EP1059619B1 - Anordnung zur visuellen und maschinellen Echtheitsüberprüfung von Wert- und Sicherheitsdokumenten - Google Patents
Anordnung zur visuellen und maschinellen Echtheitsüberprüfung von Wert- und Sicherheitsdokumenten 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)
- Illuminated Signs And Luminous Advertising (AREA)
- Credit Cards Or The Like (AREA)
Description
- 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.
- 1
- Wert- und Sicherheitserzeugnis
- 2
- Stichtiefdruckfarbe
- 9
- Sicherheitsmerkmal
- 10
- Sicherheitsmerkmal
- 16
- leitfähige Druckfarbe
- 21
- Höhe
- 22
- Dicke
- 23
- Dicke
- 26
- Feldspalt
- 27
- Beobachter
- 28
- Träger
- 29
- El-Druckbild
- 30
- Träger
- 31
- Anschlüsse
- 32
- Elektrode
- 33
- Elektrode
- 34
- Kontakt
- 35
- Elektrodenanordnung
- 36
- Wechselfeld
- 37
- Wechselfeld
- 38
- Basisleiter 38a
- 39
- Elektrodenfinger
- 40
- Elektrodenfinger
- 41
- Isolationsschicht
- 42
- Fluoreszenzschicht
- 43
- Emission
- 44
- Emission
- 45
- Beschichtung
- 46
- Batterie
- 47
- Leiterplatte
- 48
- Elektronik
- 49
- Gehäuse
- 50
- Schalter
- 51
- Lumineszenzschicht
- 52
- Kontaktfläche
- 53
- Flächenelektrode
- 54
- Flächenelektrode
- 55
- Beleuchtungsquelle
- 56
- Einführspalt
- 57
- Netzteil
- 58
- Breite
- 59
- Abstand
Claims (9)
- Prüfgerät zur visuellen und/oder maschinellen Echtheitsprüfung von Wert- oder Sicherheitsdokumenten, die mit elektrolumineszierenden Substanzen versehene Sicherheitsmerkmale aufweisen, dadurch gekennzeichnet, daß das Prüfgerät zwei zueinander parallele Träger (28,30) aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger (28,30) durchsichtig ist, und daß an mindestens einem der Träger (28, 30) eine Elektrodenanordnung (35) vorgesehen ist, die geeignet ist, ein elektrisches Wechselfeld zu erzeugen, welches das Wertund Sicherheitserzeugnis (1) mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale (9, 10, 29) angeordnet sind und dadurch die El-aktiven Sicherheitsmerkmale (9, 10, 29) derart angeregt werden, daß sie Photonen aussenden, welche visuell oder maschinell auswertbar sind.
- Prüfgerät nach Anspruch 1, dadurch gekennzeichnet, daß beide Elektroden in Form einer gemeinsamen Elektrodenanordnung (35) auf einer Seite eines ortsfesten Trägers (28 oder 30) angeordnet sind.
- Prüfgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Elektrodenanordnung (35) im wesentlichen planar ausgebildet ist, mit in etwa auf gleicher Ebene angeordneten und nebeneinander liegenden Elektroden (39, 40), die zwischen sich einen Feldspalt (26) ausbilden, wobei die El-aktiven Sicherheitsmerkmale von den im Feldspalt (26) erzeugten Feldlinien des elektrischen Wechselfeldes durchsetzt werden.
- Prüfgerät nach Anspruch 3, dadurch gekennzeichnet, daß die Elektrodenanordnung (35) aus kammartig ineinander greifenden Elektrodenfingern (39,40) besteht, welche Elektrodenfinger (39,40) einen mäanderförmigen Feldspalt (26) zwischen sich ausbilden.
- Prüfgerät nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Elektrodenanordnung auf einer Isolationsschicht (41) aufgebracht ist.
- Prüfgerät zur visuellen und/oder maschinellen Echtheitsprüfung von Wert- oder Sicherheitsdokumenten, die mit elektrolumineszierenden Substanzen versehene Sicherheitsmerkmale aufweisen, dadurch gekennzeichnet, daß das Prüfgerät zwei zueinander parallele Träger (28,30) aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger durchsichtig ist, und daß an beiden Trägern (28,30) Elektroden (32,33; 53,54) angeordnet sind, die in der Art von Plattenkondensatoren zwischen sich ein elektrisches Wechselfeld erzeugen, welches das Wert- und Sicherheitserzeugnis (1) mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale (9,10, 29) angeordnet sind und dadurch die El-aktiven Sicherheitsmerkmale (9, 10, 29) derart angeregt werden, daß sie Photonen aussenden, welche visuell oder maschinell auswertbar sind.
- Prüfgerät nach Anspruch 6, dadurch gekennzeichnet, daß beide Elektroden (32,33) gegenüberliegend auf den Trägern (28,30) angeordnet sind, und daß das Wert- und Sicherheitserzeugnis (1) in einen Einführspalt (56) zwischen den Elektroden (32,33) einführbar ist.
