WO1985002928A1 - Appareil pour controler l'authenticite de billets de banque - Google Patents

Appareil pour controler l'authenticite de billets de banque Download PDF

Info

Publication number
WO1985002928A1
WO1985002928A1 PCT/SE1983/000477 SE8300477W WO8502928A1 WO 1985002928 A1 WO1985002928 A1 WO 1985002928A1 SE 8300477 W SE8300477 W SE 8300477W WO 8502928 A1 WO8502928 A1 WO 8502928A1
Authority
WO
WIPO (PCT)
Prior art keywords
bank note
analyser
radiation
note
operable
Prior art date
Application number
PCT/SE1983/000477
Other languages
English (en)
Inventor
Arne Bergström
Original Assignee
Bergstroem Arne
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 Bergstroem Arne filed Critical Bergstroem Arne
Priority to AT84900408T priority Critical patent/ATE36766T1/de
Priority to EP84900408A priority patent/EP0198819B1/fr
Priority to PCT/SE1983/000477 priority patent/WO1985002928A1/fr
Publication of WO1985002928A1 publication Critical patent/WO1985002928A1/fr
Priority to FI862714A priority patent/FI85312C/fi

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
    • 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
    • G07D7/205—Matching spectral properties

Definitions

  • the present invention relates to an apparatus for verification of the authenticity of bank notes. 5.
  • the main known authentication methods canbe grouped in three classes: thickness measuring, pattern recognising and colour sensing methods.
  • sensors are employed to measure the thickness distribution at specified portions of the bank note, correspondingtovarious 5. details on the bank note where characteristic variations in thickness are produced by the printing process, watermarks or the like. The authenticity criteria are then based on comparisons with specified standard values. The thickness is measured by mechanical or optical sensors. Mechanical
  • sensors for thickness measurements are known from e.g. BritishPatent Specifications 960,391, 963,586, GermanPatent Specifications 1,474,903, 2,423,094, Austrian Patent Speci ⁇ fication 329,903, Swedish Patent Specifications 337,952, 357,636, 349,679 and 7607927-6.
  • the second class of authentication methods is exempli-
  • the bank note is illuminated, and the reflection and/or trans ⁇ mission properties of selected portions of the bank note are examined using corresponding sets of detectors, one for each portion, respectively with different spectral
  • response characteristics e.g. U.S. Patent Specification 3,491,243.
  • selected portions of the bank note are illuminated by a plurality of light sources, one for each portion, respectively with different spectral distributions, and the transmission and/or reflection
  • the thickness criterion has the advantage that it can be no more difficult to circumvent by fraudulent means than the criteria based on patterns or colours.
  • folds or other imperfections naturally introduced by the normal use of bank notes tend to give high rejection rates for genuine, but used, bank notes - particularly if optical measurements of thickness are relied upon.
  • the known mechanical sensors tend to be rather expensive and 15. to require considerable maintenance to ensure correct functioning.
  • An object of the present invention is to provide apparatus with which bank notes can be authenticated easily
  • apparatus for authenticating a bank note comprising an analyser operable to examine said note and to produce an
  • 25. is operable to produce the same or substantially the same said output for different orientations and positioning of the same said bank note.
  • the said analyser is operable to examine
  • the examined properties are preferably integrated over the entire surface area of 5.
  • the bank note subjected to examination Any loss of infor ⁇ mation due to said integration is an asset rather than a disadvantage in that it can eliminate the effect of the usual extremely detail-rich spatial structure which is difficult to process adequately.
  • the analyser 10. output can have a more easily processible information content.
  • the bank note need not be positioned in the apparatus in an exactly predetermined manner: it may even be possible to insert the note upside down or in any orientation without impeding the accuracy 15. of the authenticity test. Moreover, it may also be possible to test different types of bank notes (different denomin ⁇ ations, currencies) with the same optimal accuracy.
  • the analyser is a spectral analyser operable to analyse the spectral distribution of radiation 20. reflected by or transmitted through the bank note from a multi-wavelength radiation source.
