WO1992009444A1 - Security device and authenticatable item - Google Patents
Security device and authenticatable item Download PDFInfo
- Publication number
- WO1992009444A1 WO1992009444A1 PCT/GB1991/002069 GB9102069W WO9209444A1 WO 1992009444 A1 WO1992009444 A1 WO 1992009444A1 GB 9102069 W GB9102069 W GB 9102069W WO 9209444 A1 WO9209444 A1 WO 9209444A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- symbols
- item
- inclination
- symbol
- viewing angle
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 31
- 239000002131 composite material Substances 0.000 claims description 37
- 239000000758 substrate Substances 0.000 claims description 24
- 230000000694 effects Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002966 varnish Substances 0.000 claims description 3
- 230000008447 perception Effects 0.000 description 13
- 239000010410 layer Substances 0.000 description 11
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000003086 colorant Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000004049 embossing Methods 0.000 description 3
- 230000033458 reproduction Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005323 electroforming Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000013047 polymeric layer Substances 0.000 description 1
- 238000003847 radiation curing Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical class [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
-
- 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
- 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
- B42D25/324—Reliefs
-
- 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
-
- 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
- B42D25/455—Associating two or more layers using heat
-
- 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
- B42D25/46—Associating two or more layers using pressure
-
- 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
- B42D25/465—Associating two or more layers using chemicals or adhesives
- B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
- G03H1/0011—Adaptation of holography to specific applications for security or authentication
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/024—Hologram nature or properties
- G03H1/0244—Surface relief holograms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
- G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
- G03H1/265—Angle multiplexing; Multichannel holograms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H2001/0204—Object characteristics
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/2249—Holobject properties
- G03H2001/2281—Particular depth of field
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/20—2D object
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/30—3D object
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/30—3D object
- G03H2210/32—3D+2D, i.e. composition of 3D and 2D sub-objects, e.g. scene in front of planar background
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/30—3D object
- G03H2210/33—3D/2D, i.e. the object is formed of stratified 2D planes, e.g. tomographic data
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/50—Nature of the object
- G03H2210/52—Alphanumerical
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/50—Nature of the object
- G03H2210/54—For individualisation of product
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2250/00—Laminate comprising a hologram layer
- G03H2250/42—Reflective layer
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2260/00—Recording materials or recording processes
- G03H2260/14—Photoresist
Landscapes
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Business, Economics & Management (AREA)
- Computer Security & Cryptography (AREA)
- Finance (AREA)
- Accounting & Taxation (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Credit Cards Or The Like (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Radar Systems Or Details Thereof (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Burglar Alarm Systems (AREA)
- Printing Methods (AREA)
- Toys (AREA)
- Pyrane Compounds (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
