EP1469427A2 - Apparatus for recording data related to a vehicle accident - Google Patents

Apparatus for recording data related to a vehicle accident Download PDF

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Publication number
EP1469427A2
EP1469427A2 EP04002016A EP04002016A EP1469427A2 EP 1469427 A2 EP1469427 A2 EP 1469427A2 EP 04002016 A EP04002016 A EP 04002016A EP 04002016 A EP04002016 A EP 04002016A EP 1469427 A2 EP1469427 A2 EP 1469427A2
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EP
European Patent Office
Prior art keywords
sensor
data
tire
accident
vehicle tire
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.)
Withdrawn
Application number
EP04002016A
Other languages
German (de)
French (fr)
Other versions
EP1469427A3 (en
Inventor
Andreas Dr. Esser
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.)
Continental AG
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Continental AG
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Filing date
Publication date
Application filed by Continental AG filed Critical Continental AG
Publication of EP1469427A2 publication Critical patent/EP1469427A2/en
Publication of EP1469427A3 publication Critical patent/EP1469427A3/en
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00Registering or indicating the working of vehicles
    • G07C5/08Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841Registering performance data
    • G07C5/085Registering performance data using electronic data carriers

Definitions

  • the invention relates to a device for storing accident-related data Motor vehicle.
  • Accident data recorders known for whom data that may be relevant for an accident, e.g. via the low beam or the flashing light, at least temporarily. Such data recorders can be used for later reconstruction of the accident, especially in the case of the fault of the accident.
  • DE 34 05 757 A1 describes such an accident data recorder, in which in particular the wheel speed and acceleration values of the vehicle from corresponding sensors are recorded and stored in a closed counting loop and be overwritten cyclically, whereby the cyclic data overwrite if available of an accident signal is ended after a predetermined follow-up time.
  • a major disadvantage of current accident data recorder systems is that that the accident data recorder made no statement about the road condition or the dynamic state of motion of the vehicle enables that significant Can be accident factors. For an accurate accident reconstruction, it is often crucial that a detailed statement about the dynamic state of motion shortly before Accident event can be taken.
  • the invention has for its object to provide a device with which a simple way the informative value of an accident data recorder for a later one Accident reconstruction is increased.
  • the task is solved according to the generic term and the characteristic features of claim 1 characterized in that the evaluation unit data of at least one in one Vehicle tire arranged sensor receives.
  • An advantage of the invention can be seen in particular in that the one arranged in the tire Sensor measurement data about the individual tire conditions shortly before the accident records. With the measurement data, it is possible to increase the forces acting on the tire to determine, for example, the dynamic state of motion of the vehicle to reconstruct in detail.
  • the sensor can simultaneously Tire condition and road condition can be determined, which are important accident factors can.
  • the Vehicle tire arranged sensor is a sidewall torsion sensor.
  • Sidewall torsion sensor which measures in particular the deformation of the tire sidewall, damage to the tire can be detected directly. In this way, determine whether a tire defect e.g. in the form of a tread replacement Has led to the accident.
  • the Vehicle tire arranged sensor is a pressure and / or temperature sensor.
  • a Pressure and temperature sensor could in particular be determined whether a insufficient tire pressure contributed to the cause of the accident.
  • the Sensor arranged vehicle tires a surface wave sensor or a piezo element sensor is. With this sensor, the coefficient of friction between tires and Lane can be determined. This could e.g. be reconstructed whether an oil film on it was the cause of the accident.
  • the Sensor tire identification data arranged on vehicle tires to the evaluation unit transmitted provide information about which one The tire manufacturer comes from and in which tire factory it was produced. This For example, data could become relevant in liability issues.
  • the Vehicle tire arranged sensor is a sensor for determining the profile state. With such a profile sensor could be reconstructed whether e.g. an insufficient one Profile depth contributed to the cause of the accident.
  • the data of the sensor arranged on the vehicle tire by radio transmission to the evaluation unit be transmitted.
  • the radio transmission of the data is a simple form of Data transmission that is particularly suitable for the rotating vehicle wheel.
  • FIG. 1 shows the device according to the invention, consisting of a motor vehicle 4 with four vehicle tires 5.
  • a sensor 1 is arranged in each vehicle tire 5, in particular in the form of a sidewall torsion sensor or in the form of a Subclaims mentioned sensor. It is also conceivable that several different ones Sensors 1 are arranged in the vehicle tire 5, so that different measuring and Characteristic data of the respective vehicle tire 5 can be recorded. While with that Sidewall torsion sensor can detect tire damage early on, at tire pressure can also be monitored using a pressure sensor.

