DE69305360T2 - AGAINST COPYLOCKED DOCUMENT AND METHOD FOR ITS PRODUCTION - Google Patents

AGAINST COPYLOCKED DOCUMENT AND METHOD FOR ITS PRODUCTION

Info

Publication number
DE69305360T2
DE69305360T2 DE69305360T DE69305360T DE69305360T2 DE 69305360 T2 DE69305360 T2 DE 69305360T2 DE 69305360 T DE69305360 T DE 69305360T DE 69305360 T DE69305360 T DE 69305360T DE 69305360 T2 DE69305360 T2 DE 69305360T2
Authority
DE
Germany
Prior art keywords
document
copylocked
production
copy
blotching
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.)
Revoked
Application number
DE69305360T
Other languages
German (de)
Other versions
DE69305360D1 (en
Inventor
Marc Salade
Jean J Robillard
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.)
BELGIQUE BANQUE NAT
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=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69305360(T2) "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 DE69305360D1 publication Critical patent/DE69305360D1/en
Application granted granted Critical
Publication of DE69305360T2 publication Critical patent/DE69305360T2/en
Anticipated expiration legal-status Critical
Revoked 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)
  • Cleaning In Electrography (AREA)
  • Tires In General (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Printing Methods (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Preparing Plates And Mask In Photomechanical Process (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).
DE69305360T 1992-12-08 1993-12-08 AGAINST COPYLOCKED DOCUMENT AND METHOD FOR ITS PRODUCTION Revoked DE69305360T2 (en)

Applications Claiming Priority (2)

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.
PCT/BE1993/000077 WO1994013492A1 (en) 1992-12-08 1993-12-08 Copy-protected document and method for obtaining same

Publications (2)

Publication Number Publication Date
DE69305360D1 DE69305360D1 (en) 1996-11-14
DE69305360T2 true DE69305360T2 (en) 1997-02-27

Family

ID=3886571

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69305360T Revoked DE69305360T2 (en) 1992-12-08 1993-12-08 AGAINST COPYLOCKED DOCUMENT AND METHOD FOR ITS PRODUCTION

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
EP0673321B1 (en) 1996-10-09
EP0673321A1 (en) 1995-09-27
WO1994013492A1 (en) 1994-06-23
BE1006699A5 (en) 1994-11-22
DE69305360D1 (en) 1996-11-14
ATE143872T1 (en) 1996-10-15
AU5555894A (en) 1994-07-04
TW280896B (en) 1996-07-11
CA2151238A1 (en) 1994-06-23

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation