AU5555894A - Copy-protected document and method for obtaining same - Google Patents

Copy-protected document and method for obtaining same

Info

Publication number
AU5555894A
AU5555894A AU55558/94A AU5555894A AU5555894A AU 5555894 A AU5555894 A AU 5555894A AU 55558/94 A AU55558/94 A AU 55558/94A AU 5555894 A AU5555894 A AU 5555894A AU 5555894 A AU5555894 A AU 5555894A
Authority
AU
Australia
Prior art keywords
copy
document
obtaining same
protected document
protected
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.)
Abandoned
Application number
AU55558/94A
Inventor
Jean J Robillard
Marc Salade
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.)
BANQUE NATIONALE DE BELGIQUE SA
Original Assignee
BELGIQUE BANQUE NAT
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3886571&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU5555894(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BELGIQUE BANQUE NAT filed Critical BELGIQUE BANQUE NAT
Publication of AU5555894A publication Critical patent/AU5555894A/en
Abandoned 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
    • B42D25/20—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
    • B42D25/328—Diffraction gratings; Holograms

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Holo Graphy (AREA)
  • Credit Cards Or The Like (AREA)
  • Tires In General (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Cleaning In Electrography (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Printing Methods (AREA)

Abstract

A copy-protected document (4) and a method for obtaining same. No accurate copy of said document can be obtained, in particular when using a colour photocopier. The document comprises an interference network (14) produced for instance holographically and designed to disrupt a directed light beam and cause blotching on any attempted copy of the original document (4).
AU55558/94A 1992-12-08 1993-12-08 Copy-protected document and method for obtaining same Abandoned AU5555894A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9201081A BE1006699A5 (en) 1992-12-08 1992-12-08 Protects against copyright document and method for obtaining such a document.
BE9201081 1992-12-08
PCT/BE1993/000077 WO1994013492A1 (en) 1992-12-08 1993-12-08 Copy-protected document and method for obtaining same

Publications (1)

Publication Number Publication Date
AU5555894A true AU5555894A (en) 1994-07-04

Family

ID=3886571

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55558/94A Abandoned AU5555894A (en) 1992-12-08 1993-12-08 Copy-protected document and method for obtaining same

Country Status (8)

Country Link
EP (1) EP0673321B1 (en)
AT (1) ATE143872T1 (en)
AU (1) AU5555894A (en)
BE (1) BE1006699A5 (en)
CA (1) CA2151238A1 (en)
DE (1) DE69305360T2 (en)
TW (1) TW280896B (en)
WO (1) WO1994013492A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5591527A (en) * 1994-11-02 1997-01-07 Minnesota Mining And Manufacturing Company Optical security articles and methods for making same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4892385A (en) * 1981-02-19 1990-01-09 General Electric Company Sheet-material authenticated item with reflective-diffractive authenticating device
JPS5988780A (en) * 1982-11-08 1984-05-22 アメリカン・バンク・ノ−ト・カムパニ− Making of optical refraction recording body and optical refraction pattern
EP0201323B1 (en) * 1985-05-07 1994-08-17 Dai Nippon Insatsu Kabushiki Kaisha Article incorporating a transparent hologramm

Also Published As

Publication number Publication date
BE1006699A5 (en) 1994-11-22
EP0673321B1 (en) 1996-10-09
DE69305360T2 (en) 1997-02-27
CA2151238A1 (en) 1994-06-23
EP0673321A1 (en) 1995-09-27
ATE143872T1 (en) 1996-10-15
DE69305360D1 (en) 1996-11-14
TW280896B (en) 1996-07-11
WO1994013492A1 (en) 1994-06-23

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