EP2102837B1 - Location of a motor vehicle in a car park - Google Patents

Location of a motor vehicle in a car park Download PDF

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Publication number
EP2102837B1
EP2102837B1 EP07858215A EP07858215A EP2102837B1 EP 2102837 B1 EP2102837 B1 EP 2102837B1 EP 07858215 A EP07858215 A EP 07858215A EP 07858215 A EP07858215 A EP 07858215A EP 2102837 B1 EP2102837 B1 EP 2102837B1
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EP
European Patent Office
Prior art keywords
motor vehicle
parking
parking space
location
displayed
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Active
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EP07858215A
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German (de)
French (fr)
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EP2102837A1 (en
Inventor
Rainer Falk
Alla Heidenreich
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Siemens AG
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Siemens AG
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
    • G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules

Definitions

  • the invention relates to a method for determining the location of a motor vehicle in a park.
  • the present invention has for its object to provide a method by which a motor vehicle owner can determine the location of his motor vehicle in a park without having to remember this additional location information.
  • WO 00/46068 describes such a method in which when entering the park visually the license plate of the vehicle is detected.
  • the stand of the vehicle is determined by built-in sensors. This information is then linked to the recognized license plate in a server.
  • the motor vehicle is identified by means of an automatic number plate recognition in a method for locating a motor vehicle in a park when entering the park.
  • the location of the identified by the license plate motor vehicle is determined by means of a video image based object tracking.
  • the license plate and the parking space of the motor vehicle are assigned to an identification information and stored.
  • a position of the stand is displayed.
  • the motor vehicle owner in a simple manner to determine the location of his motor vehicle and display.
  • the motor vehicle holder for example, by entering his license plate at a dedicated interrogator or by passing on to a service employee query the location.
  • the determined position is displayed or printed to the motor vehicle holder when paying the parking ticket at the payment station. It is furthermore particularly advantageous that an already installed video surveillance system in the parking facility can be used for video image-based object tracking in order to be able to offer such a comfort service for locating parked motor vehicles.
  • a parking ticket is characterized by a parking ticket information.
  • the identification information is additionally assigned and stored the parking ticket information. This advantageously makes it possible for a motor vehicle owner to only need the parking ticket to identify his motor vehicle.
  • a path between the position of the parking space of the motor vehicle and a predeterminable position of a user is determined. Then a route description of the determined path is displayed.
  • the predefinable position of the user is, for example, the position of the interrogator or the parking ticket machine.
  • the position of the parking space of the motor vehicle is displayed, in which the stand is illuminated in a predeterminable manner via lighting means.
  • the corresponding motor vehicle is indicated by a brighter illumination or another illumination color.
  • the motor vehicle can be made visible by a specific lighting code, such as red-blue flashing. When paying for the parking ticket, this specific lighting code is communicated to the vehicle owner.
  • the FIG. 1 shows a park 1 with three parked there vehicles 2, 3, 4. About at least one video camera 5 video images of the entire park 1 are recorded. Furthermore, the shows FIG. 1 a parking ticket machine 6, which serves on the one hand to pay the parking tickets and on the other is used to query the location of a motor vehicle.
  • a series of algorithm steps are usually applied to the recorded video image.
  • the position of the license plate is detected in the video image.
  • differences in the spatial position and in the size of the license plate are compensated in an image preprocessing step.
  • the brightness and contrast of the image are optimized.
  • the individual characters of the license plate are identified in a segmentation and assigned to different areas.
  • feature extraction methods assign features to the individual characters and assign them to individual alphanumeric characters by classification.
  • both the license plate and the determined parking space of the motor vehicle are assigned to an identification information and stored.
  • the vehicle owner now has various options to bring the stand of his motor vehicle in experience. So he can, for example, enter the string of his license plate at a dedicated interrogator, whereupon he is the stand of his vehicle displayed. This is done, for example, by displaying the location in descriptive and / or illustrative form on a display of the interrogator or by printing out the corresponding information by the interrogator. Furthermore, it is possible that the motor vehicle holder turns to a service force and receives the desired information from this.
  • Another way to obtain the information about the location of the motor vehicle is that the motor vehicle owner when paying the parking ticket displays the desired information and / or gets printed.
  • the requested motor vehicle is identified by the parking ticket.
  • the assignment of the parking ticket to the motor vehicle takes place in this case when entering the park and the associated automatic number plate recognition.
  • the position of the motor vehicle stand is indicated by means of illumination. So it is possible, for example, that the parking space of the motor vehicle is made visible by a brighter lighting or a special illumination color. Furthermore, it is possible to identify the stand by a specific lighting pattern, such as a red-green flashing. The motor vehicle owner can in turn be alerted to the specific lighting form by appropriate information, which is either displayed and / or printed out.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

