EP0994448B1 - Method and device to select traffic information for a vehicle - Google Patents

Method and device to select traffic information for a vehicle Download PDF

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Publication number
EP0994448B1
EP0994448B1 EP99119369A EP99119369A EP0994448B1 EP 0994448 B1 EP0994448 B1 EP 0994448B1 EP 99119369 A EP99119369 A EP 99119369A EP 99119369 A EP99119369 A EP 99119369A EP 0994448 B1 EP0994448 B1 EP 0994448B1
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EP
European Patent Office
Prior art keywords
motor vehicle
traffic information
selection
travel
filter
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.)
Expired - Lifetime
Application number
EP99119369A
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German (de)
French (fr)
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EP0994448A2 (en
EP0994448A3 (en
Inventor
Uwe Pertz
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Nokia Oyj
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Nokia Oyj
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Publication of EP0994448A2 publication Critical patent/EP0994448A2/en
Publication of EP0994448A3 publication Critical patent/EP0994448A3/en
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Publication of EP0994448B1 publication Critical patent/EP0994448B1/en
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station

Definitions

  • the invention relates to a method and to a device for the selection of traffic information for a motor vehicle.
  • a thing Method and such a device are already well known.
  • the driver of a Motor vehicle before the start of a ride one installed in the vehicle Telematics terminal tell, for which geographical area he Traffic information wishes.
  • appropriate information in the telematics terminal are entered manually, such as that the driver in the future only within a city to move wishes or intends, for example, on an overland route or Highway to a distant destination.
  • traffic information is displayed or communicated to him for a circular area with a predetermined radius around the Motor vehicle is relevant around.
  • the driver can also change the size of the radius itself.
  • the driver only transmitted traffic information for a predetermined Area around the motor vehicle and for that area applies in which the motor vehicle is moving in the direction of the destination.
  • the area for which relevant traffic information is obtained quasi keyhole-shaped. Again, you can Radius and distances selected by the driver before starting the journey or specified by the system.
  • a disadvantage of the known method is that the driver before driving the respective areas for which he wishes traffic information, must select yourself.
  • suitable filter parameters in the Telematics terminal can be entered by the out of a large amount traffic information only filters out those who are on refers to the area selected by the driver.
  • filter parameters for the selection of traffic information not desirable, however, as it adds an extra burden representing the driver and possibly distracting him if he makes a setting while driving.
  • the invention is based on the object, a method and an apparatus of the aforementioned type so that a simpler and less time-consuming yet highly accurate selection of areas, is desired for the traffic information is possible.
  • the movement profile of the motor vehicle can to different Be determined manner, for example, by on-vehicle Accelerometers and direction sensors on the one hand or on the other hand by radio position sensors operating in conjunction with timepieces, about GPS receiver, and the like. Along with the movement profile of the motor vehicle then serves its current position to select the relevant traffic information, so to choose of that area, for the traffic information on the part of the driver it is asked for.
  • the selection of the traffic information for example, directly take place in the telematics terminal of the motor vehicle, for example, then if traffic information for very large geographical areas of public Emitters emitted by the mass of road users Will be received.
  • the one for the very large geographical Territories applicable traffic information in a telematics terminal the motor vehicle belonging traffic information memory cached and with each broadcasting cycle of public broadcasters updated or brought up to date. From this cached so Traffic information then becomes relevant to the driver Traffic information depending on the movement profile of the Motor vehicle filtered out or selected, depending on of filter parameters due to the motion profile of the motor vehicle to be generated.
  • the selection can additionally in Dependent on changes in the direction of travel of the motor vehicle. Travels the motor vehicle at a relatively low average speed and occur at the same time relatively high mean changes in direction of the Direction, it is assumed that the motor vehicle within of a city area. In this case, the area for the traffic information is to be transmitted to the driver, circular wrapped around the motor vehicle, and with a relatively narrow radius. In contrast, the motor vehicle moves at a relatively high average speed (above the given speed value) and occur at the same time relatively small mean changes in direction of the direction of travel of the motor vehicle, it is assumed that the Motor vehicle on a freeway or freeway towards a moved to a distant destination. In this case, the filter parameters become selected or generated so that the traffic information relevant Area extends in the direction of the route to the destination, as already mentioned above.
  • the motor vehicle When starting the motor vehicle is generally still no movement profile of the motor vehicle, so that then traffic information automatically from a circular area of predetermined radius the motor vehicle is selected around, in which case the radius is relatively large. After recording the movement profile of the motor vehicle then the radius can be reduced accordingly when the motor vehicle remains in the city area, or it becomes the relevant area for Traffic information hose towards a more distant destination extended, if the movement profile of the motor vehicle accordingly changes.
  • speeds and direction changes of the motor vehicle is determined in each case at predetermined time intervals, to keep the traffic information selection as up to date as possible.
  • new filter parameters are thus each time due to the respectively obtained during said periods of time mean speed and directional values generated, what a ensures some momentum of the selection process.
  • the filter parameters valid for the respective periods constantly updated and related to the location of the motor vehicle traffic information filtered out or selected, while on the other hand the traffic information stored in the traffic information memory always updated and overwritten accordingly can be.
  • a device for the selection of traffic information for a motor vehicle Contains a filter device that depends on filter parameters Traffic information only for a given geographic area lets through; a filter parameter generator for automatic Generation of the filter parameters only as a function of a time-dependent Motion profile of the motor vehicle and its current position; and an output device to output the transmitted traffic information.
  • the filter parameter generator is doing with a device for speed and delivery Direction of the vehicle and a device for detecting the current vehicle position connected.
  • Such a device may be, for example, in a telematics terminal located in a motor vehicle.
  • Telematics terminal would then be the filter parameter generator on the input side with a device for the delivery of the movement profile connect the motor vehicle, this device for Example speed and direction of travel, possibly derived therefrom Average values, transmits to the filter parameter generating device.
  • the Output device would then be an optical or acoustic display device for transmitting the selected traffic information to the Driver of the motor vehicle.
  • the filter device with an input-side storage device for storing received Traffic information to be connected.
  • the filter parameter generating means a receiver connected, which receives the motion profile from the motor vehicle and its position and to the filter parameter generator transfers.
  • the output device would be then a transmitter means for selecting the selected traffic information to transfer to the requesting motor vehicle.
  • the filter parameter generator could in this case but also in the motor vehicle be accommodated, so that only the Filterparamater to the transmitting end would be available to transmit existing filter device.
  • a telematics terminal 2 inside a motor vehicle 1 a telematics terminal 2, of which only those relevant to the invention Blocks are shown.
  • the telematics terminal 2 includes a filter device 3, the traffic information supplied to it depending on filter parameters 4 filters. Filtered traffic information 5 then passes to an output device 6, the output side with the filter device 3 is connected and to output the filtered traffic information 5 serves, for example, optically or acoustically.
  • the traffic information supplied to the filter device 3 4 is dependent on filter parameters 7 derived from a filter parameter generator 8 output and the filter device 3 are transmitted. These filter parameters 7 are input to one Filter algorithm used by the filter device 3 for filtering the Traffic information 4 is executed.
  • At the traffic information 4 is coded information in that it is an indication contains about the place to which it applies.
  • the traffic information 4 is in one Traffic information memory 10 cached in the constantly updated traffic information 4 of for example public Stations will be re-saved, with no longer valid traffic information is deleted or overwritten.
  • This device 9 may be, for example, a those acting directly on the movement profile of the motor vehicle 1 detected, that is local. It does not have to detect the absolute position of the vehicle. For this purpose, other facilities are available, for example a GPS receiver, or the like. Rather, it is sufficient if the Setup 9 only the current direction and speed values of the motor vehicle detected. From these directional and speed values, from which also mean directions and speed values can be determined are then by the filter parameter generating device 8 shows the associated filter parameters 7, for example based on a suitable table.
  • the device according to the invention initialized becomes. After a short time, the first filtered traffic information reaches him, which is displayed on the output device 6, for example.
  • This initial value characterizes a circular area 11 around the motor vehicle 1 around and has a predetermined radius R as shown in FIG.
  • the whole received traffic information 4 is thereby using the filter device 3 filtered.
  • the predetermined radius R has a mean Size of for example 50 km up, since at that time still not exactly It is known whether the motor vehicle will only move locally or one Long distance travel is intended.
  • the facility After the vehicle has been driving for a short time, the facility will 9 shows the first movement data to the filter parameter generation device 8 delivered.
  • the filter parameters For example, drives the vehicle with relative low average speed and relatively high mean directional changes on, it is based on these measures in the filter parameter generating device 8 found that the vehicle is within located in a city area.
  • the filter parameters become 7 set accordingly, on a circle 12 around the motor vehicle around with a radius R1, for example, at about 25 km is, as can be seen in Figure 3. This may be the minimum Radius act.
  • the middle speed and the mean directional deviation does not change, so the driver of the Motor vehicle only transmitted traffic information, which is exclusive refers to this small area 12. Traffic information 4 for areas outside of this circular area is suppressed; she but remains stored in the traffic information memory 10 until, it is overwritten.
  • the filter parameter generator 8 determines suitable other filter parameters 7 selected to receive traffic information for only one area, which is essentially in the now valid middle direction of the vehicle. This is the area 13 in FIG 3.
  • information for the area 12 becomes the driver transmitted.
  • the filter parameters 7 are thus set, that information is obtained for the areas 12 and 13 shown in FIG is, so for a substantially keyhole-shaped area.
  • 13 is essentially characterized by the radius R1, the middle or estimated direction of travel and one on this middle Direction of travel estimated estimated or predetermined opening angle W.
  • the selection of the traffic information is repeated performed, with the appropriate data in terms of speed and the directional deviation over a period of time of about 10 minutes can be collected to make it the middle one To obtain values.
  • the minimum time interval of the selection can therefore also be 10 minutes or more, so when driving for example on a Highway the keyhole-shaped area structure 12, 13 repeated is generated.
  • the filter parameters are generated repeatedly, to constantly have the opportunity to be at the place of the Motor vehicle related traffic information to the driver can.