Abstract

The device has a sensor (1) arranged in each vehicle tire (5). An evaluation unit (3) receives measurement data transmitted (2) from at least one sensor and stores it. The sensor (1) can detect, e.g. side wall torsion, pressure and/or temperature, and can be in form of a SAW sensor or piezoelement sensor.

Description

Die Erfindung betrifft eine Vorrichtung zum Speichern von unfallbezogenen Daten eines Kraftfahrzeuges.The invention relates to a device for storing accident-related data Motor vehicle.

Zur Aufzeichnung von unfallbezogenen Daten eines Kraftfahrzeugs sind Unfalldatenschreiber bekannt, bei denen für einen Unfall möglicherweise relevante Daten, z.B. über das Abblendlicht oder das Blinklicht, zumindest zeitweise gespeichert werden. Solche Unfalldatenschreiber können für eine spätere Rekonstruktion des Unfalls, insbesondere bei der Frage des Verschuldens des Unfalls, verwendet werden.For recording accident-related data of a motor vehicle Accident data recorders known for whom data that may be relevant for an accident, e.g. via the low beam or the flashing light, at least temporarily. Such data recorders can be used for later reconstruction of the accident, especially in the case of the fault of the accident.

Die DE 34 05 757 A1 beschreibt einen derartigen Unfalldatenschreiber, bei dem insbesondere die Raddrehzahl und Beschleunigungswerte des Fahrzeugs von entsprechenden Sensoren erfasst und in einer geschlossenen Zählschleife gespeichert und zyklisch überschrieben werden, wobei die zyklische Datenüberschreibung bei Vorliegen eines Unfallsignals nach einer vorgegebenen Nachlaufzeit beendet wird.DE 34 05 757 A1 describes such an accident data recorder, in which in particular the wheel speed and acceleration values of the vehicle from corresponding sensors are recorded and stored in a closed counting loop and be overwritten cyclically, whereby the cyclic data overwrite if available of an accident signal is ended after a predetermined follow-up time.

Ein wesentlicher Nachteil von derzeitigen Unfalldatenschreibersystemen ist darin zu sehen, dass der Unfalldatenschreiber keine Aussage über den Straßenzustand oder den dynamischen Bewegungszustand des Fahrzeuges ermöglicht, die bedeutende Unfallfaktoren sein können. Für eine genaue Unfallrekonstruktion ist es oft entscheidend, dass eine detaillierte Aussage über den dynamischen Bewegungszustand kurz vor dem Unfallereignis getroffen werden kann.A major disadvantage of current accident data recorder systems is that that the accident data recorder made no statement about the road condition or the dynamic state of motion of the vehicle enables that significant Can be accident factors. For an accurate accident reconstruction, it is often crucial that a detailed statement about the dynamic state of motion shortly before Accident event can be taken.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zu schaffen, mit welcher auf eine einfache Weise die Aussagekraft eines Unfalldatenschreibers für eine spätere Unfallrekonstruktion gesteigert wird. The invention has for its object to provide a device with which a simple way the informative value of an accident data recorder for a later one Accident reconstruction is increased.

Gelöst wird die Aufgabe gemäß dem Oberbegriff und den kennzeichnenden Merkmalen von Anspruch 1 dadurch, das die Auswerteeinheit Daten von mindestens einem in einem Fahrzeugreifen angeordneten Sensor empfängt.The task is solved according to the generic term and the characteristic features of claim 1 characterized in that the evaluation unit data of at least one in one Vehicle tire arranged sensor receives.

Ein Vorteil der Erfindung ist insbesondere darin zu sehen, dass der im Reifen angeordnete Sensor Messdaten über die einzelnen Reifenzustände kurz vor dem Unfallereignis aufzeichnet. Mit den Messdaten ist es u.a. möglich, die am Reifen wirkenden Kräfte zu ermitteln, um dadurch beispielsweise den dynamischen Bewegungszustand des Fahrzeuges detailliert zu rekonstruieren. Außerdem kann mit diesem Sensor gleichzeitig der Reifenzustand und der Straßenzustand ermittelt werden, die wichtige Unfallfaktoren sein können.An advantage of the invention can be seen in particular in that the one arranged in the tire Sensor measurement data about the individual tire conditions shortly before the accident records. With the measurement data, it is possible to increase the forces acting on the tire to determine, for example, the dynamic state of motion of the vehicle to reconstruct in detail. In addition, the sensor can simultaneously Tire condition and road condition can be determined, which are important accident factors can.

In einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass der im Fahrzeugreifen angeordnete Sensor ein Seitenwandtorsions-Sensor ist. Mit einem solchen Seitenwandtorsions-Sensor, der insbesondere die Verformung der Reifenseitenwand misst, kann direkt ein Schaden am Reifen dedektiert werden. Auf diese Weise ließe sich somit feststellen, ob ein Reifendefekt z.B. in Form einer Laufstreifenablösung zum Unfallereignis geführt hat.In an advantageous development of the invention it is provided that the Vehicle tire arranged sensor is a sidewall torsion sensor. With one Sidewall torsion sensor, which measures in particular the deformation of the tire sidewall, damage to the tire can be detected directly. In this way, determine whether a tire defect e.g. in the form of a tread replacement Has led to the accident.

In einer weiteren vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass der im Fahrzeugreifen angeordnete Sensor ein Druck- und/oder Temperatur-Sensor ist. Mit einem Druck- und Temperatursensor könnte insbesondere festgestellt werden, ob ein unzureichender Reifendruck zur Unfallursache beigetragen hat.In a further advantageous development of the invention it is provided that the Vehicle tire arranged sensor is a pressure and / or temperature sensor. With a Pressure and temperature sensor could in particular be determined whether a insufficient tire pressure contributed to the cause of the accident.

In einer weiteren vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass der im Fahrzeugreifen angeordnete Sensor ein Oberflächenwellen-Sensor oder ein Piezoelement-Sensor ist. Mit diesem Sensor kann indirekt der Reibbeiwert zwischen Reifen und Fahrbahn bestimmt werden. Dadurch könnte z.B. rekonstruiert werden, ob ein Ölfilm auf der Fahrbahn eine Unfallursache war. In a further advantageous development of the invention it is provided that the Sensor arranged vehicle tires a surface wave sensor or a piezo element sensor is. With this sensor, the coefficient of friction between tires and Lane can be determined. This could e.g. be reconstructed whether an oil film on it was the cause of the accident.

In einer weiteren vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass der im Fahrzeugreifen angeordnete Sensor Reifenidentifikations-Daten an die Auswerteeinheit übermittelt. Die Reifenidentifikationsdaten geben Aufschluss darüber, von welchem Hersteller der Reifen stammt und in welchem Reifenwerk dieser produziert wurde. Diese Daten könnten beispielsweise in Haftungsfragen relevant werden.In a further advantageous development of the invention it is provided that the Sensor tire identification data arranged on vehicle tires to the evaluation unit transmitted. The tire identification data provide information about which one The tire manufacturer comes from and in which tire factory it was produced. This For example, data could become relevant in liability issues.

In einer weiteren vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass der im Fahrzeugreifen angeordnete Sensor ein Sensor zur Ermittlung des Profilzustandes ist. Mit einem solchen Profilsensor könnte rekonstruiert werden, ob z.B. eine ungenügende Profiltiefe zur Unfallursache beigetragen hat.In a further advantageous development of the invention it is provided that the Vehicle tire arranged sensor is a sensor for determining the profile state. With such a profile sensor could be reconstructed whether e.g. an insufficient one Profile depth contributed to the cause of the accident.

In einer weiteren vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die Daten des am Fahrzeugreifen angeordneten Sensors per Funkübertragung an die Auswerteeinheit übermittelt werden. Die Funkübertragung der Daten ist eine einfache Form der Datenübertragung, die sich insbesondere für das rotierende Fahrzeugrad eignet.In a further advantageous development of the invention it is provided that the data of the sensor arranged on the vehicle tire by radio transmission to the evaluation unit be transmitted. The radio transmission of the data is a simple form of Data transmission that is particularly suitable for the rotating vehicle wheel.

Anhand eines Ausführungsbeispiels soll die Erfindung näher erläutert werden.The invention will be explained in more detail using an exemplary embodiment.

