EP1059619B1 - Device for the visual and machine-assisted validation of value and security documents - Google Patents
Device for the visual and machine-assisted validation of value and security documents Download PDFInfo
- Publication number
- EP1059619B1 EP1059619B1 EP00119980A EP00119980A EP1059619B1 EP 1059619 B1 EP1059619 B1 EP 1059619B1 EP 00119980 A EP00119980 A EP 00119980A EP 00119980 A EP00119980 A EP 00119980A EP 1059619 B1 EP1059619 B1 EP 1059619B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- security
- test apparatus
- electroluminescent
- value
- supports
- 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
Links
- 230000000007 visual effect Effects 0.000 title description 3
- 238000010200 validation analysis Methods 0.000 title 1
- 238000012360 testing method Methods 0.000 claims description 38
- 239000000126 substance Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 6
- 230000005684 electric field Effects 0.000 description 6
- 239000000969 carrier Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000013543 active substance Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- QORAVNMWUNPXAO-UHFFFAOYSA-N 2,2',4,4'-tetrachlorobiphenyl Chemical compound ClC1=CC(Cl)=CC=C1C1=CC=C(Cl)C=C1Cl QORAVNMWUNPXAO-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000012799 electrically-conductive coating Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
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
- G07D7/06—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
- G07D7/128—Viewing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
-
- 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
Definitions
- the present invention relates to an arrangement for visual and machine authenticity check of value and Security documents using electroluminescent Have substances with safety features,
- a security document is included in DE 41 26 051 A1 embedded areal security element (Security thread) presented, the multi-layered is and has electroluminescent properties.
- the for Excitation of the El substances are required electrodes arranged one above the other on the security document, with the security element in between.
- the Production of such an electroluminescent element the document is complex. To stimulate the electroluminescent element must be connected to the electrodes on the AC voltage can be applied to the document.
- US-A 4 355 300 shows a testing device for mechanical Authenticity check of a security document, whereby a AC voltage to an opposite one another Electrode assembly is applied, thereby a electric field generated between the two electrodes becomes. This is due to the between the electrodes brought security document and the on it located security feature the material-dependent Dielectric constant in the field gap changed. This has one Change in capacitance resulting in what about a measuring device is measured and in a Evaluation unit is evaluated. With this publication however, no electrically stimulable substances in the Field gap excited, and therefore no electromagnetic Radiation measured in the form of emitted photons. The Device parameters must therefore correspond to one here measuring capacitor voltage and not accordingly of an electromagnetic radiation to be measured become.
- the invention has for its object a test device for visual and machine authenticity check of value and To create security documents that are quick, secure and easy to use to check documents allowed.
- the test device has two mutually parallel supports, between which the document to be checked can be inserted, whereby at least one of the carriers is transparent. At least one of the carriers is provided with an electrode arrangement which is suitable for generating an alternating electrical field, which the value and security product at least to the Places enforced where the El-active security features are arranged.
- the tester two has mutually parallel supports, between which the testing document is insertable, at least one of the Carrier is transparent.
- a third embodiment is that the tester has two mutually parallel supports between which the testing document is insertable, at least one of the Carrier is transparent. It is on the value and Safety product a first electrode, and on one of the Carrier a second electrode arranged between them generate alternating electric field, which the value and Security product enforced at least in the places which the El-active security features are arranged.
- FIGS. 1 to 17 Various embodiments are illustrated in FIGS. 1 to 17 described by test equipment and at the same time Shapes of security documents with different Arrangement of El-active substances specified.
- the test device essentially two mutually spaced apart Carriers 28,30, preferably the observer 27th facing, upper support 28 is transparent and e.g. made of a glass or plastic with a transparent, internally attached, electrically conductive coating which forms the one electrode 33. On this electrode one contacts 34, the one with its one pole is connected to the terminal 31.
- the opposite electrode 32 is e.g. as anodized aluminum on the inner surface of the lower beam 30 attached and is also via the contact 34 with the other pole of the terminal 31 connected.
- FIGS 2 and 3 show a corresponding test device Electrodes 53, 54, which are also arranged opposite one another are and are contacted via corresponding connections 31.
- an illumination source 55 of any kind can be used to add one To achieve excitation of the El print image. In all cases the value and security product to be checked 1 through the insertion gap 56 into the tester.
- FIG. 4 shows a modification of the exemplary embodiment Figure 1 that an electrode assembly 35 only on one single carrier 28 can be arranged, one Electrode arrangement is used, such as with of the electrode arrangement 35 according to FIG. 5.
- the upper carrier 28 in turn consists of a transparent Glass or plastic, with a planar electrode arrangement 35 is described, which is shown in more detail in Figure 5.