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  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
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Description

Die Erfindung bezieht sich auf ein Verfahren sowie auf eine Vorrichtung zur Selektion von Verkehrsinformation für ein Kraftfahrzeug. Ein derartiges Verfahren bzw. eine derartige Vorrichtung sind bereits allgemein bekannt. Nach herkömmlichem Stand der Technik kann der Fahrer eines Kraftfahrzeugs vor Beginn einer Fahrt einem im Kraftfahrzeug installierten Telematik-Endgerät mitteilen, für welchen geographischen Bereich er Verkehrsinformation wünscht. Hierzu muß entsprechende Information in das Telematik-Endgerät manuell eingegeben werden, etwa dahingehend, daß sich der Fahrer zukünftig nur innerhalb einer Stadt zu bewegen wünscht oder beabsichtigt, zum Beispiel auf einer Überlandstrecke oder Autobahn ein entfernteres Ziel anzusteuern. Im zuerst genannten Fall wird ihm dann nur Verkehrsinformation angezeigt bzw. mitgeteilt, die für einen kreisförmigen Bereich mit einem vorbestimmten Radius um das Kraftfahrzeug herum relevant ist. Dabei kann der Fahrer auch die Größe des Radius selbst festlegen. Demgegenüber wird im zuletzt genannten Fall dem Fahrer nur Verkehrsinformation übermittelt, die für einen vorbestimmten Bereich um das Kraftfahrzeug herum und für denjenigen Bereich gilt, in welchem sich das Kraftfahrzeug in Richtung auf das Ziel bewegt. Im zweiten Fall ist der Bereich, für den relevante Verkehrsinformation erhalten wird, quasi schlüssellochförmig ausgebildet. Auch hier können Radien und Entfernungen vom Fahrer vor Antritt der Fahrt frei gewählt oder vom System vorgegeben werden.The invention relates to a method and to a device for the selection of traffic information for a motor vehicle. Such a thing Method and such a device are already well known. According to conventional prior art, the driver of a Motor vehicle before the start of a ride one installed in the vehicle Telematics terminal tell, for which geographical area he Traffic information wishes. For this purpose, appropriate information in the telematics terminal are entered manually, such as that the driver in the future only within a city to move wishes or intends, for example, on an overland route or Highway to a distant destination. In the first case then only traffic information is displayed or communicated to him for a circular area with a predetermined radius around the Motor vehicle is relevant around. The driver can also change the size of the radius itself. In contrast, in the latter case the driver only transmitted traffic information for a predetermined Area around the motor vehicle and for that area applies in which the motor vehicle is moving in the direction of the destination. In the second case is the area for which relevant traffic information is obtained, quasi keyhole-shaped. Again, you can Radius and distances selected by the driver before starting the journey or specified by the system.