A method for location of a motor vehicle in a parking lot is provided. The method permits recording and display of a parking space of a motor vehicle in a parking lot. A video image analysis is carried out so that the number plate of the motor vehicle can be allocated to the relevant parking space of the motor vehicle.

Description

Die Erfindung betrifft ein Verfahren zur Standortermittlung eines Kraftfahrzeuges in einer Parkanlage.The invention relates to a method for determining the location of a motor vehicle in a park.

In Großanlagen mit einem sehr großen Aufkommen an Kraftfahrzeugen, wie beispielsweise in Flughäfen oder Sportstadien, werden heutzutage Parkanlagen bereit gestellt mit zum Teil deutlich mehr als 5.000 Stellplätzen. Beispielsweise verfügt das Parkhaus T2 am Franz-Josef-Strauß Flughafen in München auf 11 Ebenen über 6.400 Stellplätze und das Parkhaus in der Allianz Arena in München auf 4 Ebenen über 10.500 Stellplätze.In large plants with a very large amount of motor vehicles, such as in airports or sports stadiums, parks are nowadays provided with sometimes significantly more than 5,000 parking spaces. For example, the T2 car park at Franz-Josef-Strauß Airport in Munich has over 6,400 parking spaces on 11 levels and the parking garage in the Allianz Arena in Munich has more than 10,500 parking spaces on 4 levels.

In solch riesigen Parkanlagen haben viele Besucher Probleme, den Stellplatz ihres geparkten Kraftfahrzeuges wieder zu finden. Somit besteht ein Bedarf, den Standort eines in einer Parkanlage, wie beispielsweise einer Parkgarage oder einem Parkplatz, abgestellten Kraftfahrzeuges möglichst eindeutig zu kennzeichnen und somit auffindbar zu machen.In such huge parks, many visitors have problems to find the parking space of their parked vehicle again. Thus, there is a need to identify as clearly as possible the location of a parked in a park, such as a parking garage or a car parked motor vehicle and thus make it discoverable.

Bisher wird dieses Problem gelöst, indem eine Unterteilung der Parkanlage in unterschiedliche räumliche Abschnitte vorgenommen wird und die Abschnitte durch alphanumerische Zeichen gekennzeichnet werden. So könnte der Stellplatz eines Kraftfahrzeuges beispielsweise mit Ebene 4, Abschnitt H, Stellplatz 132 gekennzeichnet sein. Nachteilig hierbei ist, dass dem Kraftfahrzeugshalter die entsprechende alphanumerische Zeichenfolge entfallen kann und er hieraufhin den Standort seines Kraftfahrzeuges suchen muss.So far, this problem is solved by a division of the park is made in different spatial sections and the sections are characterized by alphanumeric characters. For example, the parking space of a motor vehicle could be marked with level 4, section H, parking space 132. The disadvantage here is that the motor vehicle owner the corresponding alphanumeric string can be omitted and he has to search for the location of his vehicle.

Somit liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein Verfahren anzugeben, mit dem ein Kraftfahrzeughalter den Standort seines Kraftfahrzeuges in einer Parkanlage ermitteln kann ohne sich hierzu eine zusätzlich Standortinformation merken zu müssen.Thus, the present invention has for its object to provide a method by which a motor vehicle owner can determine the location of his motor vehicle in a park without having to remember this additional location information.