- This Electrode arrangement is made of interlocking fingers Electrode fingers formed 39.40, the electrode fingers 39.40 form the field gap 26 between them and from each other are isolated. The entire arrangement is on an insulation layer 41 from e.g. Si oxide applied, the electrode fingers 40 conductive with each other through a base conductor 38 are connected, while the electrode fingers 39 by a Base conductor 38a (see FIG. 11) is conductive to one another are connected.
- the base conductors 38, 38a preferably consist of a gold layer, while the electrode fingers 39.40 from the ITO paste described above or consist of a transparent gold layer.
- FIG. 6 shows a modification of the exemplary embodiment Figure 4 that additionally on the inside of the upper Carrier 28, a fluorescent layer 42 can be arranged, which is caused by the emission emitted by the El printed image Is brought on.
- a fluorescent layer 42 lights up either in the visible area or in the invisible area Area.
- a modified exemplary embodiment in comparison to FIG. 4 shows Figure 7, where it can be seen that the previous described electrode assembly 35 on a now attached below Carrier 28 is attached and that of the electrode assembly alternating spring generated the value and Enforce security product 1 from below, so that it from above through the transparent carrier 30 without further notice can be observed without it being necessary in to arrange an electrode arrangement itself in the line of sight.
- Figures 4, 6 and 7 show that this is from the electrode assembly 35 alternating field 37 each generated the security document 1 - at least in the area of the EI print image 29.
- FIG. 8 it is shown that the image printed by the El emitted emission 43 as the primary emission on the fluorescence layer 42, which in turn has a secondary emission 44 generated either in the visible range of one Observer 27 can be detected or - in the invisible Area - can be evaluated by a test device.
- the test device according to FIGS. 9 to 11 essentially consists again from the two opposite beams 28,30, in the space between them is an alternating electric field is formed, being on one side of these two carriers 28,30 a housing 49 is arranged, which on its Top carries a switch 50 and which corresponding Batteries 46 for power supply and an electronic PCB 47 houses on which the electronics 48th is constructed.
- a switch 50 that is generated alternating electric field, which the as Security feature 9.10 trained El-print image 29 at least partially interspersed and lights up.
- FIG. 11 now shows that the previously described Electrode assembly 35 either on the inside of the lower one Carrier 30 or on the inside of the upper carrier 28 can be arranged.
- Figures 12 and 13 show that the electrode fingers 39.40 in are spaced from each other and between field gaps 26 which are approximately parallel to one another are formed.
- Luminescence layer 51 can be arranged. The function of this The luminescence layer has already been shown in FIG. 20 explained.
- Figures 14 and 15 show how the electrode arrangement 35 is integrated in the test device.
- the contacts 34 start and directly into the electronics 48 are introduced, to which a power supply unit 57 can be connected.
- the electrode arrangement 35 spaced from each other and isolating electrode fingers 39, 40 attached from one another, wherein Conductor widths 58 of typically 100 ⁇ m are preferred, at a conductor track spacing 59 of preferably 50 ⁇ m.
- An oxide layer is used for insulation over the entire arrangement applied by vapor deposition.
- Figure 16 shows that it is according to another embodiment is possible at the bottom of the security document 1 approximately flat electrode 32 in the form of a conductive printing ink 16 to bring up and contact them as well, then the value and security product 1 carries an El print image 29.
- the counter electrode is on a carrier of the test device arranged, which is described in the drawing Figure 17.
- the alternating field 36 generated between the two electrodes then passes through the El-active substances and brings them to light up.
- the height of the intaglio ink 2 above the base of security document 1 typically 10 to 20 ⁇ m
- the thickness 22 of the security document 1 typically 100 ⁇ m with a basis weight of 90g per square meter
- the thickness 23 of lower surface electrode 32 is about 3 to 10 microns.
- FIG. 17 shows the embodiment in FIG Figure 16 that the value and security product also on his Side - e.g. the bottom - with an electrode 32 can be coated, which contacts the one contact 34 becomes.
- the other contact is the surface contact of the Arranged on the inside of the upper, transparent support 28, wherein said electrode arrangement by a Insulation layer is covered, so that there as an electrode trained, full-surface ITO or gold coating if possible is completely covered by the insulation layer 41.
- the other contact 34 is conductive.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electroluminescent Light Sources (AREA)
- Credit Cards Or The Like (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
Gegenstand der vorliegenden Erfindung ist eine Anordnung zur visuellen und maschinellen Echtheitsüberprüfung von Wert- und Sicherheitsdokumenten, die mit elektrolumineszierenden Substanzen versehene Sicherheitsmerkmale aufweisen,The present invention relates to an arrangement for visual and machine authenticity check of value and Security documents using electroluminescent Have substances with safety features,
In der DE 41 26 051 A1 wird ein Sicherheitsdokument mit eingebettetem flächenhaften Sicherheitselement (Sicherheitsfaden) vorgestellt, das mehrschichtig ausgebildet ist und elektrolumineszierende Eigenschaften aufweist. Die zur Anregung der El-Substanzen erforderlichen Elektroden sind übereinanderliegend auf dem Sicherheitsdokument angeordnet, wobei sich das Sicherheitselement dazwischen befindet. Die Herstellung eines solchen elektrolumineszierenden Elements auf dem Dokument ist aufwendig. Zur Anregung des elektrolumineszierenden Elements muss an die Elektroden auf dem Dokument eine Wechselspannung angelegt werden.A security document is included in DE 41 26 051 A1 embedded areal security element (Security thread) presented, the multi-layered is and has electroluminescent properties. The for Excitation of the El substances are required electrodes arranged one above the other on the security document, with the security element in between. The Production of such an electroluminescent element the document is complex. To stimulate the electroluminescent element must be connected to the electrodes on the AC voltage can be applied to the document.