Nachteilig bei dem bekannten Verfahren ist, daß der Fahrer vor Fahrtantritt die jeweiligen Bereiche, für die er Verkehrsinformation wünscht, selbst auswählen muß. Hierzu müssen geeignete Filterparameter in das Telematik-Endgerät eingegeben werden, durch die aus einer großen Menge von Verkehrsinformation nur diejenige herausgefiltert wird, die sich auf den vom Fahrer ausgewählten Bereich bezieht. Bei ständig zunehmender Anzahl von elektronischen Einrichtungen in einem Kraftfahrzeug ist die zusätzliche manuelle Eingabe von Filterparametern zur Auswahl von Verkehrsinformation jedoch nicht wunschenswert, da sie eine zusätzliche Belastung des Fahrers darstellt und ihn unter Umständen ablenken könnte, sofern er eine Einstellung während der Fahrt vornimmt. A disadvantage of the known method is that the driver before driving the respective areas for which he wishes traffic information, must select yourself. For this purpose, suitable filter parameters in the Telematics terminal can be entered by the out of a large amount traffic information only filters out those who are on refers to the area selected by the driver. With ever increasing Number of electronic devices in a motor vehicle is the additional manual input of filter parameters for the selection of traffic information not desirable, however, as it adds an extra burden representing the driver and possibly distracting him if he makes a setting while driving.

Aus der EP 0 789 343 A1 ist bereits ein Verfahren zur Selektion von empfangener oder zu sendender Verkehrsinformation in einem Fahrzeug bekannt, wobei die Selektion in Abhängigkeit vom Typ der Straße, die das Fahrzeug momentan befährt, erfolgt. Hier wird fahrzeugseitig eine abschnittsweise Bestimmung des geometrischen Fahrtverlaufs durchgeführt, wobei die Angaben zum jeweiligen Abschnitt des geometrischen Fahrtverlaufs mindestens die relative Lage des Anfangs- und Endpunkts dieses Abschnitts zueinander umfassen, und dieser Abschnitt des Fahrtverlaufs mit charakteristischen geometrischen Kenngrößen von Straßentypen verglichen wird, woraus der aktuell befahrene Straßentyp bestimmt und als Selektionskriterium benutzt wird. Kennzeichnend dabei ist es allerdings, daß keine Zeitbetrachtungen erforderlich sind, sondern daß man allein mit geometrischen Angaben über den Fahrtverlauf auskommt. From EP 0 789 343 A1 a method for the selection of received ones already exists or traffic information to be transmitted in a vehicle, the selection depending on the type of road that the Vehicle currently driving, takes place. Here is a section of the vehicle side Determination of the geometric course of the journey is carried out where the details of each section of the geometric Course of the journey at least the relative position of the start and end points this section to each other, and this section of the journey with characteristic geometric characteristics of road types is compared, from which determines the currently used road type and used as a selection criterion. It is characteristic, however, that no time considerations are required, but that one solely with geometric information on the journey gets by.

Aus der EP 0 829 837 A1 ist ein weiteres Verfahren zur Selektion von Verkehrsinformationen für ein Kraftfahrzeug bekannt, bei dem ein zeitabhängiges Bewegungsprofil des Kraftfahrzeugs in Abhängigkeit von Änderungen einer Fahrtrichtung pro Zeit und von einer Geschwindigkeit des Kraftfahrzeugs erfasst wird. Aufgrund des zeitabhängigen Bewegungsprofils, dem jeweiligen Standort des Fahrzeugs und dem Zielort wird dann ein Bereich zur Selektion von Verkehrsinformationen ausgewählt. From EP 0 829 837 A1 there is another method for the selection of traffic information for a motor vehicle, in which a time-dependent movement profile of the motor vehicle as a function of changes in a direction of travel is detected per time and by a speed of the motor vehicle. by virtue of the time-dependent motion profile, the respective location of the vehicle and the destination then becomes an area for selecting traffic information selected.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung der eingangs genannten Art so weiterzubilden, daß eine einfachere und weniger zeitaufwendige, dennoch aber hochgenaue Auswahl von Bereichen, für die Verkehrsinformation gewünscht wird, möglich ist.The invention is based on the object, a method and an apparatus of the aforementioned type so that a simpler and less time-consuming yet highly accurate selection of areas, is desired for the traffic information is possible.

Eine verfahrensseitige Lösung der gestellten Aufgabe ist im Anspruch 1 angegeben. Dagegen findet sich eine vorrichtungsseitige Lösung der gestellten Aufgabe im Anspruch 8. Vorteilhafte Ausgestaltungen der Erfindung sind den jeweils abhängigen Ansprüchen zu entnehmen.A method-side solution of the problem is set forth in claim 1 specified. In contrast, there is a device-side solution of the asked Task in claim 8. Advantageous embodiments of the invention are to be taken from the respective dependent claims.

In Übereinstimmung mit der Erfindung wird bei einem Verfahren zur Selektion von Verkehrsinformation für ein Kraftfahrzeug die Selektion automatisch und nur in Abhängigkeit eines zeitabhängigen Bewegungsprofils des Kraftfahrzeugs sowie dessen aktuelles Position durchgeführt. Der Fahrer braucht sich somit nach Start seines Kraftfahrzeugs bzw. Einschalten seines Telematik-Endgeräts überhaupt nicht mehr um die Auswahl der jeweiligen Bereiche, für die er Verkehrsinformation zu erhalten wünscht, zu kümmern, sondern kann sich voll auf den Straßenverkehr konzentrieren, was die Fahrt im Kraftfahrzeug wesentlich vereinfacht und sicherer macht. In accordance with the invention, in a method for selection Traffic information for a motor vehicle selection automatically and only as a function of a time-dependent movement profile of the Motor vehicle and its current position carried out. The driver thus needs to start his motor vehicle or switching on his telematics terminal at all no longer about the selection of the respective areas for which he traffic information wishes to get, but can care focus fully on the road, what the ride in the car makes it much easier and safer.

