WO2001095261A1 - Dokumentenprüfgerät - Google Patents
Dokumentenprüfgerät Download PDFInfo
- Publication number
- WO2001095261A1 WO2001095261A1 PCT/EP2001/005990 EP0105990W WO0195261A1 WO 2001095261 A1 WO2001095261 A1 WO 2001095261A1 EP 0105990 W EP0105990 W EP 0105990W WO 0195261 A1 WO0195261 A1 WO 0195261A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- document
- slide
- checking device
- evaluation
- mirror
- Prior art date
Links
- 238000011156 evaluation Methods 0.000 claims abstract description 51
- 238000005286 illumination Methods 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims 2
- 230000005855 radiation Effects 0.000 claims 1
- 238000012795 verification Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000004904 UV filter Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000004304 visual acuity Effects 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
- G07D7/121—Apparatus characterised by sensor details
Definitions
- the invention relates to a document checking device according to the preamble of claim 1.
- Document checking devices of this type have become known in multiple embodiments. They are used to automatically check the authenticity of documents, in particular passport cards, ID cards, driver's licenses, identity cards, residence certificates (visas) and the like. B. also drop tickets.
- the invention therefore relates to the automatic checking (verification) of documents of any kind which are provided with certain authenticity features. It is known here to place the document to be checked on a transparent support surface, to illuminate the document from below with appropriate illumination sources and to record the reflected image with a camera. In a manner known per se, these are one or more matrix cameras which record the illuminated ID or document image and with one evaluate downstream software. However, the evaluation resolution of such a fixed unit is severely limited because, for example, known cameras have a resolution of 600 dpi and, because of the mirror deflection and the document size, only an evaluation accuracy of 100 dpi is possible with conventional identity cards or pass cards.
- the known document evaluation devices have a relatively low resolution and therefore a relatively poor possibility of recognizing the authenticity features on the documents.
- Such document checking devices are indeed suitable for reading text from the document - as is also known for flatbed scanners - but they are not suitable, e.g. B. read out a 2D barcode or not at all suitable to read out corresponding authenticity features which are based on diffraction structures or which relate to authenticity features hidden in image parts by steganography.
- flatbed scanners are not suitable for recognizing special structures on a document, because it is necessary to illuminate such special structures with different illumination sources.
- the invention is therefore based on the object of developing a document checking device of the type mentioned in such a way that an automatic examination of a document for authenticity features is possible quickly and accurately, with u. a. Authenticity features with diffraction structures should also be recognized reliably and correctly.
- the invention is characterized by the technical teaching of claim 1.
- the document checking device has a cross slide that can be moved in the X-Y direction, the components required for evaluating the authenticity features being arranged on this cross slide (hereinafter also referred to as X- ⁇ slide).
- Authenticity features with the highest resolution and highest recognition accuracy can perform.
- this XY positioning possibility of the evaluation unit it is consequently also possible to compensate for position errors of the authenticity features on the document. Namely, a document has been produced in such a way that the authenticity feature on the document z. B. is shifted by several millimeters, then this can be recognized due to the structure of the XY carriage, because the carriage is positioned so that the evaluation unit is positioned exactly under this authenticity feature.
- the evaluation components are arranged on the X-Y slide, which are used to evaluate the diffraction structures and which are also used to evaluate other authenticity features, such as, for. B. a text, a barcode, a visible in the IR range or other authenticity features.
- the evaluation unit for evaluating the diffraction structures consists of a laser and a corresponding evaluation optics, the entire evaluation unit being arranged on an inner slide which can be moved in the XY direction, this inner slide (also referred to below as an X slide). is arranged to be movable in an outer carriage which is movable in the Y direction.
- Such evaluation optics include in particular an OCR camera with a lens, which can read out certain document structures both in white light and in IR light.
- the entire evaluation unit consisting of a laser unit and the associated evaluation optics, can be moved in the X-Y direction and can thus be positioned very precisely under the authenticity features of the document to be examined.
- the lighting unit is also arranged on the Y-slide. This is not absolutely necessary for a solution, because a lighting unit (or even several lighting units) could also be arranged in a stationary manner outside the X-Y slide, so that the document can also be illuminated through the support surface. However, it is preferred if this lighting unit is arranged on the Y-carriage and consists of at least one lighting line, so that during the movement of the Y-carriage along the document along the lighting line, a light line (scanning line) on the document over the entire width of the document is generated and this scanning line is directed to the OCR matrix camera via appropriate mirror optics and is evaluated by the latter.