Die US-A 4 355 300 zeigt ein Prüfgerät zur maschinellen Echtheitsprüfung eines Sicherheitsdokumentes, wobei eine Wechselspannung an eine sich gegenüberliegende Elektrodenanordnung angelegt wird, wodurch ein elektrisches Feld zwischen den beiden Elektroden erzeugt wird. Hierbei wird durch das zwischen die Elektroden eingebrachte Sicherheitsdokument und dem darauf befindlichen Sicherheitsmerkmal die materialabhängige Dielektrizitätszahl im Feldspalt geändert. Dies hat eine Änderung des kapazitiven Widerstandes zur Folge, was über eine Meßeinrichtung gemessen wird und in einer Auswerteeinheit ausgewertet wird. Bei dieser Druckschrift werden jedoch keine elektrisch anregbare Substanzen im Feldspalt angeregt, und somit keine elektromagnetische Strahlung in Form von emittierten Photonen gemessen. Die Geräteparameter müssen hier also entsprechend einer zu messenden Kondensatorspannung und nicht entsprechend einer zu messenden elektromagnetischen Strahlung gewählt werden.US-A 4 355 300 shows a testing device for mechanical Authenticity check of a security document, whereby a AC voltage to an opposite one another Electrode assembly is applied, thereby a electric field generated between the two electrodes becomes. This is due to the between the electrodes brought security document and the on it located security feature the material-dependent Dielectric constant in the field gap changed. This has one Change in capacitance resulting in what about a measuring device is measured and in a Evaluation unit is evaluated. With this publication however, no electrically stimulable substances in the Field gap excited, and therefore no electromagnetic Radiation measured in the form of emitted photons. The Device parameters must therefore correspond to one here measuring capacitor voltage and not accordingly of an electromagnetic radiation to be measured become.
Der Erfindung liegt die Aufgabe zugrunde, ein Prüfgerät zur visuellen und maschinellen Echtheitsüberprüfung von Wert- und Sicherheitsdokumenten zu schaffen, das eine schnelle, sicherer und in der Handhabung einfache Überprüfung von Dokumenten erlaubt.The invention has for its object a test device for visual and machine authenticity check of value and To create security documents that are quick, secure and easy to use to check documents allowed.
Diese Aufgabe wird durch die technische Lehre der unabhängigen Patentansprüche gelöst.This task is accomplished through the technical teaching of the independent Claims resolved.
In einer ersten Ausführungsform der Erfindung ist vorgesehen, daß das Prüfgerät zwei zueinander parallele Träger aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger durchsichtig ist. An mindestens einem der Träger ist eine Elektrodenanordnung vorgesehen, die geeignet ist, ein elektrisches Wechselfeld zu erzeugen, welches das Wert- und Sicherheitserzeugnis mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale angeordnet sind.In a first embodiment of the invention, that the test device has two mutually parallel supports, between which the document to be checked can be inserted, whereby at least one of the carriers is transparent. At least one of the carriers is provided with an electrode arrangement which is suitable for generating an alternating electrical field, which the value and security product at least to the Places enforced where the El-active security features are arranged.
Eine weitere Ausführungsform sieht vor, daß das Prüfgerät zwei zueinander parallele Träger aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger durchsichtig ist. An beiden Trägern sind Elektroden angeordnet, die in der Art von Plattenkondensatoren zwischen sich ein elektrisches Wechselfeld erzeugen, welches das Wert- und Sicherheitserzeugnis mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale angeordnet sind.Another embodiment provides that the tester two has mutually parallel supports, between which the testing document is insertable, at least one of the Carrier is transparent. There are electrodes on both supports arranged in the manner of plate capacitors between generate an alternating electric field which Valuable and security product at least in the places enforced on which the El-active security features are arranged.
