EP0710184A1 - Ausweiskarte und verfahren zu deren herstellung - Google Patents
Ausweiskarte und verfahren zu deren herstellungInfo
- Publication number
- EP0710184A1 EP0710184A1 EP95919308A EP95919308A EP0710184A1 EP 0710184 A1 EP0710184 A1 EP 0710184A1 EP 95919308 A EP95919308 A EP 95919308A EP 95919308 A EP95919308 A EP 95919308A EP 0710184 A1 EP0710184 A1 EP 0710184A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- image
- color
- laser
- card
- card according
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012546 transfer Methods 0.000 claims abstract description 12
- 239000003086 colorant Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000000975 dye Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000000859 sublimation Methods 0.000 claims description 3
- 230000008022 sublimation Effects 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 230000031700 light absorption Effects 0.000 claims 2
- 239000011230 binding agent Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 238000007639 printing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000007640 computer printing Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000037308 hair color Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
- B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/475—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material for heating selectively by radiation or ultrasonic waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/475—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material for heating selectively by radiation or ultrasonic waves
- B41J2/4753—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material for heating selectively by radiation or ultrasonic waves using thermosensitive substrates, e.g. paper
-
- 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
-
- 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
- B42D25/23—Identity cards
-
- 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
- B42D25/45—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
- B42D25/40—Manufacture
- B42D25/48—Controlling the manufacturing process
- B42D25/485—Controlling the manufacturing process by electronic processing means
-
- B42D2033/20—
-
- B42D2035/06—
Definitions
- the invention relates to an identification card, in particular a credit card, with an image part which contains a photo of the person to be identified, where point-by-image image points of different absorption are introduced with a laser beam into a cover layer and / or into an intermediate and / or inlet layer lying under a transparent cover layer .
- the solution is that a single-color portion and / or gray or black portion of the image part is / are laser-introduced into the identification card and that a complementary color image portion is applied over it in a congruent manner with respect to the image.
- the portion of the image produced by laser technology can be generated directly in the cover layer if it is prepared with material components or pigments that can be changed by laser beam.
- the laser image portion is preferably introduced into an intermediate layer or into the inlet layer usually containing white dye, the laser energy input being selected such that an absorption change takes place in the deeper layer and the transparent cover layer remains largely unchanged.
- the splitting of the image into two parts, which are spaced apart from one another in the depth of the map, makes it possible to identify forgeries in which one of the parts is missing, since the parts of the image appear offset from one another when viewed obliquely and accordingly appear to be fuzzy correlated.
- This effect can be increased still further and can be exploited from a security point of view by generating the intensity of the laser image in a suitable manner, for example in strips a higher or lower laser intensity is introduced and, accordingly, the color image is additionally applied in the opposite manner, additionally in terms of its intensity with respect to the absorption region which is thereby missing.
- the image appears completely normal and homogeneous when viewed vertically, but when viewed obliquely, along the security pattern with discolored or lightened or darkened edges.
- Lasering generally produces a black part of the image using the known methods and conventional materials, which ranges from gray to white depending on the intensity, but a single-color image can also be produced if the layer to be lasered is suitably pigmented.
- pictures with dark brown discoloration by lasers are known, since brown decomposition products often result from the decomposition of the dye components of the inlet.
- a correspondingly reduced color component is preferably provided, so that the normal color image, including its black components, is formed summarily.
- the separate generation of the broadband absorbing image components in the laser image largely saves the simultaneous superimposition of complementary colors in the color image part for the generation of the black portion and the color depth there, which enables excellent image formation with relatively little color.
- FIGS. 1 and 2 are shown in FIGS. 1 and 2.
- Fig. 1 shows a credit card with an image portion in supervision
- the credit card in FIG. 1 has an area with an information microprocessor chip (C) and an image part (B) in which a passport photo of the credit card holder is shown. Further features of the user and information can be printed in the usual way or can be accommodated on the card on a magnetic or optical data carrier.
- the cross section through the image part (B) of the preferred credit card in FIG. 2 shows that it is made up of several layers 1 to 4, of which the two outer layers are transparent cover layers (1, 4) made of plastic and under the top cover layer (1 ) a laser-changeable intermediate layer area (2) is introduced, under which there is an inlet layer (3) which is opaque and is preferably originally white in the image area.