- Polarising Elements (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Alarm Systems (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Eye Examination Apparatus (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/050,181 US5447335A (en) | 1990-11-22 | 1991-11-22 | Security device and authenticatable item |
EP91920404A EP0558574B1 (en) | 1990-11-22 | 1991-11-22 | Security device and authenticatable item |
DE69122767T DE69122767T2 (en) | 1990-11-22 | 1991-11-22 | SECURITY DEVICE AND CERTIFICATE PIECE |
AU89383/91A AU650304B2 (en) | 1990-11-22 | 1991-11-22 | Security device and authenticatable item |
RU9193043670A RU2060167C1 (en) | 1990-11-22 | 1991-11-22 | Certified object, protective mark, method for production of protective mark and thin film used in production of diffracting protective marks |
GB9308924A GB2265334B (en) | 1990-11-22 | 1993-04-29 | Security device and authenticatable item |
FI932335A FI102952B (en) | 1990-11-22 | 1993-05-21 | Security device and certificate of authenticity |
HK105794A HK105794A (en) | 1990-11-22 | 1994-10-06 | Security device and authenticatable item |
GR960403335T GR3021926T3 (en) | 1990-11-22 | 1996-12-06 | Security device and authenticatable item |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9025390.7 | 1990-11-22 | ||
GB909025390A GB9025390D0 (en) | 1990-11-22 | 1990-11-22 | Security device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992009444A1 true WO1992009444A1 (en) | 1992-06-11 |
Family
ID=10685793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1991/002069 WO1992009444A1 (en) | 1990-11-22 | 1991-11-22 | Security device and authenticatable item |
Country Status (14)
Country | Link |
---|---|
US (1) | US5447335A (en) |
EP (1) | EP0558574B1 (en) |
AT (1) | ATE144205T1 (en) |
AU (1) | AU650304B2 (en) |
CA (1) | CA2096655C (en) |
DE (1) | DE69122767T2 (en) |
DK (1) | DK0558574T3 (en) |
ES (1) | ES2095333T3 (en) |
FI (1) | FI102952B (en) |
GB (2) | GB9025390D0 (en) |
GR (1) | GR3021926T3 (en) |
HK (1) | HK105794A (en) |
RU (1) | RU2060167C1 (en) |
WO (1) | WO1992009444A1 (en) |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4343387A1 (en) * | 1993-12-18 | 1995-06-29 | Kurz Leonhard Fa | Visually identifiable, optical security element for documents of value |
US5486933A (en) * | 1992-12-28 | 1996-01-23 | Toppan Printing Co., Ltd. | Monochromatic-light reproduction type hologram, and method and apparatus for its image reproduction |
WO2000020225A1 (en) * | 1998-10-02 | 2000-04-13 | Giesecke & Devrient Gmbh | Data carrier |
WO2000073991A1 (en) * | 1999-06-01 | 2000-12-07 | De La Rue International Limited | Security device |
WO2004093060A2 (en) | 2003-04-10 | 2004-10-28 | Erickson, Ronald, R. | Embedded information carrier for optical data |
EP1515166A2 (en) * | 1996-10-28 | 2005-03-16 | Pacific Holographics, Inc | Apparatus and method for generating diffractive element using liquid crystal display |
DE102004017093A1 (en) * | 2004-04-07 | 2005-11-03 | Leonhard Kurz Gmbh & Co. Kg | Embossing foil for the production of counterfeit-proof motor vehicle license plates and counterfeit-proof motor vehicle license plate with such a stamping foil |
EP1777596A3 (en) * | 2002-12-18 | 2007-08-08 | Dai Nippon Printing Co., Ltd. | Computer-generated hologram and its fabrication process |
WO2008139220A1 (en) * | 2007-05-11 | 2008-11-20 | Ver-Tec Security Systems Limited | Security holograms |
US7479320B2 (en) | 2001-12-21 | 2009-01-20 | Giesecke & Devrient Gmbh | Security element and method for producing the same |
FR2920340A1 (en) * | 2007-09-05 | 2009-03-06 | Hologram Ind Sarl | Secured document e.g. passport, has data support with perforations which are visible by observer, and reflecting unit arranged such that light traversing perforations are reflected through perforations |
US7560156B2 (en) | 2002-05-22 | 2009-07-14 | Leonhard Kurz Gmbh & Co. Kg | Strip shaped safeguarding element |
US7796311B2 (en) | 2004-12-06 | 2010-09-14 | De La Rue International Limited | Security device with multiple holographic or diffraction effect generating structures |
FR2953965A1 (en) * | 2009-12-14 | 2011-06-17 | Arjowiggins Security | SECURITY ELEMENT COMPRISING AN OPTICAL STRUCTURE |
US7989055B2 (en) | 2001-12-21 | 2011-08-02 | Giesecke & Devrient Gmbh | Security element and method for producing the same |
