ES2190593T3 - Dispositivo para reconocer marcas opticas de difraccion. - Google Patents

Dispositivo para reconocer marcas opticas de difraccion.

Info

Publication number
ES2190593T3
ES2190593T3 ES98929414T ES98929414T ES2190593T3 ES 2190593 T3 ES2190593 T3 ES 2190593T3 ES 98929414 T ES98929414 T ES 98929414T ES 98929414 T ES98929414 T ES 98929414T ES 2190593 T3 ES2190593 T3 ES 2190593T3
Authority
ES
Spain
Prior art keywords
photodetectors
marks
optical
signals
security element
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
ES98929414T
Other languages
English (en)
Inventor
Rene Staub
Wayne Robert Tompkin
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.)
OVD Kinegram AG
Original Assignee
OVD Kinegram AG
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 OVD Kinegram AG filed Critical OVD Kinegram AG
Application granted granted Critical
Publication of ES2190593T3 publication Critical patent/ES2190593T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/1094—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices the record carrier being at least partially of the hologram type
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/16—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being a hologram or diffraction grating
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Credit Cards Or The Like (AREA)
  • Optical Transform (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Eye Examination Apparatus (AREA)
  • Holo Graphy (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

La invención se refiere a un dispositivo para el reconocimiento simultáneo , por máquina, de Q marcas ópticas de difracciones (11) diferentes de un elemento de seguridad (4), que comprende una fuente luminosa (1) que sirve para proyectar una luz paralela (10) sobre un documento (3) provisto de dicho elemento de seguridad (4), un elemento colector óptico (2), fotodetectores (5,6) que sirven para convertir la luz (15m 16) difractada eb las marcas (11) o bien la radiación reflejada en el sustrato (3) en señales eléctricas, así como una unidad de evaluación que sirve para evaluar las señales. Los fotodetectores (5, 6) están dispuestos en el plano focal (8'') del elemento colector óptico (2). Dos fotodetectores (5, 6) constituyen cada vez un par de fotodetectores. Las señales eléctricas de cada par de fotodetectores se analizan y los resultados obtenidos mediante señales de todos los pares de fotodetectores se comparan con valores de referencia, en la unidad de evaluación. Todas las marcas ópticas (11) son leídas simultáneamente y forman un código que sirve para la identificación del elemento de seguridad (4).
ES98929414T 1997-06-06 1998-06-03 Dispositivo para reconocer marcas opticas de difraccion. Expired - Lifetime ES2190593T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01367/97A CH693693A5 (de) 1997-06-06 1997-06-06 Vorrichtung zum Erkennen beugungsoptischer Markierungen.

Publications (1)

Publication Number Publication Date
ES2190593T3 true ES2190593T3 (es) 2003-08-01

Family

ID=4208768

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98929414T Expired - Lifetime ES2190593T3 (es) 1997-06-06 1998-06-03 Dispositivo para reconocer marcas opticas de difraccion.

Country Status (13)

Country Link
US (1) US6365907B1 (es)
EP (1) EP0986795B1 (es)
JP (1) JP4094068B2 (es)
KR (1) KR100403420B1 (es)
CN (1) CN1179300C (es)
AT (1) ATE230868T1 (es)
AU (1) AU738610B2 (es)
CA (1) CA2297890C (es)
CH (1) CH693693A5 (es)
DE (1) DE59806870D1 (es)
ES (1) ES2190593T3 (es)
RU (1) RU2208248C2 (es)
WO (1) WO1998055963A1 (es)

