WO1999009527A1 - Aufbau beugungsoptisch wirksamer sicherheitselemente und vorrichtung zur prüfung derartiger elemente - Google Patents

Aufbau beugungsoptisch wirksamer sicherheitselemente und vorrichtung zur prüfung derartiger elemente Download PDF

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Publication number
WO1999009527A1
WO1999009527A1 PCT/DE1998/001178 DE9801178W WO9909527A1 WO 1999009527 A1 WO1999009527 A1 WO 1999009527A1 DE 9801178 W DE9801178 W DE 9801178W WO 9909527 A1 WO9909527 A1 WO 9909527A1
Authority
WO
WIPO (PCT)
Prior art keywords
document
structure according
zones
electrodes
scanner
Prior art date
Application number
PCT/DE1998/001178
Other languages
German (de)
English (en)
French (fr)
Inventor
Frank Puttkammer
Torsten Wolf
Original Assignee
WHD elektronische Prüftechnik GmbH
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=7838710&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1999009527(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to EP98932022A priority Critical patent/EP1004097B1/de
Priority to AT98932022T priority patent/ATE212143T1/de
Priority to SK178-2000A priority patent/SK1782000A3/sk
Priority to DK98932022T priority patent/DK1004097T3/da
Priority to DE59802653T priority patent/DE59802653D1/de
Priority to CA002300961A priority patent/CA2300961A1/en
Priority to PL98338473A priority patent/PL187652B1/pl
Application filed by WHD elektronische Prüftechnik GmbH filed Critical WHD elektronische Prüftechnik GmbH
Priority to BR9811153-1A priority patent/BR9811153A/pt
Priority to AU82081/98A priority patent/AU8208198A/en
Priority to KR1020007001378A priority patent/KR20010022778A/ko
Priority to UA2000020752A priority patent/UA50838C2/uk
Priority to JP2000510116A priority patent/JP2003517646A/ja
Publication of WO1999009527A1 publication Critical patent/WO1999009527A1/de
Priority to BG104143A priority patent/BG64293B1/bg
Priority to NO20000615A priority patent/NO20000615L/no

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
    • G07D7/02—Testing electrical properties of the materials thereof
    • G07D7/026—Testing electrical properties of the materials thereof using capacitive sensors
    • 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
    • G07D7/003—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 security elements
    • G07D7/0032—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 security elements using holograms

