BE868281A - Procede et appareil pour l'identification de documents - Google Patents

Procede et appareil pour l'identification de documents

Info

Publication number
BE868281A
BE868281A BE188701A BE188701A BE868281A BE 868281 A BE868281 A BE 868281A BE 188701 A BE188701 A BE 188701A BE 188701 A BE188701 A BE 188701A BE 868281 A BE868281 A BE 868281A
Authority
BE
Belgium
Prior art keywords
identifying documents
documents
identifying
Prior art date
Application number
BE188701A
Other languages
English (en)
French (fr)
Original Assignee
Landis & Gyr 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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Publication of BE868281A publication Critical patent/BE868281A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K5/00—Methods or arrangements for verifying the correctness of markings on a record carrier; Column detection devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S283/00—Printed matter
    • Y10S283/904—Credit card

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Holo Graphy (AREA)
  • Credit Cards Or The Like (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Character Input (AREA)
BE188701A 1977-06-21 1978-06-20 Procede et appareil pour l'identification de documents BE868281A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH755777A CH616253A5 (pt) 1977-06-21 1977-06-21

Publications (1)

Publication Number Publication Date
BE868281A true BE868281A (fr) 1978-10-16

Family

ID=4327020

Family Applications (1)

Application Number Title Priority Date Filing Date
BE188701A BE868281A (fr) 1977-06-21 1978-06-20 Procede et appareil pour l'identification de documents

Country Status (11)

Country Link
US (1) US4211918A (pt)
JP (1) JPS548435A (pt)
AT (1) AT385143B (pt)
BE (1) BE868281A (pt)
CH (1) CH616253A5 (pt)
DE (1) DE2731726C2 (pt)
ES (1) ES470930A1 (pt)
FR (1) FR2395550A1 (pt)
GB (1) GB1596128A (pt)
IT (1) IT1096012B (pt)
SE (1) SE436454B (pt)

