EP0710574B1 - Méthode de génération à l'aide de moyens électroniques d'un dessin de sécurité - Google Patents

Méthode de génération à l'aide de moyens électroniques d'un dessin de sécurité Download PDF

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Publication number
EP0710574B1
EP0710574B1 EP95810632A EP95810632A EP0710574B1 EP 0710574 B1 EP0710574 B1 EP 0710574B1 EP 95810632 A EP95810632 A EP 95810632A EP 95810632 A EP95810632 A EP 95810632A EP 0710574 B1 EP0710574 B1 EP 0710574B1
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EP
European Patent Office
Prior art keywords
lines
image
width
line
spacing
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.)
Expired - Lifetime
Application number
EP95810632A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0710574A2 (fr
EP0710574A3 (fr
Inventor
Lan Guex
Laurent Mathys
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.)
KBA Notasys SA
Original Assignee
De la Rue Giori SA
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 De la Rue Giori SA filed Critical De la Rue Giori SA
Publication of EP0710574A2 publication Critical patent/EP0710574A2/fr
Publication of EP0710574A3 publication Critical patent/EP0710574A3/fr
Application granted granted Critical
Publication of EP0710574B1 publication Critical patent/EP0710574B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • 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
    • B42D25/342—Moiré effects
    • 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
    • B42D2035/16—

Definitions

  • the present invention relates to a generation method using electronic means of a drawing of security intended to be printed on securities, including bank notes and fiduciary papers, composed of multiple lines, as well as a plate printing and value paper bearing at least a drawing generated by the implementation of the method.
  • EP-A-0204 552 a safety drawing is described comprising areas formed by non-parallel lines, whose width and / or distance vary.
  • the choice of particular security drawings allows cause the appearance of moiré.
  • the purpose of this invention is to provide a method for generating moiré drawings when copied digital.
  • the invention therefore provides a method of generation of designs based on multiple lines.
  • An important advantage of the invention is the fact that it allows you to create security drawings including geometric or artistic images while so far safety drawings of this type do not include no geometric or artistic images.
  • the lines of the bottom can be turned from a certain angle ⁇ partially or totally or we can turn according to this angle only the line segments at inside a contour delimiting an image.
  • said lines are cut out, so interrupted inside the delimiting contour the image.
  • the lines are modulated by the form (outline) of an image and we create a relief effect by known means, in particular by breaking the continuity lines.
  • the width of the lines is modified according to the density of the gray of the image original geometric.
  • the line segments not contributing to the formation of an image retain their width and spacing respecting the ratio r 0 defined in step c of the method.
  • the width of the lines is modified according to the original digital image obtained by a scanner.
  • the present invention also relates to a plate with at least one drawing generated according to one of claims 1 to 8 intended for printing of a security paper.
  • the invention also relates to a security paper comprising at least one safety drawing generated according to one of claims 1 to 8.
  • N is the modulation period.
  • FIG. 7 Another modification step after obtaining the figure 7 is to modify the shape of the lines while respecting the width of the lines obtained for example in the figure 4 or 7.
  • FIG. 8 which is identical to figure 7 we can get the figure 9 which is formed of lines forming waves or sinusoids.
  • FIG. 10 and 11 where FIG. 10 is identical to FIG. 7, one can transform these lines into concentric closed curves respecting the width of the lines in the figure 10.
  • the form of this transformation of lines straight in closed curves is not limited and it depends on the desired result.
  • the invention also relates to a printing plate. provided with at least one safety drawing created according to one described methods as well as a security paper provided at least one such drawing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Finance (AREA)
  • Accounting & Taxation (AREA)
  • Business, Economics & Management (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Burglar Alarm Systems (AREA)
  • Image Processing (AREA)
  • Cleaning In Electrography (AREA)
  • Cash Registers Or Receiving Machines (AREA)
EP95810632A 1994-11-01 1995-10-06 Méthode de génération à l'aide de moyens électroniques d'un dessin de sécurité Expired - Lifetime EP0710574B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH3264/94 1994-11-01
CH326494 1994-11-01
CH326494 1994-11-01

