EP0887782A2 - Remote interrogation system to prepare information about the traffic conditions on motorways - Google Patents

Remote interrogation system to prepare information about the traffic conditions on motorways Download PDF

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Publication number
EP0887782A2
EP0887782A2 EP98107774A EP98107774A EP0887782A2 EP 0887782 A2 EP0887782 A2 EP 0887782A2 EP 98107774 A EP98107774 A EP 98107774A EP 98107774 A EP98107774 A EP 98107774A EP 0887782 A2 EP0887782 A2 EP 0887782A2
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EP
European Patent Office
Prior art keywords
information
query system
user
remote query
remote
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98107774A
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German (de)
French (fr)
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EP0887782B1 (en
EP0887782A3 (en
Inventor
Mario Dipl.-Ing. Neuhoff
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Deutsche Telekom AG
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Deutsche Telekom AG
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Publication of EP0887782A3 publication Critical patent/EP0887782A3/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
    • G08G1/091—Traffic information broadcasting
    • G08G1/093—Data selection, e.g. prioritizing information, managing message queues, selecting the information to be output
    • 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
    • G08G1/096766—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 remote query system for providing Information about traffic conditions, especially traffic jams, denser Traffic, fog, slippery, ghost drivers, on expressways.
  • a disadvantage of the known traffic jam systems is that they are not can react flexibly to the current traffic situation, as the time of the day Origin until a traffic jam is reported and until the Traffic jam reports are often very long.
  • Telephonic remote access systems are known which are used, for example, for Querying account balances or making bookings at Telephone banking or order by telephone in mail order.
  • the user is made of predeterminable with an announcement text Announcement text blocks are instructed for use or the Desired information transmitted, the user his commands outputs coded using the keypad of his phone using the multi-frequency method.
  • remote telephone inquiry systems are known, their operation and control via pure voice signals, which a Able to evaluate the speech recognition unit of the remote access system is.
  • the invention has for its object to provide a traffic jam system To make available which information about the Is able to provide traffic conditions and this to any Makes times available for those interested.
  • the task is solved by a remote inquiry system for the provision of Information about traffic conditions on expressways with a Input element, which user information is able to recognize, and an output element, which predeterminable text modules compile and the user as perceivable by this Is able to transmit signal.
  • the input element takes the User information received via a reporting channel, information about Location and type of traffic disruption, together with information be stored in a database about the time of the call. Farther it takes from the user information that is received via a query channel, Information about the route of interest, what the Remote query system a database query for the route in question carries out, and the determined information about the Traffic conditions communicated to the user through the output element will.
  • the remote query system according to the invention works mainly on a telephone basis, with callers using the reporting channel the database provide with information and this again via a query channel can retrieve. In addition, there is also an online query option provided on the Internet.
  • the remote query system guides the user telephone access with an announcement from predeterminable Announcement text modules for use. These announcement texts are the Caller transmitted acoustically through the output element. Likewise, it transmits the information that the caller has when querying the Traffic conditions from the database.
  • the input element of the remote query system has a Speech recognition unit based on the natural language of the Caller recognizes certain keywords and uses them in converts usable information, which is then converted into the Database or with the help of a database query is feasible. These keywords are preferably all Motorway and federal road names, names of localities, as well as junctions and motorway junctions.
  • the Speech recognition unit the different types of traffic disruption, e.g. Traffic jam, heavy traffic, fog, slippery, ghost driver, identify can.
  • the remote query system requests preferably the user in turn to enter only this Keywords on. If the system did not recognize a keyword, then so it prompts the user to enter it again.
  • Traffic conditions are queried online via the Internet preferably using a suitable screen mask, which the User to enter the route of interest at his terminal prompts.
  • the remote control system offers ease of operation the user preferably the relevant keywords Characterize the route in a list from which the User only needs to select. It can also be a street map on which the user is interested Select route section by clicking or on the current one Traffic disruptions are already optically marked.
  • the information formed from the keywords about the location of a traffic disruption or one that interests the user is stored in the database or queried from the database.
  • the database can consist of a list of all motorway and federal road segment segments, characterized by starting and ending points such as junction (s) and / or motorway junction or town. These track segments are each with the property Traffic jam "," heavy traffic ",” smoothness "etc. respectively no malfunction ".
  • the number of messages received for the relevant route segment and their time is preferably stored. This facilitates an assessment of the relevance of the existing malfunction messages.
  • Information that is older than a specified time interval for example, half an hour or an hour, are preferred automatically deleted from the database.
  • a specified time interval for example, half an hour or an hour
  • the deletion of a fault message can also be controlled by the user the message that a reported for a certain route Fault no longer exists.
  • a Deletion notification to be verified multiple times to actually get the To delete the relevant fault entry.
  • the database is filled by callers who use the remote access system Provide traffic information.
  • traffic information Currently many drivers have a mobile phone with which they can easily Remote query system can report malfunctions. Such a call goes thereby via a reporting channel with the remote access system.
  • Corresponding can provide information about the traffic situation via a query channel can be called up by telephone. Message and query channel can either by two different phone numbers or by an input query be distinguished. Furthermore, access to the query channel is via the internet provided.
  • the caller When a call arrives via the reporting channel, the caller is first asked to indicate the street name, direction of travel, location and type of traffic disruption, preferably by specifying the relevant junctions or motorway junctions.
  • the speech recognition unit converts this information into computer-usable information about the disrupted route.
  • the computer determines on the basis of the direction of travel and the name of the motorway or on the basis of the respective connection points or intersection points in which route segment the fault is located.
  • the corresponding route segment is then named in the database Traffic jam "or the respective fault.
  • the time of the call is also saved.
  • the remote query system preferably plays that of the Speech recognition unit recognized and converted information, composed of saved text modules, the caller with the help the starting element again and takes it only after it Confirmation in the database. This confirmation that the speech signals recognized correctly, for example by pressing a button multi-frequency coded or also by voice input.
  • An over Incoming calls to the reporting channel are preferably free of charge.
  • the user can inquire about the road conditions on certain routes with a call coming in via the query channel or via the Internet.
  • the remote query system uses the output element to request street names and directions and, if applicable, the planned route section.
  • the speech recognition unit determines the keywords from the user's speech signal and converts them into information that can be used by the computer. With this information, the assignment to a route section stored in the database is made, which can consist of one or more route segments. These route segments are each with the characteristic Disorder "or no disturbance ".
  • the remote query system preferably offers that User to determine an undisturbed evasion route and notify him these on request.
  • the message transmitted to the caller is composed of several announcement text modules, for example a basic module such as On the ... between ... and ... is reported. ", Whereby the gaps in this basic module with the keywords also stored as announcement text modules e.g. A 5, junction XY, a traffic jam ". If there is no disturbance on the queried route, this is communicated in a standard message. If the planned route could not be identified by the speech recognition unit, the caller is preferably requested to enter it again.
  • a basic module such as On the ... between ... and ... is reported. ", Whereby the gaps in this basic module with the keywords also stored as announcement text modules e.g. A 5, junction XY, a traffic jam ". If there is no disturbance on the queried route, this is communicated in a standard message. If the planned route could not be identified by the speech recognition unit, the caller is preferably requested to enter it again.
  • the remote inquiry system provides a means Providing information about traffic conditions Available, which is flexible to existing and rapidly changing Is able to react to traffic conditions. It also offers the Possibility to selectively select these traffic conditions at any time To query routes. This enables the user to quickly and individual route planning regardless of the official Traffic news on the radio.
  • FIG. 1 shows in the form of a Block diagram of the basic function of the remote access system.
  • the core of the remote query system is the database 3, in which Information about traffic conditions on individual Track segments are saved. Every track segment is through its start and end point, if necessary also the street number, clearly defined and marked with the characteristic whether a Traffic disruption is present, preferably also the type of disruption is specified.
  • the remote query system obtains its information about traffic conditions, and thus those stored in database 3 Data, mainly from reports from private users, that this Information about a reporting channel, left side of Figure 1, by telephone to transfer. Additional information, e.g. official information of Traffic services or the police can also go directly to the database be included, which is not shown here.
  • this shows Remote query system an input element 1, on which by telephone can be accessed by dialing a specific phone number to pass information via the reporting channel or via the Query channel, right side of Figure 1, request information.
  • On the Query channel can also be accessed online via what shown here in dashed lines to distinguish it from telephone access is.
  • the remote query system has an output element 2, which guides the user to operate the system. With telephone Access to the reporting or query channel becomes audible to the user performed by the playback of predeterminable announcement texts.
  • a suitable screen mask which preferably is self-explanatory.
  • the input unit has a speech recognition unit which is used for Recognition and conversion of voice signals into computer usable Information serves.
  • the input unit determines when a call arrives determined from the natural speech signal via the message channel Keywords that unambiguously assign a Traffic information for a specific route segment or Allow chain of track segments. Likewise, upon receipt of a Call the route of interest determined via the query channel and in converted usable information. These keywords are sensibly the names of localities, junctions, Expressways and certain traffic disruptions.
  • the Speech recognition unit can specifically learn these keywords to have.
  • the information coming in via the reporting channel is stored in the database 3 involved. Locations are used to identify the person (s) Route segments, the indication of the disturbance to change the Disturbance feature. In addition, the time is displayed with the fault characteristic the message filed in the database. Via the reporting channel can a user may also be notified that a previously reported malfunction is no longer available. If such a message is received, the fault characteristic of the route in question is set to "no fault" set.
  • the messages received via the query channel become Identification of the route of interest analyzed.
  • the filters Speech recognition unit 4 as in the case of the fault message via the Message channel certain keywords from the natural speech signal and converts this into information with which a database query can be carried out.
  • a request is received via the Internet a conversion into usable data is not necessary, here it can Input element 1 without the aid of speech recognition 4, therefore, directly access database 3.
  • the fault characteristic is one or more in the query channel Route segments queried from the database. In doing so, a Disturbance feature only released for playback if it is sufficiently relevant, e.g. multiple times by independent users has been entered, represents official police information and / or is not too old.
  • the transmission of information to the user in the query channel is acoustically by the output element 2 like the user guidance predetermined announcement text modules that lead to an adapted speech signal be compiled, or on the Internet, making the Information is displayed on the screen by the user, accomplished.