Families Citing this family (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH638632A5 (de) * 1979-01-31 1983-09-30 Landis & Gyr Ag Verfahren und einrichtung zur kennzeichnung und zur nachtraeglichen erkennung von dokumenten.
DE3166630D1 (en) * 1981-02-03 1984-11-15 Landis & Gyr Ag Method for preventing the sucessful forgery of documents and device therefor
US4433437A (en) * 1981-05-12 1984-02-21 Polaroid Corporation Method and apparatus for verifying security labels
CH653160A5 (de) * 1981-09-10 1985-12-13 Landis & Gyr Ag Wertdokument mit maschinenlesbaren optischen echtheitsmarkierungen.
CH653782A5 (de) * 1981-10-15 1986-01-15 Landis & Gyr Ag Kinoform.
CH653161A5 (de) * 1981-10-27 1985-12-13 Landis & Gyr Ag Dokument mit einem sicherheitsmerkmal und verfahren zur echtheitspruefung des dokumentes.
US4641017A (en) * 1983-12-15 1987-02-03 Herman Lopata Fraud resistant credit card system
US6454167B1 (en) * 1985-02-28 2002-09-24 Symbol Technologies, Inc. Laser focusing aperture and method
CN85100700A (zh) * 1985-04-01 1987-01-31 陆伯祥 计算机莫尔条纹证件及其识别系统
CH669275A5 (de) * 1985-08-21 1989-02-28 Landis & Gyr Ag Verfahren und einrichtung zum auswerten und loeschen von wertmarkierungen auf wertdokumenten.
US4788116A (en) * 1986-03-31 1988-11-29 Xerox Corporation Full color images using multiple diffraction gratings and masking techniques
US4737448A (en) * 1986-03-31 1988-04-12 Xerox Corporation Color images formed by multiple diffraction gratings
JPS6345812U (pt) * 1986-09-06 1988-03-28
US4932685A (en) * 1987-01-13 1990-06-12 Mancuso Robert J Variable color print and method of making same
US4968064A (en) * 1987-01-13 1990-11-06 Mancuso Robert J Variable color print
US4924078A (en) * 1987-11-25 1990-05-08 Sant Anselmo Carl Identification symbol, system and method
US4849624A (en) * 1988-06-24 1989-07-18 The Boeing Company Optical wavelength division multiplexing of digital encoder tracks
ATE98795T1 (de) * 1988-09-30 1994-01-15 Landis & Gyr Business Support Beugungselement.
ATE125967T1 (de) * 1988-09-30 1995-08-15 Landis & Gry Tech Innovat Ag Strichkodefeld und strichkodeleser.
US5098661A (en) * 1988-11-16 1992-03-24 Medical Laboratory Automation, Inc. Coded cuvette for use in testing apparatus
JPH02166577A (ja) * 1988-12-21 1990-06-27 Hitachi Ltd 自動取引処理装置
US5046841A (en) * 1989-01-19 1991-09-10 Idx, Inc. Token having a predetermined optical characteristic, and a token validation device for use therewith
US5442433A (en) * 1989-08-11 1995-08-15 Nhk Spring Co., Ltd. Identification system for an article having individually attached patches
US5200794A (en) * 1989-08-11 1993-04-06 Nhk Spring Co., Ltd. Optical head for an optical authenticity identifing system
US5291006A (en) * 1989-08-11 1994-03-01 Nhk Spring Co., Ltd. Authenticity identifying system for information storage cards
DE3932505C2 (de) * 1989-09-28 2001-03-15 Gao Ges Automation Org Datenträger mit einem optisch variablen Element
JPH041886A (ja) * 1990-04-19 1992-01-07 Csk Corp 磁気カードのパンチ孔検出システム
US5149948A (en) * 1990-07-16 1992-09-22 Computer Identics Improved bar code reader system for reading bar codes under high specular reflection conditions with a variety of surface effects
US5128528A (en) * 1990-10-15 1992-07-07 Dittler Brothers, Inc. Matrix encoding devices and methods
US5110134A (en) * 1991-03-01 1992-05-05 No Peek 21 Card mark sensor and methods for blackjack
US5219172A (en) * 1991-03-01 1993-06-15 No Peek 21 Playing card marks and card mark sensor for blackjack
US5224712A (en) * 1991-03-01 1993-07-06 No Peek 21 Card mark sensor and methods for blackjack
DE4131964A1 (de) * 1991-09-25 1993-04-08 Holtronic Gmbh Verfahren zur beschriftung oder kennzeichnung von hologrammen
WO1993012506A1 (en) * 1991-12-19 1993-06-24 Control Module Inc. Secure optomagnetic identification
JPH07111726B2 (ja) * 1991-12-26 1995-11-29 日本発条株式会社 対象物の識別構造及び識別体
DE4200746A1 (de) * 1992-01-14 1993-07-15 Inform Vertriebsgesellschaft F Maschinenlesbarer ausweis und lesegeraet hierfuer
US5432329A (en) * 1992-02-07 1995-07-11 American Bank Note Holographics Automated holographic optical recognition and decoding system for verification
JP2520346B2 (ja) * 1992-04-28 1996-07-31 日本発条株式会社 対象物の識別構造
US6219015B1 (en) * 1992-04-28 2001-04-17 The Board Of Directors Of The Leland Stanford, Junior University Method and apparatus for using an array of grating light valves to produce multicolor optical images
JPH07210071A (ja) * 1994-01-25 1995-08-11 Nhk Spring Co Ltd 対象物の識別システム
US5593017A (en) * 1994-03-18 1997-01-14 Environmental Products Corporation Method and apparatus for identifying information contained in surface deviations
US6280891B2 (en) 1994-05-04 2001-08-28 Hologram Industries S.A. Multi-layer assembly and method for marking articles and resulting marked articles
FR2719687B1 (fr) * 1994-05-04 1996-09-06 Hologram Ind Sarl Procédé de marquage de produits ou de documents, produit ainsi marqué et moyens pour la mise en Óoeuvre du procédé et un dispositif de vérification d'un tel produit ou document.