Die Figur 1 zeigt die erfindungsgemäße Vorrichtung, bestehend aus einem Kraftfahrzeug 4 mit vier Fahrzeugreifen 5. In jedem Fahrzeugreifen 5 ist jeweils ein Sensor 1 angeordnet, insbesondere in Form eines Seitenwandtorsions-Sensors oder in Form eines in den Unteransprüchen genannten Sensors. Denkbar ist ebenfalls, dass mehrere verschiedene Sensoren 1 im Fahrzeugreifen 5 angeordnet sind, so dass verschiedene Mess- und Kenndaten des jeweiligen Fahrzeugreifens 5 erfasst werden können. Während mit dem Seitenwandtorsions-Sensor frühzeitig ein Reifenschaden feststellbar ist, kann bei gleichzeitigem Einsatz eines Drucksensors ebenfalls der Reifendruck überwacht werden. Im Radkasten oder im Bereich der Radachse ist eine Sende- und Empfangseinheit 2 angeordnet, an den die vom Sensor 1 erfassten Daten per Funkübertragung weitergeleitet werden. Anschließend werden die Daten an eine zentrale Auswerteeinheit 3 übermittelt, den eigentlichen Unfalldatenschreiber. FIG. 1 shows the device according to the invention, consisting of a motor vehicle 4 with four vehicle tires 5. A sensor 1 is arranged in each vehicle tire 5, in particular in the form of a sidewall torsion sensor or in the form of a Subclaims mentioned sensor. It is also conceivable that several different ones Sensors 1 are arranged in the vehicle tire 5, so that different measuring and Characteristic data of the respective vehicle tire 5 can be recorded. While with that Sidewall torsion sensor can detect tire damage early on, at tire pressure can also be monitored using a pressure sensor. There is a transmitting and receiving unit 2 in the wheel arch or in the area of the wheel axle arranged to which the data recorded by sensor 1 is forwarded by radio transmission become. The data are then transmitted to a central evaluation unit 3, the actual accident data recorder.

Denkbar ist auch, dass die Daten direkt per Funkübertragung vom Sensor 1 zur Auswerteeinheit 3 übermittelt werden. In der Auswerteeinheit 3 werden schließlich alle Daten aufgezeichnet und für eine Unfallrekonstruktion bereitgestellt. It is also conceivable for the data to be transmitted directly from sensor 1 to Evaluation unit 3 are transmitted. Finally, all are in the evaluation unit 3 Data recorded and made available for accident reconstruction.

BezugszeichenlisteLIST OF REFERENCE NUMBERS (ist Teil der Beschreibung)(is part of the description)

11
Sensorsensor
22
Sende- und EmpfangseinheitSending and receiving unit
33
Zentrale AuswerteeinheitCentral evaluation unit
44
Kraftfahrzeugmotor vehicle
55
Fahrzeugreifenvehicle tires

Claims (7)

Vorrichtung zum Speichern von unfallbezogenen Daten eines Kraftfahrzeuges (5) bei dem Sensoren Daten erfassen und die Daten in einer Auswerteeinheit (3) gespeichert werden,
dadurch gekennzeichnet, dass
die Auswerteeinheit (3) Daten von mindestens einem in einem Fahrzeugreifen (5) angeordneten Sensor (1) empfängt.
Device for storing accident-related data of a motor vehicle (5) in which sensors record data and the data are stored in an evaluation unit (3),
characterized in that
the evaluation unit (3) receives data from at least one sensor (1) arranged in a vehicle tire (5).
Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass
der im Fahrzeugreifen angeordnete Sensor ein Seitenwandtorsions-Sensor ist.
Device according to claim 1,
characterized in that
the sensor arranged in the vehicle tire is a sidewall torsion sensor.
Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass
der im Fahrzeugreifen (5) angeordnete Sensor (1) ein Druck- und/oder Temperatur-Sensor ist.
Device according to claim 1 or 2,
characterized in that
the sensor (1) arranged in the vehicle tire (5) is a pressure and / or temperature sensor.
Vorrichtung nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass
der im Fahrzeugreifen (5) angeordnete Sensor (1) ein Oberflächenwellen-Sensor oder ein Piezoelement-Sensor ist.
Device according to one of claims 1 to 3,
characterized in that
the sensor (1) arranged in the vehicle tire (5) is a surface wave sensor or a piezo element sensor.
Vorrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass
der im Fahrzeugreifen (5) angeordnete Sensor (1) Reifenidentifikations-Daten an die Auswerteeinheit (3) übermittelt.
Device according to one of claims 1 to 4,
characterized in that
the sensor (1) arranged in the vehicle tire (5) transmits tire identification data to the evaluation unit (3).
Vorrichtung nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass
der im Fahrzeugreifen (5) angeordnete Sensor (1) ein Sensor zur Ermittlung des Profilzustandes ist.
Device according to one of claims 1 to 5,
characterized in that
the sensor (1) arranged in the vehicle tire (5) is a sensor for determining the profile state.
Vorrichtung nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass
die Daten des am Fahrzeugreifen (5) angeordneten Sensors (1) per Funkübertragung an die Auswerteeinheit (3) übermittelt werden.
Device according to one of claims 1 to 6,
characterized in that
the data of the sensor (1) arranged on the vehicle tire (5) are transmitted to the evaluation unit (3) by radio transmission.
EP04002016A 2003-04-17 2004-01-30 Apparatus for recording data related to a vehicle accident Withdrawn EP1469427A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003117641 DE10317641A1 (en) 2003-04-17 2003-04-17 Device for storing accident-related data of a motor vehicle
DE10317641 2003-04-17