Abstract

The system is accessible via the telephone network or internet, and has a databank (3) holding information relating to traffic congestion etc.. A signalling channel provides the information to a user upon interrogation. The databank is accessed via an input element (10) which differentiates between the signalling channel and the interrogation channel. The databank has a speech or word recognition device (4) for recognising key words in a telephone or internet call, for accessing the information relating to the required motorway section, fed to the user via an output element (2).

Description

Die Erfindung betrifft ein Fernabfragesystem zur Bereitstellung von Informationen über Verkehrsverhältnisse, insbesondere Stau, dichter Verkehr, Nebel, Glätte, Geisterfahrer, auf Schnellstraßen.The invention relates to a remote query system for providing Information about traffic conditions, especially traffic jams, denser Traffic, fog, slippery, ghost drivers, on expressways.

Informationen über die aktuelle Verkehrslage werden von Radiosendern meist nur in größerem zeitlichen Abstand, z.B. halbstündig, gesendet. Dadurch kommt es immer wieder vor, daß Autofaher in einen Stau geraten, weil sie zu spät darüber informiert werden. Dies ist insbesondere dann ärgerlich, wenn bei rechtzeitiger Kenntnis der Verkehrsverhältnisse eine andere Strecke hätte gewählt werden können. Andererseits tritt auch häufig der Fall auf, daß im Rundfunk vor einem Stau gewarnt wird, der sich in Wirklichkeit schon wieder aufgelöst hat. Hier richten sich Autofahrer auf Umwege ein, die bei Kenntnis der aktuellen Verkehrslage vermieden werden können. Da viele Sender außerdem ein großes Sendegebiet haben, sind die meisten Verkehrsinformationen für den Hörer irrelevant.Information about the current traffic situation is provided by radio stations usually only at a longer interval, e.g. half an hour, sent. As a result, car drivers often get stuck in a traffic jam, because they are informed too late. This is especially so annoying if, with timely knowledge of the traffic conditions a different route could have been chosen. On the other hand, too frequently the case that radio broadcasts warn of a traffic jam that in reality has already dissolved. Here align yourself Motorists on detours who are aware of the current traffic situation can be avoided. Since many channels also a big one Most of the traffic information is for the listener irrelevant.