- a stationary evaluation unit for fluorescence features of the document is additionally arranged on the document checking device.
- a stationary camera is mounted in the housing of the device, which looks at a mirror, which mirror in turn depicts the support surface - on which the document rests.
- the contact surface is now illuminated in the UV range with a suitable UV illumination source, so that the security elements of the document which are excited to fluoresce emit light and this is directed via the mirror onto the stationary matrix camera.
- This evaluation unit is completely independent of the X-Y carriage, and separate protection - regardless of the other features of the invention - is claimed for this evaluation unit and its fixed arrangement and for the design of the details.
- this evaluation unit it can be provided that the stationary UV camera is omitted and that instead the camera used for laser evaluation on the X-slide is used at the same time to also evaluate the UV image.
- two separate cameras could also be mounted on the X-slide, one of which is suitable for laser evaluation of the diffraction structures, while the other camera is intended for evaluating the UV image.
- the invention is not limited to the previously mentioned evaluation in the UV range; this depends in particular on the type of filter used and the type of lighting source used.
- all evaluations can also take place in a different spectral range, in particular polarization filters can also be used instead of the UV filters, or completely different wavelength ranges can be used.
- the wavelength range of the NIR can be used (near infrared range) or any other wavelength range.
- the following description speaks of a UV evaluation, this is only to be understood as an exemplary embodiment. All in all, it can be stated that the solution shown here of using an XY slide with a laser evaluation unit mounted in the X slide has the essential advantage that this laser unit is outstandingly protected against misalignment.
- the entire X-Y slide can be very easily secured (locked), which means that the guides in which the X-Y slide is guided are protected accordingly and are secured against knocking out.
- the invention also relates to the kinematic reversal of an XY slide. It has been explained above that the slide which can be moved in the X direction is the inner slide and the slide which is movable in the Y direction is the outer slide which, seen in the longitudinal axis of the device, can be moved along the document. In kinematic reversal it can also be provided that the inner slide can be moved in the Y direction and the outer slide in the X direction.
- the aforementioned XY slide or the YX slide can also be replaced by other position systems that can be positioned on two levels. It is therefore provided that the entire evaluation components can be moved freely in two perpendicular directions in space. This can be done by spindle drives, by electromotive drives or by electromagnetic drives.
- Such systems which can be freely positioned in the X-Y plane, are known. They consist of hydraulic or pneumatic cylinders, spindles driven by an electric motor or the like.
- Figure 1 Schematic of a section through the document checking device according to the invention
- FIG. 2 perspective side view of part of the laser evaluation unit
- Figure 3 Section through the device showing further details
- Figure 4 a separate representation of the X-carriage with its drive
- Figure 5 is a side view of the Y-carriage
- Figure 6 a plan view of the device of Figure 3 with the X-carriage in two different positions.
- the housing 1 of a device is generally shown, which is approximately desk-like and has a front plate 2 inclined at an angle 4 to the horizontal, within which a transparent support surface 3 (z. B. made of glass) is arranged.
- a transparent support surface 3 z. B. made of glass
- the document to be examined is placed and pressed onto this contact surface 3 with a defined contact pressure, so that the document surface to be examined is visible from the underside of the contact surface 3.
- an XY slide 7, 8 is now arranged in the housing 1 in slide guides to be described later, the Y slide 7 being movable in the Y arrow direction 5 and the X slide in the arrow direction 6 (namely perpendicular to the plane of the drawing in FIG. 1) ).
- the less sensitive evaluation components are arranged on the outer Y-carriage 7, namely in particular a lighting unit 14 which is inclined in an oblique direction to the plane of the front plate and which is preceded by a cell-shaped focusing lens 15, so that this is also in front of the row trained lighting unit 14 is emitted light via the focusing lens 15 on the lying on the support surface 3, document underside.
- the lighting unit 14 (see FIG. 6 in this regard) consists of LEDs arranged in rows, which in particular generate white light.
- other lighting units can also be used, such as.
- Legs Illumination unit which alternately provides LEDs, of which one part of the LEDs emits white light and the other an IR light.
- a plurality of lighting units 14 can also be arranged side by side or also one above the other and each lighting unit can generate a separate spectrum or a mixed spectrum.
- the light reflected by the illumination unit on the underside of the document is directed via the beam path 13 to a deflecting mirror 12 and is directed there by a lens 11 to a line camera 10 which is suitable for evaluating the text on the document accordingly or also image information or also hidden Information that can only be read out, for example, in the NIR area.
