular range from 0 ° to + 90 °.
- Security features can be easily integrated into value and security documents.
- a transparent body can be arranged in a window-like section of such a value and security document and can be viewed either in transmitted light or in reflected light.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Burglar Alarm Systems (AREA)
- Printing Methods (AREA)
- Credit Cards Or The Like (AREA)
- Holo Graphy (AREA)
- Laminated Bodies (AREA)
- Optical Elements Other Than Lenses (AREA)
- Record Information Processing For Printing (AREA)
- Facsimile Transmission Control (AREA)
- Electrophonic Musical Instruments (AREA)
- Image Generation (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002309960A CA2309960A1 (en) | 1997-11-11 | 1998-10-10 | Security feature for a security document or document of value with a fractal laminate system |
AT98965625T ATE218447T1 (de) | 1997-11-11 | 1998-10-10 | Sicherheitsmerkmal für ein wert- oder sicherheitsdokument mit fraktalem lamellensystem |
EP98965625A EP1030786B1 (de) | 1997-11-11 | 1998-10-10 | Sicherheitsmerkmal für ein wert- oder sicherheitsdokument mit fraktalem lamellensystem |
IL13603898A IL136038A0 (en) | 1997-11-11 | 1998-10-10 | Security feature for a security document of value with a fractal laminate system |
JP2000520311A JP2002516766A (ja) | 1997-11-11 | 1998-10-10 | 分割遮蔽薄片を有する有価値文書・保証文書のための保証標識及びその製造方法 |
DE59804359T DE59804359D1 (de) | 1997-11-11 | 1998-10-10 | Sicherheitsmerkmal für ein wert- oder sicherheitsdokument mit fraktalem lamellensystem |
PL98340404A PL340404A1 (en) | 1997-11-11 | 1998-10-10 | Protective feature of a security-type document or a document protected with a fractal system of strips |
KR1020007005083A KR20010031973A (ko) | 1997-11-11 | 1998-10-10 | 프랙탈 박판 시스템을 갖춘 어음 또는 유가증권용 안전특징 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19749789A DE19749789A1 (de) | 1997-11-11 | 1997-11-11 | Sicherheitsmerkmal für ein Wert- oder Sicherheitsdokument mit fraktalem Lamellensystem |
DE19749789.6 | 1997-11-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999024265A1 true WO1999024265A1 (de) | 1999-05-20 |
Family
ID=7848280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/006431 WO1999024265A1 (de) | 1997-11-11 | 1998-10-10 | Sicherheitsmerkmal für ein wert- oder sicherheitsdokument mit fraktalem lamellensystem |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1030786B1 (de) |
JP (1) | JP2002516766A (de) |
KR (1) | KR20010031973A (de) |
CN (1) | CN1283154A (de) |
AT (1) | ATE218447T1 (de) |
CA (1) | CA2309960A1 (de) |
DE (2) | DE19749789A1 (de) |
HU (1) | HUP0100158A2 (de) |
IL (1) | IL136038A0 (de) |
PL (1) | PL340404A1 (de) |
WO (1) | WO1999024265A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8534708B2 (en) | 2006-10-24 | 2013-09-17 | Giesecke & Devrient Gmbh | See-through security element with microstructures |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10358784A1 (de) * | 2003-12-12 | 2005-07-14 | Giesecke & Devrient Gmbh | Datenträger mit mittels Laserstrahl eingeschriebenen Kennzeichnungen und Verfahren zu seiner Herstellung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5393099A (en) * | 1993-05-21 | 1995-02-28 | American Bank Note Holographics, Inc. | Anti-counterfeiting laminated currency and method of making the same |
WO1997021552A1 (en) * | 1995-12-12 | 1997-06-19 | Ing Groep N.V. | Method for applying a security code to an article, such as a cheque guarantee card, credit card, identity card or component of a motor or machine |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3887742A (en) * | 1972-04-13 | 1975-06-03 | Richard E Reinnagel | Copy resistant documents |