Nachteilig an den bekannten Staumeldesystemen ist daher, daß sie nicht flexibel auf die aktuelle Verkehrslage reagieren können, da die Zeit von der Entstehung bis zur Meldung eines Staus sowie bis zur Aussendung der Staumeldung im Rundfunk oft sehr lang ist.A disadvantage of the known traffic jam systems is that they are not can react flexibly to the current traffic situation, as the time of the day Origin until a traffic jam is reported and until the Traffic jam reports are often very long.

Es sind telefonische Fernabfragesysteme bekannt, welche beispielsweise zur Abfrage von Kontoständen oder Vornahme von Buchungen bei Telefonbanking oder zum telefonischen Bestellen im Versandhandel dienen. Der Benutzer wird dabei mit einem Ansagetext aus vorbestimmbaren Ansagetextbausteinen zur Benutzung angeleitet bzw. werden ihm die gewünschten Informationen übermittelt, wobei der Benutzer seine Befehle über die Tastatur seines Telefons im Mehrfrequenzverfahren codiert abgibt. Weiterhin sind telefonische Fernabfragesysteme bekannt, deren Bedienung und Steuerung über reine Sprachsignale erfolgt, welche eine Spracherkennungseinheit des Fernabfragesystems auszuwerten imstande ist. Telephonic remote access systems are known which are used, for example, for Querying account balances or making bookings at Telephone banking or order by telephone in mail order. The user is made of predeterminable with an announcement text Announcement text blocks are instructed for use or the Desired information transmitted, the user his commands outputs coded using the keypad of his phone using the multi-frequency method. Furthermore, remote telephone inquiry systems are known, their operation and control via pure voice signals, which a Able to evaluate the speech recognition unit of the remote access system is.

Es sind als Fernabfragesystem weiterhin Online-Dienste im Internet bekannt, welche einem Benutzer Informationen aus einer Datenbank auf Anforderung zur Verfügung stellen.Online services on the Internet continue to function as a remote query system Known what information a user based on a database Provide request.

Der Erfindung liegt die Aufgabe zugrunde, ein Staumeldesystem zur Verfügung zu stellen, welches möglichst aktuelle Informationen über die Verkehrsverhältnisse bereitzustellen imstande ist und diese zu beliebigen Zeitpunkten für Interessierte zugänglich macht.The invention has for its object to provide a traffic jam system To make available which information about the Is able to provide traffic conditions and this to any Makes times available for those interested.

Die Aufgabe wird gelöst durch ein Fernabfragesystem zur Bereitstellung von Informationen über Verkehrsverhältnisse auf Schnellstraßen mit einem Eingangselement, welches Benutzerangaben zu erkennen imstande ist, sowie einem Ausgangselement, welches vorbestimmbare Textbausteine zusammenzustellen und dem Benutzer als von diesem wahrnehmbares Signal zu übermitteln imstande ist. Das Eingangselement entnimmt den Benutzerangaben, die über einen Meldekanal eingehen, Informationen über Ort und Art der Verkehrsstörung, welche zusammen mit Informationen über den Zeitpunkt des Aurufs in einer Datenbank ablegt werden. Weiterhin entnimmt es den Benutzerangaben, die über einen Abfragekanal eingehen, Informationen über die interessierende Strecke, worauf das Fernabfragesystem eine Datenbankabfrage für die betreffende Strecke vornimmt, und die ermittelten Informationen über die Verkehrsverhältnisse dem Benutzer durch das Ausgangselement mitgeteilt werden. Das erfindungsgemäße Fernabfragesystem arbeitet hauptsächlich auf telefonischer Basis, wobei Anrufer über den Meldekanal die Datenbank mit Informationen versorgen und diese über einen Abfragekanal wieder abrufen können. Darüberhinaus ist jedoch auch eine Online-Abfragemöglichkeit über das Internet vorgesehen.The task is solved by a remote inquiry system for the provision of Information about traffic conditions on expressways with a Input element, which user information is able to recognize, and an output element, which predeterminable text modules compile and the user as perceivable by this Is able to transmit signal. The input element takes the User information received via a reporting channel, information about Location and type of traffic disruption, together with information be stored in a database about the time of the call. Farther it takes from the user information that is received via a query channel, Information about the route of interest, what the Remote query system a database query for the route in question carries out, and the determined information about the Traffic conditions communicated to the user through the output element will. The remote query system according to the invention works mainly on a telephone basis, with callers using the reporting channel the database provide with information and this again via a query channel can retrieve. In addition, there is also an online query option provided on the Internet.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Further advantageous embodiments of the invention are in the Subclaims marked.

Das erfindungsgemäße Fernabfragesystem leitet den Benutzer bei telefonischem Zugang mit einem Ansagetext aus vorbestimmbaren Ansagetextbausteinen zur Benutzung an. Diese Ansagetexte werden dem Anrufer akustisch durch das Ausgangselement übermittelt. Ebenso werden ihm die Informationen übermittelt, die der Anrufer bei einer Abfrage der Verkehrsverhältnisse aus der Datenbank angefragt hat. Zur Bedienung des erfindungsgemäßen Fernabfragesystems über reine Sprachsignale ist es notwendig, daß das Fernabfragesystem die von einem Anrufer übermittelten Informationen über den Ort und die Art einer Verkehrsstörung (Meldekanal) bzw. die ihn interessierende Strecke (Abfragekanal) erkennt. Dazu weist das Eingangselement des Fernabfragesystems eine Spracherkennungseinheit auf, die aus der natürlichen Sprache des Anrufers bestimmte Schlüsselwörter erkennt und diese in rechnerverwertbare Informationen umwandelt, welche dann in die Datenbank einfließen bzw. mit deren Hilfe eine Datenbankabfrage durchführbar ist. Diese Schlüsselwörter sind vorzugsweise sämtliche Autobahn- und Bundesstraßenbezeichnungen, Namen von Ortschaften, sowie von Anschlußstellen und Autobahnkreuzen. Weiterhin sollte die Spracherkennungseinheit die verschiedenen Arten von Verkehrsstörungen, z.B. Stau, dichter Verkehr, Nebel, Glätte, Geisterfahrer, identifizieren können.The remote query system according to the invention guides the user telephone access with an announcement from predeterminable Announcement text modules for use. These announcement texts are the Caller transmitted acoustically through the output element. Likewise, it transmits the information that the caller has when querying the Traffic conditions from the database. To operate the It is remote inquiry system according to the invention via pure voice signals necessary for the remote answering system to transmit those transmitted by a caller Information about the location and type of traffic disruption (Reporting channel) or the route that interests him (query channel). For this purpose, the input element of the remote query system has a Speech recognition unit based on the natural language of the Caller recognizes certain keywords and uses them in converts usable information, which is then converted into the Database or with the help of a database query is feasible. These keywords are preferably all Motorway and federal road names, names of localities, as well as junctions and motorway junctions. Furthermore, the Speech recognition unit the different types of traffic disruption, e.g. Traffic jam, heavy traffic, fog, slippery, ghost driver, identify can.