US5754520A (en) * 1994-12-22 1998-05-19 Landis & Gyr Technology Innovation Ag Optical data carriers and reading devices therefor
US5841579A (en) * 1995-06-07 1998-11-24 Silicon Light Machines Flat diffraction grating light valve
US5798743A (en) * 1995-06-07 1998-08-25 Silicon Light Machines Clear-behind matrix addressing for display systems
US5661592A (en) * 1995-06-07 1997-08-26 Silicon Light Machines Method of making and an apparatus for a flat diffraction grating light valve
US5629801A (en) * 1995-06-07 1997-05-13 Silicon Light Machines Diffraction grating light doubling collection system
US6064404A (en) * 1996-11-05 2000-05-16 Silicon Light Machines Bandwidth and frame buffer size reduction in a digital pulse-width-modulated display system
US6573983B1 (en) 1996-11-15 2003-06-03 Diebold, Incorporated Apparatus and method for processing bank notes and other documents in an automated banking machine
US7513417B2 (en) 1996-11-15 2009-04-07 Diebold, Incorporated Automated banking machine
US7559460B2 (en) 1996-11-15 2009-07-14 Diebold Incorporated Automated banking machine
US5923413A (en) * 1996-11-15 1999-07-13 Interbold Universal bank note denominator and validator
US7584883B2 (en) 1996-11-15 2009-09-08 Diebold, Incorporated Check cashing automated banking machine
DE19706315A1 (de) 1997-02-18 1998-08-20 Zahoransky Anton Gmbh & Co Bürstenherstellungsmaschine
US5982553A (en) * 1997-03-20 1999-11-09 Silicon Light Machines Display device incorporating one-dimensional grating light-valve array
DE19702475A1 (de) * 1997-04-22 1998-10-29 Heinrich Grafenhorst Einrichtung zum Identifizieren von Informationsträgern
US7129709B2 (en) * 1997-04-25 2006-10-31 Whd Electronische Prueftechnik Method of testing documents provided with optico-diffractively effective markings
US5825475A (en) * 1997-07-29 1998-10-20 Van Leer Metallized Products (Usa) Limited System and method for determining which of a plurality of visually indistinguishable objects have been marked with a covert indicator
US6088102A (en) * 1997-10-31 2000-07-11 Silicon Light Machines Display apparatus including grating light-valve array and interferometric optical system
US6271808B1 (en) 1998-06-05 2001-08-07 Silicon Light Machines Stereo head mounted display using a single display device
US6130770A (en) * 1998-06-23 2000-10-10 Silicon Light Machines Electron gun activated grating light valve
US6101036A (en) * 1998-06-23 2000-08-08 Silicon Light Machines Embossed diffraction grating alone and in combination with changeable image display
US6215579B1 (en) 1998-06-24 2001-04-10 Silicon Light Machines Method and apparatus for modulating an incident light beam for forming a two-dimensional image
US6872984B1 (en) 1998-07-29 2005-03-29 Silicon Light Machines Corporation Method of sealing a hermetic lid to a semiconductor die at an angle
US6303986B1 (en) * 1998-07-29 2001-10-16 Silicon Light Machines Method of and apparatus for sealing an hermetic lid to a semiconductor die
JP3367434B2 (ja) * 1998-11-06 2003-01-14 日本ビクター株式会社 光記録媒体及び偽造品検出装置
DE19924750C2 (de) * 1999-04-08 2002-11-14 Ovd Kinegram Ag Zug Leseanordnung für Informationsstreifen mit optisch kodierter Information
EP1183645A1 (en) 1999-06-01 2002-03-06 De La Rue International Limited Security device
US20020184152A1 (en) * 1999-06-30 2002-12-05 Martin David A. Method and device for preventing check fraud
US7266527B1 (en) 1999-06-30 2007-09-04 Martin David A Method and device for preventing check fraud
US6956878B1 (en) 2000-02-07 2005-10-18 Silicon Light Machines Corporation Method and apparatus for reducing laser speckle using polarization averaging
US6387723B1 (en) * 2001-01-19 2002-05-14 Silicon Light Machines Reduced surface charging in silicon-based devices
US7177081B2 (en) * 2001-03-08 2007-02-13 Silicon Light Machines Corporation High contrast grating light valve type device
US20030208753A1 (en) * 2001-04-10 2003-11-06 Silicon Light Machines Method, system, and display apparatus for encrypted cinema
US6707591B2 (en) * 2001-04-10 2004-03-16 Silicon Light Machines Angled illumination for a single order light modulator based projection system
US6865346B1 (en) 2001-06-05 2005-03-08 Silicon Light Machines Corporation Fiber optic transceiver
US6782205B2 (en) * 2001-06-25 2004-08-24 Silicon Light Machines Method and apparatus for dynamic equalization in wavelength division multiplexing
US6747781B2 (en) * 2001-06-25 2004-06-08 Silicon Light Machines, Inc. Method, apparatus, and diffuser for reducing laser speckle
US6646778B2 (en) * 2001-08-01 2003-11-11 Silicon Light Machines Grating light valve with encapsulated dampening gas
US6829092B2 (en) 2001-08-15 2004-12-07 Silicon Light Machines, Inc. Blazed grating light valve
US6639722B2 (en) * 2001-08-15 2003-10-28 Silicon Light Machines Stress tuned blazed grating light valve
US6930364B2 (en) 2001-09-13 2005-08-16 Silicon Light Machines Corporation Microelectronic mechanical system and methods
US6956995B1 (en) 2001-11-09 2005-10-18 Silicon Light Machines Corporation Optical communication arrangement
