EP2718911B1 - Verfahren zur verifikation eines sicherheitsdokuments mit einem sicherheitsmerkmal in form eines fluoreszierenden druckelementes sowie verwendung einer entsprechenden anordnung - Google Patents
Verfahren zur verifikation eines sicherheitsdokuments mit einem sicherheitsmerkmal in form eines fluoreszierenden druckelementes sowie verwendung einer entsprechenden anordnung Download PDFInfo
- Publication number
- EP2718911B1 EP2718911B1 EP12768750.7A EP12768750A EP2718911B1 EP 2718911 B1 EP2718911 B1 EP 2718911B1 EP 12768750 A EP12768750 A EP 12768750A EP 2718911 B1 EP2718911 B1 EP 2718911B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluorescent
- wavelength range
- print element
- security document
- range
- 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.)
- Active
Links
- 238000007639 printing Methods 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 17
- 230000003595 spectral effect Effects 0.000 claims description 23
- 238000012795 verification Methods 0.000 claims description 19
- 229910018509 Al—N Inorganic materials 0.000 claims description 12
- 229910007991 Si-N Inorganic materials 0.000 claims description 11
- 229910006294 Si—N Inorganic materials 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 9
- 239000012190 activator Substances 0.000 claims description 7
- 239000000049 pigment Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 6
- 230000005670 electromagnetic radiation Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 229910002795 Si–Al–O–N Inorganic materials 0.000 claims 4
- 229910006360 Si—O—N Inorganic materials 0.000 claims 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 229920005596 polymer binder Polymers 0.000 claims 1
- 239000002491 polymer binding agent Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 description 16
- 239000000976 ink Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010023 transfer printing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000005811 Viola adunca Nutrition 0.000 description 1
- 240000009038 Viola odorata Species 0.000 description 1
- 235000013487 Viola odorata Nutrition 0.000 description 1
- 235000002254 Viola papilionacea Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 238000007649 pad printing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- -1 rare earth ions Chemical class 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer 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
- G07D7/06—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
-
- 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
- G07D7/1205—Testing spectral properties
Definitions
- the invention relates to a method and a use of an arrangement for verifying a security document with a security feature in the form of at least one fluorescent printing element.
- a method can be performed with a smartphone or such an arrangement can be an integral part of a smartphone.
- Security documents within the meaning of the invention are, in particular, banknotes, passports, ID cards, driver's licenses, tickets and similar documents or objects in which the need for forgery-proofing exists.
- the EP 1 673 231 B1 describes a value document with a value document substrate having at least two different feature substances for checking the value document. At least one of the feature substances is formed by a luminescent substance or a mixture of luminescent substances.
- the feature substance can be irradiated with visible or infrared radiation, with emission taking place in the infrared spectral range. The authenticity check is performed based on the detected emission.
- the EP 0 977 670 B1 shows a printed value document with an authenticity feature in the form of a luminescent substance based on a rare earth-doped host lattice.
- the host lattice absorbs almost in the entire visible spectral range, so that all lines in the visible spectral range of the luminescent substance are suppressed.
- the excitation range of the luminescent substance coincides with the radiation range of strong light sources, such as halogen lamps, flash lamps or the like. However, it can also be excited with light from the visible range.
- the EP 0 991 522 B1 includes a document of value with luminescent substances which have emission spectra which are so far in the IR spectral range that they can be detected with conventional detectors only with high metrological effort, if they are added to the value document in maximum, but the document not changing amount.
- Suitable substances are substances based on holmium-doped host lattices.
- the EP 0 053 183 B1 shows a security document in the form of luminescent and absorbing substances which are excitable with invisible and / or visible light and luminesce only in the invisible region of the optical spectrum.
- EP 0 052 624 B1 EP 0 053 124 B1 .
- EP 0 053 148 B1 EP 0 975 468 B1 and EP 0 975 469 B1 where value documents with luminescent authenticity features are also described.
- the excitation of the phosphors can be done both in the visible and in the non-visible spectral range. As an additional safety factor pointed out that as much as possible no emissions in the visible range should occur.
- the WO 2006/056268 A1 and the DE 10 2004 056 007 A1 include a mobile verification device for authenticity verification of travel documents.
- the verification device comprises an identification device for identifying an authorized user, a release device for releasing the verification device on the basis of a signal of the identification device, an optical reading unit for reading image-based or alphanumeric information contained on the pages of the travel document, a data processing device for processing the optical reading unit supplied signals according to a predetermined algorithm, a display unit for displaying the read-out data and the Vertechnischsconces and a communication unit for the encrypted transmission of the read data or the verification result to a central location.
