EP1004097A1 - Structure d'un element de securite a effet optique de diffraction, et dispositif pour le controle de tels elements - Google Patents
Structure d'un element de securite a effet optique de diffraction, et dispositif pour le controle de tels elementsInfo
- Publication number
- EP1004097A1 EP1004097A1 EP98932022A EP98932022A EP1004097A1 EP 1004097 A1 EP1004097 A1 EP 1004097A1 EP 98932022 A EP98932022 A EP 98932022A EP 98932022 A EP98932022 A EP 98932022A EP 1004097 A1 EP1004097 A1 EP 1004097A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- document
- structure according
- zones
- electrodes
- scanner
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 24
- 230000000694 effects Effects 0.000 title abstract 4
- 238000011156 evaluation Methods 0.000 claims description 15
- 238000001465 metallisation Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 10
- 230000001629 suppression Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 23
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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)
- Telescopes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Geophysics And Detection Of Objects (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19734855 | 1997-08-12 | ||
DE19734855A DE19734855B4 (de) | 1997-08-12 | 1997-08-12 | Vorrichtung zur Prüfung beugungsoptisch wirksamer Sicherheitselemente |
PCT/DE1998/001178 WO1999009527A1 (fr) | 1997-08-12 | 1998-04-24 | Constitution d'elements de securite a effet optique de diffraction, et dispositif pour le controle de tels elements |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1004097A1 true EP1004097A1 (fr) | 2000-05-31 |
EP1004097B1 EP1004097B1 (fr) | 2002-01-16 |
Family
ID=7838710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98932022A Revoked EP1004097B1 (fr) | 1997-08-12 | 1998-04-24 | Structure d'un element de securite a effet optique de diffraction, et dispositif pour le controle de tels elements |
Country Status (22)
Country | Link |
---|---|
EP (1) | EP1004097B1 (fr) |
JP (1) | JP2003517646A (fr) |
KR (1) | KR20010022778A (fr) |
CN (1) | CN1265761A (fr) |
AT (1) | ATE212143T1 (fr) |
AU (1) | AU8208198A (fr) |
BG (1) | BG64293B1 (fr) |
BR (1) | BR9811153A (fr) |
CA (1) | CA2300961A1 (fr) |
DE (2) | DE19734855B4 (fr) |
DK (1) | DK1004097T3 (fr) |
ES (1) | ES2172157T3 (fr) |
HU (1) | HUP0003358A3 (fr) |
ID (1) | ID25447A (fr) |
NO (1) | NO20000615L (fr) |
PL (1) | PL187652B1 (fr) |
PT (1) | PT1004097E (fr) |
SA (1) | SA98190497B1 (fr) |
SK (1) | SK1782000A3 (fr) |
TR (1) | TR200000651T2 (fr) |
UA (1) | UA50838C2 (fr) |
WO (1) | WO1999009527A1 (fr) |
Families Citing this family (8)
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 (fr) | 2000-06-28 | 2002-01-02 | Sicpa Holding S.A. | Utilisation de matériel de communication et méthode pour authentifier un objet, spécialement des documents, en particulier des documents de sécurité, matériel de communication pour authentifier des objets, et objets à authentifier par le matériel de communication |
EP1179811B1 (fr) * | 2000-08-11 | 2008-10-15 | European Central Bank | Document de sécurité et son procédé de fabrication |
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 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1474903B2 (de) * | 1965-12-11 | 1972-09-07 | Thurnberger, Paul, Munderfing (Osterreich) | Verfahren zur pruefung der echtheit von banknoten |
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 |
DE2919649A1 (de) * | 1979-05-16 | 1980-11-20 | Bbc Brown Boveri & Cie | Sicherheitspapier |
EP0042946A3 (fr) | 1980-06-25 | 1982-06-02 | International Business Machines Corporation | Appareil de lecture holographique pour générer des formes de vérification et application dudit appareil à la lecture d'étiquettes codées à barres |
