ES2055793T3 - Metodo para discriminar la autenticidad de un billete y un aparato para ello. - Google Patents

Metodo para discriminar la autenticidad de un billete y un aparato para ello.

Info

Publication number
ES2055793T3
ES2055793T3 ES89310438T ES89310438T ES2055793T3 ES 2055793 T3 ES2055793 T3 ES 2055793T3 ES 89310438 T ES89310438 T ES 89310438T ES 89310438 T ES89310438 T ES 89310438T ES 2055793 T3 ES2055793 T3 ES 2055793T3
Authority
ES
Spain
Prior art keywords
photodiodes
bill
light
voltage
filter
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
ES89310438T
Other languages
English (en)
Inventor
Yoshihara Kenzou
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.)
Nippon Conlux Co Ltd
Original Assignee
Nippon Conlux Co Ltd
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 Nippon Conlux Co Ltd filed Critical Nippon Conlux Co Ltd
Application granted granted Critical
Publication of ES2055793T3 publication Critical patent/ES2055793T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting 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
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity
    • G01N21/57—Measuring gloss

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

UN DISPOSITIVO Y UN METODO PARA DISCRIMINAR LA AUTENTICIDAD DE UNA FACTURA (1) INTRODUCIDA EN UNA MAQUINA EXPENDEDORA AUTOMATICA, ETC. SOBRE LA BASE DE UN NIVEL DE BRILLO DE UNA SUPERFICIE DE LA FACTURA, COMPRENDE DOS FOTODIODOS (3A, 3B) PARA LA RECEPCION DE LUZ IRRADIADA DESDE UN DIODO EMISOR DE LUZ (2) Y REFLEJADA POR LA FACTURA, Y UN FILTRO POLAROIDE (4) DISPUESTO FRENTE A UNO DE LOS FOTODIODOS. UN AMPLIFICADOR DIFERENCIAL (6) O UN DIVISOR (B) SE SUMINISTRA CON CORRIENTES DE SALIDA DESDE LOS FOTODIODOS, REPRESENTANDO RESPECTIVAMENTE UN CANTIDAD DE LA LUZ REFLEJADA QUE SE RECIBE NO A TRAVES DEL FILTRO POLAROIDE Y QUE CONTIENE UN ELEMENTO POLARIZADO QUE SE PRODUCE CUANDO SE REFLEJA LA LUZ EN LA SUPERFICIE DE LA FACTURA, Y CANTIDAD DE LA LUZ REFLEJADA SE RECIBE A TRAVES DEL FILTRO Y NO INCLUYE NINGUN ELEMENTO POLARIZADO, Y GENERA UNA TENSION DE SALIDA QUE INDICA LA DIFERENCIA ENTRE O LA PROPORCION DE LAS CORRIENTES DE SALIDA, CUYA TENSION SE COMPARA CON UNA TENSION DE REFERENCIA CORRESPONDIENTE EN UN COMPARADOR (7) CUYA SALIDA ASUME UN NIVEL ELEVADO PARA UNA FACTURA FALSIFICADA BRILLANTE OBTENIDA MEDIANTE COPIA A COLOR DE LA FACTURA AUTENTICA, MEDIANTE LO CUAL LA AUTENTICIDAD DE LA FACTURA SE DISCRIMINA CORRECTAMENTE.
ES89310438T 1988-10-28 1989-10-12 Metodo para discriminar la autenticidad de un billete y un aparato para ello. Expired - Lifetime ES2055793T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63270977A JPH07113985B2 (ja) 1988-10-28 1988-10-28 紙幣識別方法

Publications (1)

Publication Number Publication Date
ES2055793T3 true ES2055793T3 (es) 1994-09-01

Family

ID=17493672

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89310438T Expired - Lifetime ES2055793T3 (es) 1988-10-28 1989-10-12 Metodo para discriminar la autenticidad de un billete y un aparato para ello.