Publications (2)

Publication Number Publication Date
EP1469427A2 true EP1469427A2 (en) 2004-10-20
EP1469427A3 EP1469427A3 (en) 2005-12-07

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EP04002016A Withdrawn EP1469427A3 (en) 2003-04-17 2004-01-30 Apparatus for recording data related to a vehicle accident

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EP (1) EP1469427A3 (en)
DE (1) DE10317641A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303076A (en) * 2013-06-17 2013-09-18 天津云视科技发展有限公司 Real-time automobile tire pressure monitoring device using acoustic surface wave pressure sensors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005012909B4 (en) * 2005-03-14 2009-07-23 Deutsches Zentrum für Luft- und Raumfahrt e.V. Device for detecting damage to a motor vehicle

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US5483327A (en) * 1993-04-20 1996-01-09 Canon Kabushiki Kaisha Toner for developing electrostatic image, forming apparatus and process cartridge
US5825286A (en) * 1995-05-08 1998-10-20 Semisystems, Inc. Vehicular data collection and transmission system and method
DE19924830A1 (en) * 1999-05-29 2000-11-30 Fachhochschule Offenburg Hochs Electronic tire pressure, temperature and wear monitoring system has a transponder component group and radial coil molded into the tire wall and transmits signals to a vehicle mounted transceiver
US6246933B1 (en) * 1999-11-04 2001-06-12 BAGUé ADOLFO VAEZA Traffic accident data recorder and traffic accident reproduction system and method
DE10122953A1 (en) * 2000-10-20 2002-05-02 Continental Teves Ag & Co Ohg Handling defect or wear events in vehicle components involves storing parameters representing type, degree, duration of defect or wear for subsequent call-up or notification.
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DE10119352C1 (en) * 2001-04-20 2002-11-28 Autoliv Dev Vehicle tyre profile characteristics determination method uses near-field radar sensor detecting microwaves reflected by tyre surface

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019507A1 (en) * 1990-06-19 1992-01-02 Mannesmann Kienzle Gmbh DEVICE FOR DATA COLLECTION IN A MOTOR VEHICLE
US5483327A (en) * 1993-04-20 1996-01-09 Canon Kabushiki Kaisha Toner for developing electrostatic image, forming apparatus and process cartridge
US5825286A (en) * 1995-05-08 1998-10-20 Semisystems, Inc. Vehicular data collection and transmission system and method
DE19924830A1 (en) * 1999-05-29 2000-11-30 Fachhochschule Offenburg Hochs Electronic tire pressure, temperature and wear monitoring system has a transponder component group and radial coil molded into the tire wall and transmits signals to a vehicle mounted transceiver
US6246933B1 (en) * 1999-11-04 2001-06-12 BAGUé ADOLFO VAEZA Traffic accident data recorder and traffic accident reproduction system and method
DE10122953A1 (en) * 2000-10-20 2002-05-02 Continental Teves Ag & Co Ohg Handling defect or wear events in vehicle components involves storing parameters representing type, degree, duration of defect or wear for subsequent call-up or notification.
WO2002084575A1 (en) * 2001-04-17 2002-10-24 Continental Teves Ag & Co. Ohg Method and device for providing a motor vehicle with data
DE10119352C1 (en) * 2001-04-20 2002-11-28 Autoliv Dev Vehicle tyre profile characteristics determination method uses near-field radar sensor detecting microwaves reflected by tyre surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303076A (en) * 2013-06-17 2013-09-18 天津云视科技发展有限公司 Real-time automobile tire pressure monitoring device using acoustic surface wave pressure sensors

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Publication number Publication date
DE10317641A1 (en) 2004-11-11
EP1469427A3 (en) 2005-12-07

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