- a signal processing board 9 is also firmly attached, with the aid of which the corresponding evaluations are carried out. This ensures that the information paths and the cable lengths are short and therefore the entire arrangement is less prone to failure.
- the arrangement of an inclined beam path 16 at an angle to the support surface 3 has the advantage that with this lighting unit 14 and ultimately with the camera 10, initially roughly during the scanning of the document, the corresponding positions of the diffraction features to be detected later on with the laser evaluation unit are determined on the document can be.
- the position of the diffraction features to be recognized later with the laser optics becomes rough determined and only later verified this diffraction feature with the laser evaluation components arranged on the X-slide.
- these components consist of a laser 21 (see also FIG. 2), which generates a beam path 22 on a deflecting mirror 20, which in turn directs a beam path 23 onto the document surface to be examined.
- the reflected image generated by the diffraction feature is reflected on the focusing screen 19 and forms a specific diffraction pattern 49 on the focusing screen 19, which is viewed through the focusing screen 19 from below at a certain solid angle 24 of a QCR matrix camera 17 through an objective 18 becomes.
- the diffraction pattern 49 striking the focusing screen is focused in the objective 18 and directed onto the OCR matrix camera 17 and evaluated there.
- the UV evaluation unit which is used in particular for evaluating fluorescent authenticity features on the document surface, will now be described.
- the entire arrangement is especially designed for viewing in UV light.
- a UV flash 26 is provided for this purpose, which is provided with a filter plate 27, which directs a light with a high UV component onto the document surface in the direction of arrow 30 and thereby excites the document surface with characteristic fluorescent threads.
- the light reflected by the document 3 is directed between the limiting beam paths 32, 33 onto the mirror 25 and from there via the lens 28 with the image 31 into the camera 29 and recorded by a CCD chip arranged there.
- a UV filter which blocks the UV light, can be arranged in front of the lens 28, so that only a light outside the UV range is detected by the camera. As a result, the camera 29 cannot be “blinded” by the UV flash 26.
- each of the guide rails 35 there are two ball bushings 48 arranged one behind the other (see FIG. 6), with which the Y-slide 7 is firmly connected.
- the entire Y slide can thus be moved and controlled freely in the arrow directions 5 in the Y direction.
- the drive takes place via a stepper motor 34, which is firmly anchored to the housing 1 and which carries a toothed belt 37 via a drive shaft 36, which runs on a guide roller 40 on the opposite side.
- a stepper motor 34 which is firmly anchored to the housing 1 and which carries a toothed belt 37 via a drive shaft 36, which runs on a guide roller 40 on the opposite side.
- One strand of the toothed belt is connected to the Y slide 7.
- Not invention limited to an overhead guide with overhead, parallel guide rails 35; others can
- Guide rails 35 and instead of the four guide bushes 48 used, more or fewer guide bushes can also be used.
- a housing 38 is arranged, in which the line camera 10 and the lens 11 are fixed, which ensures that these parts are easily interchangeable and can therefore be adjusted separately.
- the camera 10 can be adjusted very precisely at the factory to the lens 11 arranged there, and later the entire housing 38 can be adjusted very precisely to the deflection mirror 12 arranged outside.
- the X slide 8 is arranged to be movable in the Y slide perpendicular to the plane of the drawing in FIG. 3.
- the X-slide 8 is driven to be displaceable on a left-hand guide designed as a pipe guide 41 so as to be displaceable to the plane of the drawing in FIG. 3, while the right-hand side of the guide is formed by a slide guide 50 on which the Y-slide only rests with a sliding block and Guide rail is firmly attached in the Y-slide.
- two spaced-apart limit switches 42 are provided, which are also shown in FIGS. 4 and 5.
- the X and Y axes each have two limit switches.
- the drive motor 43 for the X slide is fastened in the Y slide 7 and drives the X slide 8 in the direction of the arrow 6 via its drive shaft 44 and a toothed belt 45.
- this toothed belt 45 runs over a deflection roller 47 according to FIG. 5 in the Y slide 7.
- the pipe guide 41 is otherwise attached to two spaced-apart bearing blocks 46 in the Y-slide according to FIG. 5.