Das Bewegungsprofil des Kraftfahrzeugs kann dazu auf unterschiedliche Weise ermittelt werden, beispielsweise durch am Kraftfahrzeugvorhandene Beschleunigungsaufnehmer und Richtungssensoren einerseits oder andererseits durch in Verbindung mit Zeitmeßgeräten arbeitende Funk-Positionsgeber, etwa GPS-Empfänger, und dergleichen. Zusammen mit dem Bewegungsprofil des Kraftfahrzeugs dient dann dessen aktuelle Position zur Auswahl der relevanten Verkehrsinformation, also zur Auswahl desjenigen Bereiches, für den Verkehrsinformation seitens des Fahrers gewünscht wird.The movement profile of the motor vehicle can to different Be determined manner, for example, by on-vehicle Accelerometers and direction sensors on the one hand or on the other hand by radio position sensors operating in conjunction with timepieces, about GPS receiver, and the like. Along with the movement profile of the motor vehicle then serves its current position to select the relevant traffic information, so to choose of that area, for the traffic information on the part of the driver it is asked for.

Die Selektion der Verkehrsinformation kann beispielsweise unmittelbar im Telematik-Endgerät des Kraftfahrzeugs erfolgen, zum Beispiel dann, wenn Verkehrsinformation für sehr große geographische Gebiete von öffentlichen Sendern abgestrahlt und von der Masse der Verkehrsteilnehmer empfangen wird. In diesem Fall wird die für die sehr großen geographischen Gebiete geltende Verkehrsinformation in einem zum Telematik-Endgerät des Kraftfahrzeugs gehörenden Verkehrsinformationsspeicher zwischengespeichert und mit jedem Sendezyklus der öffentlichen Sender aktualisiert bzw. auf den neuesten Stand gebracht. Aus dieser so zwischengespeicherten Verkehrsinformation wird dann die für den Fahrer relevante Verkehrsinformation in Abhängigkeit des Bewegungsprofils des Kraftfahrzeugs herausgefiltert bzw. selektiert, und zwar in Abhängigkeit von Filterparametern, die aufgrund des Bewegungsprofils des Kraftfahrzeugs generiert werden.The selection of the traffic information, for example, directly take place in the telematics terminal of the motor vehicle, for example, then if traffic information for very large geographical areas of public Emitters emitted by the mass of road users Will be received. In this case, the one for the very large geographical Territories applicable traffic information in a telematics terminal the motor vehicle belonging traffic information memory cached and with each broadcasting cycle of public broadcasters updated or brought up to date. From this cached so Traffic information then becomes relevant to the driver Traffic information depending on the movement profile of the Motor vehicle filtered out or selected, depending on of filter parameters due to the motion profile of the motor vehicle to be generated.

Wird dagegen auf Anforderung eines einzelnen Verkehrsteilnehmers Verkehrsinformation für einen gewünschten Bereich von einem Service-Provider übermittelt, so könnte die Selektion von Verkehrsinformation auch beim Service-Provider ausgeführt werden, so daß an den anfragenden Verkehrsteilnehmer nur noch weniger Information übertragen zu werden braucht, was dessen Benutzerkosten senkt und den im Telematik-Endgerät erforderlichen Speicherplatzbedarf verringert. Hierzu muß allerdings zuvor der anfragende Verkehrsteilnehmer seine aktuelle Position und die aus dem Bewegungsprofil seines Kraftfahrzeugs abgeleiteten Filterparameter zum Service-Provider übertragen.If, however, at the request of a single road user traffic information for a desired range from a service provider transmitted, so the selection of traffic information could also run at the service provider, so that to the requesting road users only less information to be transmitted needs, what its user costs lowers and that in the telematics terminal required storage space required. For this, however, must before the requesting road user his current position and the derived from the movement profile of his motor vehicle filter parameters transferred to the service provider.

Nach einer Weiterbildung der Erfindung kann die Selektion zusätzlich in Abhängigkeit von Änderungen der Fahrtrichtung des Kraftfahrzeugs erfolgen. Fährt das Kraftfahrzeug bei relativ kleiner mittlerer Geschwindigkeit und treten gleichzeitig relativ hohe mittlere Richtungsänderungen der Fahrtrichtung auf, so wird angenommen, daß sich das Kraftfahrzeug innerhalb eines Stadtgebiets aufhält. In diesem Fall wird der Bereich, für den Verkehrsinformation an den Fahrer übermittelt werden soll, kreisförmig um das Kraftfahrzeug herumgelegt, und zwar mit relativ engem Radius. Bewegt sich dagegen das Kraftfahrzeug mit relativ hoher mittlerer Geschwindigkeit (oberhalb des vorgegebenen Geschwindigkeitswertes) und treten gleichzeitig relativ kleine mittlere Richtungsänderungen der Fahrtrichtung des Kraftfahrzeugs auf, so wird davon ausgegangen, daß sich das Kraftfahrzeug auf einer Schnellstraße oder Autobahn in Richtung zu einem entfernterem Ziel bewegt. In diesem Fall werden die Filterparameter so ausgewählt bzw. generiert, daß sich der für Verkehrsinformation relevante Bereich in Richtung der Fahrtroute zum Ziel erstreckt, wie bereits oben erwähnt.According to a development of the invention, the selection can additionally in Dependent on changes in the direction of travel of the motor vehicle. Travels the motor vehicle at a relatively low average speed and occur at the same time relatively high mean changes in direction of the Direction, it is assumed that the motor vehicle within of a city area. In this case, the area for the traffic information is to be transmitted to the driver, circular wrapped around the motor vehicle, and with a relatively narrow radius. In contrast, the motor vehicle moves at a relatively high average speed (above the given speed value) and occur at the same time relatively small mean changes in direction of the direction of travel of the motor vehicle, it is assumed that the Motor vehicle on a freeway or freeway towards a moved to a distant destination. In this case, the filter parameters become selected or generated so that the traffic information relevant Area extends in the direction of the route to the destination, as already mentioned above.

