EP0768632A2 - Radio receiver for road vehicles with RDS decoder for digital signals - Google Patents

Radio receiver for road vehicles with RDS decoder for digital signals Download PDF

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Publication number
EP0768632A2
EP0768632A2 EP96115318A EP96115318A EP0768632A2 EP 0768632 A2 EP0768632 A2 EP 0768632A2 EP 96115318 A EP96115318 A EP 96115318A EP 96115318 A EP96115318 A EP 96115318A EP 0768632 A2 EP0768632 A2 EP 0768632A2
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EP
European Patent Office
Prior art keywords
navigation system
traffic information
digital signals
radio signal
signal receiver
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
EP96115318A
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German (de)
French (fr)
Other versions
EP0768632B1 (en
EP0768632A3 (en
Inventor
Walter Weishaupt
Christian Wiesmeier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
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Publication of EP0768632A3 publication Critical patent/EP0768632A3/en
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Publication of EP0768632B1 publication Critical patent/EP0768632B1/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/68—Systems specially adapted for using specific information, e.g. geographical or meteorological information
    • H04H60/70—Systems specially adapted for using specific information, e.g. geographical or meteorological information using geographical information, e.g. maps, charts or atlases
    • 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
    • G08G1/09675—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/55—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/33—Arrangements for simultaneous broadcast of plural pieces of information by plural channels
    • H04H20/34—Arrangements for simultaneous broadcast of plural pieces of information by plural channels using an out-of-band subcarrier signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/13—Aspects of broadcast communication characterised by the type of broadcast system radio data system/radio broadcast data system [RDS/RBDS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/49—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying locations
    • H04H60/51—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying locations of receiving stations

Abstract

The receiver converts digital signals into traffic information using a table. The signals from the decoder are fed via a data link to a navigation system with a route data memory. The navigation system contains the table and generates the traffic information. The navigation system converts the traffic information into acoustic form via a speech memory and can output the traffic information in visual form. The information is recorded in map section form. The navigation system feeds the traffic information into the planned route and can store at least some of the digital signals.

Description

Die Erfindung bezieht sich auf einen Funksignalempfänger für Kraftfahrzeuge mit den Merkmalen, die im Oberbegriff des Patentanspruchs 1 angegeben sind.The invention relates to a radio signal receiver for motor vehicles with the features that are specified in the preamble of claim 1.

Die Verkehrsinformationen sind in der Fachwelt unter der Bezeichnung TMC (traffic message channel) bekannt. Probleme eines derartigen Rundfunkempfängers bestehen hinsichtlich der Anpassung oder der Änderungen der Tabelle für die zugrundeliegenden Standards und der Daten, der für die Codierung und Decodierung der digitalen Signale verwendet werden. Darunter sind i.w. Ortscodes und Standardtexte zu verstehen. Ein Rundfunkempfänger als Funksignalempfänger der eingangs genannten Art ist aus der DE-OS 35 36 820 bekannt, der selbst in einem Festwertspeicher die Ortscodes und Standardtexte enthält und der die übertragene Codes entziffert und daraus eine Sprachinformation bildet. Dabei ist eine Anpassung z.B. an einen geänderten Standard nicht möglich.The traffic information is known in the technical field under the name TMC (traffic message channel). Problems of such a radio receiver exist with regard to adapting or changing the table for the underlying standards and the data used for the encoding and decoding of the digital signals. Among them are i.w. Understand location codes and standard texts. A radio receiver as a radio signal receiver of the type mentioned is known from DE-OS 35 36 820, which itself contains the location codes and standard texts in a read-only memory and which deciphers the transmitted codes and forms speech information therefrom. An adjustment is e.g. to a changed standard not possible.

In der EP 0 580 617 B1 ist ein Rundfunkempfänger beschrieben, bei dem versucht wird, dem Problem auf folgende Weise zu Leibe zu rücken; In den Rundfunkempfänger kann eine Chipkarte eingeschoben werden, die in einem Datenspeicher die Ortscodes sowie zusätzliche Daten zur Umsetzung der digitalen Signale enthält. Durch Austausch der Chipkarte ist dabei eine Anpassung an geänderte Standards sowie geänderte Straßenverhältnisse und Ortscodes möglich. Ändern sich Ortsbezeichnungen, so läßt sich dies durch Verwendung einer neuen Chipkarte berücksichtigen. Ein derartiger Rundfunkempfänger ist jedoch aufwendig, da er einen Chipkartenleser besitzen muß. Zudem ist die Handhabung der Chipkarte nicht einfach, da sie grundsätzlich entnehmbar ist und damit auch verloren gehen kann.EP 0 580 617 B1 describes a radio receiver in which an attempt is made to tackle the problem in the following way; A chip card can be inserted into the radio receiver, which contains the location codes and additional data for converting the digital signals in a data memory. By exchanging the chip card, it is possible to adapt to changed standards as well as changed road conditions and location codes. If location names change, this can be taken into account by using a new chip card. However, such a radio receiver is expensive because it must have a chip card reader. In addition, the handling of the chip card is not easy, since it is basically removable and can also be lost.