Eine dritte Ausführungsform besteht darin, daß das Prüfgerät zwei zueinander parallele Träger aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger durchsichtig ist. Dabei ist auf dem Wert- und Sicherheitserzeugnis eine erste Elektrode, und auf einem der Träger eine zweite Elektrode angeordnet, die zwischen sich ein elektrisches Wechselfeld erzeugen, welches das Wert- und Sicherheitserzeugnis mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale angeordnet sind.A third embodiment is that the tester has two mutually parallel supports between which the testing document is insertable, at least one of the Carrier is transparent. It is on the value and Safety product a first electrode, and on one of the Carrier a second electrode arranged between them generate alternating electric field, which the value and Security product enforced at least in the places which the El-active security features are arranged.
Weitere vorteilhafte Abwandlungen und Ausführungsformen der Erfindung sind Gegenstand der abhängigen Ansprüche.Further advantageous modifications and embodiments of the Invention are the subject of the dependent claims.
Im folgenden wird die Erfindung anhand von mehrere Ausführungswege darstellenden Zeichnungen näher erläutert.In the following the invention based on several Drawings illustrating execution paths explained in more detail.
Es zeigen:
- Figur 1:
- die Anordnung eines Sicherheitsdokuments in einem Prüfgerät in einer ersten Ausführungsform,
- Figur 2,3:
- verschiedene Möglichkeiten der Ausgestaltung von Prüfgeräten,
- Figur 4:
- die Anordnung eines Sicherheitsdokuments in einem Prüfgerät in einer zweiten Ausführungsform,
- Figur 5:
- die vergrößerte Darstellung von lateralen Elektroden,
- Figur 6:
- eine weitere Ausführung der Anordnung eines Sicherheitsdokuments in einem Prüfgerät in Abwandlung zur Figur 4,
- Figur 7:
- ein weiteres Ausführungsbeispiel der Anordnung eines Sicherheitsdokuments in einem Prüfgerät,
- Figur 8:
- eine weitere Ausführungsform der Gestaltung des Prüfgeräts,
- Figur 9:
- die konstruktive Ausgestaltung eines Prüfgeräts im Schnitt,
- Figur 10:
- die Draufsicht auf die Anordnung nach Figur 9,
- Figur 11:
- die Draufsicht auf eine Elektrodenanordnung zur Verwendung im Prüfgerät,
- Figur 12,13:
- verschiedene Ausführungsformen der Anordnung von Elektroden im Prüfgerät,
- Figur 14,15
- die Draufsicht und die vergrößerte Draufsicht auf eine Elektrodenanordnung in einem Prüfgerät.
- Figur 16:
- eine Darstellung eines in einem Prüfgerät verwendbaren Sicherheitsdokument mit einer Flächenelektrode,
- Figur 17:
- ein Prüfgerät zur Prüfung des Sicherheitsdokuments nach Figur 16.
- Figure 1:
- the arrangement of a security document in a test device in a first embodiment,
- Figure 2,3:
- various options for designing test equipment,
- Figure 4:
- the arrangement of a security document in a test device in a second embodiment,
- Figure 5:
- the enlarged representation of lateral electrodes,
- Figure 6:
- another embodiment of the arrangement of a security document in a test device in a modification of Figure 4,
- Figure 7:
- another embodiment of the arrangement of a security document in a test device,
- Figure 8:
- another embodiment of the design of the test device,
- Figure 9:
- the design of a test device on average,
- Figure 10:
- the top view of the arrangement of Figure 9,
- Figure 11:
- the top view of an electrode arrangement for use in the testing device,
- Figure 12, 13:
- different embodiments of the arrangement of electrodes in the test device,
- Figure 14.15
- the top view and the enlarged top view of an electrode arrangement in a tester.
- Figure 16:
- 1 shows a security document with a surface electrode that can be used in a test device,
- Figure 17:
- a test device for checking the security document according to Figure 16.
Anhand der Figuren 1 bis 17 werden verschiedene Ausführungsformen von Prüfgeräten geschildert und gleichzeitig werden auch Formgebungen von Sicherheitsdokumenten mit unterschiedlicher Anordnung El-wirksamer Substanzen angegeben.Various embodiments are illustrated in FIGS. 1 to 17 described by test equipment and at the same time Shapes of security documents with different Arrangement of El-active substances specified.
In Figur 1 ist erkennbar, daß das Prüfgerät im wesentlichen aus
zwei einen gegenseitigen Abstand zueinander einnehmenden
Trägern 28,30 besteht, wobei bevorzugt der dem Beobachter 27
zugewandte, obere Träger 28 durchsichtig ausgebildet ist und
z.B. aus einem Glas oder Kunststoff mit einer transparenten,
innen angebrachten, elektrisch leitfähigen Beschichtung
aufweist, welche die eine Elektrode 33 bildet.