Beim Start des Kraftfahrzeugs liegt im allgemeinen noch kein Bewegungprofil des Kraftfahrzeugs vor, so daß dann Verkehrsinformationen automatisch aus einem kreisförmigen Gebiet mit vorbestimmten Radius um das Kraftfahrzeug herum selektiert wird, wobei in diesem Fall der Radius relativ groß ist. Nach Aufnahme des Bewegungsprofils des Kraftfahrzeugs kann dann der Radius entsprechend verkleinert werden, wenn das Kraftfahrzeug im Stadtbereich verbleibt, oder es wird der relevante Bereich für Verkehrsinformation schlauchförmig in Richtung auf ein entfernteres Ziel ausgedehnt, falls sich das Bewegungsprofil des Kraftfahrzeugs entsprechend ändert.When starting the motor vehicle is generally still no movement profile of the motor vehicle, so that then traffic information automatically from a circular area of predetermined radius the motor vehicle is selected around, in which case the radius is relatively large. After recording the movement profile of the motor vehicle then the radius can be reduced accordingly when the motor vehicle remains in the city area, or it becomes the relevant area for Traffic information hose towards a more distant destination extended, if the movement profile of the motor vehicle accordingly changes.

Vorzugsweise werden Geschwindigkeiten sowie Fahrtrichtungsänderungen des Kraftfahrzeugs jeweils in vorbestimmten Zeitabschnitten ermittelt, um die Verkehrsinformationsselektion möglichst aktuell zu halten. Bezogen auf diese Zeitabschnitte werden somit jeweils neue Filterparameter aufgrund der in den genannten Zeitabschnitten jeweils erhaltenen mittleren Geschwindigkeits- und Richtungswerte generiert, was für eine gewisse Eigendynamik des Selektionsverfahrens sorgt. Einerseits kann aufgrund der für die jeweiligen Zeitabschnitte geltenden Filterparameter ständig aktuelle und auf den Ort des Kraftfahrzeugs bezogene Verkehrsinformation herausgefiltert bzw. selektiert werden, während andererseits die im Verkehrsinformationsspeicher gespeicherte Verkehrsinformation immer auf den neuesten Stand gebracht und entsprechend überschrieben werden kann.Preferably, speeds and direction changes of the motor vehicle is determined in each case at predetermined time intervals, to keep the traffic information selection as up to date as possible. With reference to these time periods, new filter parameters are thus each time due to the respectively obtained during said periods of time mean speed and directional values generated, what a ensures some momentum of the selection process. On the one hand can due to the filter parameters valid for the respective periods constantly updated and related to the location of the motor vehicle traffic information filtered out or selected, while on the other hand the traffic information stored in the traffic information memory always updated and overwritten accordingly can be.

Eine Vorrichtung zur Selektion von Verkehrsinformation für ein Kraftfahrzeug enthält eine Filtereinrichtung, die in Abhängigkeit von Filterparametern Verkehrsinformation nur für einen vorgegebenen geographischen Bereich hindurchläßt; eine Filterparameter-Erzeugungseinrichtung zur automatischen Erzeugung der Filterparameter nur in Abhängigkeit eines zeitabhängigen Bewegungsprofils des Kraftfahrzeugs und dessen aktueller Position; und eine Ausgabeeinrichtung zur Ausgabe der hindurchgelassenen Verkehrsinformation. Die Filterparameter-Erzeugungseinrichtung ist dabei mit einer Einrichtung zur Lieferung von Geschwindigkeit und Fahrtrichtung des Fahrzeugs und ein Einrichtung zur Detektion der aktuellen Fahrzeugposition verbunden.A device for the selection of traffic information for a motor vehicle Contains a filter device that depends on filter parameters Traffic information only for a given geographic area lets through; a filter parameter generator for automatic Generation of the filter parameters only as a function of a time-dependent Motion profile of the motor vehicle and its current position; and an output device to output the transmitted traffic information. The filter parameter generator is doing with a device for speed and delivery Direction of the vehicle and a device for detecting the current vehicle position connected.

Eine derartige Vorrichtung kann sich zum Beispiel in einem Telematik-Endgerät befinden, das in einem Kraftfahrzeug installiert ist. Im Falle des Telematik-Endgeräts würde man dann die Filterparameter-Erzeugungseinrichtung eingangsseitig mit einer Einrichtung zur Lieferung des Bewegungsprofils des Kraftfahrzeugs verbinden, wobei diese Einrichtung zum Beispiel Geschwindigkeit und Fahrtrichtung, ggf. auch daraus abgeleitete Mittelwerte, zur Filterparameter-Erzeugungseinrichtung überträgt. Die Ausgabeeinrichtung wäre dann eine optische oder akustische Anzeigeeinrichtung zur Übermittlung der selektierten Verkehrsinformation an den Fahrer des Kraftfahrzeugs. Gleichzeitig könnte die Filtereinrichtung mit einer eingangsseitigen Speichereinrichtung zur Speicherung von empfangener Verkehrsinformation verbunden sein.Such a device may be, for example, in a telematics terminal located in a motor vehicle. In the case of Telematics terminal would then be the filter parameter generator on the input side with a device for the delivery of the movement profile connect the motor vehicle, this device for Example speed and direction of travel, possibly derived therefrom Average values, transmits to the filter parameter generating device. The Output device would then be an optical or acoustic display device for transmitting the selected traffic information to the Driver of the motor vehicle. At the same time, the filter device with an input-side storage device for storing received Traffic information to be connected.