Um die Spracherkennung zu erleichtern, fordert das Fernabfragesystem vorzugsweise den Benutzer nacheinander zur Eingabe ausschließlich dieser Schlüsselwörter auf. Hat das System ein Schlüsselwort nicht erkannt, so fordert es den Benutzer zur nochmaligen Eingabe auf.In order to facilitate speech recognition, the remote query system requests preferably the user in turn to enter only this Keywords on. If the system did not recognize a keyword, then so it prompts the user to enter it again.

Die Abfrage der Verkehrsverhältnisse online über das Internet geschieht vorzugsweise mittels einer geeigneten Bildschirmmaske, welche den Benutzer zur Eingabe der interessierenden Strecke an seinem Terminal auffordert. Zur Erleichterung der Bedienung bietet das Fernabfragesystem dem Benutzer vorzugsweise die relevanten Schlüsselwörter zur Charakterisierung der Fahrtstrecke in einer Liste an, aus welcher der Benutzer nur auswählen muß. Es kann weiterhin auch eine Straßenkarte dargestellt werden, auf der der Benutzer den interessierenden Streckenabschnitt durch Anklicken auswählen kann bzw. auf der aktuelle Verkehrsstörungen bereits optisch markiert sind.Traffic conditions are queried online via the Internet preferably using a suitable screen mask, which the User to enter the route of interest at his terminal prompts. The remote control system offers ease of operation the user preferably the relevant keywords Characterize the route in a list from which the User only needs to select. It can also be a street map on which the user is interested Select route section by clicking or on the current one Traffic disruptions are already optically marked.

Je nachdem, über welchen Kanal ein Anruf beim Fernabfragesystem eingegangen ist, wird die aus den Schlüsselwörtern gebildete Information über den Ort einer Verkehrsstörung oder eine den Benutzer interessierende Fahrtstrecke in der Datenbank abgelegt bzw. aus der Datenbank abgefragt.Depending on the channel via which a call to the remote access system is made is received, the information formed from the keywords about the location of a traffic disruption or one that interests the user The route is stored in the database or queried from the database.

Die Datenbank kann dabei aus einer Auflistung aller Autobahn- und Bundesstraßenstreckensegmente, charakterisiert durch Anfangs- und Endpunkt wie Anschlußstelle(n) und/oder Autobahnkreuz oder Ortschaft, bestehen. Diese Streckensegmente sind jeweils mit der Eigenschaft

Figure 00040001
Stau", "dichter Verkehr", "Glätte" usw. beziehungsweise keine Störung" gekennzeichnet. Vorzugsweise ist zusätzlich zu diesen Merkmalen die Anzahl der zu dem betreffenden Streckensegment eingegangenen Meldungen sowie deren Uhrzeit gespeichert. Dies erleichtert eine Bewertung der Relevanz der vorliegenden Störungsmeldungen.The database can consist of a list of all motorway and federal road segment segments, characterized by starting and ending points such as junction (s) and / or motorway junction or town. These track segments are each with the property
Figure 00040001
Traffic jam "," heavy traffic "," smoothness "etc. respectively no malfunction ". In addition to these features, the number of messages received for the relevant route segment and their time is preferably stored. This facilitates an assessment of the relevance of the existing malfunction messages.

Informationen die älter als ein vorgegebenes Zeitintervall sind, beispielsweise eine halbe oder eine Stunde, werden dabei vorzugsweise automatisch aus der Datenbank gelöscht. Um Mißbrauch vorzubeugen und nur relevante Störungsmeldungen weiterzugeben, werden Informationen aus der Datenbank vorzugsweise nur dann zur Abfrage freigegeben, wenn sie mehrfach, z. B. wenigstens dreifach, eingegangen sind.Information that is older than a specified time interval, for example, half an hour or an hour, are preferred automatically deleted from the database. To prevent abuse and Only passing on relevant fault reports becomes information released from the database for query only if them multiple times, e.g. B. have been received at least three times.

Das Löschen einer Störungsmeldung kann auch benutzergesteuert durch die Mitteilung erfolgen, daß eine für eine bestimmte Strecke gemeldete Störung nicht mehr existiert. Vorzugsweise muß auch eine derartige Löschungsmeldung mehrfach verifiziert werden, um tatsächlich die Löschung des betreffenden Störungseintrags zu bewirken.The deletion of a fault message can also be controlled by the user the message that a reported for a certain route Fault no longer exists. Preferably, such a Deletion notification to be verified multiple times to actually get the To delete the relevant fault entry.

Das Füllen der Datenbank geschieht durch Anrufer, welche dem Fernabfragesystem Informationen zur Verkehrslage übermitteln. Gegenwärtig besitzen viele Autofahrer ein Mobiltelefon, mit welchem sie leicht dem Fernabfragesystem Störungen melden können. Ein derartiger Anruf geht dabei über einen Meldekanal beim Fernabfragesystem ein. Entsprechend können Informationen über die Verkehrslage über einen Abfragekanal telefonisch abgerufen werden. Melde- und Abfragekanal können entweder durch zwei verschiedene Rufnummern oder durch eine Eingangsabfrage unterschieden werden. Weiterhin ist ein Zugang zum Abfragekanal über das Internet vorgesehen.The database is filled by callers who use the remote access system Provide traffic information. Currently many drivers have a mobile phone with which they can easily Remote query system can report malfunctions. Such a call goes thereby via a reporting channel with the remote access system. Corresponding can provide information about the traffic situation via a query channel can be called up by telephone. Message and query channel can either by two different phone numbers or by an input query be distinguished. Furthermore, access to the query channel is via the internet provided.