- Prüfgerät zur visuellen und/oder maschinellen Echtheitsprüfung von Wert- oder Sicherheitsdokumenten, die mit elektrolumineszierenden Substanzen versehene Sicherheitsmerkmale aufweisen, dadurch gekennzeichnet, daß das Prüfgerät zwei zueinander parallele Träger (28,30) aufweist, zwischen die das zu prüfende Dokument einführbar ist, wobei mindestens einer der Träger durchsichtig ist, und daß auf dem Wert- und Sicherheitserzeugnis (1) eine erste Elektrode (16,32), und auf einem der Träger (28) eine zweite Elektrode (45) angeordnet ist, die zwischen sich ein elektrisches Wechselfeld erzeugen, welches das Wert- und Sicherheitserzeugnis (1) mindestens an den Stellen durchsetzt, an denen die El-aktiven Sicherheitsmerkmale (9,10,29) angeordnet sind und dadurch die El-aktiven Sicherheitsmerkmale (9, 10, 29) derart angeregt werden, daß sie Photonen aussenden, welche visuell oder maschinell auswertbar sind.
- Prüfgerät nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass an einer der Trägerplatten (28 oder 30) eine Fluoreszenzschicht (42) angeordnet ist, welche aus einer von dem El-aktiven Sicherheitsmerkmal (29) emittierten, sichtbaren oder nicht-sichtbaren Primärstrahlung eine Sekundärstrahlung im sichtbaren Bereich erzeugt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19708543A DE19708543C2 (de) | 1997-03-04 | 1997-03-04 | Wert- und Sicherheitserzeugnis mit lumineszierenden Sicherheitselementen und Verfahren zur Herstellung derselben |
DE19708543 | 1997-03-04 | ||
EP98914854A EP0964791B1 (de) | 1997-03-04 | 1998-02-25 | Wert- und sicherheitserzeugnis mit lumineszierenden sicherheitselementen und verfahren zur herstellung derselben und anordnung zur visuellen und maschinellen echtheitsüberprüfung |
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 (de) | 2000-12-13 |
EP1059619A3 EP1059619A3 (de) | 2000-12-20 |
EP1059619B1 true EP1059619B1 (de) | 2003-02-05 |
Family
ID=26034452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00119980A Expired - Lifetime EP1059619B1 (de) | 1997-03-04 | 1998-02-25 | Anordnung zur visuellen und maschinellen Echtheitsüberprüfung von Wert- und Sicherheitsdokumenten |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1059619B1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005116941A1 (de) | 2004-05-07 | 2005-12-08 | Bundesdruckerei Gmbh | Vorrichtung zur echtheitsprüfung eines wert- oder sicherheitsdokuments |
DE102013114496A1 (de) | 2013-12-19 | 2015-06-25 | Bundesdruckerei Gmbh | Zinksulfidischer Leuchtstoff mit Photo- und Elektrolumineszenzverhalten, Verfahren zu dessen Herstellung sowie Sicherheitsdokument, Sicherheitsmerkmal und Verfahren zu dessen Detektion |
DE102020111461B3 (de) | 2020-04-27 | 2021-09-02 | Bundesdruckerei Gmbh | Sicherheitsmerkmal und Verfahren zu dessen Detektion sowie Sicherheits- oder Wertdokument |
WO2023006142A1 (de) | 2021-07-27 | 2023-02-02 | Bundesdruckerei Gmbh | Sicherheitsmerkmal und verfahren zu dessen detektion sowie sicherheits- oder wertdokument |
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 (de) * | 1994-02-23 | 2006-11-23 | WHD elektronische Prüftechnik GmbH | Messanordnung zur Auswertung eines Metallfadens |
-
1998
- 1998-02-25 EP EP00119980A patent/EP1059619B1/de not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005116941A1 (de) | 2004-05-07 | 2005-12-08 | Bundesdruckerei Gmbh | Vorrichtung zur echtheitsprüfung eines wert- oder sicherheitsdokuments |
DE102013114496A1 (de) | 2013-12-19 | 2015-06-25 | Bundesdruckerei Gmbh | Zinksulfidischer Leuchtstoff mit Photo- und Elektrolumineszenzverhalten, Verfahren zu dessen Herstellung sowie Sicherheitsdokument, Sicherheitsmerkmal und Verfahren zu dessen Detektion |
WO2015091237A1 (de) | 2013-12-19 | 2015-06-25 | Bundesdruckerei Gmbh | Zinksulfidischer leuchtstoff mit photo- und elektrolumineszenzverhalten, verfahren zu dessen herstellung sowie sicherheitsdokument, sicherheitsmerkmal und verfahren zu dessen detektion |
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 (de) | 2020-04-27 | 2021-09-02 | Bundesdruckerei Gmbh | Sicherheitsmerkmal und Verfahren zu dessen Detektion sowie Sicherheits- oder Wertdokument |
WO2021219568A1 (de) | 2020-04-27 | 2021-11-04 | Bundesdruckerei Gmbh | Sicherheitsmerkmal und verfahren zu dessen detektion sowie sicherheits- oder wertdokument |
EP4350649A2 (de) | 2020-04-27 | 2024-04-10 | Bundesdruckerei GmbH | Sicherheitsmerkmal und verfahren zu dessen detektion sowie sicherheits- oder wertdokument |
WO2023006142A1 (de) | 2021-07-27 | 2023-02-02 | Bundesdruckerei Gmbh | Sicherheitsmerkmal und verfahren zu dessen detektion sowie sicherheits- oder wertdokument |
DE102021119436A1 (de) | 2021-07-27 | 2023-02-02 | Bundesdruckerei Gmbh | Sicherheitsmerkmal und Verfahren zu dessen Detektion sowie Sicherheits- oder Wertdokument |
Also Published As
Publication number | Publication date |
---|---|
EP1059619A3 (de) | 2000-12-20 |
EP1059619A2 (de) | 2000-12-13 |
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