Würde man dagegen die Vorrichtung senderseitig anordnen, so wäre mit der Filterparameter-Erzeugungseinrichtung ein Empfänger verbunden, der das Bewegungsprofil vom Kraftfahrzeug und dessen Position empfängt und zur Filterparameter-Erzeugungseinrichtung überträgt. Die Ausgabeeinrichtung wäre dann eine Sendereinrichtung, um die selektierte Verkehrsinformation zum anfragenden Kraftfahrzeug zu übertragen. Die Filterparameter-Erzeugungseinrichtung könnte in diesem Fall aber auch im Kraftfahrzeug untergebracht sein, so daß dann nur die Filterparamater zur sendeseitig vorhandenen Filtereinrichtung zu übertragen wären.If, on the other hand, one were to arrange the device on the transmitter side, then it would be with the filter parameter generating means a receiver connected, which receives the motion profile from the motor vehicle and its position and to the filter parameter generator transfers. The output device would be then a transmitter means for selecting the selected traffic information to transfer to the requesting motor vehicle. The filter parameter generator could in this case but also in the motor vehicle be accommodated, so that only the Filterparamater to the transmitting end would be available to transmit existing filter device.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend unter Bezugnahme auf die Zeichnung näher erläutert. Es zeigen:

  • Figur 1 ein Blockschaltbild einer Vorrichtung zum Selektieren von Verkehrsinformation, die in einem Kraftfahrzeug installiert ist;
  • Figur 2 ein beim Start des Kraftfahrzeugs ausgewählter Bereich für relevante Verkehrsinformation; und
  • Figur 3 aktuell ausgewählte Bereiche für relevante Verkehrsinformation bei Fahrt des Kraftfahrzeugs zu einem entfernteren Ziel.
    • An embodiment of the invention will be explained in more detail with reference to the drawing. Show it:
  • Fig. 1 is a block diagram of a traffic information selecting apparatus installed in a motor vehicle;
  • FIG. 2 a region selected for the start of the motor vehicle for relevant traffic information; and
  • Figure 3 currently selected areas for relevant traffic information when driving the motor vehicle to a remote destination.

    • Entsprechend der Figur 1 befindet sich innerhalb eines Kraftfahrzeugs 1 ein Telematik-Endgerät 2, von dem nur die für die Erfindung relevanten Blöcke dargestellt sind. Zum Telematik-Endgerät 2 gehört eine Filtereinrichtung 3, die in Abhängigkeit von Filterparametern ihr zugeführte Verkehrsinformation 4 filtert. Gefilterte Verkehrsinformation 5 gelangt dann zu einer Ausgabeeinrichtung 6, die ausgangsseitig mit der Filtereinrichtung 3 verbunden ist und zur Ausgabe der gefilterten Verkehrsinformation 5 dient, etwa auf optischem oder akustischem Wege.According to FIG. 1, inside a motor vehicle 1 a telematics terminal 2, of which only those relevant to the invention Blocks are shown. The telematics terminal 2 includes a filter device 3, the traffic information supplied to it depending on filter parameters 4 filters. Filtered traffic information 5 then passes to an output device 6, the output side with the filter device 3 is connected and to output the filtered traffic information 5 serves, for example, optically or acoustically.

    In welcher Weise die der Filtereinrichtung 3 zugeführte Verkehrsinformation 4 gefiltert wird, hängt von Filterparametern 7 ab, die von einer Filterparameter-Erzeugungseinrichtung 8 ausgegeben und zur Filtereinrichtung 3 übertragen werden. Diese Filterparameter 7 finden Eingang in einen Filteralgorithmus, der von der Filtereinrichtung 3 zur Filterung der Verkehrsinformation 4 ausgeführt wird. Bei der Verkehrsinformation 4 handelt es sich um kodierte Information dahingehend, daß sie eine Angabe über den Ort enthält, für den sie gilt. Die Verkehrsinformation 4 ist in einem Verkehrsinformationsspeicher 10 zwischengespeichert, in den ständig aktualisierte Verkehrsinformation 4 von zum Beispiel öffentlichen Sendern neu gespeichert wird, wobei nicht mehr gültige Verkehrsinformation gelöscht bzw. überschrieben wird.In what way the traffic information supplied to the filter device 3 4 is dependent on filter parameters 7 derived from a filter parameter generator 8 output and the filter device 3 are transmitted. These filter parameters 7 are input to one Filter algorithm used by the filter device 3 for filtering the Traffic information 4 is executed. At the traffic information 4 is coded information in that it is an indication contains about the place to which it applies. The traffic information 4 is in one Traffic information memory 10 cached in the constantly updated traffic information 4 of for example public Stations will be re-saved, with no longer valid traffic information is deleted or overwritten.

    Eingangsseitig ist mit der Filterparameter-Erzeugungseinrichtung 8 eine Einrichtung 9 zur Lieferung eines Bewegungprofils des Kraftfahrzeugs 1 verbunden. Bei dieser Einrichtung 9 kann es sich zum Beispiel um eine solche handeln, die das Bewegungsprofil des Kraftfahrzeugs 1 unmittelbar erfaßt, also lokal ist. Sie muß nicht die absolute Position des Fahrzeugs detektieren. Hierfür stehen andere Einrichtungen zur Verfügung, beispielsweise ein GPS-Empfänger, oder dergleichen. Vielmehr genügt es, wenn die Einrichtung 9 nur die momentanen Richtungs- und Geschwindigkeitswerte des Kraftfahrzeugs detektiert. Von diesen Richtungs- und Geschwindigkeitswerten, aus denen auch mittlere Richtungen und Geschwindigkeitswerte ermittelt werden können, werden dann durch die Filterparameter-Erzeugungseinrichtung 8 die zugehörigen Filterparameter 7, etwa anhand einer geeigneten Tabelle, ausgewählt.On the input side is with the filter parameter generating device 8 a Device 9 for supplying a movement profile of the motor vehicle 1 connected. This device 9 may be, for example, a those acting directly on the movement profile of the motor vehicle 1 detected, that is local. It does not have to detect the absolute position of the vehicle. For this purpose, other facilities are available, for example a GPS receiver, or the like. Rather, it is sufficient if the Setup 9 only the current direction and speed values of the motor vehicle detected. From these directional and speed values, from which also mean directions and speed values can be determined are then by the filter parameter generating device 8 shows the associated filter parameters 7, for example based on a suitable table.

    Nachfolgend soll die Wirkungsweise der in Figur 1 beschriebenen Vorrichtung im einzelnen beschrieben werden. Dies erfolgt unter Heranziehung der Figuren 2 und 3. The following is the operation of the device described in Figure 1 will be described in detail. This is done using FIGS. 2 and 3.