An dieser Elektrode setzt der eine Kontakt 34 auf, der mit
seinem einen Pol mit dem Anschluß 31 verbunden ist.In Figure 1 it can be seen that the test device essentially
two mutually spaced apart
Die gegenüberliegende Elektrode 32 ist z.B. als Aluminium-Eloxal
auf der inneren Oberfläche des unteren Trägers 30
angebracht und ist ebenfalls über den Kontakt 34 mit dem
anderen Pol des Anschlusses 31 verbunden.The
Es wird also zwischen den beiden Elektroden 32,33 ein elektrisches
Wechselfeld 36 erzeugt, welches das zwischen die
Träger 28,30 eingeführte Wert- und Sicherheitserzeugnis 1
durchsetzt, so daß dieses Wechselfeld auch die El-wirksamen
Substanzen durchsetzt und das damit geschaffene El-Druckbild 29
zum Aufleuchten bringt.So there is an electrical between the two
Die Figuren 2 und 3 zeigen ein entsprechendes Prüfgerät mit
Elektroden 53,54, die ebenfalls gegenüberliegend angeordnet
sind und über entsprechende Anschlüsse 31 kontaktiert sind.
Zusätzlich kann - gemäß Figur 3 - noch eine Beleuchtungsquelle
55 beliebiger Art verwendet werden, um eine zusätzliche
Anregung des El-Druckbildes zu erreichen. In allen Fällen wird
hierbei das zu überprüfende Wert- und Sicherheitserzeugnis 1
durch den Einführspalt 56 in das Prüfgerät eingeführt.Figures 2 and 3 show a corresponding
Die Figur 4 zeigt in Abwandlung zu dem Ausführungsbeispiel nach
Figur 1, daß eine Elektrodenanordnung 35 auch nur an einem
einzigen Träger 28 angeordnet werden kann, wobei eine
Elektrodenanordnung verwendet wird, wie sie beispielsweise mit
der Elektrodenanordnung 35 nach Figur 5 dargestellt ist.FIG. 4 shows a modification of the exemplary embodiment
Figure 1 that an
Der obere Träger 28 besteht wiederum aus einem transparenten
Glas oder Kunststoff, wobei eine planare Elektrodenanordnung 35
beschrieben wird, die in Figur 5 näher dargestellt ist. Diese
Elektrodenanordnung wird aus fingerförmig ineinandergreifenden
Elektrodenfingern 39,40 gebildet, wobei die Elektrodenfinger
39,40 zwischen sich den Feldspalt 26 ausbilden und voneinander
isoliert sind. Die gesamte Anordnung ist auf einer Isolationsschicht
41 aus z.B. Si-Oxid aufgebracht, wobei die Elektrodenfinger
40 durch einen Basisleiter 38 leitfähig miteinander
verbunden sind, während die Elektrodenfinger 39 durch einen
Basisleiter 38a (vergleiche Figur 11) leitfähig miteinander
verbunden sind. Die Basisleiter 38,38a bestehen bevorzugt aus
einer Goldschicht, während die Elektrodenfinger 39,40 aus der
vorher beschriebenen ITO-Paste bestehen oder aus einer
transparenten Goldschicht.The
Die Figur 6 zeigt in Abwandlung des Ausführungsbeispiels nach
Figur 4, daß noch zusätzlich an der Innenseite des oberen
Trägers 28 eine Fluoreszenzschicht 42 angeordnet werden kann,
welches durch die von dem El-Druckbild abgegebenen Emission zum
Aufleuchten gebracht wird. Hierbei wird als erfinderisch
beansprucht, daß das Aufleuchten der Fluoreszenz-Schicht 42
entweder im sichtbaren Bereich oder auch im unsichtbaren
Bereich erfolgt.FIG. 6 shows a modification of the exemplary embodiment
Figure 4 that additionally on the inside of the
Ein abgewandeltes Ausführungsbeispiel im Vergleich zu Figur 4
zeigt die Figur 7, wo erkennbar ist, daß die vorher
beschriebene Elektrodenanordnung 35 auf einem nun unten angebrachten
Träger 28 befestigt ist und die von der Elektrodenanordnung
erzeugten Wechselfeder das Wert- und
Sicherheitserzeugnis 1 von unten her durchsetzen, so daß es von
oben her durch den transparenten Träger 30 ohne weiteres
beobachtet werden kann, ohne daß es hierbei notwendig ist, in