- a mobile telephone can serve as a graphic display unit, data processing unit and communication unit.
- a camera which preferably has a lighting device with modulatable, in particular pulsable light sources, such as LEDs or laser diodes.
- pulsable light sources such as LEDs or laser diodes.
- CN 1462010 A For example, a system for identifying forged banknotes using a cellular phone is described.
- the banknotes are encrypted by means of infrared barcode.
- the barcode is recorded in a central computer database.
- the authenticity of banknotes can be checked by means of a banknote recognition function of the mobile radio telephone implemented via suitable software.
- the central database is accessed via mobile connection.
- the CN 101252612 A shows a mobile telephone with a system for checking the authenticity of banknotes.
- the system includes a CCD camera mounted on the mobile phone as well as light sources located on the same side as the CCD camera.
- the light sources preferably comprise an infrared light source and an ultraviolet light source.
- the system may further comprise an infrared filter and an ultraviolet filter which can be pushed onto the infrared light source or ultraviolet light source by means of a transfer mechanism.
- the CCD camera conventionally used in mobile telephones can detect security features of banknotes.
- a disadvantage of the solution described is that additional modifications, such as the attachment of light sources, are required on the mobile telephone.
- the spectroscopic sensor comprises a light source and a photosensor, the existing flash and the CMOS / CCD image sensor the mobile phone as a light source or as a photo sensor use.
- a mobile phone By means of a mobile phone, an authenticity check of objects such as banknotes, jewels, etc. is to be carried out.
- the wavelength ranges of the radiation to be used are not described in detail.
- the US 2005/0100204 A1 shows a method and a device for the detection of fluorescent particles for the authenticity verification of documents.
- the device comprises a mobile telephone with an integrated light source and a photosensor.
- the US 2010/144387 A1 shows a multifunctional portable electronic device with integrated verification function.
- the device can z. B. be a mobile phone or a PDA.
- the corresponding area is excited, for example, with red or blue-violet light from a light source of the device.
- the resulting emissions can be evaluated with the naked eye and further detected by means of camera module.
- a central processing unit By means of a central processing unit, a comparison is made with predetermined data.
- the verification result is output on a display unit.
- the EP 1 986 162 A1 describes an apparatus and a method for checking the authenticity, in which a target area containing an authenticity feature is excited with visible or non-visible light and the emissions lying in the visible or non-visible spectral range are detected by means of a photosensor.
- the EP 1 672 668 A1 deals with fluorescent security features that emit in the visible spectral range.
- a lighting unit with an array of LEDs can be used, which can emit light in different spectral ranges.
- the WO 2008/113963 A1 shows a portable device for authentication with two oppositely arranged LEDs that emit visible light, which is focused by Fresnel lens and meets a group of security elements.
- the light emitted by the security elements light is detected by image sensor and further processed by a processor.
- the emitted light is in the visible spectral range.
- the result of the test is signaled optically or acoustically.
- the WO 2010/100378 A2 describes a method for the optical analysis of a substance on an object or a document.
- the object or document is irradiated with visible light to excite the substance, whereupon the substance emits visible light.
- a characteristic chromatic radiation which is not detectable in visible light, a corresponding filter element is used.
- An object of the present invention is to provide a use of an arrangement and a method for verifying a security document.
- the arrangement should be characterized in particular by the fact that it consists of simple, generally available components and is inexpensive to implement compared to conventionally used verification arrangements.
- the aim is the arrangement and the method for verification of such security documents so that they can be easily integrated into mobile phones, smart phones and similar devices.
- the method according to the invention for verifying a security document comprises the steps described below: First, the pigment-like fluorescent printing element, which is arranged in a test area of the security document, is excited by means of a light source emitting in the visible spectral range.
- the light source used is preferably an LED light which is used as a flash or photographic light, as it is used in particular on modern mobile telephones.
- the excitation can also be done via a continuous light source, such as neon tubes, halogen lamps or LED lighting.
- an excitation can also be realized via natural sunlight.
- To excite the preferably used fluorescent printing element is usually sufficient blue light. As a result of the excitation, light is emitted from the fluorescent printing element.
- the emission of the pigment-like fluorescent printing element is detected by a photosensor and subsequently evaluated.