DE2540846A1 (de) * | 1975-09-13 | 1977-03-17 | Pelikan Werke Wagner Guenther | Schutzueberzug fuer dokumente gegen kopieren |
DE4226907A1 (de) * | 1992-08-14 | 1994-02-17 | Basf Magnetics Gmbh | Film oder Schicht aus transparentem Material, insbesondere Kunststoff |
DE4226906A1 (de) * | 1992-08-14 | 1994-02-17 | Basf Magnetics Gmbh | Anti-Kopier-Film oder -Schicht für Dokumente |
DE4236563A1 (de) * | 1992-10-29 | 1994-05-05 | Basf Magnetics Gmbh | Anti-Kopier-Film oder -Schicht |
DE4320219A1 (de) * | 1993-06-18 | 1994-12-22 | Basf Magnetics Gmbh | Antikopierfilm |
DE4321685A1 (de) * | 1993-06-30 | 1995-03-23 | Basf Magnetics Gmbh | Antikopierfilm |
DE4324087A1 (de) * | 1993-07-17 | 1995-01-19 | Basf Magnetics Gmbh | Verfahren zur Herstellung eines Antikopierfilms |
DE4328413A1 (de) * | 1993-08-24 | 1995-03-02 | Basf Magnetics Gmbh | Antikopierfilm |
DE4334848C1 (de) * | 1993-10-13 | 1995-01-05 | Kurz Leonhard Fa | Wertpapier mit Fenster |
DE4432062C1 (de) * | 1994-09-09 | 1995-11-30 | Kurz Leonhard Fa | Visuell identifizierbares optisches Element |
DE4436192C1 (de) * | 1994-10-11 | 1996-03-21 | Kurz Leonhard Fa | Strukturanordnung, insbesondere für ein Sicherheitselement |
DE4441198A1 (de) * | 1994-11-18 | 1996-05-23 | Giesecke & Devrient Gmbh | Verfahren zur Herstellung eines Datenträgers |
-
1997
- 1997-11-11 DE DE19749789A patent/DE19749789A1/de not_active Withdrawn
-
1998
- 1998-10-10 JP JP2000520311A patent/JP2002516766A/ja not_active Withdrawn
- 1998-10-10 IL IL13603898A patent/IL136038A0/xx unknown
- 1998-10-10 CN CN98812557A patent/CN1283154A/zh active Pending
- 1998-10-10 DE DE59804359T patent/DE59804359D1/de not_active Expired - Fee Related
- 1998-10-10 CA CA002309960A patent/CA2309960A1/en not_active Abandoned
- 1998-10-10 HU HU0100158A patent/HUP0100158A2/hu unknown
- 1998-10-10 EP EP98965625A patent/EP1030786B1/de not_active Expired - Lifetime
- 1998-10-10 WO PCT/EP1998/006431 patent/WO1999024265A1/de not_active Application Discontinuation
- 1998-10-10 KR KR1020007005083A patent/KR20010031973A/ko not_active Application Discontinuation
- 1998-10-10 AT AT98965625T patent/ATE218447T1/de not_active IP Right Cessation
- 1998-10-10 PL PL98340404A patent/PL340404A1/xx unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5393099A (en) * | 1993-05-21 | 1995-02-28 | American Bank Note Holographics, Inc. | Anti-counterfeiting laminated currency and method of making the same |
WO1997021552A1 (en) * | 1995-12-12 | 1997-06-19 | Ing Groep N.V. | Method for applying a security code to an article, such as a cheque guarantee card, credit card, identity card or component of a motor or machine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8534708B2 (en) | 2006-10-24 | 2013-09-17 | Giesecke & Devrient Gmbh | See-through security element with microstructures |
Also Published As
Publication number | Publication date |
---|---|
IL136038A0 (en) | 2001-05-20 |
KR20010031973A (ko) | 2001-04-16 |
ATE218447T1 (de) | 2002-06-15 |
EP1030786A1 (de) | 2000-08-30 |
HUP0100158A2 (en) | 2002-07-29 |
DE19749789A1 (de) | 1999-05-12 |
DE59804359D1 (de) | 2002-07-11 |
CA2309960A1 (en) | 1999-05-20 |
JP2002516766A (ja) | 2002-06-11 |
EP1030786B1 (de) | 2002-06-05 |
CN1283154A (zh) | 2001-02-07 |
PL340404A1 (en) | 2001-01-29 |
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