der Sichtlinie eine Elektrodenanordnung selbst anzuordnen.A modified exemplary embodiment in comparison to FIG. 4
shows Figure 7, where it can be seen that the previous
described
Die Figuren 4, 6 und 7 zeigen, daß das von der Elektrodenanordnung
35 erzeugte Wechselfeld 37 jeweils das Sicherheitsdokument
1 - zumindest im Bereich des El-Druckbildes 29-durchsetzt.Figures 4, 6 and 7 show that this is from the
In Figur 8 ist gezeigt, daß die von dem El-Druckbild 29
abgegebene Emission 43 als Primär-Emission auf die Fluoreszenz-Schicht
42 trifft, die ihrerseits eine Sekundäremission 44
erzeugt, die entweder im sichtbaren Bereich von einen
Beobachter 27 erfaßt werden kann oder - im nicht-sichtbaren
Bereich - von einem Prüfgerät ausgewertet werden kann.In FIG. 8 it is shown that the image printed by the El
emitted
Das Prüfgerät nach den Figuren 9 bis 11 besteht im wesentlichen
wiederum aus den beiden gegenüberliegenden Trägern 28,30, in
deren Zwischenraum ein elektrisches Wechselfeld
ausgebildet wird, wobei an der einen Seite dieser beiden Träger
28,30 ein Gehäuse 49 angeordnet ist, welches an seiner
Oberseite einen Schalter 50 trägt und welches entsprechende
Batterien 46 zur Stromversorgung und eine elektronische
Leiterplatte 47 beherbergt, auf welcher die Elektronik 48
aufgebaut ist. Durch Druck auf den Schalter 50 wird damit das
elecktrische Wechselfeld erzeugt, welches das als
Sicherheitsmerkmal 9,10 ausgebildete El-Druckbild 29 mindestens
teilweise durchsetzt und dieses zum Aufleuchten bringt.The test device according to FIGS. 9 to 11 essentially consists
again from the two
Die Figur 11 zeigt nun, daß die vorher nun beschriebene
Elektrodenanordnung 35 entweder an der Innenseite des unteren
Trägers 30 oder an der Innenseite des oberen Trägers 28
angeordnet sein kann.Figure 11 now shows that the previously described
Die Figuren 12 und 13 zeigen, daß die Elektrodenfinger 39,40 in
gegenseitigem Abstand zueinander angeordnet sind und zwischen
sich etwa zueinander parallele Feldspalte 26 ausbilden. Figures 12 and 13 show that the electrode fingers 39.40 in
are spaced from each other and between
Die gesamte Anordnung wird dann über eigens angebrachte,
leitfähige Kontaktflächen 52 mit den Kontakten 34 verbunden.
Zusätzlich kann an der Innenseite des Trägers 28 noch eine
Lumineszenzschicht 51 angeordnet werden. Die Funktion dieser
Lumineszenz-Schicht wurde anhand der Figur 20 bereits schon
erläutert.The entire arrangement is then made using specially attached
Conductive contact surfaces 52 connected to the
Die Figuren 14 und 15 zeigen hierbei, wie die Elektrodenanordnung
35 in dem Prüfgerät integriert ist. Hierbei ist
erkennbar, daß an den Kontaktflächen 52 die Kontakte 34
ansetzen und hierbei unmittelbar in die Elektronik 48
eingeführt sind, an welche ein Netzteil 57 anschließbar ist.
In einer bevorzugten Ausführungsform weist die Elektrodenanordnung
35 in gegenseitigem Abstand zueinander und isolierend
voneinander angebrachte Elektrodenfinger 39,40 auf, wobei
Leiterbahnbreiten 58 von typisch 100 µm bevorzugt werden, bei
einem Leiterbahnabstand 59 von bevorzugt 50 µm.Figures 14 and 15 show how the
Zur Isolation wird über die gesamte Anordnung eine Oxid-Schicht in Aufdampftechnik aufgebracht.An oxide layer is used for insulation over the entire arrangement applied by vapor deposition.
Figur 16 zeigt, daß es gemäss einer anderen Ausführungsform
möglich ist, an der Unterseite des Sicherheitsdokuments 1 eine
etwa flächige Elektrode 32 in Form einer leitfähigen Druckfarbe
16 aufzubringen und diese ebenfalls zu kontaktieren, wobei dann
das Wert- und Sicherheitserzeugnis 1 ein El-Druckbild 29 trägt.