WO 00/46068 beschreibt ein solches Verfahren bei dem bei der Einfahrt in die Parkanlage optisch das Nummernschild des Fahrzeuges erkannt wird. Der Standplatz des Fahrzeuges wird eingebaute Sensoren ermittelt. Diese Information wird damm mit dem erkannten Nummernschild in einem Server verknüpft. WO 00/46068 describes such a method in which when entering the park visually the license plate of the vehicle is detected. The stand of the vehicle is determined by built-in sensors. This information is then linked to the recognized license plate in a server.

Diese Aufgabe wird durch ein Verfahren mit den in Anspruch 1 angegebenen Merkmalen gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by a method having the features specified in claim 1. Advantageous developments of the invention are specified in the subclaims.

Entsprechend der vorliegenden Erfindung wird in einem Verfahren zur Standortermittlung eines Kraftfahrzeuges in einer Parkanlage beim Einfahren in die Parkanlage das Kraftfahrzeug mittels einer automatischen Nummernschilderkennung identifiziert. Der Standplatz des anhand des Nummernschildes identifizierten Kraftfahrzeuges wird mittels einer videobildbasierten Objektverfolgung ermittelt. Anschließend werden einer Identifizierungsinformation das Nummernschild und der Standplatz des Kraftfahrzeuges zugeordnet und gespeichert. Nach Anfrage durch Eingabe zumindest eines Teils der Identifizierungsinformation wird eine Position des Standplatzes angezeigt. Auf diese Weise ist es dem Kraftfahrzeughalter in einfacher Art und Weise möglich den Standort seines Kraftfahrzeuges ermitteln und anzeigen zu lassen. Hierzu kann der Kraftfahrzeughalter beispielsweise durch Eingabe seines Nummernschildes an einem dafür vorgesehenen Abfragegerät oder durch Weitergabe an einen Servicemitarbeiter den Standort abfragen. Nach einer weiteren Variante wird dem Kraftfahrzeughalter beim Bezahlen des Parktickets an der Bezahlstation der ermittelte Standort angezeigt oder ausgedruckt. Besonders vorteilhaft ist weiterhin, dass zur videobildbasierten Objektverfolgung ein ohnehin installiertes Videoüberwachungssystem in der Parkanlage benutzt werden kann, um einen derartigen Komfortdienst zum Auffinden von abgestellten Kraftfahrzeugen anbieten zu können.According to the present invention, the motor vehicle is identified by means of an automatic number plate recognition in a method for locating a motor vehicle in a park when entering the park. The location of the identified by the license plate motor vehicle is determined by means of a video image based object tracking. Subsequently, the license plate and the parking space of the motor vehicle are assigned to an identification information and stored. Upon request by entering at least part of the identification information, a position of the stand is displayed. In this way it is possible for the motor vehicle owner in a simple manner to determine the location of his motor vehicle and display. For this purpose, the motor vehicle holder, for example, by entering his license plate at a dedicated interrogator or by passing on to a service employee query the location. According to a further variant, the determined position is displayed or printed to the motor vehicle holder when paying the parking ticket at the payment station. It is furthermore particularly advantageous that an already installed video surveillance system in the parking facility can be used for video image-based object tracking in order to be able to offer such a comfort service for locating parked motor vehicles.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist ein Parkticket durch eine Parkticketinformation gekennzeichnet. Der Identifizierungsinformation wird zusätzlich die Parkticketinformation zugeordnet und gespeichert. Dies ermöglicht in vorteilhafter Weise, dass ein Kraftfahrzeughalter zur Identifizierung seines Kraftfahrzeuges nur das Parkticket benötigt.According to a further advantageous embodiment of the invention, a parking ticket is characterized by a parking ticket information. The identification information is additionally assigned and stored the parking ticket information. This advantageously makes it possible for a motor vehicle owner to only need the parking ticket to identify his motor vehicle.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung wird ein Weg zwischen der Position des Standplatzes des Kraftfahrzeuges und einer vorgebbaren Position eines Nutzers ermittelt. Daraufhin wird eine Wegbeschreibung des ermittelten Weges angezeigt. Die vorgebbare Position des Nutzers ist beispielsweise die Position des Abfragegerätes oder des Parkticketautomaten. Dies hat den weiteren Vorteil, dass der Kraftfahrzeughalter sich in der Parkanlage nicht weiter orientieren muss, sondern nur der Wegbeschreibung zum Standort seines Kraftfahrzeuges folgen muss.According to a further advantageous embodiment of the invention, a path between the position of the parking space of the motor vehicle and a predeterminable position of a user is determined. Then a route description of the determined path is displayed. The predefinable position of the user is, for example, the position of the interrogator or the parking ticket machine. This has the further advantage that the motor vehicle owner does not have to orientate himself further in the park, but only has to follow the directions to the location of his motor vehicle.