Definitions

  • the invention relates to the construction of diffractive optical security elements
  • test object can be positioned very precisely.
  • the entire test process takes so long that these test methods are not used in high-speed processing machines.
  • EP 0 042 946 describes a device for
  • the object of the invention is to eliminate the disadvantages of the prior art and a
  • the device is said to be used both in document processing machines and in manual testing devices
  • a quick testability provides a further security level at
  • Diffractive optically effective elements consist among other things of a metallized layer.
  • This metallization layer is electrically conductive. According to the layer thickness changes
  • the diffractive optically active element has according to the invention
  • a discontinuous metallization layer contains segments
  • the device has a capacitive scanner.
  • This scanner consists of
  • the scanner is in one
  • test device Activate the test device according to the invention.
  • a sensor carrier is preferably used for measurement errors. This sensor carrier takes them all
  • Transmitting electrodes with electrical energy are delayed by means of control electronics
  • control electronics contains as
  • the main components in addition to the power supply are a multiplexer and an oscillator
  • the signal pattern depends on the
  • diffractive elements have a discontinuous metallization layer, so
  • Reference signal images provide a classifying signal for further processing.
  • Evaluation electronics carries.
  • test facility located within document processing machines,
  • the transmitting and receiving electrodes is pressed.
  • the received signals are by means of
  • Copiers, optical image scanners or fax machines are similar.
  • Fig. 1 shows a schematic representation of a document with OVD
  • Fig. 2 shows a schematic representation of a document with OVD
  • Fig. 3 shows a schematic representation of a document with OVD
  • Fig. 4 shows a schematic representation of a document with OVD
  • Fig. 5 shows a schematic representation of a document with OVD
  • Fig. 7 schematic representation of the scanner with a variety of transmit and
  • Fig. 8 is a schematic representation of the scanner with a transmit and a
  • FIG. 9 schematic representation of the scanner with a variety of transmit and
  • Fig. 10 schematic representation of the scanner and one to be tested
  • FIG. 11 shows a schematic section through an OVD with demetalized segments
  • FIGS. 1 to 5 each show documents
  • FIG. 1 shows the schematic structure of an OVD 1 with a metallization layer 2
  • the metallization layer 2 has a demetallized zone 3.
  • the metallization layer 2 has a demetallized zone 3. In top view
  • the demetallized zone 3 has the shape of a meander.
  • Zone 3 in the form of a meander is larger than the smallest distance between two electrodes.
  • the capacitive scanner consists of a large number of adjacent ones
  • Fig. 2 shows the schematic structure of an OVD, in which alternately metallized
  • zones 7, 8 which are strip-shaped in plan view run parallel or
  • the distance between two zones of the same electrical conductivity is between 0.2 and
  • Document transport direction are alternately metallized strip-shaped zones 7 and
  • demetallized strip-shaped zones arranged.
  • the metallized zones 7 are by a
  • Strip-shaped demetalized zone 9 running perpendicular to it is interrupted. 5 shows a document with several OVD's. The targeted combination
  • FIG. 6 shows the block diagram of a test device according to the invention, consisting of a
  • Control electronics a capacitive scanner 4 and evaluation electronics.
  • Control electronics essentially contain one in addition to the power supply
  • Demultiplexer 10 an oscillator 11 for providing the energy for the transmission electrodes
  • the evaluation electronics mainly consists of a power supply, a
  • Amplifier 13 a demodulator 14, a comparator 15, a microprocessor 16 with
  • the transmitter and receiver electrodes are cast in a sensor carrier. This
  • strip-shaped receiving electrode runs across the document feed direction.
  • Transmitting electrodes are arranged parallel to the receiving electrode. The distance one
  • Transmitting electrode to receiving electrode becomes electrical by the document typical
  • Transmitting electrodes are given the ability to work capacitively in the longitudinal axis
  • Scanners 4 capture several electrically conductive features simultaneously. The one with this
  • the arrangement achievable resolution depends on the number of transmitting electrodes used.
  • the resolution is at one scannable point per mm
  • the transmission electrodes are controlled in succession by a multiplexer 10.
  • FIG. 7 shows the schematic representation of the scanner 4 with a multiplicity of transmission electrodes
  • Fig. 6 block diagram shown.
  • Scanners with a transmitting electrode 17 and a plurality of receiving electrodes 18.
  • the signals of the receiving electrodes 18 are processed by means of multiplexers.
  • the further evaluation electronics consisting of power supply, an amplifier, a
  • Demodulator a comparator, a microprocessor with memory and filters for
  • Fig. 9 shows the schematic representation of a further embodiment of the capacitive
  • Receiving electrodes 20 These are alternately arranged in a row.
  • Evaluation signals of the receiving electrodes 20 by means of multiplex or demultiplexing
  • FIG. 10 shows a schematic illustration of the capacitive scanner 4 and one to
  • the OVD contains partial metallizations 21
  • FIG. 11 shows a schematic section through an OVD with a carrier layer 23 and one
  • the partially metallic layer 24 includes several
  • demetallized segments 25 In FIG. 12 the associated evaluation signal is in one
  • FIG. 13 shows a schematic section through an OVD with a carrier layer 26 and one
  • discontinuous metallization layer 27 The discontinuous metallization
  • Layer 27 contains segments 28, 29, 30, 31, 32 with different electrical
  • the associated evaluation signal is in a voltage-time
  • the diffractive optical security element also other electrically conductive
  • Inspection characteristics e.g. an electrically conductive security thread or coding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Credit Cards Or The Like (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Holo Graphy (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Telescopes (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Geophysics And Detection Of Objects (AREA)
PCT/DE1998/001178 1997-08-12 1998-04-24 Aufbau beugungsoptisch wirksamer sicherheitselemente und vorrichtung zur prüfung derartiger elemente WO1999009527A1 (de)