US6692129B2 (en) * 2001-11-30 2004-02-17 Silicon Light Machines Display apparatus including RGB color combiner and 1D light valve relay including schlieren filter
US6800238B1 (en) 2002-01-15 2004-10-05 Silicon Light Machines, Inc. Method for domain patterning in low coercive field ferroelectrics
US6728023B1 (en) 2002-05-28 2004-04-27 Silicon Light Machines Optical device arrays with optimized image resolution
US6767751B2 (en) 2002-05-28 2004-07-27 Silicon Light Machines, Inc. Integrated driver process flow
US6839479B2 (en) * 2002-05-29 2005-01-04 Silicon Light Machines Corporation Optical switch
US7054515B1 (en) 2002-05-30 2006-05-30 Silicon Light Machines Corporation Diffractive light modulator-based dynamic equalizer with integrated spectral monitor
US6822797B1 (en) 2002-05-31 2004-11-23 Silicon Light Machines, Inc. Light modulator structure for producing high-contrast operation using zero-order light
US6829258B1 (en) 2002-06-26 2004-12-07 Silicon Light Machines, Inc. Rapidly tunable external cavity laser
US6813059B2 (en) * 2002-06-28 2004-11-02 Silicon Light Machines, Inc. Reduced formation of asperities in contact micro-structures
US6714337B1 (en) 2002-06-28 2004-03-30 Silicon Light Machines Method and device for modulating a light beam and having an improved gamma response
US6908201B2 (en) * 2002-06-28 2005-06-21 Silicon Light Machines Corporation Micro-support structures
US6801354B1 (en) 2002-08-20 2004-10-05 Silicon Light Machines, Inc. 2-D diffraction grating for substantially eliminating polarization dependent losses
US7057795B2 (en) 2002-08-20 2006-06-06 Silicon Light Machines Corporation Micro-structures with individually addressable ribbon pairs
US6712480B1 (en) 2002-09-27 2004-03-30 Silicon Light Machines Controlled curvature of stressed micro-structures
US6928207B1 (en) 2002-12-12 2005-08-09 Silicon Light Machines Corporation Apparatus for selectively blocking WDM channels
US7057819B1 (en) 2002-12-17 2006-06-06 Silicon Light Machines Corporation High contrast tilting ribbon blazed grating
US6987600B1 (en) 2002-12-17 2006-01-17 Silicon Light Machines Corporation Arbitrary phase profile for better equalization in dynamic gain equalizer
US6934070B1 (en) 2002-12-18 2005-08-23 Silicon Light Machines Corporation Chirped optical MEM device
US6927891B1 (en) 2002-12-23 2005-08-09 Silicon Light Machines Corporation Tilt-able grating plane for improved crosstalk in 1×N blaze switches
US7068372B1 (en) 2003-01-28 2006-06-27 Silicon Light Machines Corporation MEMS interferometer-based reconfigurable optical add-and-drop multiplexor
US7286764B1 (en) 2003-02-03 2007-10-23 Silicon Light Machines Corporation Reconfigurable modulator-based optical add-and-drop multiplexer
US6947613B1 (en) 2003-02-11 2005-09-20 Silicon Light Machines Corporation Wavelength selective switch and equalizer
US6922272B1 (en) 2003-02-14 2005-07-26 Silicon Light Machines Corporation Method and apparatus for leveling thermal stress variations in multi-layer MEMS devices
US7391973B1 (en) 2003-02-28 2008-06-24 Silicon Light Machines Corporation Two-stage gain equalizer
US6922273B1 (en) 2003-02-28 2005-07-26 Silicon Light Machines Corporation PDL mitigation structure for diffractive MEMS and gratings
US6806997B1 (en) 2003-02-28 2004-10-19 Silicon Light Machines, Inc. Patterned diffractive light modulator ribbon for PDL reduction
US7027202B1 (en) 2003-02-28 2006-04-11 Silicon Light Machines Corp Silicon substrate as a light modulator sacrificial layer
US7042611B1 (en) 2003-03-03 2006-05-09 Silicon Light Machines Corporation Pre-deflected bias ribbons
WO2005066902A1 (en) * 2004-01-09 2005-07-21 Securency Pty Limited Method and apparatus for inspection of security articles
US20070194239A1 (en) * 2006-01-31 2007-08-23 Mcallister Abraham Apparatus and method providing a hand-held spectrometer
EP2104930A2 (en) 2006-12-12 2009-09-30 Evans & Sutherland Computer Corporation System and method for aligning rgb light in a single modulator projector
US20080259988A1 (en) * 2007-01-19 2008-10-23 Evans & Sutherland Computer Corporation Optical actuator with improved response time and method of making the same
US20090002644A1 (en) * 2007-05-21 2009-01-01 Evans & Sutherland Computer Corporation Invisible scanning safety system
WO2009033122A1 (en) * 2007-09-07 2009-03-12 Evans & Sutherland Computer Corporation Device and method for reducing etendue in a diode laser
US8358317B2 (en) 2008-05-23 2013-01-22 Evans & Sutherland Computer Corporation System and method for displaying a planar image on a curved surface
US8702248B1 (en) 2008-06-11 2014-04-22 Evans & Sutherland Computer Corporation Projection method for reducing interpixel gaps on a viewing surface
US8077378B1 (en) 2008-11-12 2011-12-13 Evans & Sutherland Computer Corporation Calibration system and method for light modulation device
US9641826B1 (en) 2011-10-06 2017-05-02 Evans & Sutherland Computer Corporation System and method for displaying distant 3-D stereo on a dome surface

