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GB0322031D0 - Optically variable diffractive device and related apparatus and method of reading - Google Patents

Optically variable diffractive device and related apparatus and method of reading

Info

Publication number
GB0322031D0
GB0322031D0 GBGB0322031.6A GB0322031A GB0322031D0 GB 0322031 D0 GB0322031 D0 GB 0322031D0 GB 0322031 A GB0322031 A GB 0322031A GB 0322031 D0 GB0322031 D0 GB 0322031D0
Authority
GB
United Kingdom
Prior art keywords
reading
optically variable
related apparatus
diffractive device
variable diffractive
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.)
Ceased
Application number
GBGB0322031.6A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Optaglio Ltd
Original Assignee
Optaglio Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Optaglio Ltd filed Critical Optaglio Ltd
Priority to GBGB0322031.6A priority Critical patent/GB0322031D0/en
Publication of GB0322031D0 publication Critical patent/GB0322031D0/en
Priority to PCT/GB2004/004013 priority patent/WO2005029400A2/en
Priority to EP04768559A priority patent/EP1671263A2/en
Ceased legal-status Critical Current

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
    • B42D25/328—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
    • B42D25/20—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
    • 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
    • G03H1/0236—Form or shape of the hologram when not registered to the substrate, e.g. trimming the hologram to alphanumerical shape
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/003—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements
    • G07D7/0032—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using security elements using 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
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2244—Means for detecting or recording the holobject

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Holo Graphy (AREA)
  • Mechanical Optical Scanning Systems (AREA)
GBGB0322031.6A 2003-09-19 2003-09-19 Optically variable diffractive device and related apparatus and method of reading Ceased GB0322031D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB0322031.6A GB0322031D0 (en) 2003-09-19 2003-09-19 Optically variable diffractive device and related apparatus and method of reading
PCT/GB2004/004013 WO2005029400A2 (en) 2003-09-19 2004-09-20 Optically variable diffractive device and related apparatus and method of reading
EP04768559A EP1671263A2 (en) 2003-09-19 2004-09-20 Optically variable diffractive device and related apparatus and method of reading

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0322031.6A GB0322031D0 (en) 2003-09-19 2003-09-19 Optically variable diffractive device and related apparatus and method of reading

Publications (1)

Publication Number Publication Date
GB0322031D0 true GB0322031D0 (en) 2003-10-22

Family

ID=29266335

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0322031.6A Ceased GB0322031D0 (en) 2003-09-19 2003-09-19 Optically variable diffractive device and related apparatus and method of reading

Country Status (3)

Country Link
EP (1) EP1671263A2 (en)
GB (1) GB0322031D0 (en)
WO (1) WO2005029400A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ2013836A3 (en) * 2013-10-31 2015-09-09 Holoptica, Llc Security diffractive element of quick response provided with a conglomerate of DNA and nanoparticles of highly variable properties
US11126902B2 (en) 2014-06-03 2021-09-21 IE-9 Technology Corp. Optically variable data storage device
US9489604B2 (en) 2014-06-03 2016-11-08 IE-9 Technology Corp. Optically variable data storage device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997002563A1 (en) * 1995-07-05 1997-01-23 Yenploy Pty. Ltd. Optical storage system
US6782115B2 (en) * 1998-04-16 2004-08-24 Digimarc Corporation Watermark holograms

Also Published As

Publication number Publication date
WO2005029400A3 (en) 2005-06-16
EP1671263A2 (en) 2006-06-21
WO2005029400A2 (en) 2005-03-31

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)