- the evaluation takes place via a specific application program, which also takes into account the different light sources.
- the photosensor is preferably an image sensor of a mobile phone and the application program can be installed as a so-called app on a smartphone.
- a comparison with the remaining surface of the security document, on which no fluorescent printing element is arranged (comparison area), or with a pictorial image of the non-excited fluorescent printing element.
- the comparative data are usually stored in a database, the z. B. stored in the mobile phone or is available online.
- it is also possible to generate the data required for comparison during the process by illuminating a comparison region of the security document by means of the exciting light source and detecting the emission of the comparison region.
- the fluorescent printing element can also be detected in the unexcited state and used for comparison.
- the verification result is output, preferably on the display of the mobile telephone. If necessary, the verification result can be transmitted from the mobile phone to a remote receiver.
- the security document to be verified by means of the method according to the invention has a security feature in the form of at least one pigment-like fluorescent printing element which can be excited in a first wavelength range of electromagnetic radiation in order to emit electromagnetic radiation in a second wavelength range, the first and the second wavelength range in the visible spectral range lie.
- a fine-grained inorganic LED conversion luminescent material in a modified form, which is used in printing inks, printing inks or Printing pastes is incorporated. Included in this group are conversion phosphors used in the manufacture of LEDs to convert at least a portion of the emission of the semiconductor in the blue region to another color region to produce white light.
- the arrangement comprises a freely programmable mobile telephone with a light source for emitting light in the visible spectral range and with a photosensor for recording or measuring light in the visible spectral range.
- the free programmable mobile phone is configured to compare the radiation received by the photosensor with measured data emitted by the pigmented fluorescent printing element with predetermined data and to signal over-match or deviation to verify the security features of the security document being examined.
- a significant advantage of the verification arrangement is that only a correspondingly configured mobile phone is needed. Thus, a simple and also inexpensive solution for the authenticity check of security documents is available.
- the verification arrangement can be made available to a broader user group, which can carry out a review of security documents in a location-independent manner.
- the freely programmable mobile phones include smartphones, which can be individually upgraded with additional functions by the user via additional programs (so-called apps).
- apps The required light source for verification and the photo sensor are standard on smartphones, so that the existing hardware does not change must become.
- Smartphones usually have an LED light source to realize a flash or lighting function. With the help of this so-called LED flash excitation of serving as a security indicator fluorescent pressure element can be done.
- a smartphone photosensor such as a CCD, CMOS or Foveon sensor, is equipped with a shutter system in the range of 10 ms to 50 ms, in particular in the range of 33 ms in the wavelength range of about 360 nm to 1100 nm.
- Such photosensors are usually equipped with RGB color filters and IR cut filters, since they are sensitive to about 1100 nm and in particular in the non-visible range from 780 nm to 1100 nm have a high sensitivity.
- An essential advantage of the invention is that emission takes place in the visible spectral range as a result of the fluorescent printing element used as security marking. This emission, because it is in the visible spectral range, can be detected with little effort and without special detectors, for example by means of a color image sensor of a smartphone. In the previously known from the prior art solutions instead emissions are usually caused by the phosphors used in the non-visible area, the detection is much more expensive.
- the first wavelength range used for exciting the fluorescent printing element is between 380 nm and 500 nm.
- the middle wavelength of the first wavelength range is preferably in the visible spectral range, wherein it is also preferably in the wavelength range between 380 nm to 500 nm.
- a mean wavelength has between 420 nm to 470 nm or between 450 nm to 470 nm proved to be favorable.
- the fluorescent printing element emits in a second wavelength range whose wavelength is preferably in the visible spectral range.
- the wavelength or average wavelength of the second wavelength range is preferably between 490 nm and 780 nm or between 550 nm and 780 nm in the visible spectral range.
- the security feature is usually applied to the security document by printing or integrated into the security document.
- the printing inks, printing inks or printing pastes used preferably have a polymeric binder matrix in which the fluorescent printing element is homogeneously dispersed.
- the printing inks, printing inks or printing pastes are applied to the security document by means of suitable application methods, such as intaglio printing, gravure printing, offset printing, flexographic printing, screen printing, inkjet printing, transfer printing, re-transfer printing, laser transfer printing, pad printing or numbering or integrated into the security document by printing on inner layers and subsequent lamination.
- the pigment-like fluorescent printing element has a d50 pigment distribution in the range from 1 ⁇ m to 20 ⁇ m.