Die Gegenelektrode ist hierbei an einem Träger des Prüfgeräts
angeordnet, welches in der Zeichnung Figur 17 beschrieben ist.Figure 16 shows that it is according to another embodiment
is possible at the bottom of the
Das zwischen den beiden Elektroden erzeugte Wechselfeld 36
durchsetzt dann die El-wirksamen Substanzen und bringt diese
zum Aufleuchten. Als typisches Beispiel kann hier genannt
werden, daß die Höhe der Stichtiefdruckfarbe 2 über der Basis
des Sicherheitsdokuments 1 (Höhe 21) typischerweise 10 bis 20
µm beträgt, während die Dicke 22 des Sicherheits-dokuments 1
typischerweise 100 µm bei einem Flächengewicht
von 90g pro Quadratmeter beträgt, und die Dicke 23 der
unteren Flächenelektrode 32 etwa 3 bis 10 µm beträgt.The alternating
Die Figur 17 zeigt unter Hinzunahme des Ausführungsbeispiels in
Figur 16, daß das Wert- und Sicherheitserzeugnis auch an seiner
Seite - z.B. der Unterseite - mit einer Elektrode 32
beschichtet sein kann, die von dem einen Kontakt 34 kontaktiert
wird. Der andere Kontakt wird als Flächenkontakt von der
Innenseite des oberen, durchsichtigen Trägers 28 angeordnet,
wobei die genannte Elektrodenanordnung durch eine
Isolationsschicht abgedeckt ist, so daß die dort als Elektrode
ausgebildete, vollflächige ITO bzw. Gold-Beschichtung möglichst
vollflächig von der Isolationsschicht 41 abgedeckt ist. An
dieser Schicht setzt der andere Kontakt 34 leitfähig an. FIG. 17 shows the embodiment in FIG
Figure 16 that the value and security product also on his
Side - e.g. the bottom - with an
- 11
- Wert- und SicherheitserzeugnisValue and security product
- 22
- StichtiefdruckfarbeIntaglio printing ink
- 99
- Sicherheitsmerkmalsafety feature
- 1010
- Sicherheitsmerkmalsafety feature
- 1616
- leitfähige Druckfarbeconductive ink
- 2121
- Höheheight
- 2222
- Dickethickness
- 2323
- Dickethickness
- 2626
- Feldspaltfeldspar
- 2727
- Beobachterobserver
- 2828
- Trägercarrier
- 2929
- El-DruckbildEl-print image
- 3030
- Trägercarrier
- 3131
- Anschlüsseconnections
- 3232
- Elektrodeelectrode
- 3333
- Elektrodeelectrode
- 3434
- KontaktContact
- 3535
- Elektrodenanordnungelectrode assembly
- 3636
- Wechselfeldalternating field
- 3737
- Wechselfeldalternating field
- 3838
-
Basisleiter 38a
Base conductor 38a - 3939
- Elektrodenfingerelectrode fingers
- 4040
- Elektrodenfingerelectrode fingers
- 4141
- Isolationsschichtinsulation layer
- 4242
- Fluoreszenzschichtfluorescent layer
- 4343
- Emissionemission
- 4444
- Emissionemission
- 4545
- Beschichtungcoating
- 4646
- Batteriebattery
- 4747
- Leiterplattecircuit board
- 4848
- Elektronik electronics
- 4949
- Gehäusecasing
- 5050
- Schalterswitch
- 5151
- Lumineszenzschichtluminescent
- 5252
- Kontaktflächecontact area
- 5353
- Flächenelektrodesurface electrode
- 5454
- Flächenelektrodesurface electrode
- 5555
- Beleuchtungsquellelighting source
- 5656
- Einführspaltintroduction gap
- 5757
- Netzteilpower adapter
- 5858
- Breitewidth
- 5959
- Abstanddistance
Claims (9)
- Test apparatus for visually and/or mechanically testing the genuineness of value-attesting or security documents which have security features provided with electroluminescent substances, characterized in that the test apparatus has two parallel supports (28, 30) between which the document to be tested is insertable, at least one of the supports (28, 30) being transparent, and in that an electrode arrangement (35) capable of generating an electrical alternating field which pervades the value-attesting and security product (1) at least in the places where the electroluminescent security features (9, 10, 29) are disposed, is provided on at least one of the supports (28, 30), and the electroluminescent security features (9, 10, 29) are thereby excited so that they emit photons which are visually or mechanically recognizable.
- Test apparatus according to Claim 1, characterized in that both electrodes are located on one side of a fixed support (28 or 30), in the form of a common electrode arrangement (35).
- Test apparatus according to Claim 1 or Claim 2, characterized in that the electrode arrangement (35) has a substantially planar configuration, with electrodes (39, 40) which are arranged side by side on approximately the same plane and form between them a field gap (26), wherein the electroluminescent security features are pervaded by the flux lines of the electrical alternating field that are generated in the field gap (26).
- Test apparatus according to Claim 3, characterized in that the electrode arrangement (35) consists of electrode fingers (39, 40) interdigitating with each other in comb-like fashion, which electrode fingers (39, 40) form between them a serpentine field gap (26).
- Test apparatus according to any one of Claims 1 to 4, characterized in that the electrode arrangement is deposited on an insulation layer (41).
- Test apparatus for visually and/or mechanically testing the genuineness of value-attesting or security documents which have security features provided with electroluminescent substances, characterized in that the test apparatus has two parallel supports (28, 30) between which the document to be tested is insertable, at least one of the supports being transparent, and in that electrodes (32, 33; 53, 54) generating between them, in the manner of parallel-plate capacitors, an electrical alternating field which pervades the value-attesting and security product (1) at least in the places where the electroluminescent security features (9, 10, 29) are disposed, are arranged on both supports (28, 30), and the electroluminescent security features (9, 10, 29) are thereby excited so that they emit photons which are visually or mechanically recognizable.
- Test apparatus according to Claim 6, characterized in that the two electrodes (32, 33) are arranged opposite each other on the supports (28, 30), and in that the value-attesting and security product (1) is insertable into a gap (56) between the electrodes (32, 33).
