EP1814058A1 - Method and device for measuring the reduction and/or change in the luminescence intensity of a phosphor - Google Patents

Method and device for measuring the reduction and/or change in the luminescence intensity of a phosphor Download PDF

Info

Publication number
EP1814058A1
EP1814058A1 EP06001633A EP06001633A EP1814058A1 EP 1814058 A1 EP1814058 A1 EP 1814058A1 EP 06001633 A EP06001633 A EP 06001633A EP 06001633 A EP06001633 A EP 06001633A EP 1814058 A1 EP1814058 A1 EP 1814058A1
Authority
EP
European Patent Office
Prior art keywords
pixels
luminescence intensity
change
decrease
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06001633A
Other languages
German (de)
French (fr)
Other versions
EP1814058B1 (en
Inventor
Gerhard Alberts
Wolfgang Blaich
Andreas Hodapp
Herbert Dr. Schorb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Microscan Systems Inc
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP06001633A priority Critical patent/EP1814058B1/en
Publication of EP1814058A1 publication Critical patent/EP1814058A1/en
Application granted granted Critical
Publication of EP1814058B1 publication Critical patent/EP1814058B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G07D7/1205—Testing spectral properties
    • 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

Definitions

  • the invention relates to a method for detecting the decrease and / or the change in the luminescence intensity of a phosphor excited by light, which is provided for marking an object. Moreover, the invention relates to a device which is suitable for carrying out the method.
  • luminophores For invisible marking or marking of objects so-called luminophores are usually used, whereby z. B. is possible to distinguish plagiarism of originals.
  • an object provided with a luminescent color is excited by UV light, the object illuminates with decreasing luminescence intensity, wherein the decrease of this intensity can be used as a security and / or identification mark.
  • Detecting the intensity decrease is particularly difficult because it has to be examined in a time interval between 100 microseconds and 1 millisecond, but image acquisition devices usually take more than 5 milliseconds to pick up an object.
  • image recording device in the form of a CMOS sensor with a global (central) shutter. This shutter enables global and simultaneous exposure with pixel-synchronous readout behavior, whereby the decrease in intensity can be detected by suitable photodiodes.
  • the invention has for its object to provide a method of the type mentioned, which simplifies the detection of the decrease and / or the change in the luminescence intensity.
  • a device is to be specified which is suitable for carrying out the method.
  • a shutter device for image recording devices through which the image of an object is formed by the recording of individual lines, is known as a so-called "rolling shutter".
  • the recording of the intensity change or decrease takes place z.
  • This shutter allows a time-delayed recording by the time from one line to the n-th line and thus detecting the change in intensity of the luminescence color.
  • the recording of a line comprises the resetting of all pixels of a line, the integration of all pixels as well as the readout of all pixels, whereby only with the completion of the integration of the contents of the pixels of a line is fixed.
  • it is provided to calculate the course of the decrease and / or the change in the luminescence intensity.
  • This history can be used as a further security and / or identification mark to distinguish plagiarism from originals.
  • FIG. 1 represents a luminescence curve of a phosphor excited by a flash 2 (FIG. 3) for a short time at a time t 0, which is illuminated on an object 3, e.g. B. on a beverage container, is applied to the marking.
  • the recorded pixels are deposited in a memory of an evaluation unit 7, this evaluation unit 7 is provided with a suitable software for reading and further processing of the pixels.
  • the pixels are recorded which were recorded at a time t1 and at a time t2 (FIG. 1).
  • the times t1 and t2 are chosen such that the time offset between these times t1 and t2 is 100 microseconds, whereby pixels of a column 210 of lines 2 and 8 have been selected.
  • the evaluation results are displayed by the software on a display unit 8, with bars 9, 10 (FIG. 2) shown with different widths indicating a viewer to different luminescence intensities at the times t1 and t2.
  • the luminescence intensity of the recorded pixel at time t2 is less than the luminescence intensity of the recorded pixel at time t1.
  • the software of the evaluation unit 7 is designed to calculate from the recorded pixels at the times t1, t2 and from pixels to other times the course of the luminescence curve, wherein this History can be used as another security and / or identification mark to distinguish plagiarism from originals.