- the intermediate layer region (2) contains an image part (BL) which has been changed in its absorption property by laser radiation.
- the cover layer (1) is provided with a color image portion (FB) through the fusion with several sublimation colors, according to the design of the image.
- the credit card is preferably first subjected to the laser image point by point in a grid-like manner and its absorption property is accordingly changed.
- the known laser irradiation method can also be used, in which the surface of the ticking (3) is changed by the laser beam in its absorption property.
- it is then correlated in a color printer step by step, broken down into sub-steps, and the color image portion (BF) of the image is preferably composed of three color components.
- punctiform electrodes of a cutting-shaped thermal printer line are heated in an electrically controlled manner, so that the color layer of a color film introduced between the thermal printer line and the top layer melts and / or evaporates at points and is deposited on the top layer (1).
- the individual colors are applied one after the other in a known manner, either by using several color printer lines, each with different color foils, or by using a multi-color color foil with changing color sections, with the credit card being guided under the print line in a pilgrimage step.
- the precise assignment of the color and image components is controlled in a known manner via resolvers on the card transport and photosensors on the ink ribbon.
- thermo transfer process instead of the thermal transfer process, another paint application process can also be used.
- electrostatic-optical method that comes from color copying technology and that has been converted to dot creation for computer printers, and also the multi-color inkjet method that is used for computer printing can be used.
- a further advantageous embodiment of the method and the device for carrying out the method is that the same laser raster device that was used to introduce the laser image portion is used to apply the color image portion.
- the thermal transfer color film is brought into close contact with the card surface, whereupon the laser beam scans the image field in a controlled manner with the color information.
- the color film can be pressed on with an abutment made of a transparent material, in particular glass, the card being pressed from behind with an elastic counter-holder.
- the hold-down device can be designed as a full-surface plate or as a ruler, in particular as a glass rod.
- a movement e.g. B. rolling
- the laser beam is deflected only perpendicularly in the direction of the rod and sent through the rod, which acts as a lens.
- the color image generation with the same laser simplifies the device and its control and extreme precision of the spatial image and color correlation, since the same positioning means are used in each case.
- the film can also be tensed, whereby the elastic card is arched at least in the image area and thus ensures full-surface contact with the film.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Credit Cards Or The Like (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4417343A DE4417343C2 (de) | 1994-05-18 | 1994-05-18 | Ausweiskarte und Verfahren zu deren Herstellung |
| DE4417343 | 1994-05-18 | ||
| PCT/DE1995/000637 WO1995031338A1 (de) | 1994-05-18 | 1995-05-16 | Ausweiskarte und verfahren zu deren herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0710184A1 true EP0710184A1 (de) | 1996-05-08 |
| EP0710184B1 EP0710184B1 (de) | 1998-07-22 |
Family
ID=6518341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95919308A Expired - Lifetime EP0710184B1 (de) | 1994-05-18 | 1995-05-16 | Ausweiskarte und verfahren zu deren herstellung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5774168A (de) |