- FIG. 6 shows in plan view that the X-slide 8 can be moved into two different end positions, the end position of the X-slide being indicated at 8 '.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Eye Examination Apparatus (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50114972T DE50114972D1 (de) | 2000-06-07 | 2001-05-25 | Dokumentenprüfgerät |
PL359020A PL204284B1 (pl) | 2000-06-07 | 2001-05-25 | Urządzenie do kontroli dokumentów |
EP01940526A EP1287496B1 (de) | 2000-06-07 | 2001-05-25 | Dokumentenprüfgerät |
AT01940526T ATE436061T1 (de) | 2000-06-07 | 2001-05-25 | Dokumentenprüfgerät |
CA002411689A CA2411689C (en) | 2000-06-07 | 2001-05-25 | Device for verifying documents |
HU0300799A HU227013B1 (en) | 2000-06-07 | 2001-05-25 | Device for verifying documents |
US10/305,476 US6892946B2 (en) | 2000-06-07 | 2002-11-27 | Device for verifying documents |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10028241.5 | 2000-06-07 | ||
DE10028241A DE10028241A1 (de) | 2000-06-07 | 2000-06-07 | Dokumentenprüfgerät |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/305,476 Continuation US6892946B2 (en) | 2000-06-07 | 2002-11-27 | Device for verifying documents |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001095261A1 true WO2001095261A1 (de) | 2001-12-13 |
Family
ID=7645030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/005990 WO2001095261A1 (de) | 2000-06-07 | 2001-05-25 | Dokumentenprüfgerät |
Country Status (9)
Country | Link |
---|---|
US (1) | US6892946B2 (de) |
EP (1) | EP1287496B1 (de) |
CN (1) | CN1191554C (de) |
AT (1) | ATE436061T1 (de) |
CA (1) | CA2411689C (de) |
DE (2) | DE10028241A1 (de) |
HU (1) | HU227013B1 (de) |
PL (1) | PL204284B1 (de) |
WO (1) | WO2001095261A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012003241A1 (de) | 2012-02-20 | 2013-08-22 | Bundesdruckerei Gmbh | Vorrichtung und Verfahren zur automatischen Prüfung von Wert- und/oder Sicherheitsdokumenten |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2481118A1 (en) * | 2002-04-04 | 2003-10-16 | Klaus Franken | Device for checking security elements |
DE102004020661A1 (de) * | 2004-04-24 | 2005-11-17 | Smiths Heimann Biometrics Gmbh | Anordnung und Verfahren zum Prüfen von optischen Beugungsstrukturen auf Dokumenten |
US20090082896A1 (en) * | 2007-09-21 | 2009-03-26 | Fargo Electronics, Inc. | Credential Manufacturing Device Information Management |
JP4473930B1 (ja) * | 2009-02-27 | 2010-06-02 | パナソニック株式会社 | 帳票読取装置 |
DE102009017708B3 (de) | 2009-04-14 | 2010-11-04 | Bundesdruckerei Gmbh | Verifikationsvorrichtung und Verfahren zum Verifizieren beugender und/oder reflektierender Sicherheitsmerkmale von Sicherheitsdokumenten |
CN101699844B (zh) * | 2009-10-16 | 2014-12-03 | 威海华菱光电股份有限公司 | 全光谱识别图像传感器 |
CN101895663B (zh) * | 2010-08-10 | 2014-12-03 | 威海华菱光电股份有限公司 | 接触式图像传感器 |
DE102013103527A1 (de) * | 2013-04-09 | 2014-10-09 | Bundesdruckerei Gmbh | Bildaufnahmesystem zur Bildaufnahme von Merkmalen eines Identifikationsdokumentes |
DE102013222273A1 (de) | 2013-11-01 | 2015-05-07 | Bundesdruckerei Gmbh | Lesegerät |
DE102014110946B4 (de) | 2014-08-01 | 2016-03-10 | Bundesdruckerei Gmbh | Terminaleinheit zur Verifikation eines Sicherheitsdokuments |
US10180248B2 (en) | 2015-09-02 | 2019-01-15 | ProPhotonix Limited | LED lamp with sensing capabilities |
JP2017053663A (ja) * | 2015-09-08 | 2017-03-16 | 株式会社東芝 | 画像読取装置、及び紙葉類処理装置 |
US10452908B1 (en) | 2016-12-23 | 2019-10-22 | Wells Fargo Bank, N.A. | Document fraud detection |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0101115A1 (de) * | 1982-07-20 | 1984-02-22 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO | Gerät zur Erkennung und Prüfung von Banknoten oder dergleichen |