    Steigt der Fahrer in sein Kraftfahrzeug 1 ein und möchte auf seine individuelle Fahrtroute bezogene Verkehrsinformation erhalten, etwa von einer Sendestation, die an die Masse der Verkehrsteilnehmer regelmäßig für einen sehr großen geographischen Bereich gültige Verkehrsinformation überträgt, so braucht er lediglich sein Fahrzeug zu starten und die Fahrt zu beginnen, wodurch die erfindungsgemäße Vorrichtung initialisiert wird. Schon nach kurzer Zeit erreicht ihn die erste gefilterte Verkehrsinformation, die auf der Ausgabeeinrichtung 6 zum Beispiel angezeigt wird.If the driver enters his motor vehicle 1 and wants to be on his own Route received traffic information received, about one Broadcasting station to the mass of road users regularly for one very large geographical area valid traffic information transmits, so he only needs to start his vehicle and the ride to begin, whereby the device according to the invention initialized becomes. After a short time, the first filtered traffic information reaches him, which is displayed on the output device 6, for example.

    Ohne Filterung würde ihm Verkehrsinformation übermittelt werden, die für einen Bereich mit einem Radius von beispielsweise 100 km um sein Kraftfahrzeug herum gültig wäre. Nach der Erfindung wird ihm jedoch nur Verkehrsinformation 5 übermittelt, die durch Filterung der empfangenen Verkehrsinformation 4 erhalten worden ist und für denjenigen Bereich gilt, in welchem sich das Fahrzeug auch tatsächlich bewegt. Der von der Filtereinrichtung 3 ausgeführte Filteralgorithmus arbeitet dynamisch und verbessert sich fortlaufend, so daß sich die Qualität des Filterresultats mit zunehmender Fahrtzeit des Kraftfahrzeugs erhöht.Without filtering, traffic information would be transmitted to him for an area with a radius of, for example, 100 km Motor vehicle would be valid around. After the invention, however, it only becomes Traffic information 5 transmitted by filtering the received Traffic information 4 has been obtained and for that area applies, in which the vehicle actually moves. The one of the Filter device 3 executed filter algorithm operates dynamically and continuously improves so that the quality of the filter result increases with increasing travel time of the motor vehicle.

    Kurz nach Start des Kraftfahrzeugs liegen noch keine Meßdaten von der Einrichtung 9 vor, so daß die Filterparameter 7 zunächst auf einen vorbestimmten Anfangswert gesetzt werden. Dieser Anfangswert charakterisiert einen kreisförmigen Bereich 11 um das Kraftfahrzeug 1 herum und weist einen vorbestimmten Radius R auf, wie in Figur 2 gezeigt. Die gesamte empfangene Verkehrsinformation 4 wird dabei mit Hilfe der Filtereinrichtung 3 gefiltert. Der vorbestimmte Radius R weist dabei eine mittlere Größe von beispielsweise 50 km auf, da zu diesem Zeitpunkt noch nicht genau bekannt ist, ob sich das Kraftfahrzeug nur lokal bewegen wird oder eine Fernfahrt beabsichtigt ist.Shortly after the start of the vehicle are still no data from the Device 9 before, so that the filter parameters 7 initially to a predetermined Initial value are set. This initial value characterizes a circular area 11 around the motor vehicle 1 around and has a predetermined radius R as shown in FIG. The whole received traffic information 4 is thereby using the filter device 3 filtered. The predetermined radius R has a mean Size of for example 50 km up, since at that time still not exactly It is known whether the motor vehicle will only move locally or one Long distance travel is intended.

    Nachdem das Fahrzeug eine kurze Zeit gefahren ist, werden von der Einrichtung 9 die ersten Bewegungsdaten an die Filterparameter-Erzeugungseinrichtung 8 geliefert. Fährt zum Beispiel das Fahrzeug mit relativ niedriger mittlerer Geschwindigkeit und treten relativ hohe mittlere Richtungsänderungen auf, so wird anhand dieser Meßgrößen in der Filterparameter-Erzeugungseinrichtung 8 festgestellt, daß sich das Fahrzeug innerhalb eines City-Bereichs befindet. Infolgedessen werden die Filterparameter 7 entsprechend eingestellt, und zwar auf einen Kreis 12 um das Kraftfahrzeug herum mit einem Radius R1, der beispielsweise bei etwa 25 km liegt, wie in Figur 3 zu erkennen ist. Hier kann es sich um den minimalen Radius handeln. Solange sich an der mittleren Geschwindigkeit und der mittleren Richtungsabweichung nichts ändert, wird also dem Fahrer des Kraftfahrzeugs nur Verkehrsinformation übermittelt, die sich ausschließlich auf diesen kleinen Bereich 12 bezieht. Verkehrsinformation 4 für Bereiche außerhalb dieses kreisförmigen Bereichs wird unterdrückt; sie bleibt aber im Verkehrsinformationsspeicher 10 solange gespeichert, bis sie überschrieben wird.After the vehicle has been driving for a short time, the facility will 9 shows the first movement data to the filter parameter generation device 8 delivered. For example, drives the vehicle with relative low average speed and relatively high mean directional changes on, it is based on these measures in the filter parameter generating device 8 found that the vehicle is within located in a city area. As a result, the filter parameters become 7 set accordingly, on a circle 12 around the motor vehicle around with a radius R1, for example, at about 25 km is, as can be seen in Figure 3. This may be the minimum Radius act. As long as the middle speed and the mean directional deviation does not change, so the driver of the Motor vehicle only transmitted traffic information, which is exclusive refers to this small area 12. Traffic information 4 for areas outside of this circular area is suppressed; she but remains stored in the traffic information memory 10 until, it is overwritten.