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DE10006663B4 (de) * 2000-02-15 2006-10-05 Metronom Ag Verfahren zur Vermessung von langwelligen Oberflächenstrukturen
DE10028239A1 (de) * 2000-06-07 2001-12-13 Bundesdruckerei Gmbh Vorrichtung zur Auswertung von Echtheitsmerkmalen mit Beugungsstruktur
GB0025096D0 (en) * 2000-10-13 2000-11-29 Bank Of England Detection of printing and coating media
DE50306308D1 (de) * 2002-04-04 2007-03-08 Landqart Vorrichtung zur verifikation von sicherheitsmerkmalen
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WO2005088380A1 (fr) * 2004-03-11 2005-09-22 Federalnoe Gosudarstvennoe Unitarnoe Predpriyatie 'osoboe Konstruktorskoe Byuro Vysokoenergetichestikh Laserov 'granat' Imeni V.K. Orlova' Dispositif pour detecter des objets optiques ou optoelectroniques
AU2005220385B2 (en) * 2004-03-12 2010-07-15 Ingenia Holdings Limited Authenticity verification methods, products and apparatuses
DE602005014755D1 (de) * 2004-03-12 2009-07-16 Ingenia Technology Ltd Verfahren und vorrichtungen zur erzeugung authentifizierbarer gegenstände und ihrer nachfolgenden überprüfung
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RU2417448C2 (ru) * 2005-07-27 2011-04-27 Инджениа Холдингс Лимитед Верификация аутентичности
EP1911003A1 (en) * 2005-07-27 2008-04-16 Ingenia Technology Limited Verification of the signature of an article created from signals obtained from scatter of coherent optical radiation from the surface of the article
GB2429950B (en) * 2005-09-08 2007-08-22 Ingenia Holdings Copying
CN101923647B (zh) 2005-12-23 2013-01-09 英根亚控股有限公司 光学鉴别
GB2434442A (en) * 2006-01-16 2007-07-25 Ingenia Holdings Verification of performance attributes of packaged integrated circuits
CN101449194B (zh) * 2006-06-20 2012-06-13 数据逻辑扫描公司 具有多个像场的成像扫描仪
GB0616495D0 (en) * 2006-08-18 2006-09-27 Rue De Int Ltd Method and apparatus for raised material detection
DE102006045626A1 (de) * 2006-09-27 2008-04-03 Giesecke & Devrient Gmbh Vorrichtung und Verfahren zur optischen Untersuchung von Wertdokumenten
GB2450131B (en) * 2007-06-13 2009-05-06 Ingenia Holdings Fuzzy Keys
US8608076B2 (en) * 2008-02-12 2013-12-17 Datalogic ADC, Inc. Monolithic mirror structure for use in a multi-perspective optical code reader
US8353457B2 (en) * 2008-02-12 2013-01-15 Datalogic ADC, Inc. Systems and methods for forming a composite image of multiple portions of an object from multiple perspectives
US8678287B2 (en) * 2008-02-12 2014-03-25 Datalogic ADC, Inc. Two-plane optical code reader for acquisition of multiple views of an object
CN101999128B (zh) 2008-02-12 2014-07-30 数据逻辑Adc公司 从多个方位形成物体的多个部分的合成图像的系统和方法
KR101020583B1 (ko) 2008-04-28 2011-03-09 주식회사 엠비젼 홀로그램 광학 검사 시스템
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DE102008064388A1 (de) * 2008-12-22 2010-06-24 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zum Prüfen von Wertdokumenten
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IT1400414B1 (it) * 2010-05-12 2013-05-31 Zecca Dello Ist Poligrafico Dispositivo di lettura di supporti dati ottici
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JP2015104832A (ja) * 2013-11-29 2015-06-08 株式会社小森コーポレーション シート状物の検査装置
EA028631B1 (ru) * 2014-11-17 2017-12-29 Общество С Ограниченной Ответственностью "Центр Компьютерной Голографии" Способ автоматизированного контроля подлинности оптических защитных меток на банкнотных нитях и устройство для его осуществления
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Also Published As

Publication number Publication date
DE59806870D1 (de) 2003-02-13
HK1027651A1 (en) 2001-01-19
JP2002503368A (ja) 2002-01-29
AU7918098A (en) 1998-12-21
CA2297890A1 (en) 1998-12-10
CN1264481A (zh) 2000-08-23
EP0986795A1 (de) 2000-03-22
JP4094068B2 (ja) 2008-06-04
WO1998055963A1 (de) 1998-12-10
EP0986795B1 (de) 2003-01-08
US6365907B1 (en) 2002-04-02
KR100403420B1 (ko) 2003-10-30
CA2297890C (en) 2004-06-01
RU2208248C2 (ru) 2003-07-10
CN1179300C (zh) 2004-12-08
KR20010013505A (ko) 2001-02-26
ATE230868T1 (de) 2003-01-15
AU738610B2 (en) 2001-09-20
CH693693A5 (de) 2003-12-15

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