EP0522769A1 (de) * | 1991-07-01 | 1993-01-13 | Canon Kabushiki Kaisha | Bildverarbeitungsgerät |
US5424807A (en) * | 1988-10-25 | 1995-06-13 | Canon Kabushiki Kaisha | Image processing apparatus with forgery prevention system |
US5650863A (en) * | 1992-10-23 | 1997-07-22 | Canon Kabushiki Kaisha | Image reading and copying using plural illumination sources having different characteristics |
US5960103A (en) * | 1990-02-05 | 1999-09-28 | Cummins-Allison Corp. | Method and apparatus for authenticating and discriminating currency |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57165836A (en) | 1981-04-06 | 1982-10-13 | Dainippon Screen Mfg Co Ltd | Method and apparatus for tracing and recording object to be traced |
US4751375A (en) * | 1986-04-11 | 1988-06-14 | Ampex Corporation | Method and apparatus for reading bar code under rapidly changing scanning speed conditions |
DE3930290A1 (de) | 1989-09-11 | 1991-03-21 | Zeiss Carl Fa | Verfahren zur datenaufnahme mittels eines, mindestens eine detektorzeile enthaltenden detektorarrays und vorrichtung zur durchfuehrung des verfahrens |
US5900954A (en) * | 1992-06-01 | 1999-05-04 | Symbol Technologies, Inc. | Machine readable record carrier with hologram |
US5306899A (en) * | 1992-06-12 | 1994-04-26 | Symbol Technologies, Inc. | Authentication system for an item having a holographic display using a holographic record |
DE4241663C2 (de) * | 1992-12-04 | 1997-05-28 | Borus Spezialverfahren | Verfahren zur Kennzeichnung und Erkennung eines Gegenstands |
CA2153252A1 (en) * | 1993-11-05 | 1995-05-11 | Graham Duell | Diffraction viewing device |
JP3068483B2 (ja) * | 1996-02-08 | 2000-07-24 | 株式会社東芝 | パターン読み出し方法、および光学的信号読み取り装置 |
US6123263A (en) * | 1998-01-29 | 2000-09-26 | Meta Holdings Corporation | Hand held dataform reader having strobing ultraviolet light illumination assembly for reading fluorescent dataforms |
US6168081B1 (en) * | 1998-03-23 | 2001-01-02 | Kabushiki Kaisha Toshiba | Method and apparatus for reading invisible symbol |
FR2783333B1 (fr) * | 1998-09-15 | 2001-11-23 | Gilles Leroux | Procede d'authentification d'oeuvres et dispositif specialement concu pour la mise en oeuvre de ce procede |
US6354501B1 (en) * | 1998-11-18 | 2002-03-12 | Crossoff Incorporated | Composite authentication mark and system and method for reading the same |
-
2000
- 2000-06-07 DE DE10028241A patent/DE10028241A1/de not_active Ceased
-
2001
- 2001-05-25 WO PCT/EP2001/005990 patent/WO2001095261A1/de active Application Filing
- 2001-05-25 AT AT01940526T patent/ATE436061T1/de active
- 2001-05-25 HU HU0300799A patent/HU227013B1/hu unknown
- 2001-05-25 DE DE50114972T patent/DE50114972D1/de not_active Expired - Lifetime
- 2001-05-25 CA CA002411689A patent/CA2411689C/en not_active Expired - Lifetime
- 2001-05-25 PL PL359020A patent/PL204284B1/pl unknown
- 2001-05-25 EP EP01940526A patent/EP1287496B1/de not_active Expired - Lifetime
- 2001-05-25 CN CNB018097685A patent/CN1191554C/zh not_active Expired - Lifetime
-
2002
- 2002-11-27 US US10/305,476 patent/US6892946B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0101115A1 (de) * | 1982-07-20 | 1984-02-22 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO | Gerät zur Erkennung und Prüfung von Banknoten oder dergleichen |
US5424807A (en) * | 1988-10-25 | 1995-06-13 | Canon Kabushiki Kaisha | Image processing apparatus with forgery prevention system |
US5960103A (en) * | 1990-02-05 | 1999-09-28 | Cummins-Allison Corp. | Method and apparatus for authenticating and discriminating currency |
EP0522769A1 (de) * | 1991-07-01 | 1993-01-13 | Canon Kabushiki Kaisha | Bildverarbeitungsgerät |