    Liegt dagegen die mittlere Fahrzeuggeschwindigkeit bei einem relativ hohen Wert (oberhalb eines vorgegebenen mittleren Geschwindigkeitswertes) und ist die mittlere Richtungsabweichung relativ klein bzw. kleiner als eine vorgegebene mittlere Richtungsabweichung, so werden durch die Filterparameter-Erzeugungseinrichtung 8 geeignete andere Filterparameter 7 ausgewählt, um Verkehrsinformation nur für einen Bereich zu empfangen, der sich im wesentlichen in der jetzt gültigen mittleren Fahrtrichtung des Fahrzeugs erstreckt. Es handelt sich hier um den Bereich 13 in Figur 3. Zusätzlich dazu wird noch Information für den Bereich 12 zum Fahrer übermittelt. Insgesamt werden somit die Filterparameter 7 so eingestellt, daß Information für die in Figur 3 gezeigten Bereiche 12 und 13 erhalten wird, also für einen im wesentlichen schlüssellochförmigen Bereich. Der Gesamtbereich 12, 13 ist im wesentlichen gekennzeichnet durch den Radius R1, die mittlere bzw. geschätzte Fahrtrichtung und einen auf diese mittlere Fahrtrichtung bezogenen geschätzten bzw. vorgegebenen Öffnungswinkel W.On the other hand, is the average vehicle speed at a relatively high Value (above a given mean speed value) and the mean bias is relatively small or less than a predetermined average deviation, are determined by the filter parameter generator 8 suitable other filter parameters 7 selected to receive traffic information for only one area, which is essentially in the now valid middle direction of the vehicle. This is the area 13 in FIG 3. In addition, information for the area 12 becomes the driver transmitted. Overall, the filter parameters 7 are thus set, that information is obtained for the areas 12 and 13 shown in FIG is, so for a substantially keyhole-shaped area. Of the Overall area 12, 13 is essentially characterized by the radius R1, the middle or estimated direction of travel and one on this middle Direction of travel estimated estimated or predetermined opening angle W.

    Nach der Erfindung wird die Selektion der Verkehrsinformation wiederholt durchgeführt, wobei die entsprechenden Daten hinsichtlich der Geschwindigkeit und der Richtungsabweichung über jeweils einen Zeitraum von etwa 10 Minuten gesammelt werden können, um daraus die mittleren Werte zu erhalten. Der zeitliche Mindestabstand der Selektion kann daher auch 10 Minuten oder mehr betragen, so daß bei Fahrt zum Beispiel auf einer Autobahn die schlüssellochförmige Bereichsstruktur 12, 13 wiederholt generiert wird. Somit werden die Filterparameter wiederholt generiert, um ständig die Möglichkeit zu haben, auf den jeweiligen Ort des Kraftfahrzeugs bezogene Verkehrsinformation dem Fahrer übermitteln zu können.According to the invention, the selection of the traffic information is repeated performed, with the appropriate data in terms of speed and the directional deviation over a period of time of about 10 minutes can be collected to make it the middle one To obtain values. The minimum time interval of the selection can therefore also be 10 minutes or more, so when driving for example on a Highway the keyhole-shaped area structure 12, 13 repeated is generated. Thus, the filter parameters are generated repeatedly, to constantly have the opportunity to be at the place of the Motor vehicle related traffic information to the driver can.

    Claims (10)

    1. Method for the selection of traffic information (4) for a motor vehicle (1), in which
      a time-dependent movement profile of the motor vehicle (1) is recorded, based on changes in direction of travel and on the speed of the motor vehicle (1),
      characterised in that
      the selection is made automatically, depending only on the movement profile of the motor vehicle (1) and its current position.
    2. Method according to claim 1, characterised in that, when the motor vehicle (1) starts, traffic information from a circular area (11) of predetermined radius (R) is selected.
    3. Method according to claim 2, characterised in that, with low average speed of the motor vehicle (1) and high average change in its direction of travel, the radius (R1) of the circular area (11) is either held constant or set to a lower value.
    4. Method according to any of claims 1 to 3, characterised in that, with high average speed of the motor vehicle (1) and low average change in its direction of travel, traffic information related only to an area (12, 13) lying in the direction of travel is selected.
    5. Method according to any of claims 1 to 4, characterised in that speeds and changes in direction of travel are each determined in a predetermined time-slot.
    6. Method according to any of claims 1 to 5, characterised in that the selection of traffic information is made in a telematic terminal (2) installed in the motor vehicle (1).
    7. Method according to any of claims 1 to 5, characterised in that the selection of the traffic information is made on the transmission side.
    8. Apparatus for implementation of a method for the selection of traffic information for a motor vehicle (1) according to any of the preceding claims, with:
      a filter device (3) which, depending on filter parameters (7), allows through traffic information (4) for only a predetermined geographical area;
      a filter parameter generating device (8) for automatic generation of filter parameters (7) depending only on the current position of the motor vehicle (1) and the time-dependent movement profile of the motor vehicle (1), wherein the filter parameter generating device (8) is connected on the input side to a device (9) for supplying the speed and direction of travel of the motor vehicle (1), and also to a device for determining the absolute position of the motor vehicle (1); and
      an output device (6) for output of the traffic information (5) allowed through.
    9. Apparatus according to claim 8, in which the output device (6) is a visual or acoustic display unit.
    10. Apparatus according to claim 8 or 9, in which the filter device (3) is connected to a traffic information memory (10) in which traffic information (4) may be stored.
    EP99119369A 1998-10-16 1999-09-29 Method and device to select traffic information for a vehicle Expired - Lifetime EP0994448B1 (en)

    Applications Claiming Priority (3)

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    DE19847849 1998-10-16
    DE19847849A DE19847849A1 (en) 1998-10-16 1998-10-16 Method and device for selecting traffic information for a motor vehicle
    US09/417,565 US6266608B1 (en) 1998-10-16 1999-10-14 Method and apparatus for the selection of traffic information for a motor vehicle

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    EP0994448A2 EP0994448A2 (en) 2000-04-19
    EP0994448A3 EP0994448A3 (en) 2000-12-13
    EP0994448B1 true EP0994448B1 (en) 2005-08-31

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    DE19847849A1 (en) 2000-04-27
    JP4391638B2 (en) 2009-12-24
    EP0994448A2 (en) 2000-04-19
    US6266608B1 (en) 2001-07-24
    EP0994448A3 (en) 2000-12-13
    JP2000123291A (en) 2000-04-28

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