  • the analyser may utilise a sensing arrangement responsive to selected wavelengths either in the form of a continuous interference filter or a set of discrete monochromatic 25. filters in conjunction with a sensor or sensors operable to produce electrical signals at such wavelengths.
  • the apparatus is for use in the authentication of a conventional bank note printed with a detailed colour pattern 35. usually in one or more colours and/or shades.
  • the apparatus can be incorporated in an automatic merchandise vending machine or used in any suitable context as appropriate.
  • the apparatus comprises a chamber 10 to which a bank note 1 to be authenticated is fed using
  • the bank note 1 is introduced into an evaluation area 2 of the chamber 10, where it is placed against a black background 3, and illuminated by light sources 4 (such as filament lamps) with even spectral
  • the light reflected from the entire upper surface of the bank note is received by an optical sensor 5.
  • the optical sensor 5 has a sufficiently wide optical lobe and is placed at a sufficient distance from the bank note 1 to integrate the contributions from the entire
  • the optical sensor 5 converts the received light into spectral information of high resolution, and this information is fed in the form of electrical signals to a microprocessor-
  • optical sensor 5 Several alternative embodiments of the optical sensor 5 are conceivable.
  • a prism or diffraction grating can be used.
  • interference filters are more advantageous, either in the
  • 25* form of a continuous interference filter in which the band pass wavelength varies along the filter, or in the form of a set of discrete monochromatic filters.
  • the electrical signals representative of spectral information are obtained either by moving the filter/set of filters in front of a
  • the detectors can be silicon, germanium or lead sulphide detectors.
  • LEDs light-emitting diodes
  • LEDs detect radiation in the same manner as ordinary photodiodes, but within only a narrow spectral range, approximately the same as that within which they emit light. 5.
  • a light source with even spectral distri ⁇ bution and monochromatic detectors as described above, it is possible to employ a converse arrangement of monochromatic light sources and a detector or detectors with even spectral sensitivity.
  • the light sources may be activated alternately 10. one after the other in rapid succession.
  • the bank note is preferably illuminated by a set of LEDs in such a way that only LEDs of one spectral type are lit up at a time.
  • the authentication apparatus can be made to work selectively in either of two modes: programming mode and evaluation mode.
  • programming 20. mode the microprocessor regards any new bank note inserted into the evaluation area of the apparatus as a reference, and stores the corresponding spectral information in memory. In this way a set of reference spectra for different bank notes can be derived and permanently stored.
  • 25. locked switch is set to the evaluation mode, the spectrum of any new bank note inserted into the evaluation area of the apparatus is compared against the set of reference spectra in the memory. This comparison is made by a comparison algorithm, in which spectral values for the 30. test note at different wavelengths is compared to corres ⁇ ponding values for each of the reference spectra.
  • the algorithm may contain a free normalization parameter. Since soiling and other deficiencies arising during use of bank notes, normally 35. introduce only a change in the overall reflectivity etc., the mean deviation obtained for genuine notes in this way is generally low, and this authentication technique provides sharp discrimination between genuine and false bank notes.
  • Appropriate feed devices may be provided for trans- 5- ferring an authenticated bank note from the chamber 10 to a storage location whilst at the same time actuating a vending machine merchandise delivery mechanism, and for transferring a non-authenticated note to a return outlet or the like.
  • 25- apparatus described above can provide for this to be taken into account.
  • infra-red 190 to about 3000nm
  • the light guides also provide a simple way to obtain more information from the bank note in the form of certain additional integrals over the entire bank note such as lO.fourier transforms or moments, preferably in conjunction with the spectral information described above.

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Seasonings (AREA)

