DE60231342D1 - Authentifizierung von dokumenten und wertsachen durch anwendung des intensitätsprofils von moiremuster - Google Patents

Authentifizierung von dokumenten und wertsachen durch anwendung des intensitätsprofils von moiremuster

Info

Publication number
DE60231342D1
DE60231342D1 DE60231342T DE60231342T DE60231342D1 DE 60231342 D1 DE60231342 D1 DE 60231342D1 DE 60231342 T DE60231342 T DE 60231342T DE 60231342 T DE60231342 T DE 60231342T DE 60231342 D1 DE60231342 D1 DE 60231342D1
Authority
DE
Germany
Prior art keywords
document
intensity profile
authentication
moire intensity
screen
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
DE60231342T
Other languages
English (en)
Inventor
Isaac Amidror
Roger D Hersch
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.)
Ecole Polytechnique Federale de Lausanne EPFL
Original Assignee
Ecole Polytechnique Federale de Lausanne EPFL
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 Ecole Polytechnique Federale de Lausanne EPFL filed Critical Ecole Polytechnique Federale de Lausanne EPFL
Application granted granted Critical
Publication of DE60231342D1 publication Critical patent/DE60231342D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G07D7/06—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 wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/128—Viewing devices
    • 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
    • G07D7/20—Testing patterns thereon
    • G07D7/202—Testing patterns thereon using pattern matching
    • G07D7/207—Matching patterns that are created by the interaction of two or more layers, e.g. moiré patterns

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Polarising Elements (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
DE60231342T 2001-06-11 2002-05-14 Authentifizierung von dokumenten und wertsachen durch anwendung des intensitätsprofils von moiremuster Expired - Lifetime DE60231342D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/902,445 US6819775B2 (en) 1996-07-05 2001-06-11 Authentication of documents and valuable articles by using moire intensity profiles
PCT/IB2002/001657 WO2002101669A2 (en) 2001-06-11 2002-05-14 Authentication of documents and valuable articles by using moire intensity profiles

Publications (1)

Publication Number Publication Date
DE60231342D1 true DE60231342D1 (de) 2009-04-09

Family

ID=25415876

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60231342T Expired - Lifetime DE60231342D1 (de) 2001-06-11 2002-05-14 Authentifizierung von dokumenten und wertsachen durch anwendung des intensitätsprofils von moiremuster

Country Status (7)

Country Link
US (1) US6819775B2 (de)
EP (1) EP1554699B1 (de)
AT (1) ATE424012T1 (de)
DE (1) DE60231342D1 (de)
DK (1) DK1554699T3 (de)
ES (1) ES2322560T3 (de)
WO (1) WO2002101669A2 (de)

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Publication number Priority date Publication date Assignee Title
CN103502811A (zh) * 2011-03-17 2014-01-08 纽约大学 用于检验和鉴别物理对象的系统、方法和计算机可访问介质
CN103502811B (zh) * 2011-03-17 2015-11-25 纽约大学 用于检验和鉴别物理对象的设备和方法

Also Published As

Publication number Publication date
EP1554699A2 (de) 2005-07-20
DK1554699T3 (da) 2009-06-08
EP1554699B1 (de) 2009-02-25
WO2002101669A3 (en) 2005-05-26
WO2002101669A2 (en) 2002-12-19
US6819775B2 (en) 2004-11-16
ATE424012T1 (de) 2009-03-15
US20020012447A1 (en) 2002-01-31
ES2322560T3 (es) 2009-06-23

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