| EP (1) | EP0710184B1 (de) |
| CN (1) | CN1046461C (de) |
| DE (2) | DE4447428C2 (de) |
| RU (1) | RU2127671C1 (de) |
| WO (1) | WO1995031338A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005108110A1 (de) * | 2004-05-05 | 2005-11-17 | Giesecke & Devrient Gmbh | Schichtartiges wertdokument mit farbgemisch in einer schicht |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19907940A1 (de) * | 1999-02-24 | 2000-08-31 | Bundesdruckerei Gmbh | Verfahren zur Herstellung von mehrschichtigen Sicherheitsprodukten und ein nach dem Verfahren hergestelltes Sicherheitsprodukt |
| ES2270546T5 (es) * | 1999-03-16 | 2013-07-11 | Maurer Electronics Gmbh | Procedimiento para grabar información de imagen |
| US6698046B1 (en) * | 2001-03-26 | 2004-03-02 | Sunflower Medical, L.L.C. | Air mattress control unit |
| US7728048B2 (en) | 2002-12-20 | 2010-06-01 | L-1 Secure Credentialing, Inc. | Increasing thermal conductivity of host polymer used with laser engraving methods and compositions |
| ATE555911T1 (de) * | 2001-12-24 | 2012-05-15 | L 1 Secure Credentialing Inc | Verfahren zur vollfarb-markierung von id- dokumenten |
| CA2470547C (en) | 2001-12-24 | 2008-05-20 | Digimarc Id Systems, Llc | Laser etched security features for identification documents and methods of making same |
| JP2003211878A (ja) * | 2002-01-21 | 2003-07-30 | Hitachi Electronics Service Co Ltd | 偽造防止用idチップ付きパスポート |
| GB2385299A (en) * | 2002-03-08 | 2003-08-20 | Ec Smart | Thermally writeable card, ticket or pass with holder's image |
| EP1345166A1 (de) * | 2002-03-15 | 2003-09-17 | Kba-Giori S.A. | Sicherheitselement für Datenträger |
| WO2003088144A2 (en) | 2002-04-09 | 2003-10-23 | Digimarc Id Systems, Llc | Image processing techniques for printing identification cards and documents |
| EP1501983B1 (de) * | 2002-05-08 | 2017-12-20 | U-NICA Technology AG | Mehrschichtenkörper mit einer lasersensitiven schicht |
| US7824029B2 (en) | 2002-05-10 | 2010-11-02 | L-1 Secure Credentialing, Inc. | Identification card printer-assembler for over the counter card issuing |
| AU2003298731A1 (en) | 2002-11-26 | 2004-06-18 | Digimarc Id Systems | Systems and methods for managing and detecting fraud in image databases used with identification documents |
| US20040099730A1 (en) * | 2002-11-27 | 2004-05-27 | Sears, Roebuck And Co. | System and method of personalizing financial transaction cards |
| ATE491190T1 (de) | 2003-04-16 | 2010-12-15 | L 1 Secure Credentialing Inc | Dreidimensionale datenspeicherung |
| US20040254833A1 (en) * | 2003-06-12 | 2004-12-16 | First Data Corporation | Presentation instrument production systems and methods |
| US20050116027A1 (en) * | 2003-06-12 | 2005-06-02 | First Data Corp. | Personalized presentation instrument production systems and methods |
| US20050046175A1 (en) * | 2003-08-28 | 2005-03-03 | Fox Eric D. | Identification card with changeable insert |
| ITMI20032114A1 (it) * | 2003-10-31 | 2005-05-01 | Inxide S R L | Tessera in materia plastica e procedimento di stampa di |
| US20070022647A1 (en) * | 2005-07-28 | 2007-02-01 | Miller Craig A | Card with pocket |
| US8448991B2 (en) | 2006-03-17 | 2013-05-28 | Datacard Corporation | Secure identification documents |
| EP1918123A1 (de) * | 2006-10-31 | 2008-05-07 | Maurer Electronics Gmbh | Kartenförmiger Datenträger und Verfahren zu seiner Herstellung |
| DE102008038990B4 (de) * | 2008-08-13 | 2010-09-23 | Isedo Ag | Identifikations-Karte und Verfahren zu ihrer Herstellung |
| US8672216B2 (en) | 2009-04-14 | 2014-03-18 | First Data Corporation | Flat card production systems and methods |
| DE102009037832B4 (de) * | 2009-08-18 | 2020-10-29 | Mühlbauer Gmbh & Co. Kg | Identifikationsdokument mit zwei sich überlagernden Bildern |
| FR2962684B1 (fr) * | 2010-07-13 | 2012-08-24 | Oberthur Technologies | Procede de realisation d'un motif sur un support avec une encre de securite |