Country Status (8)

Country Link
US (1) US4990790A (es)
EP (1) EP0366306B1 (es)
JP (1) JPH07113985B2 (es)
KR (1) KR0138116B1 (es)
AU (1) AU614424B2 (es)
CA (1) CA1307036C (es)
DE (1) DE68914776T2 (es)
ES (1) ES2055793T3 (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0579675U (ja) * 1992-03-24 1993-10-29 グローリー工業株式会社 紙葉類識別装置
US5430664A (en) * 1992-07-14 1995-07-04 Technitrol, Inc. Document counting and batching apparatus with counterfeit detection
WO1994016412A1 (en) * 1993-01-09 1994-07-21 Mars, Incorporated Detection of counterfeit objects
CA2179994A1 (en) * 1994-01-04 1995-07-13 John Geoffrey Hopwood Detection of counterfeits objects, for instance counterfeits banknotes
US5918960A (en) * 1994-01-04 1999-07-06 Mars Incorporated Detection of counterfeit objects, for instance counterfeit banknotes
DE19605434A1 (de) * 1996-02-14 1997-08-21 Giesecke & Devrient Gmbh Vorrichtung zur Detektion von remittiertem Licht
JPH1074276A (ja) * 1996-06-28 1998-03-17 Laurel Bank Mach Co Ltd 紙幣または有価証券の判別装置
US6006668A (en) * 1998-04-20 1999-12-28 Hewlett-Packard Company Glossy or matte-finish media detector and method for use in a printing device
JP2000011230A (ja) * 1998-06-18 2000-01-14 Omron Corp 紙葉類判別装置
JP4336008B2 (ja) * 1998-11-17 2009-09-30 日本発條株式会社 対象物の識別構造及び識別方法
KR19990073025A (ko) * 1999-04-20 1999-09-27 이희동 위폐감식회로
KR19990073026A (ko) * 1999-04-20 1999-09-27 이희동 위폐감식장치
US20050211914A1 (en) * 2002-04-04 2005-09-29 Landqart Device for verifying security features
AU2003209915B8 (en) * 2002-04-04 2008-09-18 Landqart Device for checking security elements
AU2003205497C1 (en) * 2002-07-19 2009-05-21 Landqart Security feature for value documents
US9917582B2 (en) * 2015-10-30 2018-03-13 Avago Technologies General Ip (Singapore) Pte. Ltd. Polarizer structure to control crosstalk in proximity sensor including a cover physically separates a photodetector from an object
JP2018144989A (ja) * 2017-03-08 2018-09-20 グローリー株式会社 紙葉類処理装置
CN117686438B (zh) * 2024-02-02 2024-05-10 东北大学秦皇岛分校 一种基于红外偏振光的远程材料鉴别方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497304A (en) * 1966-01-10 1970-02-24 Arcs Ind Inc Document color analyzing apparatus including two detectors
US3496370A (en) * 1966-05-16 1970-02-17 Advance Data Systems Corp Bill validation device with transmission and color tests
CH484479A (de) * 1969-06-12 1970-01-15 Landis & Gyr Ag Vorrichtung zur optischen Echtheitsprüfung von Banknoten und anderen Wertzeichen
CH622896A5 (es) * 1978-03-20 1981-04-30 Landis & Gyr Ag
US4526466A (en) * 1983-09-01 1985-07-02 Rca Corporation Technique for verifying genuineness of authenticating device
JPS6352284A (ja) * 1986-08-21 1988-03-05 日本電気株式会社 紙幣選別装置

Also Published As

Publication number Publication date
US4990790A (en) 1991-02-05
DE68914776D1 (de) 1994-05-26
JPH02118792A (ja) 1990-05-07
EP0366306A3 (en) 1990-10-24
AU4163089A (en) 1990-05-03
KR0138116B1 (ko) 1998-06-15
JPH07113985B2 (ja) 1995-12-06
DE68914776T2 (de) 1994-10-06
CA1307036C (en) 1992-09-01
AU614424B2 (en) 1991-08-29
KR900006892A (ko) 1990-05-09
EP0366306B1 (en) 1994-04-20
EP0366306A2 (en) 1990-05-02

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