Abstract

The method involves obtaining an image acquisition of an object (3) by a sensor (4), where the image acquisition includes a number of pixels per row and column. The image acquisition is carried out line by line, and the pixels of the column are evaluated. A process of diminishing luminance intensity is calculated. The pixels are provided in a memory of an evaluation unit (7). The evaluation unit is provided with a software for reading and processing the pixels. An evaluated output is represented on a display by the software. An independent claim is also included for a device for detecting diminishing and/or a change of a luminance intensity of a luminescent substance stimulated by light.

Description

Die Erfindung betrifft ein Verfahren zur Erfassung der Abnahme und/oder der Änderung der Lumineszenzintensität eines durch Licht angeregten Leuchtstoffes, welcher zur Markierung eines Objektes vorgesehen ist. Darüber hinaus betrifft die Erfindung eine Einrichtung, welche zur Durchführung des Verfahrens geeignet ist.The invention relates to a method for detecting the decrease and / or the change in the luminescence intensity of a phosphor excited by light, which is provided for marking an object. Moreover, the invention relates to a device which is suitable for carrying out the method.

Zum unsichtbaren Markieren bzw. Kennzeichnen von Objekten werden gewöhnlich so genannte Luminophore verwendet, wodurch es z. B. möglich ist, Plagiate von Originalen zu unterscheiden. Wird beispielsweise ein mit einer Lumineszenzfarbe versehenes Objekt durch UV-Licht angeregt, leuchtet das Objekt mit abnehmender Lumineszenzintensität, wobei die Abnahme dieser Intensität als Sicherheits- und/oder Erkennungszeichen genutzt werden kann. Die Intensitätsabnahme zu erfassen gestaltet sich insbesondere deshalb schwierig, weil diese in einem Zeitintervall zwischen 100 Mikrosekunden und 1 Millisekunde zu untersuchen ist, Bildaufnahmeeinrichtungen allerdings gewöhnlich mehr als 5 Millisekunden benötigen, um ein Objekt aufzunehmen.
Um die Intensitätsveränderung bzw. -abnahme in diesem kleinen Zeitintervall zwischen 100 Mikrosekunden und 1 Millisekunde aufzunehmen, kann man eine Bildaufnahmeeinrichtung in Form eines CMOS-Sensors mit einem Global (Central)-Shutter einsetzen. Diese Verschlusseinrichtung ermöglicht eine globale und gleichzeitige Belichtung bei pixelsynchronem Ausleseverhalten, wobei die Intensitätsabnahme durch geeignete Photodioden erfasst werden kann.For invisible marking or marking of objects so-called luminophores are usually used, whereby z. B. is possible to distinguish plagiarism of originals. If, for example, an object provided with a luminescent color is excited by UV light, the object illuminates with decreasing luminescence intensity, wherein the decrease of this intensity can be used as a security and / or identification mark. Detecting the intensity decrease is particularly difficult because it has to be examined in a time interval between 100 microseconds and 1 millisecond, but image acquisition devices usually take more than 5 milliseconds to pick up an object.
In order to record the intensity change or decrease in this small time interval between 100 microseconds and 1 millisecond, it is possible to use an image recording device in the form of a CMOS sensor with a global (central) shutter. This shutter enables global and simultaneous exposure with pixel-synchronous readout behavior, whereby the decrease in intensity can be detected by suitable photodiodes.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der eingangs genannten Art anzugeben, welches die Erfassung der Abnahme und/oder der Änderung der Lumineszenzintensität vereinfacht. Darüber hinaus ist eine Einrichtung anzugeben, welche zur Durchführung des Verfahrens geeignet ist.The invention has for its object to provide a method of the type mentioned, which simplifies the detection of the decrease and / or the change in the luminescence intensity. In addition, a device is to be specified which is suitable for carrying out the method.

Diese Aufgabe wird im Hinblick auf das Verfahren durch die im Anspruch 1 angegebenen, im Hinblick auf die Einrichtung durch die im Anspruch 3 angegebenen Maßnahmen gelöst.This object is achieved in terms of the method by the specified in claim 1, with regard to the device by the measures specified in claim 3.

Vorteilhaft ist, dass zur Erfassung der Abnahme und/oder der Änderung der Lumineszenzintensität auf den Einsatz von Photodioden verzichtet werden kann. Der ohnehin zur Objekterkennung vorhandene Sensor wird auch zur Erfassung der Abnahme der Lumineszenzintensität genutzt.It is advantageous that the detection of the decrease and / or the change in the luminescence intensity can be dispensed with the use of photodiodes. The existing anyway for object recognition sensor is also used to detect the decrease in the luminescence intensity.