Der Erfindung liegt die Aufgabe zugrunde, einen Funksignalempfänger der eingangs genannten Art zu schaffen, bei der eine Änderung bzw. Anpassung des Rundfunkempfängers auch bei geänderten Standards, Ortscodes und dgl. nicht erforderlich ist und die darüber hinaus eine Möglichkeit bietet, Anpassungen, Änderungen und Aktualisierungen ohne weiteres durchzuführen.The invention has for its object to provide a radio signal receiver of the type mentioned, in which a change or adaptation of the radio receiver is not necessary even with changed standards, location codes and the like. And which also offers a possibility of adjustments, changes and updates to perform easily.

Die Erfindung löst diese Aufgabe durch die kennzeichnenden Merkmale des Patentanspruchs 1.The invention solves this problem by the characterizing features of patent claim 1.

Die Wiedergabe der Verkehrsinformationen erfolgt nunmehr mit Hilfe des Navigationssystems. Da dieses den Routendatenspeicher enthält, kann in diesem auch die zur Umsetzung der digitalen Signale erforderliche Tabelle gespeichert sein. Anpassungen und Änderungen lassen sich ohne weiteres in Verbindung mit entsprechenden Modifikationen des Navigationssystems durch Verwendung eines neuen Routendatenspeichers mit entsprechend geänderter Tabelle für die TMC-Informationen durchführen. Andererseits läßt sich bei einer Änderung von Ortsbezeichnungen die notwendige Anpassung für die RDS/TMC-Informationen gleich miterledigen. Auch die Verbindung fremdsprachlicher Texte zur Wiedergabe der Verkehrsinformationen läßt sich durch Verwendung einer entsprechend ausgebildeten Tabelle im Navigationssystem realisieren.The traffic information is now reproduced using the navigation system. Since this contains the route data memory, the table required for converting the digital signals can also be stored in it. Adjustments and changes can easily be made in connection with corresponding modifications of the navigation system by using a new route data memory with a correspondingly changed table for the TMC information. On the other hand, the necessary adaptation for the RDS / TMC information can be done at the same time when changing the place names. The connection of foreign language texts for the reproduction of the traffic information can also be realized by using a correspondingly designed table in the navigation system.

Da der Routendatenspeicher neben den Ortsinformationen auch die sonstigen Daten enthält, die für die Ausgabe der Verkehrsinformationen erforderlich sind, wie Standardtexte, Richtungsinformationen und dgl., ist die gesamte Wiedergabe der Verkehrsinformation mit Ausnahme der Decodierung des RDS-Signals vom Rundfunkempfänger auf das Navigationssystem verlagert. Die Ausgabe dieser Information erfolgt mit Hilfe des Navigationssystems.Since the route data memory contains not only the location information but also the other data which are required for outputting the traffic information, such as standard texts, directional information and the like, the entire reproduction of the traffic information, with the exception of the decoding of the RDS signal, has been shifted from the radio receiver to the navigation system. This information is output using the navigation system.

Die Ausgabe kann in Form einer akustischen Information, z.B. mit Hilfe des Sprachausgabe-Systems des Navigationssystems oder aber auch optisch z.B. in dem auf dem Bildschirm dargestellten Kartenausschnitt erfolgen.The output can take the form of acoustic information, e.g. with the help of the speech system of the navigation system or optically e.g. in the map section shown on the screen.

Ferner können durch die Verbindung TMC-Rundfunkempfänger/Navigationssystem aus dem gesamten Meldungsumfang automatisch nur diejenigen Meldungen angezeigt werden, die auf der gewählten Fahrtroute liegen.Furthermore, the TMC radio receiver / navigation system connection can automatically only display those messages from the entire range of messages that are on the selected route.

Ist keine Route vorgewählt, kann das Navigationssystem zumindest einen eingeschränkten Zielkorridor festlegen (errechnet aus der Position der befahrenen Straße und der bisherigen Fahrtrichtung), in dem der Fahrer auf Verkehrsstörungen hingewiesen wird. In beiden Fällen entfällt eine aufwendige Eingabeprozedur zur selektiven Meldungsauswahl.If no route has been preselected, the navigation system can define at least one restricted destination corridor (calculated from the position of the road traveled and the previous direction of travel) in which the driver is informed of traffic disruptions. In both cases, there is no need for a complex input procedure for selective message selection.

Die Wahl der Darstellung von TMC-Nachrichten auf dem gewählten oder angezeigten Kartenausschnitt und/oder der Fahrtroute kann z.B. durch eine Auswahl

Figure imgb0001
TMC" im Rahmen einer Menü-Anzeige für ein das Navigationssystem beinhaltenden Fahrzeug-Informationssystem erfolgen. Ist diese Auswahl getroffen, so werden eingehende TMC-Nachrichten, ggf. in einem beschränkten Umfang im Rundfunkempfänger zwischengespeichert, zur Anzeige gebracht. Ohne diese Auswahl werden TMC-Nachrichten nicht berücksichtigt.The choice of the display of TMC messages on the selected or displayed map section and / or the route can be made, for example, by a selection
Figure imgb0001
TMC "in the context of a menu display for a vehicle information system containing the navigation system. If this selection is made, incoming TMC messages, possibly to a limited extent temporarily stored in the radio receiver, are displayed. Without this selection, TMC messages are displayed. Messages not considered.

