ES2140787T3 - Metodo y aparato para autenticar documentos. - Google Patents

Metodo y aparato para autenticar documentos.

Info

Publication number
ES2140787T3
ES2140787T3 ES96303493T ES96303493T ES2140787T3 ES 2140787 T3 ES2140787 T3 ES 2140787T3 ES 96303493 T ES96303493 T ES 96303493T ES 96303493 T ES96303493 T ES 96303493T ES 2140787 T3 ES2140787 T3 ES 2140787T3
Authority
ES
Spain
Prior art keywords
discriminatory
values
documents
document
intensity
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
ES96303493T
Other languages
English (en)
Inventor
Heather L Cumming
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.)
NCR International Inc
Original Assignee
NCR International Inc
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=10775074&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2140787(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by NCR International Inc filed Critical NCR International Inc
Application granted granted Critical
Publication of ES2140787T3 publication Critical patent/ES2140787T3/es
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
    • G07D7/1205—Testing spectral properties

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Character Input (AREA)
  • Collating Specific Patterns (AREA)

Abstract

EN UN METODO Y APARATO PARA LA AUTENTIFICACION DE DOCUMENTOS, AL MENOS UNA PEQUEÑA ZONA (22) DE UN DOCUMENTO (12) A VERIFICAR, ES DETECTADA POR UN ESPECTROSCOPIO (26) Y LA INTENSIDAD DE LA LUZ EN MULTIPLES (EJ.: 50) PUNTOS ESPECTRALES SE MIDE POR MEDIO DE UNA SERIE DE FOTODIODOS (30). LAS SEÑALES RESULTANTES SE DIGITALIZAN EN UN CONVERSOR ANALOGICO-DIGITAL (38) Y LOS DATOS RESULTANTES SE ALMACENAN. ESTOS DATOS SON ANALIZADOS DESPUES POR UN ANALISIS DISCRIMINATORIO, EN EL QUE SE MULTIPLICAN LOS VALORES DE INTENSIDAD, TRATADOS COMO COMPONENTES DE UN VECTOR, POR UNO O MAS CONJUNTOS DE COEFICIENTES DE PESO (FUNCIONES DISCRIMINATORIAS) PARA PROPORCIONAR AL MENOS UN CONJUNTO DE VALORES DE FUNCIONES DISCRIMINATORIAS. SE COMPARA UNA MEDIDA DE DISTANCIA ENTRE ESTE CONJUNTO DE VALORES Y EL CENTRO DE GRAVEDAD DE UN CONJUNTO DE VALORES CORRESPONDIENTES PARA DOCUMENTOS GENUINOS, CON UN VALOR DEL UMBRAL PARA DETERMINAR LA AUTENTICIDAD DEL DOCUMENTO (12).
ES96303493T 1995-05-25 1996-05-16 Metodo y aparato para autenticar documentos. Expired - Lifetime ES2140787T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9510678.7A GB9510678D0 (en) 1995-05-25 1995-05-25 Method and apparatus for authenticating documents

Publications (1)

Publication Number Publication Date
ES2140787T3 true ES2140787T3 (es) 2000-03-01

Family

ID=10775074

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96303493T Expired - Lifetime ES2140787T3 (es) 1995-05-25 1996-05-16 Metodo y aparato para autenticar documentos.

Country Status (6)

Country Link
EP (1) EP0744716B1 (es)
JP (1) JPH0916777A (es)
DE (1) DE69605854T2 (es)
ES (1) ES2140787T3 (es)
GB (1) GB9510678D0 (es)
ZA (1) ZA963604B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09231435A (ja) * 1996-02-21 1997-09-05 Copal Co Ltd 紙葉類真偽識別装置
JPH11154253A (ja) * 1997-11-20 1999-06-08 Sanyo Electric Co Ltd 紙葉類の真偽判定方法
FR2846445B1 (fr) * 2002-10-29 2005-04-08 Claude Lambert Procede d'authentification par marquage ou tracage chimique d'un objet ou d'une substance.
JP4349849B2 (ja) 2003-06-17 2009-10-21 日立オムロンターミナルソリューションズ株式会社 預金自動預け払い機及び紙幣の追跡方法
DE10346636A1 (de) * 2003-10-08 2005-05-12 Giesecke & Devrient Gmbh Vorrichtung und Verfahren zur Prüfung von Wertdokumenten
DE102009058438A1 (de) * 2009-12-16 2011-06-22 Giesecke & Devrient GmbH, 81677 Verfahren zur Prüfung von Wertdokumenten
DE102009058439A1 (de) * 2009-12-16 2011-06-22 Giesecke & Devrient GmbH, 81677 Verfahren zur Prüfung von Wertdokumenten
CN102254370B (zh) * 2011-06-17 2013-05-08 深圳市怡化电脑有限公司 纸币宽度和间距检测及张数统计的方法及其装置
AU2016100492B4 (en) * 2016-04-29 2016-07-21 Ccl Secure Pty Ltd A method and system for identifying and measuring a defect that reduces transparency in a substrate for a security document

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4526466A (en) * 1983-09-01 1985-07-02 Rca Corporation Technique for verifying genuineness of authenticating device
EP0198819B1 (en) * 1983-12-27 1988-08-24 BERGSTRÖM, Arne Apparatus for authenticating bank notes
US4577235A (en) * 1984-08-20 1986-03-18 The Mead Corporation Text/continuous tone image decision processor
JPH04346187A (ja) * 1991-05-23 1992-12-02 Matsushita Electric Ind Co Ltd 被検出物の良否判定方法
ES2103330T3 (es) * 1991-10-14 1997-09-16 Mars Inc Dispositivo para el reconocimiento optico de documentos.

Also Published As

Publication number Publication date
DE69605854T2 (de) 2000-07-20
GB9510678D0 (en) 1995-07-19
JPH0916777A (ja) 1997-01-17
DE69605854D1 (de) 2000-02-03
EP0744716B1 (en) 1999-12-29
EP0744716A3 (en) 1996-12-18
EP0744716A2 (en) 1996-11-27
ZA963604B (en) 1996-08-23

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