FR2528970B1 (fr) * | 1982-06-22 | 1985-09-27 | Flonic Sa | Dispositif de verification d'epaisseur de matieres dielectriques en feuille |
US4576439A (en) * | 1982-09-15 | 1986-03-18 | Rca Corporation | Reflective diffractive authenticating device |
US4913504A (en) * | 1982-11-08 | 1990-04-03 | American Bank Note Holographics, Inc. | Documents or like articles bearing holograms |
NO165697C (no) * | 1988-03-10 | 1991-03-20 | Inter Marketing Oy Ab | Sensor for ekthetskontroll av sikkerhetspapir. |
ATE98795T1 (de) * | 1988-09-30 | 1994-01-15 | Landis & Gyr Business Support | Beugungselement. |
DE4002979A1 (de) * | 1990-02-01 | 1991-08-08 | Gao Ges Automation Org | Wertpapier mit optisch variablem sicherheitselement |
GB2250474B (en) * | 1990-12-04 | 1994-04-20 | Portals Ltd | Security articles |
EP0543058A1 (fr) * | 1991-11-21 | 1993-05-26 | Klaus Henning Dipl.-Ing. Steiger | Détecteur de fausse monnaie |
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 |
-
1997
- 1997-08-12 DE DE19734855A patent/DE19734855B4/de not_active Expired - Fee Related
-
1998
- 1998-04-24 ES ES98932022T patent/ES2172157T3/es not_active Expired - Lifetime
- 1998-04-24 WO PCT/DE1998/001178 patent/WO1999009527A1/fr not_active Application Discontinuation
- 1998-04-24 AU AU82081/98A patent/AU8208198A/en not_active Abandoned
- 1998-04-24 BR BR9811153-1A patent/BR9811153A/pt not_active IP Right Cessation
- 1998-04-24 DE DE59802653T patent/DE59802653D1/de not_active Revoked
- 1998-04-24 CA CA002300961A patent/CA2300961A1/fr not_active Abandoned
- 1998-04-24 SK SK178-2000A patent/SK1782000A3/sk unknown
- 1998-04-24 ID IDW20000246D patent/ID25447A/id unknown
- 1998-04-24 HU HU0003358A patent/HUP0003358A3/hu unknown
- 1998-04-24 TR TR2000/00651T patent/TR200000651T2/xx unknown
- 1998-04-24 JP JP2000510116A patent/JP2003517646A/ja active Pending
- 1998-04-24 PL PL98338473A patent/PL187652B1/pl not_active IP Right Cessation
- 1998-04-24 UA UA2000020752A patent/UA50838C2/uk unknown
- 1998-04-24 AT AT98932022T patent/ATE212143T1/de not_active IP Right Cessation
- 1998-04-24 CN CN98807889A patent/CN1265761A/zh active Pending
- 1998-04-24 DK DK98932022T patent/DK1004097T3/da active
- 1998-04-24 PT PT98932022T patent/PT1004097E/pt unknown
- 1998-04-24 KR KR1020007001378A patent/KR20010022778A/ko active IP Right Grant
- 1998-04-24 EP EP98932022A patent/EP1004097B1/fr not_active Revoked
- 1998-09-06 SA SA98190497A patent/SA98190497B1/ar unknown
-
2000
- 2000-02-08 NO NO20000615A patent/NO20000615L/no not_active Application Discontinuation
- 2000-02-08 BG BG104143A patent/BG64293B1/bg active Active
Non-Patent Citations (1)
Title |
---|
See references of WO9909527A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1004097B1 (fr) | 2002-01-16 |
PL338473A1 (en) | 2000-11-06 |
BR9811153A (pt) | 2000-07-25 |
DE19734855A1 (de) | 1999-02-18 |
JP2003517646A (ja) | 2003-05-27 |
WO1999009527A1 (fr) | 1999-02-25 |
BG104143A (en) | 2000-06-30 |
AU8208198A (en) | 1999-03-08 |
UA50838C2 (uk) | 2002-11-15 |
TR200000651T2 (tr) | 2000-08-21 |
ATE212143T1 (de) | 2002-02-15 |
CN1265761A (zh) | 2000-09-06 |
ID25447A (id) | 2000-10-05 |
ES2172157T3 (es) | 2002-09-16 |
DE59802653D1 (de) | 2002-02-21 |
PT1004097E (pt) | 2002-07-31 |
NO20000615D0 (no) | 2000-02-08 |
NO20000615L (no) | 2000-04-07 |
DE19734855B4 (de) | 2005-09-08 |
SK1782000A3 (en) | 2000-10-09 |
KR20010022778A (ko) | 2001-03-26 |
DK1004097T3 (da) | 2002-05-06 |
BG64293B1 (bg) | 2004-08-31 |
SA98190497B1 (ar) | 2006-08-14 |
CA2300961A1 (fr) | 1999-02-25 |
HUP0003358A2 (hu) | 2001-02-28 |
HUP0003358A3 (en) | 2002-11-28 |
PL187652B1 (pl) | 2004-08-31 |
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