Publications (3)

Publication Number Publication Date
EP0710574A2 EP0710574A2 (fr) 1996-05-08
EP0710574A3 EP0710574A3 (fr) 1997-08-27
EP0710574B1 true EP0710574B1 (fr) 1999-07-28

Family

ID=4252223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95810632A Expired - Lifetime EP0710574B1 (fr) 1994-11-01 1995-10-06 Méthode de génération à l'aide de moyens électroniques d'un dessin de sécurité

Country Status (10)

Country Link
US (1) US5772249A (zh)
EP (1) EP0710574B1 (zh)
JP (1) JP3996218B2 (zh)
KR (1) KR100372173B1 (zh)
CN (1) CN1087852C (zh)
AT (1) ATE182528T1 (zh)
AU (1) AU699124B2 (zh)
CA (1) CA2159414C (zh)
DE (1) DE69511040T2 (zh)
RU (1) RU2138401C1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100540321C (zh) * 2001-09-07 2009-09-16 Kba-吉奥里股份有限公司 用于印刷品的控制单元

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6345104B1 (en) 1994-03-17 2002-02-05 Digimarc Corporation Digital watermarks and methods for security documents
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US7286684B2 (en) * 1994-03-17 2007-10-23 Digimarc Corporation Secure document design carrying auxiliary machine readable information
US7555139B2 (en) * 1995-05-08 2009-06-30 Digimarc Corporation Secure documents with hidden signals, and related methods and systems
CA2399356C (en) 2001-09-07 2012-01-24 Kba-Giori S.A. Control element for printed articles
GB0203577D0 (en) * 2002-02-15 2002-04-03 Ascent Systems Software Ltd Security printing
DE10237059A1 (de) * 2002-08-09 2004-02-26 Giesecke & Devrient Gmbh Datenträger
AU2002951963A0 (en) * 2002-10-09 2002-10-24 Commonwealth Scientific And Industrial Research Organisation Method of combining images
NL1021905C2 (nl) * 2002-11-12 2004-05-26 Konink Nl Munt N V Muntafbeelding opgebouwd uit karakteristieken.
MD2743G2 (ro) * 2003-03-13 2005-12-31 Александру ЧЕРБАРЬ Purtator de informatii
AU2003902810A0 (en) * 2003-06-04 2003-06-26 Commonwealth Scientific And Industrial Research Organisation Method of encoding a latent image
AU2003903501A0 (en) * 2003-07-07 2003-07-24 Commonwealth Scientific And Industrial Research Organisation A method of forming a reflective authentication device
CA2529388C (en) * 2003-07-07 2013-02-19 Commonwealth Scientific And Industrial Research Organisation Method of encoding a latent image
AU2003903502A0 (en) * 2003-07-07 2003-07-24 Commonwealth Scientific And Industrial Research Organisation A method of forming a diffractive authentication device
DE10353808B4 (de) * 2003-11-14 2015-09-03 Dr. Johannes Heidenhain Gmbh Messteilung für eine Positionsmesseinrichtung und Positionsmesseinrichtung
US8181884B2 (en) 2003-11-17 2012-05-22 Digimarc Corporation Machine-readable features for objects
RU2268152C9 (ru) 2004-08-11 2006-05-20 Милимарекс Лимитед Печатная продукция и способ ее изготовления (варианты)
GB2430647B (en) * 2005-09-29 2008-09-17 Rue De Int Ltd Security device for security substrates
US10343436B2 (en) 2006-02-27 2019-07-09 Viavi Solutions Inc. Security device formed by printing with special effect inks
FR2904723B1 (fr) * 2006-08-01 2008-12-19 Arjowiggins Security Soc Par A Structure de securite, notamment pour un document de securite et/ou de valeur
US8474874B2 (en) * 2006-10-02 2013-07-02 Travel Tags, Inc. Layered image display sheet