Eine Verschlusseinrichtung für Bildaufnahmeeinrichtungen, durch welche das Abbild eines Objektes durch die Aufnahme von einzelnen Zeilen entsteht, ist als so genanntes "Rolling-Shutter" bekannt. Die Aufnahme der Intensitätsveränderung bzw. -abnahme erfolgt z. B. in einem Zeitintervall zwischen 100 Mikrosekunden und 1 Millisekunde, wobei eine Bildaufnahmeeinrichtung mit CMOS-Sensor, welcher den Rolling-Shutter beinhaltet, eingesetzt wird. Diese Verschlusseinrichtung ermöglicht eine zeitversetzte Aufnahme um die Zeit von einer Zeile zur n-ten Zeile und damit das Erfassen der Intensitätsveränderung der Lumineszenzfarbe. Die Aufnahme einer Zeile umfasst das Rücksetzen aller Bildpunkte einer Zeile, das Integrieren aller Bildpunkte sowie das Auslesen aller Bildpunkte, wobei erst mit dem Abschluss der Integration der Inhalt der Bildpunkte einer Zeile fixiert ist.A shutter device for image recording devices, through which the image of an object is formed by the recording of individual lines, is known as a so-called "rolling shutter". The recording of the intensity change or decrease takes place z. Example, in a time interval between 100 microseconds and 1 millisecond, with an image pickup device with CMOS sensor, which includes the rolling shutter is used. This shutter allows a time-delayed recording by the time from one line to the n-th line and thus detecting the change in intensity of the luminescence color. The recording of a line comprises the resetting of all pixels of a line, the integration of all pixels as well as the readout of all pixels, whereby only with the completion of the integration of the contents of the pixels of a line is fixed.

In einer Ausgestaltung der Erfindung ist vorgesehen, den Verlauf der Abnahme und/oder der Änderung der Lumineszenzintensität zu errechnen. Dieser Verlauf kann als weiteres Sicherheits- und/oder Erkennungszeichen genutzt werden, um Plagiate von Originalen unterscheiden zu können.In one embodiment of the invention, it is provided to calculate the course of the decrease and / or the change in the luminescence intensity. This history can be used as a further security and / or identification mark to distinguish plagiarism from originals.

Anhand der Zeichnung, in der ein Ausführungsbeispiel der Erfindung veranschaulicht ist, werden im Folgenden die Erfindung, deren Ausgestaltungen sowie Vorteile näher erläutert.Reference to the drawing, in which an embodiment of the invention is illustrated, the invention, the embodiments and advantages are explained in more detail below.

Es zeigen:

Figur 1
eine Lumineszenzkurve,
Figur 2
eine Darstellung von Auswerteergebnissen und
Figur 3
eine Einrichtung zur Erfassung der Lumineszenzintensität.
Show it:
FIG. 1
a luminescence curve,
FIG. 2
a presentation of evaluation results and
FIG. 3
a device for detecting the luminescence intensity.