Abstract

Il est possible de contrôler l'authenticité de billets de banque en utilisant un appareil examinant les propriétés du billet qui sont semblables dans différentes orientations spatiales. En particulier, toute la zone superficielle d'au moins un côté d'un billet de banque (1) peut être soumise à une analyse spectrale, utilisant une irradiation lumineuse réfléchie par le billet ou transmise à travers celui-ci. L'irradiation reçue peut être intégrée sur toute la zone superficielle avant d'être comparée, au moyen d'un système à base de microprocesseurs (6), aux modèles spectraux stockés correspondant aux différents types de billets de banque. On peut utiliser un algorithme capable d'admettre des déviations dues par exemple à une détérioration du billet de banque.
PCT/SE1983/000477 1983-12-27 1983-12-27 Appareil pour controler l'authenticite de billets de banque WO1985002928A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT84900408T ATE36766T1 (de) 1983-12-27 1983-12-27 Vorrichtung zur echtheitspruefung von banknoten.
EP84900408A EP0198819B1 (fr) 1983-12-27 1983-12-27 Appareil pour controler l'authenticite de billets de banque
PCT/SE1983/000477 WO1985002928A1 (fr) 1983-12-27 1983-12-27 Appareil pour controler l'authenticite de billets de banque
FI862714A FI85312C (fi) 1983-12-27 1986-06-25 Anordning foer granskning av sedlars autenticitet.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1983/000477 WO1985002928A1 (fr) 1983-12-27 1983-12-27 Appareil pour controler l'authenticite de billets de banque

Publications (1)

Publication Number Publication Date
WO1985002928A1 true WO1985002928A1 (fr) 1985-07-04

Family

ID=20349818

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1983/000477 WO1985002928A1 (fr) 1983-12-27 1983-12-27 Appareil pour controler l'authenticite de billets de banque

Country Status (4)

Country Link
EP (1) EP0198819B1 (fr)
AT (1) ATE36766T1 (fr)
FI (1) FI85312C (fr)
WO (1) WO1985002928A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0537513A1 (fr) * 1991-10-15 1993-04-21 URMET S.p.A. Costruzioni Elettro-Telefoniche Appareil de validation de billets de banque
EP0744716A2 (fr) * 1995-05-25 1996-11-27 Ncr International Inc. Méthode et appareil d'authentification de documents
ES2106672A1 (es) * 1994-12-23 1997-11-01 Azkoyen Ind Sa Metodo y aparato para la caracterizacion y discriminacion de billetes y documentos de curso legal.
FR2770011A1 (fr) * 1997-10-20 1999-04-23 Azzedine Bahou Detection de fausse monnaie avec unite centrale pour l'analyse spectometrique
WO1999045506A1 (fr) * 1998-03-02 1999-09-10 Bundesdruckerei Gmbh Systeme de verification pour objet de valeur et de securite
WO2001054076A1 (fr) * 2000-01-24 2001-07-26 De La Rue International Limited Procede de controle de documents
EP1128338A1 (fr) * 2000-02-17 2001-08-29 De La Rue International Limited Dispositif pour compter des documents
WO2005086099A1 (fr) * 2004-03-08 2005-09-15 Council Of Scientific & Industrial Research Detecteur ameliore de fausse monnaie mettant en oeuvre une reponse integree de transmission et spectrale reflechissante
WO2005086100A1 (fr) * 2004-03-09 2005-09-15 Council Of Scientific & Industrial Research Detecteur ameliore de faux billets comprenant une reponse spectrale reflective et visuelle
WO2011072862A1 (fr) * 2009-12-18 2011-06-23 Giesecke & Devrient Gmbh Capteur pour vérifier des documents de valeur
CN103021069A (zh) * 2012-11-21 2013-04-03 深圳市兆图电子有限公司 高速票据图像采集处理系统及其采集处理方法
CN109727362A (zh) * 2018-11-15 2019-05-07 恒银金融科技股份有限公司 基于离散傅里叶变换的钞票磁信号识别方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH689523A5 (de) * 1989-05-01 1999-05-31 Mars Inc Pruefeinrichtung fuer ein blattfoermiges Gut.
GB2309299B (en) 1996-01-16 2000-06-07 Mars Inc Sensing device
US6473165B1 (en) 2000-01-21 2002-10-29 Flex Products, Inc. Automated verification systems and methods for use with optical interference devices
US6970236B1 (en) 2002-08-19 2005-11-29 Jds Uniphase Corporation Methods and systems for verification of interference devices