- Test apparatus for visually and/or mechanically testing the genuineness of value-attesting or security documents which have security features provided with electroluminescent substances, characterized in that the test apparatus has two parallel supports (28, 30) between which the document to be tested is insertable, at least one of the supports being transparent, and in that a first electrode (16, 32) and a second electrode (45) generating between them an electrical alternating field which pervades the value-attesting and security product (1) at least in the places where the electroluminescent security features (9, 10, 29) are disposed, are respectively arranged on the value-attesting and security product (1) and on one of the supports (28), and the electroluminescent security features (9, 10, 29) are thereby excited so that they emit photons which are visually or mechanically recognizable.
- Test apparatus according to any one of Claims 1 to 8, characterized in that a fluorescent coating (42) which produces a secondary radiation in the visible range from a visible or invisible primary radiation emitted by the electroluminescent security feature (29) is arranged on one of the support plates (28 or 30).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19708543A DE19708543C2 (en) | 1997-03-04 | 1997-03-04 | Valuable and security product with luminescent security elements and method for producing the same |
| DE19708543 | 1997-03-04 | ||
| EP98914854A EP0964791B1 (en) | 1997-03-04 | 1998-02-25 | Value or security product with luminescent security elements and method for the production and use thereof in respect to visual and machine-operated detection of authenticity |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98914854.9 Division | 1998-09-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1059619A2 EP1059619A2 (en) | 2000-12-13 |
| EP1059619A3 EP1059619A3 (en) | 2000-12-20 |
| EP1059619B1 true EP1059619B1 (en) | 2003-02-05 |
Family
ID=26034452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00119980A Expired - Lifetime EP1059619B1 (en) | 1997-03-04 | 1998-02-25 | Device for the visual and machine-assisted validation of value and security documents |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1059619B1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005116941A1 (en) | 2004-05-07 | 2005-12-08 | Bundesdruckerei Gmbh | Device for verifying the authenticity of a valuable document or security document |
| DE102013114496A1 (en) | 2013-12-19 | 2015-06-25 | Bundesdruckerei Gmbh | Zinc sulfide phosphor with photo and electroluminescent behavior, process for its preparation and security document, security feature and method for its detection |
| DE102020111461B3 (en) | 2020-04-27 | 2021-09-02 | Bundesdruckerei Gmbh | Security feature and method for its detection as well as security or value document |
| WO2023006142A1 (en) | 2021-07-27 | 2023-02-02 | Bundesdruckerei Gmbh | Security feature and method for the detection thereof, and security or value document |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4355300A (en) * | 1980-02-14 | 1982-10-19 | Coulter Systems Corporation | Indicia recognition apparatus |
| US5394969A (en) * | 1991-12-31 | 1995-03-07 | Authentication Technologies, Inc. | Capacitance-based verification device for a security thread embedded within currency paper |
| DE4405860B4 (en) * | 1994-02-23 | 2006-11-23 | WHD elektronische Prüftechnik GmbH | Measuring arrangement for evaluating a metal thread |
-
1998
- 1998-02-25 EP EP00119980A patent/EP1059619B1/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005116941A1 (en) | 2004-05-07 | 2005-12-08 | Bundesdruckerei Gmbh | Device for verifying the authenticity of a valuable document or security document |
| DE102013114496A1 (en) | 2013-12-19 | 2015-06-25 | Bundesdruckerei Gmbh | Zinc sulfide phosphor with photo and electroluminescent behavior, process for its preparation and security document, security feature and method for its detection |
| WO2015091237A1 (en) | 2013-12-19 | 2015-06-25 | Bundesdruckerei Gmbh | Zinc sulphide phosphor having photo- and electroluminescent properties, process for producing same, and security document, security feature and method for detecting same |
| US9670406B2 (en) | 2013-12-19 | 2017-06-06 | Leuchtstoffwerk Breitungen Gmbh | Zinc sulphide phosphor having photo- and electroluminescent properties, process for producing same, and security document, security feature and method for detecting same |
| DE102020111461B3 (en) | 2020-04-27 | 2021-09-02 | Bundesdruckerei Gmbh | Security feature and method for its detection as well as security or value document |
| WO2021219568A1 (en) | 2020-04-27 | 2021-11-04 | Bundesdruckerei Gmbh | Security feature and method for the detection thereof, and security or value document |
| EP4350649A2 (en) | 2020-04-27 | 2024-04-10 | Bundesdruckerei GmbH | Security feature and method for detecting same, and security or valuable document |
| WO2023006142A1 (en) | 2021-07-27 | 2023-02-02 | Bundesdruckerei Gmbh | Security feature and method for the detection thereof, and security or value document |
| DE102021119436A1 (en) | 2021-07-27 | 2023-02-02 | Bundesdruckerei Gmbh | Security feature and method for its detection as well as security or value document |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1059619A3 (en) | 2000-12-20 |
| EP1059619A2 (en) | 2000-12-13 |
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