Priority Applications (14)

Application Number Priority Date Filing Date Title
JP2000510116A JP2003517646A (ja) 1997-08-12 1998-04-24 光学的回折効果を有する安全要素の構造及びその種の要素の制御装置
PL98338473A PL187652B1 (pl) 1997-08-12 1998-04-24 Element zabezpieczający czynny dyfrakcyjno-optycznie
SK178-2000A SK1782000A3 (en) 1997-08-12 1998-04-24 Constituting security elements with optical diffraction effect, and device for controlling such elements
DK98932022T DK1004097T3 (da) 1997-08-12 1998-04-24 Opbygning af et diffraktionsoptisk effektivt sikkerhedselement og indretning til kontrol af sådanne elementer
BR9811153-1A BR9811153A (pt) 1997-08-12 1998-04-24 Construção de elementos de segurança de difração opticamente eficazes e de um dispositivo para teste de tais elementos
CA002300961A CA2300961A1 (en) 1997-08-12 1998-04-24 Constituting security elements with optical diffraction effect, and device for controlling such elements
AT98932022T ATE212143T1 (de) 1997-08-12 1998-04-24 Aufbau eines beugungsoptisch wirksamen sicherheitselements und vorrichtung zur prüfung derartiger elemente
EP98932022A EP1004097B1 (de) 1997-08-12 1998-04-24 Aufbau eines beugungsoptisch wirksamen sicherheitselements und vorrichtung zur prüfung derartiger elemente
DE59802653T DE59802653D1 (de) 1997-08-12 1998-04-24 Aufbau eines beugungsoptisch wirksamen sicherheitselements und vorrichtung zur prüfung derartiger elemente
AU82081/98A AU8208198A (en) 1997-08-12 1998-04-24 Constituting security elements with optical diffraction effect, and device for controlling such elements
KR1020007001378A KR20010022778A (ko) 1997-08-12 1998-04-24 회절-광학 효과 안전 엘리먼트 형성 및 이러한 엘리먼트의 시험용 장치
UA2000020752A UA50838C2 (uk) 1997-08-12 1998-04-24 Дифракційно-оптичний захисний елемент і пристрій для тестування таких елементів
NO20000615A NO20000615L (no) 1997-08-12 2000-02-08 Sammensetning av diffraksjonsoptisk effektive sikkerhetselementer og anordning for ekthetskontroll av slike elementer
BG104143A BG64293B1 (bg) 1997-08-12 2000-02-08 ''Р"К'"РА НА ДИ"РАК-ИОННО-ОП'И-НО ВЪЗД...Й''ВА(tm)И ЗА(tm)И'НИ ...Л...М...Н'И И "''РОЙ''ВО ЗА ПРОВ...РКА НА ПОДОБНИ ...Л...М...Н'И

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19734855A DE19734855B4 (de) 1997-08-12 1997-08-12 Vorrichtung zur Prüfung beugungsoptisch wirksamer Sicherheitselemente
DE19734855.6 1997-08-12

Publications (1)

Publication Number Publication Date
WO1999009527A1 true WO1999009527A1 (de) 1999-02-25

Family

ID=7838710

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1998/001178 WO1999009527A1 (de) 1997-08-12 1998-04-24 Aufbau beugungsoptisch wirksamer sicherheitselemente und vorrichtung zur prüfung derartiger elemente

Country Status (22)