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410384A (en) * 1965-08-03 1968-11-12 Jerry E. Travioli Paper currency acceptor
US3491243A (en) * 1966-08-26 1970-01-20 Taisuke Tsugami Authentication apparatus to measure color characteristics of paper documents
SE392177B (sv) * 1972-02-17 1977-03-14 Landis & Gyr Ag Anordning for jemforelse av denÿspektrala remissionen fran fergade ytor, serskilt for ekthetsprovning av sedlar och andra verdepapper
SE413208B (sv) * 1977-07-05 1980-04-28 Asea Ab Met- och/eller kontrollanordning for dokument
US4204765A (en) * 1977-12-07 1980-05-27 Ardac, Inc. Apparatus for testing colored securities
GB2038063A (en) * 1978-11-13 1980-07-16 Perkin Elmer Corp Bank note identification
CH626460A5 (fr) * 1978-12-01 1981-11-13 Radioelectrique Comp Ind
US4319137A (en) * 1978-05-23 1982-03-09 Tokyo Shibaura Denki Kabushiki Kaisha Apparatus for identifying sheet-like printed matters
EP0071421A2 (fr) * 1981-07-24 1983-02-09 Fujitsu Limited Appareil pour l'examen de billets de banque
EP0072237A2 (fr) * 1981-08-11 1983-02-16 De La Rue Systems Limited Appareil pour balayer un document
GB2122743A (en) * 1982-06-29 1984-01-18 Bergstroem Arne Apparatus for authenticating bank notes

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410384A (en) * 1965-08-03 1968-11-12 Jerry E. Travioli Paper currency acceptor
US3491243A (en) * 1966-08-26 1970-01-20 Taisuke Tsugami Authentication apparatus to measure color characteristics of paper documents
SE392177B (sv) * 1972-02-17 1977-03-14 Landis & Gyr Ag Anordning for jemforelse av denÿspektrala remissionen fran fergade ytor, serskilt for ekthetsprovning av sedlar och andra verdepapper
SE413208B (sv) * 1977-07-05 1980-04-28 Asea Ab Met- och/eller kontrollanordning for dokument
US4204765A (en) * 1977-12-07 1980-05-27 Ardac, Inc. Apparatus for testing colored securities
US4319137A (en) * 1978-05-23 1982-03-09 Tokyo Shibaura Denki Kabushiki Kaisha Apparatus for identifying sheet-like printed matters
GB2038063A (en) * 1978-11-13 1980-07-16 Perkin Elmer Corp Bank note identification
CH626460A5 (fr) * 1978-12-01 1981-11-13 Radioelectrique Comp Ind
EP0071421A2 (fr) * 1981-07-24 1983-02-09 Fujitsu Limited Appareil pour l'examen de billets de banque
EP0072237A2 (fr) * 1981-08-11 1983-02-16 De La Rue Systems Limited Appareil pour balayer un document
GB2122743A (en) * 1982-06-29 1984-01-18 Bergstroem Arne Apparatus for authenticating bank notes