Claims (6)

Funksignalempfänger für Kraftfahrzeuge mit einem Rundfunkempfänger mit RDS-Dekoder für digitale Signale, die über eine Tabelle in eine Verkehrsinformation umsetzbar sind, dadurch gekennzeichnet, daß die Signale vom Dekoder über eine Datenverbindung zu einem mit einem Routendatenspeicher versehenen Navigationssystem weitergebbar sind und daß das Navigationssystem die Tabelle enthält und die Verkehrsinformation erzeugt.Radio signal receiver for motor vehicles with a radio receiver with RDS decoder for digital signals which can be converted into traffic information via a table, characterized in that the signals from the decoder can be passed on via a data connection to a navigation system provided with a route data memory and that the navigation system can pass the table contains and generates the traffic information. Funksignalempfänger nach Anspruch 1, dadurch gekennzeichnet, daß das Navigationssystem die Verkehrsinformation über einen Sprachspeicher in eine akustische Information umsetzt.Radio signal receiver according to Claim 1, characterized in that the navigation system converts the traffic information into acoustic information via a voice memory. Funksignalempfänger nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Navigationssystem die Verkehrsinformationen als optische Information ausgibt.Radio signal receiver according to claim 1 or 2, characterized in that the navigation system outputs the traffic information as optical information. Funksignalempfänger nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Navigationssystem die Verkehrsinformation im angezeigten Kartenausschnitt einträgt.Radio signal receiver according to one of claims 1 to 3, characterized in that the navigation system enters the traffic information in the displayed map section. Funksignalempfänger nach Anspruch 4, dadurch gekennzeichnet, daß das Navigationssystem die Verkehrsinformation in der geplanten Fahrtroute einträgt.Radio signal receiver according to claim 4, characterized in that the navigation system enters the traffic information in the planned route. Funksignalempfänger nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß er einen Speicher für zumindest einen Teil der digitalen Signale enthält.Radio signal receiver according to one of Claims 1 to 5, characterized in that it contains a memory for at least some of the digital signals.
EP96115318A 1995-10-16 1996-09-24 Radio receiver for road vehicles with RDS decoder for digital signals Revoked EP0768632B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19538453 1995-10-16
DE19538453A DE19538453A1 (en) 1995-10-16 1995-10-16 Radio signal receiver for motor vehicles with an RDS decoder for digital signals

Publications (3)

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EP0768632A2 true EP0768632A2 (en) 1997-04-16
EP0768632A3 EP0768632A3 (en) 1997-04-23
EP0768632B1 EP0768632B1 (en) 2001-07-18

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Country Status (5)

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US (1) US5987382A (en)
EP (1) EP0768632B1 (en)
JP (1) JPH09128685A (en)
DE (2) DE19538453A1 (en)
ES (1) ES2159337T3 (en)

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DE19724556A1 (en) * 1997-06-11 1998-12-17 Opel Adam Ag Unidirectional off-board navigation system
EP0887781A2 (en) * 1997-06-28 1998-12-30 Integrated Transport Information Services Limited Interactive travel information system
US6625257B1 (en) * 1997-07-31 2003-09-23 Toyota Jidosha Kabushiki Kaisha Message processing system, method for processing messages and computer readable medium
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Publication number Priority date Publication date Assignee Title
EP0867850A2 (en) * 1997-03-24 1998-09-30 Toyota Jidosha Kabushiki Kaisha A communications terminal device, a communications system, and a storing medium for storing a program to control data processing by the communications terminal device
EP0867850A3 (en) * 1997-03-24 2000-02-23 Toyota Jidosha Kabushiki Kaisha A communications terminal device, a communications system, and a storing medium for storing a program to control data processing by the communications terminal device
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DE19724556A1 (en) * 1997-06-11 1998-12-17 Opel Adam Ag Unidirectional off-board navigation system
EP0887781A2 (en) * 1997-06-28 1998-12-30 Integrated Transport Information Services Limited Interactive travel information system
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US6625257B1 (en) * 1997-07-31 2003-09-23 Toyota Jidosha Kabushiki Kaisha Message processing system, method for processing messages and computer readable medium
EP1028032A3 (en) * 1999-02-11 2005-01-05 Robert Bosch Gmbh Vehicle information system

Also Published As

Publication number Publication date
DE19538453A1 (en) 1997-04-17
US5987382A (en) 1999-11-16
JPH09128685A (en) 1997-05-16
ES2159337T3 (en) 2001-10-01
EP0768632B1 (en) 2001-07-18
EP0768632A3 (en) 1997-04-23
DE59607303D1 (en) 2001-08-23

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