| MD4141C1 (ro) * | 2011-04-27 | 2012-07-31 | Arcadi ADAMCIUC | Document de identitate |
| EP2730425B1 (de) * | 2012-11-12 | 2016-02-03 | Agfa-Gevaert | Farbbildgebung von Sicherheitsdokumentvorläufern |
| US10245866B2 (en) * | 2012-11-12 | 2019-04-02 | Agfa-Gevaert | Colour imaging of security document precursors |
| JP6382537B2 (ja) * | 2014-03-13 | 2018-08-29 | 株式会社東芝 | 画像形成装置 |
| CN106457875B (zh) * | 2014-05-16 | 2019-10-25 | 尤尼卡技术股份有限公司 | 具有可个性化的真实性特征的数据载体 |
| US10946670B1 (en) * | 2015-04-09 | 2021-03-16 | Get Group Holdings Limited | Compositions, apparatus, methods, and substrates for making images and text |
| CN109922966B (zh) * | 2016-11-15 | 2021-04-06 | 索尼公司 | 绘图装置和绘图方法 |
| JP7093508B2 (ja) * | 2018-03-13 | 2022-06-30 | 大日本印刷株式会社 | 個人情報表示体 |
| EP4061644A1 (de) * | 2019-11-22 | 2022-09-28 | Covestro Intellectual Property GmbH & Co. KG | Schichtaufbau mit veränderter struktur sowie deren herstellung |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3048735C2 (de) * | 1980-12-23 | 1984-10-18 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | Ausweiskarte mit durch einen Laserschreiber aufgebrachten Informationen und Verfahren zur Herstellung derselben |
| DE3048733C2 (de) * | 1980-12-23 | 1983-06-16 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | "Ausweiskarte und Verfahren zur Herstellung derselben" |
| DE3151407C1 (de) * | 1981-12-24 | 1983-10-13 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | Ausweiskarte und Verfahren zu deren Herstellung |
| DE3213315C2 (de) * | 1982-04-08 | 1986-10-09 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | Verfahren zur Herstellung einer mehrschichtigen Ausweiskarte |
| US4663518A (en) * | 1984-09-04 | 1987-05-05 | Polaroid Corporation | Optical storage identification card and read/write system |
| ATE58871T1 (de) * | 1986-01-28 | 1990-12-15 | Maurer Electronics Gmbh | Kartenfoermiger datentraeger und verfahren zu seiner herstellung. |
| NL8603279A (nl) * | 1986-12-23 | 1988-07-18 | Papier Plastic Coating Groning | Gegevens dragende kaart. |
| DE3840729C2 (de) * | 1988-12-02 | 1997-07-17 | Gao Ges Automation Org | Mehrschichtiger Aufzeichnungsträger und Verfahren zum Beschriften eines mehrschichtigen Aufzeichnungsträgers |
| DE3907415A1 (de) * | 1989-03-08 | 1990-09-13 | Protechno Entwicklungsbuero Gm | Thermodrucker fuer ausweiskarten |
| DE4222722C2 (de) * | 1992-07-10 | 1996-08-01 | Kodak Ag | Vorrichtung zum Herstellen eines Diapositivs |
-
1994
- 1994-05-18 DE DE4447428A patent/DE4447428C2/de not_active Expired - Fee Related
-
1995
- 1995-05-16 RU RU96102590A patent/RU2127671C1/ru not_active IP Right Cessation
- 1995-05-16 CN CN95190311A patent/CN1046461C/zh not_active Expired - Fee Related
- 1995-05-16 DE DE59502879T patent/DE59502879D1/de not_active Expired - Fee Related
- 1995-05-16 EP EP95919308A patent/EP0710184B1/de not_active Expired - Lifetime
- 1995-05-16 US US08/553,579 patent/US5774168A/en not_active Expired - Fee Related
- 1995-05-16 WO PCT/DE1995/000637 patent/WO1995031338A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9531338A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005108110A1 (de) * | 2004-05-05 | 2005-11-17 | Giesecke & Devrient Gmbh | Schichtartiges wertdokument mit farbgemisch in einer schicht |
| US8936846B2 (en) | 2004-05-05 | 2015-01-20 | Giesecke & Devrient Gmbh | Layer-type value document comprising an ink mixture in one layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1126969A (zh) | 1996-07-17 |
| EP0710184B1 (de) | 1998-07-22 |
| WO1995031338A1 (de) | 1995-11-23 |
| CN1046461C (zh) | 1999-11-17 |
| US5774168A (en) | 1998-06-30 |
| DE4447428C2 (de) | 1997-09-11 |
| DE59502879D1 (de) | 1998-08-27 |
| RU2127671C1 (ru) | 1999-03-20 |
| DE4447428A1 (de) | 1995-11-30 |
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