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0537513A1 (fr) * 1991-10-15 1993-04-21 URMET S.p.A. Costruzioni Elettro-Telefoniche Appareil de validation de billets de banque
ES2106672A1 (es) * 1994-12-23 1997-11-01 Azkoyen Ind Sa Metodo y aparato para la caracterizacion y discriminacion de billetes y documentos de curso legal.
EP0744716A2 (fr) * 1995-05-25 1996-11-27 Ncr International Inc. Méthode et appareil d'authentification de documents
EP0744716A3 (fr) * 1995-05-25 1996-12-18 Ncr International Inc. Méthode et appareil d'authentification de documents
FR2770011A1 (fr) * 1997-10-20 1999-04-23 Azzedine Bahou Detection de fausse monnaie avec unite centrale pour l'analyse spectometrique
WO1999045506A1 (fr) * 1998-03-02 1999-09-10 Bundesdruckerei Gmbh Systeme de verification pour objet de valeur et de securite
US6970235B2 (en) 2000-01-24 2005-11-29 De La Rue International Limited Document monitoring method
WO2001054076A1 (fr) * 2000-01-24 2001-07-26 De La Rue International Limited Procede de controle de documents
EP1128338A1 (fr) * 2000-02-17 2001-08-29 De La Rue International Limited Dispositif pour compter des documents
WO2005086099A1 (fr) * 2004-03-08 2005-09-15 Council Of Scientific & Industrial Research Detecteur ameliore de fausse monnaie mettant en oeuvre une reponse integree de transmission et spectrale reflechissante
WO2005086100A1 (fr) * 2004-03-09 2005-09-15 Council Of Scientific & Industrial Research Detecteur ameliore de faux billets comprenant une reponse spectrale reflective et visuelle
KR101333278B1 (ko) 2004-03-09 2013-12-02 카운슬 오브 사이언티픽 앤드 인더스트리얼 리서치 시각적인 반사 스펙트럼 반응을 이용한 향상된 위조 화폐 검출기
WO2011072862A1 (fr) * 2009-12-18 2011-06-23 Giesecke & Devrient Gmbh Capteur pour vérifier des documents de valeur
US8749768B2 (en) 2009-12-18 2014-06-10 Giesecke & Devrient Gmbh Sensor for checking value documents
CN103021069A (zh) * 2012-11-21 2013-04-03 深圳市兆图电子有限公司 高速票据图像采集处理系统及其采集处理方法
CN103021069B (zh) * 2012-11-21 2015-02-18 深圳市兆图电子有限公司 高速票据图像采集处理系统及其采集处理方法
CN109727362A (zh) * 2018-11-15 2019-05-07 恒银金融科技股份有限公司 基于离散傅里叶变换的钞票磁信号识别方法

Also Published As

Publication number Publication date
EP0198819A1 (fr) 1986-10-29
FI862714A0 (fi) 1986-06-25
EP0198819B1 (fr) 1988-08-24
ATE36766T1 (de) 1988-09-15
FI862714A (fi) 1986-06-25
FI85312C (fi) 1992-03-25
FI85312B (fi) 1991-12-13

Similar Documents

Publication Publication Date Title
EP0198819B1 (fr) Appareil pour controler l'authenticite de billets de banque
KR101297702B1 (ko) 적분된 투과 및 반사 스펙트럼 응답을 이용한 개선된 위조 화폐 검출기
US4296326A (en) Watermark detection
GB2355522A (en) Improvements in verifying printed security substrates
EP1066602B1 (fr) Procedes et appareil permettant de surveiller des articles
EP0891608B1 (fr) Validation de documents de securite
US5915518A (en) Detection of counterfeit objects, for instance counterfeit banknotes
KR101333278B1 (ko) 시각적인 반사 스펙트럼 반응을 이용한 향상된 위조 화폐 검출기
US5918960A (en) Detection of counterfeit objects, for instance counterfeit banknotes
EP1857985A1 (fr) Détection de support d'impression et de revêtement
US7913832B2 (en) Method and apparatus for validating bank notes
KR100407460B1 (ko) 지엽류 식별 방법 및 장치
GB2361765A (en) Media validation by diffusely reflected light
US20030123049A1 (en) Methods and devices for testing the colour fastness of imprinted objects
EP0660277B1 (fr) Méthode et dispositif pour la caractérisation et la différenciation de billets de banque et documents légaux
GB2122743A (en) Apparatus for authenticating bank notes
WO2012094896A1 (fr) Procédé et dispositif d'identification de billets de banque ou d'autres billets financiers
EP0744716B1 (fr) Méthode et appareil d'authentification de documents
SE455547B (sv) Apparat for ekthetskontroll av sedlar
RU2225030C2 (ru) Способ и устройство для проверки подлинности маркировки
RU2115169C1 (ru) Способ определения подлинности банкноты
JPH0997364A (ja) 紙幣識別装置
AU737427B3 (en) High intelligence bank note reader with function of multi-spectral sensor auto note face searching and UV counterfeit detection

Legal Events

Date Code Title Description
AK Designated states

Designated state(s): DK FI JP NO US

AL Designated countries for regional patents

Designated state(s): AT BE CH DE FR GB LU NL SE

WWE Wipo information: entry into national phase

Ref document number: 1984900408

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 862714

Country of ref document: FI

WWP Wipo information: published in national office

Ref document number: 1984900408

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1984900408

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 862714

Country of ref document: FI