- the d50 value is the measure of the average pigment size. d50 means that 50% of the pigments are smaller than the specified value.
- a d50 pigment distribution in the sub-micron range, especially in the nanoscale range has proved favorable.
- the fluorescent printing element is formed by a nitridic phosphor having a host lattice of the structure M-Si-N, M-Si-ON, M-Al-N, M-Si-Al-N or M-Si-Al-ON and is doped with Eu 2+ as an activator, or has a host lattice of the structure M-Si-N, La-Si-N, M-Si-Al-N or M-Si-Al-ON and with Ce 3+ as activator is doped.
- M is a metal, which is preferably formed by Ca, Sr and / or Ba.
- exemplary naming of different phosphors is not intended to be limiting.
- Other suitable phosphors which emit in the visible after excitation in the blue or visible spectral range and mixtures of different phosphors can also be used.
- a preferred embodiment is to modify in particular those conversion phosphors which are also used for the production of white light-emitting LEDs in a suitable manner by varying the lattice composition, the activator concentration and / or by co-doping with other, different rare earth ions and in this form to use as a fluorescent printing element according to the invention.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Credit Cards Or The Like (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Printing Methods (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12768750T PL2718911T3 (pl) | 2011-09-06 | 2012-09-05 | Sposób weryfikacji dokumentu bezpiecznego zawierającego zabezpieczenie w postaci fluorescencyjnego elementu drukowanego oraz zastosowanie odpowiedniego układu |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011053318 | 2011-09-06 | ||
PCT/EP2012/067336 WO2013034603A1 (de) | 2011-09-06 | 2012-09-05 | Verfahren und anordnung zur verifikation eines sicherheitsdokuments mit einem sicherheitsmerkmal in form eines fluoreszierenden druckelementes sowie verwendung einer solchen anordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2718911A1 EP2718911A1 (de) | 2014-04-16 |
EP2718911B1 true EP2718911B1 (de) | 2016-12-07 |
Family
ID=46970243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12768750.7A Active EP2718911B1 (de) | 2011-09-06 | 2012-09-05 | Verfahren zur verifikation eines sicherheitsdokuments mit einem sicherheitsmerkmal in form eines fluoreszierenden druckelementes sowie verwendung einer entsprechenden anordnung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2718911B1 (zh) |
CN (1) | CN103875026B (zh) |
PL (1) | PL2718911T3 (zh) |
WO (1) | WO2013034603A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106485829A (zh) * | 2016-10-20 | 2017-03-08 | 上海古鳌电子科技股份有限公司 | 一种基于紫外光激发特种元素特征的票据识别设备及方法 |
EP3518190A1 (de) | 2018-01-30 | 2019-07-31 | Bundesdruckerei GmbH | Verfahren und vorrichtung zur multi-faktor-authentifizierung |
DE102018102015A1 (de) | 2018-01-30 | 2019-08-01 | Bundesdruckerei Gmbh | Verfahren zur Verifikationsprüfung eines Sicherheitsdokuments mit einem gedruckten Sicherheitsmerkmal, Sicherheitsmerkmal und Anordnung zur Verifikation |
WO2019190989A1 (en) * | 2018-03-26 | 2019-10-03 | Verifyme, Inc. | Device and method for authentication |
DE102018109141A1 (de) | 2018-04-17 | 2019-10-17 | Bundesdruckerei Gmbh | Smartphone verifizierbares, leuchtstoffbasiertes Sicherheitsmerkmal und Anordnung zur VerifizierungSmartphone verifizierbares, leuchtstoffbasiertes Sicherheitsmerkmal und Anordnung zur Verifizierung |
DE102018109142A1 (de) * | 2018-04-17 | 2019-10-17 | Bundesdruckerei Gmbh | Verfahren zur Verifikation eines leuchtstoffbasierten Sicherheitsmerkmals |
CN111040516A (zh) * | 2019-12-30 | 2020-04-21 | 天津市中环天佳电子有限公司 | 稀土防伪印泥 |