Beim Eingang eines Anrufs über den Meldekanal wird der Anrufer zunächst aufgefordert, Straßenbezeichnung, Fahrtrichtung, Ort und Art der Verkehrsstörung anzugeben, vorzugsweise durch Angabe der betreffenden Anschlußstellen bzw. Autobahnkreuze. Diese Angaben werden von der Spracherkennungseinheit in rechnerverwertbare Informationen über die gestörte Fahrtstrecke umgewandelt. Der Rechner stellt dabei anhand der Fahrtrichtung und Autobahnbezeichnung bzw. anhand der jeweiligen Anschlußstellen oder Kreuzungspunkte fest, in welchem Streckensegment sich die Störung befindet. In der Datenbank wird daraufhin das entsprechende Streckensegment mit der Bezeichnung Stau" bzw. der jeweiligen Störung markiert. Weiterhin wird die Uhrzeit des Anrufs gespeichert. Die Eingabe der Informationen durch den Benutzer kann auch teilweise durch Tastaturbefehle erfolgen, z.B. Stau"=Ziffer 1, "dichter Verkehr" =Ziffer 2 usw..When a call arrives via the reporting channel, the caller is first asked to indicate the street name, direction of travel, location and type of traffic disruption, preferably by specifying the relevant junctions or motorway junctions. The speech recognition unit converts this information into computer-usable information about the disrupted route. The computer determines on the basis of the direction of travel and the name of the motorway or on the basis of the respective connection points or intersection points in which route segment the fault is located. The corresponding route segment is then named in the database Traffic jam "or the respective fault. The time of the call is also saved. The user can also enter the information partially by keyboard commands, for example Traffic jam "= number 1," heavy traffic "= number 2 etc.

Das Fernabfragesystem spielt vorzugsweise die von der Spracherkennungseinheit erkannten und umgewandelten Informationen, zusammengesetzt aus gespeicherten Textbausteinen, dem Anrufer mit Hilfe des Ausgangselements wieder vor und nimmt sie erst nach dessen Bestätigung in die Datenbank auf. Diese Bestätigung, daß die Sprachsignale richtig erkannt wurden, kann beispielsweise per Tastendruck mehrfrequenzcodiert oder ebenfalls per Spracheingabe erfolgen. Ein über den Meldekanal eingehender Anruf ist vorzugsweise gebührenfrei.The remote query system preferably plays that of the Speech recognition unit recognized and converted information, composed of saved text modules, the caller with the help the starting element again and takes it only after it Confirmation in the database. This confirmation that the speech signals recognized correctly, for example by pressing a button multi-frequency coded or also by voice input. An over Incoming calls to the reporting channel are preferably free of charge.

Mit einem über den Abfragekanal eingehenden Anruf oder über das Internet kann der Benutzer die Straßenverhältnisse auf bestimmten Strecken erfragen. Im telefonischen Fall wird er dazu vom Fernabfragesystem mittels des Ausgangselements zur Angabe von Straßenbezeichnungen und Fahrtrichtungen und ggf. des geplanten Streckenabschnitts aufgefordert. Aus dem Sprachsignal des Benutzers ermittelt die Spracherkennungseinheit wiederum wie im Meldefall die Schlüsselwörter und wandelt diese in rechnerverwertbare Informationen um. Mit dieser Information wird die Zuordnung zu einem in der Datenbank gespeicherten Streckenabschnitt getroffen, welcher aus einem oder mehreren Streckensegmenten bestehen kann. Diese Streckensegmente sind jeweils mit dem Merkmal Störung" bzw. keine Störung" markiert. Falls in dem interessierenden Streckenabschnitt ein Streckensegment mit der Markierung Störung" vorliegt und dieses zur Abfrage freigegeben ist, wird dieses dem Benutzer mit Angabe von Anfang und Endpunkt des Streckensegments mitgeteilt. Falls mehrere aufeinanderfolgende Streckensegmente mit Stau" markiert sind, erfolgt jeweils nur die Mitteilung des Anfangs- und Endpunkts der gesamten Kette. Analog wird bei der Internet-Abfrage verfahren, wobei hier die Umwandlung der natürlichen Sprache in rechnerverwertbare Information und zurück in Ansagetexte entfällt. The user can inquire about the road conditions on certain routes with a call coming in via the query channel or via the Internet. In the case of a phone call, the remote query system uses the output element to request street names and directions and, if applicable, the planned route section. As in the event of a report, the speech recognition unit in turn determines the keywords from the user's speech signal and converts them into information that can be used by the computer. With this information, the assignment to a route section stored in the database is made, which can consist of one or more route segments. These route segments are each with the characteristic Disorder "or no disturbance ". If there is a route segment with the marking in the route section of interest If there is a fault "and this is released for querying, the user is informed of this by specifying the start and end point of the route segment Congestion "are marked, only the beginning and end point of the entire chain are reported. The same applies to the Internet query, whereby the conversion of natural language into computer-usable information and back into announcement texts is omitted.

Liegt eine Störung vor, bietet das Fernabfragesystem vorzugsweise dem Benutzer an, eine ungestörte Ausweichstrecke zu ermitteln und teilt ihm diese auf Wunsch mit.If there is a fault, the remote query system preferably offers that User to determine an undisturbed evasion route and notify him these on request.