Nach einer weiteren Ausgestaltung wird die Position des Standplatzes des Kraftfahrzeuges angezeigt, in dem über Leuchtmittel der Standplatz in einer vorgebbaren Weise illuminiert wird. So ist beispielsweise vorgesehen, dass nach dem Bezahlen des Parktickets das entsprechende Kraftfahrzeug durch eine hellere Beleuchtung oder eine andere Beleuchtungsfarbe kenntlich gemacht wird. Auf diese Weise kann der Kraftfahrzeughalter sein Kraftfahrzeug leichter finden. Weiterhin kann das Kraftfahrzeug durch einen spezifischen Beleuchtungscode, wie beispielsweise rot-blaues Blinken, sichtbar gemacht werden. Beim Bezahlen des Parktickets wird dieser spezifische Beleuchtungscode dem Kraftfahrzeughalter mitgeteilt.According to a further embodiment, the position of the parking space of the motor vehicle is displayed, in which the stand is illuminated in a predeterminable manner via lighting means. For example, it is provided that after paying the parking ticket the corresponding motor vehicle is indicated by a brighter illumination or another illumination color. In this way, the vehicle owner can find his car easier. Furthermore, the motor vehicle can be made visible by a specific lighting code, such as red-blue flashing. When paying for the parking ticket, this specific lighting code is communicated to the vehicle owner.

Die vorliegende Erfindung wird nachfolgend an einem Ausführungsbeispiel anhand der Zeichnung näher erläutert.
Es zeigt

Figur 1
eine Darstellung einer möglichen Anordnung zum Ein- satz des erfindungsgemäßen Verfahrens zur Standort- ermittlung für ein Kraftfahrzeug.
The present invention will be explained in more detail using an exemplary embodiment with reference to the drawing.
It shows
FIG. 1
an illustration of a possible arrangement for use of the method according to the invention for determining the location of a motor vehicle.

Die Figur 1 zeigt eine Parkanlage 1 mit drei dort abgestellten Kraftfahrzeugen 2, 3, 4. Über zumindest eine Videokamera 5 werden Videobilder der gesamten Parkanlage 1 aufgenommen. Weiterhin zeigt die Figur 1 einen Parkticketautomaten 6, der einerseits zum Bezahlen der Parktickets dient und andererseits zur Abfrage des Standortes eines Kraftfahrzeuges benutzt wird.The FIG. 1 shows a park 1 with three parked there vehicles 2, 3, 4. About at least one video camera 5 video images of the entire park 1 are recorded. Furthermore, the shows FIG. 1 a parking ticket machine 6, which serves on the one hand to pay the parking tickets and on the other is used to query the location of a motor vehicle.

Fährt nun ein Kraftfahrzeug in die Parkanlage 1 ein, wird zunächst eine automatische Nummernschilderkennung mit Hilfe einer Videokamera 5 vorgenommen.Now drives a motor vehicle in the park 1, an automatic license plate recognition using a video camera 5 is initially made.