DE102020102204A1 (de) | 2020-01-30 | 2021-08-05 | Bundesdruckerei Gmbh | Endgerät und Verfahren zum Ermitteln von personenbezogenen Daten anhand eines Ausweisdokumentes |
DE102020104115A1 (de) | 2020-02-17 | 2021-08-19 | Bundesdruckerei Gmbh | Verfahren zum Überprüfen eines smartphone-verifizierbaren Sicherheitsmerkmals, Smartphone-verifizierbares Sicherheitsmerkmal und Wert- oder Sicherheitsdokument |
Family Cites Families (21)
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ES8204668A1 (es) | 1980-05-30 | 1982-05-16 | Gao Ges Automation Org | Perfeccionamientos en la fabricacion de papel dotado de mar-cas de seguridad |
EP0053183B1 (de) | 1980-05-30 | 1984-12-12 | GAO Gesellschaft für Automation und Organisation mbH | Wertpapier mit echtheitsmerkmalen in form von nur im unsichtbaren bereich des optischen spektrums lumineszierenden substanzen und verfahren zur prüfung derselben |
ES8203280A1 (es) | 1980-05-30 | 1982-04-01 | Gao Ges Automation Org | Perfeccionamientos en la fabricacion de papel moneda y simi-lares |
DE3020652A1 (de) | 1980-05-30 | 1981-12-10 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | Wertpapier mit echtheitsmerkmalen in form von lumineszierenden substanzen und verfahren zur aenderung derselben |
DE19804012A1 (de) | 1998-02-02 | 1999-08-05 | Giesecke & Devrient Gmbh | Wertdokument |
DE19803997B4 (de) | 1998-02-02 | 2018-01-25 | Giesecke+Devrient Currency Technology Gmbh | Wertdokument |
DE19804032A1 (de) | 1998-02-02 | 1999-08-05 | Giesecke & Devrient Gmbh | Wertdokument |
DE19804021A1 (de) | 1998-02-02 | 1999-08-05 | Giesecke & Devrient Gmbh | Wertdokument |
CN1462010A (zh) | 2002-06-02 | 2003-12-17 | 黄桂祥 | 手机识别纸币真伪的系统的设计方法 |
DE10346632A1 (de) | 2003-10-08 | 2005-05-19 | Giesecke & Devrient Gmbh | Wertdokument |
US20050100204A1 (en) | 2003-11-06 | 2005-05-12 | Spectra Systems Corporation | Method and apparatus for detecting fluorescent particles contained in a substrate |
DE102004056007A1 (de) | 2004-11-19 | 2006-05-24 | Bundesdruckerei Gmbh | Mobile Verifikationseinrichtung zur Echtheitsüberprüfung von Reisedokumenten |
EP1672568A1 (en) * | 2004-12-17 | 2006-06-21 | Ncr International Inc. | Security labels which are difficult to counterfeit |
US7420663B2 (en) | 2005-05-24 | 2008-09-02 | Bwt Property Inc. | Spectroscopic sensor on mobile phone |
WO2008113963A1 (en) * | 2007-03-20 | 2008-09-25 | Prime Technology Llc | Secure tag validation |
ZA200803184B (en) * | 2007-04-25 | 2009-01-28 | Graphic Security Systems Corp | Object authentication using a portable digital image acquisition device |
US8019115B2 (en) * | 2007-04-25 | 2011-09-13 | Graphic Security Systems Corp. | Object authentication using a portable digital image acquisition device |
CN101252612A (zh) | 2008-03-31 | 2008-08-27 | 浙江凯德商用机具有限公司 | 一种带纸币、票据防伪标志真伪识别系统的手机 |
CN101751714A (zh) * | 2008-12-05 | 2010-06-23 | 深圳富泰宏精密工业有限公司 | 多功能便携式电子装置 |
FR2942899B1 (fr) * | 2009-03-03 | 2011-09-23 | Jose Balbuena | Dispositif et procede d'analyse optique de documents |
CN101629077A (zh) * | 2009-08-14 | 2010-01-20 | 上海芯光科技有限公司 | 多元系氧氮化物基或氮化物基荧光粉及其制备方法 |
-
2012
- 2012-09-05 CN CN201280043461.6A patent/CN103875026B/zh active Active
- 2012-09-05 WO PCT/EP2012/067336 patent/WO2013034603A1/de active Application Filing
- 2012-09-05 EP EP12768750.7A patent/EP2718911B1/de active Active
- 2012-09-05 PL PL12768750T patent/PL2718911T3/pl unknown
Also Published As
Publication number | Publication date |
---|---|
PL2718911T3 (pl) | 2017-07-31 |
WO2013034603A1 (de) | 2013-03-14 |
CN103875026B (zh) | 2016-10-26 |
CN103875026A (zh) | 2014-06-18 |
EP2718911A1 (de) | 2014-04-16 |
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