Country Link
EP (1) EP1004097B1 (id)
JP (1) JP2003517646A (id)
KR (1) KR20010022778A (id)
CN (1) CN1265761A (id)
AT (1) ATE212143T1 (id)
AU (1) AU8208198A (id)
BG (1) BG64293B1 (id)
BR (1) BR9811153A (id)
CA (1) CA2300961A1 (id)
DE (2) DE19734855B4 (id)
DK (1) DK1004097T3 (id)
ES (1) ES2172157T3 (id)
HU (1) HUP0003358A3 (id)
ID (1) ID25447A (id)
NO (1) NO20000615L (id)
PL (1) PL187652B1 (id)
PT (1) PT1004097E (id)
SA (1) SA98190497B1 (id)
SK (1) SK1782000A3 (id)
TR (1) TR200000651T2 (id)
UA (1) UA50838C2 (id)
WO (1) WO1999009527A1 (id)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19812811A1 (de) 1997-08-12 1999-09-23 Whd Elektron Prueftech Gmbh Aufbau von Sicherheitselementen für Dokumente und Vorrichtungen zur Prüfung von Dokumenten mit derartigen Sicherheitselementen sowie Verfahren zur Anwendung dieser Sicherheitselemente und Vorrichtungen
EP1168253A1 (en) 2000-06-28 2002-01-02 Sicpa Holding S.A. Use of communication equipment and method for authenticating an item, specifically documents, in particular security documents, communication equipment for authenticating items, and items to be authenticated by communication equipment
EP1179811B1 (en) * 2000-08-11 2008-10-15 European Central Bank Security document and process for producing a security document
FR2828316A1 (fr) * 2001-08-02 2003-02-07 Sequoias Authentification d'un document par superposition ou combinaison de niveaux de securisation
DE10248954A1 (de) * 2002-10-21 2004-04-29 Giesecke & Devrient Gmbh Sicherheitselement für Ausweis- und Wertdokumente
DE102004044458B4 (de) * 2004-09-15 2010-01-07 Ovd Kinegram Ag Sicherheitsdokument
CN100511262C (zh) * 2006-09-07 2009-07-08 中国科学院长春光学精密机械与物理研究所 一种光学防伪无损检测装置
CN104049003A (zh) * 2014-06-10 2014-09-17 中国人民银行印制科学技术研究所 一种阵列电容式感应传感器及有价证券防伪检测方法

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163137A (en) * 1965-12-11 1969-09-04 Paul Thurnberger Testing the Authenticity of Banknotes.
DE2747156A1 (de) 1977-10-20 1979-04-26 Siemens Ag Verfahren und pruefgeraet zur echtheitspruefung holografisch abgesicherter identitaetskarten
EP0019191A1 (de) * 1979-05-16 1980-11-26 BROWN, BOVERI & CIE Aktiengesellschaft Mannheim Sicherheitspapier
US4255652A (en) * 1979-01-31 1981-03-10 Coulter Systems Corporation High speed electrically responsive indicia detecting apparatus and method
EP0042946A2 (en) 1980-06-25 1982-01-06 International Business Machines Corporation Holographic scanner for generating scan patterns and its application to the sensing of bar code labels
EP0097570A2 (fr) * 1982-06-22 1984-01-04 Banque De France Dispositif de vérification d'épaisseur de matières diélectriques en feuille
US4913504A (en) * 1982-11-08 1990-04-03 American Bank Note Holographics, Inc. Documents or like articles bearing holograms
EP0360969A1 (de) * 1988-09-30 1990-04-04 Landis & Gyr Business Support AG Beugungselement
US5122754A (en) * 1988-03-10 1992-06-16 Inter Marketing Oy Sensor for verification of genuineness of security paper
EP0543058A1 (de) * 1991-11-21 1993-05-26 Klaus Henning Dipl.-Ing. Steiger Falschgeldsucher
US5248544A (en) * 1990-02-01 1993-09-28 Gao Gesellschaft Fur Automation Und Organisation Mbh Paper of value having an optically variable security element
US5388862A (en) * 1990-12-04 1995-02-14 Portals Limited Security articles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4576439A (en) * 1982-09-15 1986-03-18 Rca Corporation Reflective diffractive authenticating device
DE4423295C2 (de) * 1994-07-02 1996-09-19 Kurz Leonhard Fa Beugungsoptisch wirksame Strukturanordnung
DE19512921A1 (de) * 1995-03-30 1996-10-02 Lfp Elektronische Spezialsiche Einrichtung zur Prüfung von Sicherheitsdokumenten
DE19548532A1 (de) * 1995-12-22 1997-06-26 Giesecke & Devrient Gmbh Verfahren zur Detektion eines elektrisch leitfähigen Elements in einem Dokument
DE19718916A1 (de) * 1997-04-25 1998-10-29 Whd Elektron Prueftech Gmbh Anwendung und Verfahren zur Prüfung von Kokumenten mit beugungsoptisch wirksamen Sicherheitsschichten