WO2011138616A1 (en) * | 2010-05-07 | 2011-11-10 | De La Rue International Limited | Security device |
US8221586B2 (en) * | 2006-05-08 | 2012-07-17 | De La Rue International Limited | Security substrate comprising watermark |
EP2600332A1 (en) * | 2010-07-29 | 2013-06-05 | Federalnoe Gosudarstvennoe Unitarnoe Predpriyatie "Goznak" (FGUP "Goznak") | Multilayered security element with variable optical effect and a counterfeit-proof document |
WO2014184560A1 (en) * | 2013-05-17 | 2014-11-20 | De La Rue International Limted | Security documents and methods of manufacture |
WO2015010881A1 (en) * | 2013-07-25 | 2015-01-29 | U-Nica Technology Ag | Method and device for verifying diffractive elements |
EP2886363B1 (en) | 2013-12-16 | 2017-06-21 | Giesecke & Devrient GmbH | Security element for security documents |
US10078306B2 (en) | 2007-05-11 | 2018-09-18 | M R Stephenson Group Limited | Security holograms formed using lenticular multichannel image generation device |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6082774A (en) | 1993-12-14 | 2000-07-04 | Schlauch; Frederick C. | Memorabilia articles having integral collectable attractiveness attributes |
NL9400498A (en) * | 1994-03-29 | 1995-11-01 | Iai Bv | Patterned value carrier provided with a laser beam. |
DE4423293C2 (en) * | 1994-07-02 | 1996-09-26 | Kurz Leonhard Fa | Structure arrangement with diffractive optically effective relief structure |
US5718457A (en) * | 1994-07-29 | 1998-02-17 | Elpatronic Ag | Method of marking objects with code symbols |
US5772248A (en) * | 1995-12-07 | 1998-06-30 | Verify First Technologies, Inc. | Document with tamper and counterfeit resistant relief markings |
GB9607788D0 (en) * | 1996-04-15 | 1996-06-19 | De La Rue Thomas & Co Ltd | Document of value |
US5788285A (en) * | 1996-06-13 | 1998-08-04 | Wicker; Thomas M. | Document protection methods and products |
AUPO289296A0 (en) * | 1996-10-10 | 1996-10-31 | Securency Pty Ltd | Self-verifying security documents |
NL1004433C2 (en) * | 1996-11-05 | 1998-05-08 | Iai Bv | Security feature in the form of a perforation pattern. |
GB9802990D0 (en) * | 1998-02-13 | 1998-04-08 | Ncr Int Inc | Sheet recognition system |
US6083771A (en) * | 1998-02-17 | 2000-07-04 | International Business Machines Corporation | Method and system for manufacturing theft-deterrent computer components |
US7407101B2 (en) * | 1998-11-12 | 2008-08-05 | Wenyu Han | Card with enhanced security features |
US20040113420A1 (en) * | 2002-12-16 | 2004-06-17 | Wenyu Han | Cards with enhanced security features and associated apparatus and methods |
US6354501B1 (en) | 1998-11-18 | 2002-03-12 | Crossoff Incorporated | Composite authentication mark and system and method for reading the same |
US6536672B1 (en) * | 1998-11-18 | 2003-03-25 | Dna Technologies, Inc. | Product authentication system and method |
DE19915943A1 (en) * | 1999-04-09 | 2000-10-12 | Ovd Kinegram Ag Zug | Decorative film |
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JP2002526291A (en) * | 1998-10-02 | 2002-08-20 | ギーゼッケ ウント デフリエント ゲーエムベーハー | Data carrier |
AU754983B2 (en) * | 1998-10-02 | 2002-11-28 | Giesecke & Devrient Gmbh | Data carrier |
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US7560156B2 (en) | 2002-05-22 | 2009-07-14 | Leonhard Kurz Gmbh & Co. Kg | Strip shaped safeguarding element |
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Also Published As
Publication number | Publication date |
---|---|
EP0558574A1 (en) | 1993-09-08 |
FI932335A (en) | 1993-05-21 |
EP0558574B1 (en) | 1996-10-16 |
DK0558574T3 (en) | 1997-03-24 |
FI102952B1 (en) | 1999-03-31 |
CA2096655A1 (en) | 1992-05-23 |
CA2096655C (en) | 1998-05-12 |
FI102952B (en) | 1999-03-31 |
GB9308924D0 (en) | 1993-07-14 |
GB9025390D0 (en) | 1991-01-09 |
AU8938391A (en) | 1992-06-25 |
GB2265334A (en) | 1993-09-29 |
HK105794A (en) | 1994-10-14 |
FI932335A0 (en) | 1993-05-21 |
ATE144205T1 (en) | 1996-11-15 |
GR3021926T3 (en) | 1997-03-31 |
DE69122767T2 (en) | 1997-02-20 |
ES2095333T3 (en) | 1997-02-16 |
GB2265334B (en) | 1994-04-20 |
AU650304B2 (en) | 1994-06-16 |
RU2060167C1 (en) | 1996-05-20 |
DE69122767D1 (en) | 1996-11-21 |
US5447335A (en) | 1995-09-05 |
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