In Figur 1 ist mit 1 eine Lumineszenzkurve eines durch ein Blitzlicht 2 (Figur 3) kurzzeitig zu einem Zeitpunkt t0 angeregten Leuchtstoffes dargestellt, welcher auf einem Objekt 3, z. B. auf einem Getränkegebinde, zu dessen Markierung aufgebracht ist. Ein an sich bekannter mit einem Rolling-Shutter versehener Sensor 4 einer Bildaufnahmeeinrichtung 5, welche mit einem Objektiv 6 versehen ist, ist zur zeilenweisen Bildaufnahme des Objekts 3 vorgesehen, wobei die Bildaufnahme des Objektes 3 eine Anzahl Bildpunkte pro Zeile und Spalte umfasst. Die aufgezeichneten Bildpunkte werden in einem Speicher einer Auswerteeinheit 7 hinterlegt, wobei diese Auswerteeinheit 7 mit einer geeigneten Software zum Auslesen und zur Weiterverarbeitung der Bildpunkte versehen ist.
Im Folgenden wird angenommen, dass die Bildpunkte ausgewertet werden, welche zu einem Zeitpunkt t1 und zu einem Zeitpunkt t2 aufgezeichnet wurden (Figur 1). In einem praktischen Ausführungsbeispiel der Erfindung sind die Zeitpunkte t1 und t2 so gewählt, dass der zeitliche Versatz zwischen diesen Zeitpunkten t1 und t2 100 Mikrosekunden beträgt, wodurch Bildpunkte einer Spalte 210 der Zeilen 2 und 8 ausgewählt wurden. Die Auswerteergebnisse werden durch die Software auf einer Anzeigeeinheit 8 dargestellt, wobei unterschiedlich breit dargestellte Balken 9, 10 (Figur 2) einen Betrachter auf unterschiedliche Lumineszenzintensitäten zu den Zeitpunkten t1 und t2 hinweisen. Die Lumineszenzintensität des aufgezeichneten Bildpunktes zum Zeitpunkt t2 ist geringer als die Lumineszenzintensität des aufgezeichneten Bildpunktes zum Zeitpunkt t1. Die Software der Auswerteeinheit 7 ist derart ausgebildet, aus den aufgezeichneten Bildpunkten zu den Zeitpunkten t1, t2 und aus Bildpunkten zu weiteren Zeitpunkten den Verlauf der Lumineszenzkurve zu berechnen, wobei dieser Verlauf als weiteres Sicherheits- und/oder Erkennungszeichen genutzt werden kann, um Plagiate von Originalen unterscheiden zu können.In FIG. 1, 1 represents a luminescence curve of a phosphor excited by a flash 2 (FIG. 3) for a short time at a time t 0, which is illuminated on an object 3, e.g. B. on a beverage container, is applied to the marking. A per se known provided with a rolling shutter sensor 4 an image pickup device 5, which is provided with an objective 6 is provided for line by line image recording of the object 3, wherein the image pickup of the object 3 comprises a number of pixels per line and column. The recorded pixels are deposited in a memory of an evaluation unit 7, this evaluation unit 7 is provided with a suitable software for reading and further processing of the pixels.
In the following it is assumed that the pixels are recorded which were recorded at a time t1 and at a time t2 (FIG. 1). In a practical embodiment of the invention, the times t1 and t2 are chosen such that the time offset between these times t1 and t2 is 100 microseconds, whereby pixels of a column 210 of lines 2 and 8 have been selected. The evaluation results are displayed by the software on a display unit 8, with bars 9, 10 (FIG. 2) shown with different widths indicating a viewer to different luminescence intensities at the times t1 and t2. The luminescence intensity of the recorded pixel at time t2 is less than the luminescence intensity of the recorded pixel at time t1. The software of the evaluation unit 7 is designed to calculate from the recorded pixels at the times t1, t2 and from pixels to other times the course of the luminescence curve, wherein this History can be used as another security and / or identification mark to distinguish plagiarism from originals.

Claims (4)

Verfahren zur Erfassung der Abnahme und/oder der Änderung der Lumineszenzintensität eines durch Licht (2) angeregten Leuchtstoffes, welcher zur Markierung eines Objektes (3) vorgesehen ist, wobei eine Bildaufnahme des Objektes (3) durch einen Sensor (4) verwirklicht wird und die Bildaufnahme eine Anzahl Bildpunkte pro Zeile und Spalte umfasst, mit folgenden Verfahrensschritten: - die Bildaufnahme erfolgt zeilenweise, - es werden die Bildpunkte mindestens einer Spalte ausgewertet. Method for detecting the decrease and / or the change in the luminescence intensity of a phosphor stimulated by light (2), which is intended for marking an object (3), wherein an image recording of the object (3) is realized by a sensor (4) and the Image capture comprises a number of pixels per row and column, with the following process steps: - the image is taken line by line, - The pixels of at least one column are evaluated. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Verlauf der Abnahme der Lumineszenzintensität errechnet wird.A method according to claim 1, characterized in that the course of the decrease in the luminescence intensity is calculated. Einrichtung zur Erfassung der Abnahme und/oder der Änderung der Lumineszenzintensität eines durch Licht (2) angeregten Leuchtstoffes, welcher zur Markierung eines Objektes (3) vorgesehen ist, mit einem mit einem Rolling-Shutter versehenen Sensor (4) zur zeilenweisen Bildaufnahme des Objektes (3), wobei die Bildaufnahme eine Anzahl Bildpunkte pro Zeile und Spalte umfasst und wobei die Einrichtung Mittel (7) aufweist, welche die Bildpunkte mindestens einer Spalte auswerten.Device for detecting the decrease and / or the change in the luminescence intensity of a phosphor excited by light (2), which is provided for marking an object (3), with a sensor (4) provided with a rolling shutter for line-by-line image recording of the object ( 3), wherein the image acquisition comprises a number of pixels per row and column and wherein the device comprises means (7) which evaluate the pixels of at least one column. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel den Verlauf der Abnahme der Lumineszenzintensität errechnen.Device according to claim 1, characterized in that the means calculate the course of the decrease of the luminescence intensity.
EP06001633A 2006-01-26 2006-01-26 Method and device for measuring the change in the luminescence intensity of a phosphor Active EP1814058B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06001633A EP1814058B1 (en) 2006-01-26 2006-01-26 Method and device for measuring the change in the luminescence intensity of a phosphor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06001633A EP1814058B1 (en) 2006-01-26 2006-01-26 Method and device for measuring the change in the luminescence intensity of a phosphor