Die dem Anrufer übermittelte Nachricht ist aus mehreren Ansagetextbausteinen zusammengesetzt, z.B. aus einem Grundbaustein wie Auf der... zwischen... und ... ist... gemeldet.", wobei die Lücken in diesem Grundbaustein mit den ebenfalls als Ansagetextbausteinen gespeicherten Schlüsselwörtern z. B. A 5, Anschlußstelle XY, ein Stau" gefüllt werden. Liegt keine Störung auf der abgefragten Strecke vor, so wird dieses in einer Standardmeldung mitgeteilt. Konnte die geplante Strecke nicht von der Spracherkennungseinheit identifiziert werden, so wird der Anrufer vorzugsweise zur erneuten Eingabe aufgefordert.The message transmitted to the caller is composed of several announcement text modules, for example a basic module such as On the ... between ... and ... is reported. ", Whereby the gaps in this basic module with the keywords also stored as announcement text modules e.g. A 5, junction XY, a traffic jam ". If there is no disturbance on the queried route, this is communicated in a standard message. If the planned route could not be identified by the speech recognition unit, the caller is preferably requested to enter it again.

Offizielle polizeiliche Informationen zur Verkehrslage werden vorzugsweise in die Datenbank einbezogen. Gegebenenfalls sind sie stets zur Abfrage freigegeben und bedürfen keiner Bestätigung durch weitere Meldungen.Official police information on the traffic situation is preferred included in the database. If necessary, they are always available for consultation released and do not require confirmation by further reports.

Mit dem erfindungsgemäßen Fernabfragesystem steht ein Mittel zur Bereitstellung von Informationen über Verkehrsverhältnisse zur Verfügung, welches flexibel auf bestehende und sich schnell ändernde Verkehrsverhältnisse zu reagieren imstande ist. Weiterhin bietet es die Möglichkeit, diese Verkehrsverhältnisse jederzeit selektiv für bestimmte Strecken abzufragen. Dies ermöglicht dem Benutzer eine schnelle und individuelle Streckenplanung unabhängig von den offiziellen Verkehrsnachrichten im Radio.The remote inquiry system according to the invention provides a means Providing information about traffic conditions Available, which is flexible to existing and rapidly changing Is able to react to traffic conditions. It also offers the Possibility to selectively select these traffic conditions at any time To query routes. This enables the user to quickly and individual route planning regardless of the official Traffic news on the radio.

Ein Beispiel der Erfindung ist in der Zeichnung dargestellt und im folgenden beschrieben. Dabei zeigt die Figur 1 in Form eines Blockschaltbilds die prinzipielle Funktion des Fernabfragesystems.An example of the invention is shown in the drawing and in described below. 1 shows in the form of a Block diagram of the basic function of the remote access system.

Kernstück des Fernabfragesystems ist die Datenbank 3, in welcher Informationen über Verkehrsverhältnisse auf einzelnen Streckensegmenten gespeichert sind. Jedes Streckensegment ist durch seinen Anfangs- und Endpunkt, gegebenenfalls auch die Straßennummer, eindeutig festgelegt und mit dem Merkmal gekennzeichnet, ob eine Verkehrsstörung vorliegt, wobei vorzugsweise auch die Art der Störung angegeben ist. The core of the remote query system is the database 3, in which Information about traffic conditions on individual Track segments are saved. Every track segment is through its start and end point, if necessary also the street number, clearly defined and marked with the characteristic whether a Traffic disruption is present, preferably also the type of disruption is specified.

Das erfindungsgemäße Fernabfragesystem bezieht seine Informationen über Verkehrsverhältnisse, und damit die in der Datenbank 3 abgelegten Daten, hauptsächlich aus Meldungen von Privatbenutzern, die diese Informationen über einen Meldekanal, linke Seite der Figur 1, telefonisch übermitteln. Zusätzliche Informationen, z.B. offizielle Informationen der Verkehrsdienste oder der Polizei, können ebenfalls direkt in die Datenbank einbezogen werden, was hier nicht dargestellt ist.The remote query system according to the invention obtains its information about traffic conditions, and thus those stored in database 3 Data, mainly from reports from private users, that this Information about a reporting channel, left side of Figure 1, by telephone to transfer. Additional information, e.g. official information of Traffic services or the police can also go directly to the database be included, which is not shown here.

Als Schnittstelle zwischen Mensch und Maschine weist das Fernabfragesystem ein Eingangselement 1 auf, auf welches telefonisch durch Wahl einer bestimmten Rufnummer zugegriffen werden kann, um über den Meldekanal Informationen zu übergeben bzw. über den Abfragekanal, rechte Seite der Figur 1, Informationen anzufordern. Auf den Abfragekanal kann auch online über das Internet zugegriffen werden, was hier zur Unterscheidung vom telefonischen Zugriff gestrichelt dargestellt ist. Weiterhin weist das Fernabfragesystem ein Ausgangselement 2 auf, welches den Benutzer zur Bedienung des Systems anleitet. Bei telefonischem Zugriff auf den Melde- oder Abfragekanal wird der Benutzer akustisch durch die Wiedergabe von vorbestimmbaren Ansagetexten geführt. Bei der Benutzung des Fernabfragesystems über das Internet erfogt die Anleitung des Benutzers über eine geeignete Bildschirmmaske, die vorzugsweise selbsterklärend ist.As an interface between man and machine, this shows Remote query system an input element 1, on which by telephone can be accessed by dialing a specific phone number to pass information via the reporting channel or via the Query channel, right side of Figure 1, request information. On the Query channel can also be accessed online via what shown here in dashed lines to distinguish it from telephone access is. Furthermore, the remote query system has an output element 2, which guides the user to operate the system. With telephone Access to the reporting or query channel becomes audible to the user performed by the playback of predeterminable announcement texts. In the Use of the remote access system via the Internet is carried out according to the instructions of the user via a suitable screen mask, which preferably is self-explanatory.

Die Eingangseinheit weist eine Spracherkennngseinheit auf, welche zur Erkennung und Umwandlung von Sprachsignalen in rechnerverwertbare Information dient. Die Eingangseinheit ermittelt bei Eingang eines Anrufs über den Meldekanal aus dem natürlichen Sprachsignal bestimmte Schlüsselwörter, welche die eindeutige Zuordnung einer Verkehrsinformation zu einem bestimmten Streckensegment oder einer Kette von Streckensegmenten erlauben. Ebenso wird bei Eingang eines Anrufs über den Abfragekanal die interessierende Strecke ermittelt und in rechnerverwertbare Information umgewandelt. Diese Schlüsselwörter sind sinnvollerweise die Namen von Ortschaften, Anschlußstellen, Schnellstraßen sowie bestimmte Verkehrsstörungen. Die Spracherkennungseinheit kann speziell diese Schlüsselwörter gelernt haben.The input unit has a speech recognition unit which is used for Recognition and conversion of voice signals into computer usable Information serves. The input unit determines when a call arrives determined from the natural speech signal via the message channel Keywords that unambiguously assign a Traffic information for a specific route segment or Allow chain of track segments. Likewise, upon receipt of a Call the route of interest determined via the query channel and in converted usable information. These keywords are sensibly the names of localities, junctions, Expressways and certain traffic disruptions. The Speech recognition unit can specifically learn these keywords to have.