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163137A (en) * 1965-12-11 1969-09-04 Paul Thurnberger Testing the Authenticity of Banknotes.
DE2747156A1 (de) 1977-10-20 1979-04-26 Siemens Ag Verfahren und pruefgeraet zur echtheitspruefung holografisch abgesicherter identitaetskarten
US4255652A (en) * 1979-01-31 1981-03-10 Coulter Systems Corporation High speed electrically responsive indicia detecting apparatus and method
EP0019191A1 (de) * 1979-05-16 1980-11-26 BROWN, BOVERI & CIE Aktiengesellschaft Mannheim Sicherheitspapier
EP0042946A2 (en) 1980-06-25 1982-01-06 International Business Machines Corporation Holographic scanner for generating scan patterns and its application to the sensing of bar code labels
EP0097570A2 (fr) * 1982-06-22 1984-01-04 Banque De France Dispositif de vérification d'épaisseur de matières diélectriques en feuille
US4913504A (en) * 1982-11-08 1990-04-03 American Bank Note Holographics, Inc. Documents or like articles bearing holograms
US5122754A (en) * 1988-03-10 1992-06-16 Inter Marketing Oy Sensor for verification of genuineness of security paper
EP0360969A1 (de) * 1988-09-30 1990-04-04 Landis & Gyr Business Support AG Beugungselement
US5248544A (en) * 1990-02-01 1993-09-28 Gao Gesellschaft Fur Automation Und Organisation Mbh Paper of value having an optically variable security element
US5388862A (en) * 1990-12-04 1995-02-14 Portals Limited Security articles
EP0543058A1 (de) * 1991-11-21 1993-05-26 Klaus Henning Dipl.-Ing. Steiger Falschgeldsucher

Also Published As

Publication number Publication date
HUP0003358A2 (hu) 2001-02-28
DE59802653D1 (de) 2002-02-21
KR20010022778A (ko) 2001-03-26
HUP0003358A3 (en) 2002-11-28
BG64293B1 (bg) 2004-08-31
JP2003517646A (ja) 2003-05-27
ID25447A (id) 2000-10-05
PT1004097E (pt) 2002-07-31
BG104143A (en) 2000-06-30
CN1265761A (zh) 2000-09-06
NO20000615D0 (no) 2000-02-08
NO20000615L (no) 2000-04-07
CA2300961A1 (en) 1999-02-25
TR200000651T2 (tr) 2000-08-21
EP1004097A1 (de) 2000-05-31
SK1782000A3 (en) 2000-10-09
DE19734855A1 (de) 1999-02-18
BR9811153A (pt) 2000-07-25
AU8208198A (en) 1999-03-08
SA98190497B1 (ar) 2006-08-14
DE19734855B4 (de) 2005-09-08
PL187652B1 (pl) 2004-08-31
PL338473A1 (en) 2000-11-06
ES2172157T3 (es) 2002-09-16
DK1004097T3 (da) 2002-05-06
EP1004097B1 (de) 2002-01-16
UA50838C2 (uk) 2002-11-15
ATE212143T1 (de) 2002-02-15

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