Publications (2)

Publication Number Publication Date
EP1814058A1 true EP1814058A1 (en) 2007-08-01
EP1814058B1 EP1814058B1 (en) 2011-06-01

Family

ID=36589093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06001633A Active EP1814058B1 (en) 2006-01-26 2006-01-26 Method and device for measuring the change in the luminescence intensity of a phosphor

Country Status (1)

Country Link
EP (1) EP1814058B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011128080A1 (en) * 2010-04-14 2011-10-20 Giesecke & Devrient Gmbh Sensor for verifying value documents
EP2546776A1 (en) * 2011-07-11 2013-01-16 Sick Ag Camera-based code reader and method for its adjusted manufacture
CN113607699A (en) * 2021-07-30 2021-11-05 中钞印制技术研究院有限公司 Luminescent product, authenticity detection method and system, anti-counterfeiting element and anti-counterfeiting article

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020652A1 (en) * 1980-05-30 1981-12-10 GAO Gesellschaft für Automation und Organisation mbH, 8000 München SECURITY PAPER WITH CHARACTERISTICS IN THE FORM OF LUMINESCENT SUBSTANCES AND METHOD FOR MODIFYING THE SAME
US5663552A (en) * 1993-10-19 1997-09-02 Matsushita Electric Industrial Co., Ltd. Portable information terminal apparatus having image processing function
US20020109100A1 (en) * 2000-10-27 2002-08-15 Jackson Joseph H. Light detection device
EP1265199A2 (en) * 2001-06-08 2002-12-11 Giesecke & Devrient GmbH Device for investigating documents
DE10259293A1 (en) * 2002-12-18 2004-07-22 Giesecke & Devrient Gmbh Banknote validity testing device with which luminescent light generated from security markings is detected, whereby light source and detector are arranged opposite to each other and banknotes are passed between them

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020652A1 (en) * 1980-05-30 1981-12-10 GAO Gesellschaft für Automation und Organisation mbH, 8000 München SECURITY PAPER WITH CHARACTERISTICS IN THE FORM OF LUMINESCENT SUBSTANCES AND METHOD FOR MODIFYING THE SAME
US5663552A (en) * 1993-10-19 1997-09-02 Matsushita Electric Industrial Co., Ltd. Portable information terminal apparatus having image processing function
US20020109100A1 (en) * 2000-10-27 2002-08-15 Jackson Joseph H. Light detection device
EP1265199A2 (en) * 2001-06-08 2002-12-11 Giesecke & Devrient GmbH Device for investigating documents
DE10259293A1 (en) * 2002-12-18 2004-07-22 Giesecke & Devrient Gmbh Banknote validity testing device with which luminescent light generated from security markings is detected, whereby light source and detector are arranged opposite to each other and banknotes are passed between them