Die über den Meldekanal eingehende Information wird in die Datenbank 3 einbezogen. Ortsangaben dienen zur Identifizierung des bzw. der Streckensegmente, die Angabe der Störung zur Veränderung des Störungsmerkmals. Weiterhin wird mit dem Störungsmerkmal die Uhrzeit der Meldung in der Datenbank abgelegt. Über den Meldekanal kann durch einen Benutzer auch mitgeteilt werden, daß eine zuvor gemeldete Störung inzwischen nicht mehr vorhanden ist. Geht eine solche Meldung ein, wird das Störungsmerkmal der betreffenden Strecke wieder auf "keine Störung" gesetzt.The information coming in via the reporting channel is stored in the database 3 involved. Locations are used to identify the person (s) Route segments, the indication of the disturbance to change the Disturbance feature. In addition, the time is displayed with the fault characteristic the message filed in the database. Via the reporting channel can a user may also be notified that a previously reported malfunction is no longer available. If such a message is received, the fault characteristic of the route in question is set to "no fault" set.

Die über den Abfragekanal eingehenden Meldungen werden zur Identifizierung der interessierenden Strecke analysiert. Dabei filtert die Spracherkennungseinheit 4 wie bei der Störungsmeldung über den Meldekanal bestimmte Schlüsselwörter aus dem natürlichen Sprachsignal und wandelt diese in Information um, mit der eine Datenbankabfrage durchgeführt werden kann. Bei Eingang einer Anfrage über das Internet ist eine Umwandlung in rechnerverwertbare Daten nicht nötig, hier kann das Eingangselement 1 ohne Zuhilfenahme der Spracherkennung 4 daher direkt auf die Datenbank 3 zugreifen.The messages received via the query channel become Identification of the route of interest analyzed. The filters Speech recognition unit 4 as in the case of the fault message via the Message channel certain keywords from the natural speech signal and converts this into information with which a database query can be carried out. When a request is received via the Internet a conversion into usable data is not necessary, here it can Input element 1 without the aid of speech recognition 4, therefore, directly access database 3.

Im Abfragekanal wird das Störungsmerkmal eines oder mehrerer Streckensegmente aus der Datenbank abgefragt. Dabei wird ein Störungsmerkmal nur dann zur Wiedergabe freigegeben, wenn es ausreichend relevant ist, z.B. mehrfach von unabhängigen Benutzern eingegeben wurde, eine offizielle polizeiliche Information darstellt und/oder nicht zu alt ist.The fault characteristic is one or more in the query channel Route segments queried from the database. In doing so, a Disturbance feature only released for playback if it is sufficiently relevant, e.g. multiple times by independent users has been entered, represents official police information and / or is not too old.

Liegt eine Störungsmeldung für die betreffende Strecke nicht vor oder ist diese nicht zur Abfrage freigegeben, wird dem Benutzer vom Ausgangselement 2 mitgeteilt, daß die interessierende Strecke nicht gestört ist. Im Falle einer freigegebenen Störungsmeldung wird dieses dem Benutzer unter Angabe von Ort und Art der Störung übermittelt.If there is no fault message for the route in question or it is this is not released for querying, the user will Output element 2 communicated that the route of interest is not disturbed is. In the case of a released error message, this will be the User submitted stating the location and type of fault.

Die Übermittlung von Informationen an den Benutzer im Abfragekanal wird vom Ausgangselement 2 wie die Benutzerführung akustisch durch vorbestimmte Ansagetextbausteine, die zu einem angepaßten Sprachsignal zusammengestellt werden, oder über das Internet, wodurch die Informationen benutzerseitig auf dem Bildschirm dargestellt werden, bewerkstelligt.The transmission of information to the user in the query channel is acoustically by the output element 2 like the user guidance predetermined announcement text modules that lead to an adapted speech signal be compiled, or on the Internet, making the Information is displayed on the screen by the user, accomplished.

Claims (14)