Zur automatischen Nummernschilderkennung werden üblicherweise auf das aufgenommene Videobild eine Reihe von Algorithmusschritten angewandt. Zunächst wird in dem Videobild die Position des Nummernschildes erkannt. Hieraufhin werden in einem Bildvorverarbeitungsschritt Unterschiede in der räumlichen Lage und in der Größe des Nummernschildes kompensiert. Weiterhin werden die Helligkeit und der Kontrast des Bildes optimiert. Anschließend werden in einer Segmentierung die einzelnen Zeichen des Nummernschildes identifiziert und unterschiedlichen Bereichen zugeordnet. Letztlich werden durch Merkmalsextraktionsverfahren den einzelnen Zeichen Merkmale zugeordnet und durch eine Klassifikation einzelnen alphanumerischen Zeichen zugewiesen.For automatic number plate recognition, a series of algorithm steps are usually applied to the recorded video image. First, the position of the license plate is detected in the video image. Hereupon, differences in the spatial position and in the size of the license plate are compensated in an image preprocessing step. Furthermore, the brightness and contrast of the image are optimized. Subsequently, the individual characters of the license plate are identified in a segmentation and assigned to different areas. Finally, feature extraction methods assign features to the individual characters and assign them to individual alphanumeric characters by classification.

Während das Kraftfahrzeug 2 auf den endgültigen Standplatz in der Parkanlage 1 manövriert wird, werden weiterhin Videobilder von dem Kraftfahrzeug 2 aufgenommen, anhand derer das Kraftfahrzeug 2 bis auf seinen endgültigen Standplatz verfolgt wird.While the motor vehicle 2 is being maneuvered to the final stand in the parking facility 1, video images are still taken by the motor vehicle 2, by means of which the motor vehicle 2 is tracked to its final stand.

Alternativ ist es auch möglich Videobildaufnahmen von Standplätzen in der Parkanlage aufzunehmen und einer vorgebbaren Regel gemäß eine Nummernschilderkennung von Kraftfahrzeugen auf den aufgenommen Standplätzen vorzunehmen. In einer Datenbank werden die erkannten Nummernschilder und die entsprechenden Standplätze in der Parkanlage einander zugeordnet.Alternatively, it is also possible to record video image recordings of stands in the park and to make a predefinable rule in accordance with a number plate recognition of motor vehicles on the recorded stands. In a database, the recognized number plates and the corresponding parking spaces in the park are assigned to each other.

Schließlich werden einer Identifizierungsinformation sowohl das Nummernschild als auch der ermittelte Standplatz des Kraftfahrzeuges zugeordnet und abgespeichert.Finally, both the license plate and the determined parking space of the motor vehicle are assigned to an identification information and stored.

Der Kraftfahrzeughalter hat nun verschieden Möglichkeiten den Standplatz seines Kraftfahrzeuges in Erfahrung zu bringen. So kann er beispielsweise an einem dafür vorgesehenen Abfragegerät die Zeichenfolge seines Nummernschildes eingeben, woraufhin ihm der Standplatz seines Kraftfahrzeuges angezeigt wird. Dies erfolgt beispielsweise dadurch, dass auf einem Display des Abfragegerätes der Standort in deskriptiver und/oder illustrativer Form angezeigt wird oder die entsprechende Information durch das Abfragegerät ausgedruckt wird. Weiterhin ist es möglich, dass sich der Kraftfahrzeughalter an eine Servicekraft wendet und von dieser die gewünschte Information erhält.The vehicle owner now has various options to bring the stand of his motor vehicle in experience. So he can, for example, enter the string of his license plate at a dedicated interrogator, whereupon he is the stand of his vehicle displayed. This is done, for example, by displaying the location in descriptive and / or illustrative form on a display of the interrogator or by printing out the corresponding information by the interrogator. Furthermore, it is possible that the motor vehicle holder turns to a service force and receives the desired information from this.