US5650863A (en) * | 1992-10-23 | 1997-07-22 | Canon Kabushiki Kaisha | Image reading and copying using plural illumination sources having different characteristics |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012003241A1 (de) | 2012-02-20 | 2013-08-22 | Bundesdruckerei Gmbh | Vorrichtung und Verfahren zur automatischen Prüfung von Wert- und/oder Sicherheitsdokumenten |
DE102012003241B4 (de) * | 2012-02-20 | 2015-12-24 | Bundesdruckerei Gmbh | Vorrichtung und Verfahren zur automatischen Prüfung von Wert- und/oder Sicherheitsdokumenten |
Also Published As
Publication number | Publication date |
---|---|
CN1430770A (zh) | 2003-07-16 |
CN1191554C (zh) | 2005-03-02 |
EP1287496B1 (de) | 2009-07-08 |
PL204284B1 (pl) | 2009-12-31 |
DE10028241A1 (de) | 2001-12-13 |
US20030156274A1 (en) | 2003-08-21 |
HU227013B1 (en) | 2010-04-28 |
CA2411689A1 (en) | 2002-12-06 |
DE50114972D1 (de) | 2009-08-20 |
EP1287496A1 (de) | 2003-03-05 |
CA2411689C (en) | 2007-10-30 |
HUP0300799A2 (en) | 2003-08-28 |
PL359020A1 (en) | 2004-08-23 |
ATE436061T1 (de) | 2009-07-15 |
US6892946B2 (en) | 2005-05-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0466119B1 (de) | Vorrichtung und Verfahren zur Prüfung von Dokumenten | |
EP1287496B1 (de) | Dokumentenprüfgerät | |
EP2266380B1 (de) | Optische erfassungsvorrichtung und verfahren für die erfassung von oberflächen von bauteilen | |
DE19924750C2 (de) | Leseanordnung für Informationsstreifen mit optisch kodierter Information | |
DE3137174A1 (de) | Vorrichtung zur optischen erkennung einer codierung auf einem diagnoseteststreifen | |
EP2546776A1 (de) | Kamerabasierter Codeleser und Verfahren zu dessen justierter Herstellung | |
EP2490185A2 (de) | Vorrichtung und Verfahren zur optischen Untersuchung von Wertdokumenten | |
EP0762174A2 (de) | Vorrichtung zur linienförmigen Beleuchtung von Blattgut, wie z.B. Banknoten oder Wertpapiere | |
DE112017004795T5 (de) | Kapazitäts-Erkennungsvorrichtung und Lesegerät | |
EP2513874B1 (de) | Sensor zur prüfung von wertdokumenten | |
EP1467185A1 (de) | Linsenanordnung für einen optischen Encoder | |
EP3614130B1 (de) | Vorrichtung zur ermittlung optischer eigenschaften von proben | |
DE2718711C2 (de) | ||
DE10028239A1 (de) | Vorrichtung zur Auswertung von Echtheitsmerkmalen mit Beugungsstruktur | |
EP1130533B1 (de) | Optischer Abtaster | |
DE102022112766A1 (de) | Spektrometersystem zur laserinduzierten Plasmaspektralanalyse | |
CH663285A5 (de) | Optische abtastvorrichtung. | |
DE102019133695B4 (de) | Lasermaterialbearbeitungskopf, Verwendung eines Lasermaterialbearbeitungskopfes und Verfahren zur Nahtführung bei der Lasermaterialbearbeitung | |
DE102012111650B4 (de) | Verfahren und Vorrichtung zur Ermittlung von dreidimensional erhabenen Strukturen auf einer Oberfläche eines Dokumentes | |
EP3474529B1 (de) | Beleuchtung für optische dokumentenerfassung | |
EP0540715A1 (de) | Optischer sensor | |
DE102010009957A1 (de) | Vorrichtung zur Abbildung eines flächigen Objekts | |
EP3527401A1 (de) | System und verfahren zur herstellung, bearbeitung und/oder prüfung eines buchartigen sicherheitsdokumentes | |
DE102004021397A1 (de) | Vorrichtung und Verfahren zur Echtheitsüberprüfung eines mit einem Sicherheitsmerkmal versehenen Sicherheits- oder Wertdokuments, das auf einem Träger aufgebracht ist | |
DE10301961A1 (de) | Optische Linseneinrichtung für einen Scanner |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): BG CA CN CO CZ EE HU IL IN JP LT LV PL RO RU SI SK US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 018097685 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10305476 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2001940526 Country of ref document: EP Ref document number: 2411689 Country of ref document: CA |
|
WWP | Wipo information: published in national office |
Ref document number: 2001940526 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: JP |