Fernabfragesystem zur Bereitstellung von Informationen über Verkehrsverhältnisse auf Schnellstraßen mit einem Eingangselement, welches Benutzerangaben zu erkennen imstande ist, sowie einem Ausgangselement, welches vorbestimmbare Textbausteine zusammenzustellen und dem Benutzer als von diesem wahrnehmbares Signal zu übermitteln imstande ist, dadurch gekennzeichnet,
daß das Eingangselement den Benutzerangaben, die über einen Meldekanal eingehen, Informationen über Ort und Art der Verkehrsstörung entnimmt, welche zusammen mit Informationen über den Zeitpunkt des Anrufs in einer Datenbank ablegt werden, sowie den Benutzerangaben, die über einen Abfragekanal eingehen, Informationen über die interessierende Strecke entnimmt, worauf das Fernabfragesystem eine Datenbankabfrage für die betreffende Strecke vornimmt, und die ermittelten Informationen über die Verkehrsverhältnisse dem Benutzer durch das Ausgangselement mitgeteilt werden.Remote query system for providing information about traffic conditions on expressways with an input element, which is able to recognize user information, and an output element, which is able to compile predefined text modules and to transmit to the user as a signal perceivable by this, characterized in that
that the input element extracts information about the location and type of the traffic disruption from the user information that is received via a reporting channel, which information is stored in a database together with information about the time of the call, and the user information that is received via a query channel, information about the interested party Takes route, whereupon the remote query system makes a database query for the route in question, and the determined information about the traffic conditions is communicated to the user by the output element. Fernabfragesystem nach Anspruch 1, dadurch gekennzeichnet,
daß das Fernabfragesystem telefonisch zugänglich ist, wobei das Eingangselement die Unterscheidung zwischen Melde- und Abfragekanal trifft und eine Spracherkennungseinheit enthält, welche Schlüsselwörter aus einem eingehenden Telefonanruf zu erkennen und in rechnerverwertbare Information über Ort und Art der Verkehrsstörung bzw. die interessierende Strecke umzuwandeln imstande ist, sowie das Ausgangselement vorbestimmbare Ansagetextbausteine zusammenzustellen und telefonisch als Sprachsignal auszugeben imstande ist.Remote query system according to claim 1, characterized in
that the remote query system is accessible by telephone, the input element making the distinction between the message and query channel and containing a speech recognition unit which can recognize key words from an incoming telephone call and convert it into computer-usable information about the location and type of traffic disruption or the route of interest, and to compile the output element of predeterminable announcement text modules and to output them by telephone as a voice signal. Fernabfragesystem nach Anspruch 1 oder 2, dadurch gekennzeichnet,
daß der Abfragekanal des Fernabfragesystems über das Internet zugänglich ist, wobei das Eingangselement den Benutzer zur Angabe der interessierenden Strecke auffordert, vorzugsweise dazu Schlüsselwörter zur Auswahl anbietet, und das Ausgangselement dem Benutzer Ort und Art der Verkehrsstörung auf der betreffenden Strecke anzeigt.Remote query system according to claim 1 or 2, characterized in
that the query channel of the remote query system is accessible via the Internet, the input element prompting the user to indicate the route of interest, preferably offering keywords for selection, and the output element indicating to the user the location and type of traffic disruption on the route in question. Fernabfragesystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet,
daß die Schlüsselwörter sämtliche Autobahn-, vorzugsweise auch Bundesstraßenbezeichnungen, Namen von Ortschaften sowie von Anschlußstellen und Kreuzungspunkten sind.Remote query system according to one of claims 1 to 3, characterized in
that the key words are all freeway, preferably also federal road names, names of localities as well as of junctions and crossing points. Fernabfragesystem nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet,
daß die Schlüsselwörter als Textbausteine gespeichert sind.Remote query system according to one of the preceding claims, characterized in that
that the keywords are stored as text modules. Fernabfragesystem nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet,
daß das Fernabfragesystem bei Eingang eines Telefonanrufs über den Meldekanal mittels gespeicherter Ansagetexte den Benutzer zur Angabe von Straßenbezeichnung, Fahrtrichtung und Ort der Verkehrsstörung, vorzugsweise Angabe der betreffenden Anschlußstellen bzw. Kreuzungspunkte, auffordert.Remote query system according to one of the preceding claims, characterized in that
that the remote query system prompts the user to specify the street name, direction of travel and location of the traffic disruption, preferably the relevant connection points or intersection points, when the user receives a telephone call via the reporting channel by means of stored announcement texts. Fernabfragesystem nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet,
daß das Fernabfragesystem bei Eingang eines Telefonanrufs über den Abfragekanal mittels gespeicherter Ansagetexte den Benutzer zur Angabe der Straßenbezeichnung, Fahrtrichtung und gegebenenfalls des geplanten Streckenabschnitts auffordert.Remote query system according to one of the preceding claims, characterized in that
that the remote query system prompts the user to enter the street name, direction of travel and, if applicable, the planned route section when a telephone call is received via the query channel by means of stored announcement texts. Fernabfragesystem nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet,
daß von Benutzern übermittelte Informationen über die Verkehrslage nach einem vorbestimmbaren Zeitintervall automatisch aus der Datenbank entfernt werden.Remote query system according to one of the preceding claims, characterized in that
that information about the traffic situation transmitted by users is automatically removed from the database after a predeterminable time interval. Fernabfragesystem nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet,
daß die Löschung einer in der Datenbank gespeicherten Information über die Verkehrslage aufgrund neuer, über den Meldekanal eingegangener Daten erfolgt, vorzugsweise wenn diese mehrfach verifiziert sind.Remote query system according to one of the preceding claims, characterized in that
that the information about the traffic situation stored in the database is deleted on the basis of new data received via the reporting channel, preferably if these have been verified several times. Fernabfragesystem nach Anspruch 9, dadurch gekennzeichnet,
daß das Eingangselement im Meldekanal eine Abfrage vormimmt, ob eine gemeldete Verkehrsstörung nicht mehr vorliegt. Remote query system according to claim 9, characterized in
that the input element makes a query in the reporting channel as to whether a reported traffic incident is no longer present. Fernabfragesystem nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet,
daß Informationen aus der Datenbank nur dann zur Abfrage freigegeben werden, wenn sie mehrfach, vorzugsweise wenigstens dreifach, eingegangen sind.Remote query system according to one of the preceding claims, characterized in that
that information from the database is only released for querying if it has been received several times, preferably at least three times. Fernabfragesystem nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet,
daß offizielle polizeiliche Informationen in die Datenbank einbezogen werden.Remote query system according to one of the preceding claims, characterized in that
that official police information is included in the database. Fernabfragesystem nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet,
daß offizielle polizeiliche Informationen stets zur Abfrage freigegeben sind und keiner Bestätigung durch weitere Meldungen bedürfen.Remote query system according to one of the preceding claims, characterized in that
that official police information is always available for consultation and does not require confirmation by further reports. Fernabfragesystem nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet,
daß bei telefonischer Benutzung des Fernabfragesystems die Unterscheidung zwischen Melde- und Abfragekanal über verschiedene Rufnummern oder über eine Eingangsabfrage getroffen wird.Remote query system according to one of the preceding claims, characterized in that
that when using the remote access system by telephone, the distinction between message and access channel is made via different phone numbers or via an input request.
EP98107774A 1997-06-27 1998-04-29 Remote interrogation system to prepare information about the traffic conditions on motorways Expired - Lifetime EP0887782B1 (en)

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ATE244913T1 (en) 2003-07-15
DE19727388B4 (en) 2004-08-12
EP0887782B1 (en) 2003-07-09
EP0887782A3 (en) 2000-05-31
DE59808950D1 (en) 2003-08-14
DE19727388A1 (en) 1999-02-04

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