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL90304C (pt) * 1950-07-18
US3643216A (en) * 1968-08-06 1972-02-15 Rca Corp Holographic identification system
US3919447A (en) * 1971-12-28 1975-11-11 Ibm Spectral differential coded card
US3814904A (en) * 1972-10-20 1974-06-04 Rca Corp Cryptographically coded cards employing synthetic light modifying portion
DE2307207A1 (de) * 1973-02-14 1974-08-29 Allg Elek Citaets Ges Aeg Tele Verfahren und geraet zur behandlung von gedruckte oder sonstigen informationen aufweisender etiketten
US3873813A (en) * 1973-05-18 1975-03-25 Xerox Corp Credit card
US4011435A (en) * 1974-02-01 1977-03-08 Ncr Corporation Optical indicia marking and detection system
CH574144A5 (pt) * 1974-07-19 1976-03-31 Landis & Gyr Ag
FR2288370A1 (fr) * 1974-10-18 1976-05-14 Thomson Brandt Perfectionnements aux supports d'information a lecture optique
NL7515010A (nl) * 1975-01-16 1976-07-20 Siemens Ag Tegen namaak beveiligde legitimatiekaart.
US4034211A (en) * 1975-06-20 1977-07-05 Ncr Corporation System and method for providing a security check on a credit card
CH589897A5 (pt) * 1975-08-14 1977-07-29 Landis & Gyr Ag
US4023010A (en) * 1975-09-08 1977-05-10 Ncr Corporation Optical identification system and reader for reading optical gratings on a record medium
CH594935A5 (pt) * 1975-12-23 1978-01-31 Landis & Gyr Ag

Also Published As

Publication number Publication date
SE7807061L (sv) 1978-12-22
ES470930A1 (es) 1979-02-01
FR2395550A1 (fr) 1979-01-19
FR2395550B1 (pt) 1983-07-08
JPS6134191B2 (pt) 1986-08-06
DE2731726B1 (de) 1978-12-21
IT1096012B (it) 1985-08-17
ATA414278A (de) 1987-07-15
IT7824733A0 (it) 1978-06-20
CH616253A5 (pt) 1980-03-14
DE2731726C2 (de) 1979-08-30
US4211918A (en) 1980-07-08
GB1596128A (en) 1981-08-19
SE436454B (sv) 1984-12-10
AT385143B (de) 1988-02-25
JPS548435A (en) 1979-01-22

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: LGZ LANDIS & GYR ZUG A.G.

Effective date: 19900630