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011128080A1 (en) * 2010-04-14 2011-10-20 Giesecke & Devrient Gmbh Sensor for verifying value documents
CN102893309A (en) * 2010-04-14 2013-01-23 德国捷德有限公司 Sensor for verifying value documents
RU2549122C2 (en) * 2010-04-14 2015-04-20 Гизеке Унд Девриент Гмбх Sensor to inspect documents of value
CN102893309B (en) * 2010-04-14 2016-08-24 德国捷德有限公司 Sensor for verifying valuable file
EP2546776A1 (en) * 2011-07-11 2013-01-16 Sick Ag Camera-based code reader and method for its adjusted manufacture
US8496173B2 (en) 2011-07-11 2013-07-30 Sick Ag Camera-based code reader and method for its adjusted manufacturing
CN113607699A (en) * 2021-07-30 2021-11-05 中钞印制技术研究院有限公司 Luminescent product, authenticity detection method and system, anti-counterfeiting element and anti-counterfeiting article

Also Published As

Publication number Publication date
EP1814058B1 (en) 2011-06-01

Similar Documents

Publication Publication Date Title
DE112013005574B4 (en) Imaging device
DE102006022847A1 (en) Electronic endoscope system
WO2008011932A1 (en) Method for verifying a time-sensitive and/or temperature-sensitive indicator
DE3300849A1 (en) DEVICE FOR DETERMINING THE DIRECTION OF THE OPTICAL RADIATION
WO2007079934A2 (en) Method and system for the optical inspection of a periodic structure
DE102005031490A1 (en) Cost-effective multi-sensor surface inspection
DE102009058669A1 (en) Authenticity feature in the form of luminescent substances
DE112005003696T5 (en) Optical monitoring of the crest line of escalators and moving walkways
WO2014206888A1 (en) Inspection of the contoured surface of the underbody of a motor vehicle
EP2138653A2 (en) Parking area management
DE102011108180A1 (en) Method and apparatus for identifying a photoluminescent material
DE102017003746A1 (en) Value document with security mark with varying cooldown and method for identifying the security mark
EP1814058A1 (en) Method and device for measuring the reduction and/or change in the luminescence intensity of a phosphor
DE102008029458A1 (en) Method for recording pulse signals
EP2559010B1 (en) Sensor for verifying value documents
AT508060A1 (en) METHOD, ILLUMINATION DEVICE AND SYSTEM FOR OPTICAL DETECTING OF MOVING OBJECTS
EP3782136A1 (en) Method for the verification of a luminescent-material-based security feature
DE102008029952A1 (en) Method and device for detecting transport containers
DE69722230T2 (en) METHOD AND DEVICE FOR DETERMINING DEPOSIT VALUE INDICATORS
DE102012112118A1 (en) Using an image sensor to record fast consecutive images
EP0947964A1 (en) Method for testing valuable papers
EP1343311A3 (en) Method and apparatus for compensating defective pixels of a CCD sensor
DE102013223852B4 (en) Method for creating at least two images with a camera device and camera device
DE102011116791B4 (en) Optical test method with multiple reading / freezing
DE102016123258B4 (en) Luminescence detector arrangement, fluorescence microscope and method for detecting a luminescence signal

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

17P Request for examination filed

Effective date: 20080130

17Q First examination report despatched

Effective date: 20080304

AKX Designation fees paid

Designated state(s): DE FR IT

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MICROSCAN SYSTEMS, INC.

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RTI1 Title (correction)

Free format text: METHOD AND DEVICE FOR MEASURING THE CHANGE IN THE LUMINESCENCE INTENSITY OF A PHOSPHOR

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR IT

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502006009592

Country of ref document: DE

Effective date: 20110714

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20120302

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502006009592

Country of ref document: DE

Effective date: 20120302

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20150119

Year of fee payment: 10

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20160930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160201

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 502006009592

Country of ref document: DE

Representative=s name: MERH-IP MATIAS ERNY REICHL HOFFMANN PATENTANWA, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 502006009592

Country of ref document: DE

Owner name: OMRON CORPORATION, JP

Free format text: FORMER OWNER: OMRON MICROSCAN SYSTEMS, INC., RENTON, WA, US

Ref country code: DE

Ref legal event code: R081

Ref document number: 502006009592

Country of ref document: DE

Owner name: OMRON CORPORATION, JP

Free format text: FORMER OWNER: MICROSCAN SYSTEMS INC., RENTON, WASH., US

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20221213

Year of fee payment: 18

Ref country code: DE

Payment date: 20221130

Year of fee payment: 18