EP2074481A4 (en) * 2006-10-02 2015-05-06 Travel Tags Inc LAYER IMAGE DISPLAY APPLICATIONS AND METHODS
WO2008079268A2 (en) * 2006-12-19 2008-07-03 Travel Tags, Inc. Customized printing with depth effect
DE102007057658A1 (de) * 2007-02-07 2009-06-04 Leonhard Kurz Stiftung & Co. Kg Sicherheitselement
US20090315319A1 (en) * 2007-07-17 2009-12-24 Jimmy Kendrick Security documents and methods of deterring counterfeiting
US20090020999A1 (en) * 2007-07-17 2009-01-22 Jimmy Kendrick Security documents and methods of deterring counterfeiting
US20090021000A1 (en) * 2007-07-17 2009-01-22 Mccartney Larry G Security documents and methods of deterring counterfeiting
LT5868B (lt) 2010-12-30 2012-09-25 Aleksej Zaicevskij Techninės apsaugos būdas spausdintai produkcijai nuo kopijavimo apsaugoti
AU2012221588B2 (en) 2011-02-22 2015-12-17 Sun Patent Trust Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
TWI547152B (zh) 2011-02-22 2016-08-21 太格文 Ｉｉ有限責任公司 影像解碼方法及影像解碼裝置
WO2012131474A1 (en) * 2011-03-29 2012-10-04 Jura Trade, Limited Method and apparatus for generating and authenticating security documents
LT3661201T (lt) 2011-07-19 2021-04-12 Tagivan Ii Llc Filtravimo būdas, vaizdo dekodavimo būdas, vaizdo kodavimo būdas, vaizdo dekodavimo aparatas, vaizdo kodavimo aparatas ir vaizdo kodavimo/dekodavimo aparatas
CN102800044A (zh) * 2012-06-26 2012-11-28 广东金冠科技发展有限公司 防止复制与扫描的方法
EP2803497A1 (en) 2013-05-13 2014-11-19 KBA-NotaSys SA Printed security feature, object comprising such a printed security feature, and process of producing the same
US10453230B2 (en) * 2015-03-17 2019-10-22 Agfa Nv Security pattern generation method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1002600A (en) * 1909-08-14 1911-09-05 Edward Robert Morris Means for detecting counterfeit bank-notes, bonds, coupons, and the like.
DE360256C (de) * 1921-03-03 1922-09-30 Georg Vogel Hammerschlagwerk mit umlaufender Hammerscheibe zur Erzielung gleichmaessiger Schlaege
US1390959A (en) * 1921-04-12 1921-09-13 William Mann Company Safety-check
US1506144A (en) * 1922-04-15 1924-08-26 Edward M Weeks Safety background for checks or other documents
GB1138011A (en) * 1965-07-06 1968-12-27 Canadian Bank Note Co Ltd Improvements in printed matter for the purpose of rendering counterfeiting more difficult
GB8514158D0 (en) 1985-06-05 1985-07-10 De La Rue Thomas & Co Ltd Printed documents resistant to counterfeiting
DE3602563C1 (en) * 1986-01-29 1987-04-16 Deutsche Bundesbank Security paper with optically active structures generating a moiré effect
GB8818431D0 (en) 1988-08-03 1988-09-07 Kenrick & Jefferson Ltd Copy protection of multi-colour documents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100540321C (zh) * 2001-09-07 2009-09-16 Kba-吉奥里股份有限公司 用于印刷品的控制单元

Also Published As

Publication number Publication date
DE69511040D1 (de) 1999-09-02
AU699124B2 (en) 1998-11-26
JPH08295073A (ja) 1996-11-12
KR100372173B1 (ko) 2003-05-09
CN1087852C (zh) 2002-07-17
CN1132886A (zh) 1996-10-09
AU3286695A (en) 1996-05-09
EP0710574A2 (fr) 1996-05-08
CA2159414A1 (en) 1996-05-02
RU2138401C1 (ru) 1999-09-27
JP3996218B2 (ja) 2007-10-24
ATE182528T1 (de) 1999-08-15
KR960017169A (ko) 1996-06-17
US5772249A (en) 1998-06-30
CA2159414C (en) 2005-01-25
DE69511040T2 (de) 2000-01-05
EP0710574A3 (fr) 1997-08-27

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