Eine weitere Möglichkeit zur Erlangung der Information über den Standort des Kraftfahrzeuges ist, dass der Kraftfahrzeughalter beim Bezahlen des Parktickets die gewünschte Information angezeigt und/oder ausgedruckt bekommt. Hierbei wird das angefragte Kraftfahrzeug über das Parkticket identifiziert. Die Zuordnung des Parktickets zu dem Kraftfahrzeug erfolgt in diesem Fall beim Einfahren in die Parkanlage und der damit verbundenen automatischen Nummernschilderkennung.Another way to obtain the information about the location of the motor vehicle is that the motor vehicle owner when paying the parking ticket displays the desired information and / or gets printed. Here, the requested motor vehicle is identified by the parking ticket. The assignment of the parking ticket to the motor vehicle takes place in this case when entering the park and the associated automatic number plate recognition.

In einem weiteren Ausführungsbeispiel wird die Position des Kraftfahrzeugstandplatzes über Beleuchtungsmittel kenntlich gemacht. So ist es beispielsweise möglich, dass der Standplatz des Kraftfahrzeuges durch eine hellere Beleuchtung oder eine besondere Beleuchtungsfarbe sichtbar gemacht wird. Weiterhin ist es möglich den Standplatz durch ein spezifisches Beleuchtungsmuster kenntlich zu machen, wie beispielsweise ein rot-grünes Blinken. Der Kraftfahrzeughalter kann auf die spezifische Beleuchtungsform wiederum durch eine entsprechende Information aufmerksam gemacht werden, die entweder angezeigt und/oder ausgedruckt wird.In a further embodiment, the position of the motor vehicle stand is indicated by means of illumination. So it is possible, for example, that the parking space of the motor vehicle is made visible by a brighter lighting or a special illumination color. Furthermore, it is possible to identify the stand by a specific lighting pattern, such as a red-green flashing. The motor vehicle owner can in turn be alerted to the specific lighting form by appropriate information, which is either displayed and / or printed out.

Claims (6)

  1. Method for location of a motor vehicle in a parking lot, in which
    - the motor vehicle is identified by means of automatic number plate recognition when it drives into the parking lot,
    - the number plate and the parking space of the motor vehicle are assigned identification information and stored,
    - on request, by entering a least one part of the identification information, a position of the parking space of the motor vehicle is displayed,
    characterised in that
    - the parking space of the motor vehicle identified on the basis of the number plate is determined by means of a video image-based object tracking
  2. Method according to claim 1, with
    - a parking ticket being identified by parking ticket information,
    - the parking ticket information being additionally assigned to the identification information and stored.
  3. Method according to claim 1, with
    - a route between the position of the parking space and a predeterminable position of a user being established,
    - a route description of the route determined being displayed.
  4. Method according to claim 1, with
    the position of a parking space being displayed by the lighting of the parking space being illuminated in a predeterminable manner.
  5. Method according to claim 1, with
    the position of the parking space being displayed on a display means in a descriptive and/or illustrative form.
  6. Method according to claim 1, with
    the request being made by entering the number plate or the parking ticket.
EP07858215A 2007-01-16 2007-12-28 Location of a motor vehicle in a car park Active EP2102837B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007002198A DE102007002198A1 (en) 2007-01-16 2007-01-16 Location of a motor vehicle in a park
PCT/EP2007/064624 WO2008086940A1 (en) 2007-01-16 2007-12-28 Location of a motor vehicle in a car park

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Publication Number Publication Date
EP2102837A1 EP2102837A1 (en) 2009-09-23
EP2102837B1 true EP2102837B1 (en) 2010-09-01

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US (1) US20090315738A1 (en)
EP (1) EP2102837B1 (en)
AT (1) ATE479979T1 (en)
DE (2) DE102007002198A1 (en)
WO (1) WO2008086940A1 (en)

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EP2102837A1 (en) 2009-09-23
DE102007002198A1 (en) 2008-07-31
DE502007004966D1 (en) 2010-10-14
ATE479979T1 (en) 2010-09-15
US20090315738A1 (en) 2009-12-24
WO2008086940A1 (en) 2008-07-24

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