EP0725505A1 - Récepteur de radiodiffusion pour la réception la gestion et l'affichage d'informations routières codées numériques - Google Patents

Récepteur de radiodiffusion pour la réception la gestion et l'affichage d'informations routières codées numériques Download PDF

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Publication number
EP0725505A1
EP0725505A1 EP96100246A EP96100246A EP0725505A1 EP 0725505 A1 EP0725505 A1 EP 0725505A1 EP 96100246 A EP96100246 A EP 96100246A EP 96100246 A EP96100246 A EP 96100246A EP 0725505 A1 EP0725505 A1 EP 0725505A1
Authority
EP
European Patent Office
Prior art keywords
data
location
stored
exchangeable
data carrier
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
EP96100246A
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German (de)
English (en)
Other versions
EP0725505B1 (fr
Inventor
Stefan Dipl.-Ing. Goss
Dietmar Dipl.-Ing. Kell
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0725505A1 publication Critical patent/EP0725505A1/fr
Application granted granted Critical
Publication of EP0725505B1 publication Critical patent/EP0725505B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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]

Definitions

  • the invention relates to a radio receiver according to the preamble of the main claim.
  • the radio data system enables an additional and inaudible transmission of digital data in parallel to radio programs in a data channel.
  • Specifications of the radio data system for VHF radio can be found in Tech. 3244 - E, March 1984 of the European Runfunk Union (EBU).
  • Radio receivers with suitable RDS decoders can record and decode transmitted data in addition to radio reception with the same receiver.
  • the data transmission takes place in 32 groups of 108 bits each, each group being assigned a specific service. Group 8a is intended for the transmission of digitally coded traffic reports.
  • the structure and coding of these traffic reports are specified in the standard proposal ALERT C, November 1990, published by the RDS ATT ALERT Consortium.
  • the essential elements of a traffic announcement are the location and the event. This information is cataloged, which means that a unique code is assigned to every traffic-relevant location and every traffic-relevant event.
  • the chaining of the locations in the location table along existing streets shows the course.
  • facilities for decoding, storing, further processing and outputting the traffic reports are required to use the traffic message channel TMC (Traffic Message Channel).
  • TMC Traffic Message Channel
  • a decoding of a digitally coded traffic report requires, among other things, a location code, a location type (point area, road segment), a reference to a previous point, a reference to a subsequent point and other data.
  • Additional location-related data are then required to output a traffic report, such as, for example, the type of a street, possibly a specific name of the street, the name of the place, a second name of the place and possibly the geographic coordinates.
  • a digitally coded traffic report can only be decoded if the location code and the associated information are available in the list in the receiver. Very large amounts of data are therefore required if all traffic reports are to be decodable and reproducible. This applies all the more, the greater that of a uniform standardized system is covered, for example, most of Europe.
  • the object of the present invention is to provide a radio receiver for receiving and reproducing digitally coded traffic reports, which can be used in different areas without the data required for decoding and reproduction for all theoretical operating locations of the radio receiver being stored.
  • the received digitally coded traffic reports can be fed to a device for decoding the traffic reports, location-related data required for decoding the traffic reports being stored on an exchangeable data carrier such that playback data can be derived from the decoded traffic reports, the derivation of the Playback data required further location-related data are stored on the exchangeable data carrier, and that the playback data can be fed to a playback device.
  • the radio receiver according to the invention can be used in different countries for receiving and reproducing digitally coded traffic reports, only the data carrier containing the data of the country in question being used.
  • the data carrier can be designed in the form of a conventional chip card or other memory cards, for example according to the ISO 7816 standard.
  • the radio receiver according to the invention has the further advantage that an inexpensive update is possible when the location-related data changes, for example by building new roads or motorway junctions.
  • the reproduction can take place through a voice output, through a written display or through a graphic representation in the sense of a map.
  • a voice output through a written display or through a graphic representation in the sense of a map.
  • the algorithms and event-related data required for decoding the traffic reports and for deriving the playback data are stored in a memory in the radio receiver. This data does not in itself require updating or adaptation to different countries or geographical areas, but storing them within the radio receiver reduces the required storage space on the exchangeable data carrier.
  • An exchangeable data carrier for a radio receiver can be designed such that the location-related data and the further location-related data are stored in a read-only memory. However, it can also be provided that the location-related data and the further location-related data are stored in a non-volatile rewritable memory. This means that once a chip card has been purchased it can be updated from time to time.
  • the exchangeable data carrier be provided that the data stored in the memory relate to a geographical area deviating from the country borders according to which location-based databases are divided.
  • At least one location code, one location type, references to neighboring locations in the case of punctiform locations, references to an associated street segment, a country code, a code of the database of that country on the interchangeable data carrier.
  • the aforementioned codes refer, a street name, a street description, additional descriptions of the place type, names of the place and, if applicable, names of other places are stored.
  • a display in the form of a map can be made possible in that the geographical coordinates of the locations are also stored.
  • a first-time or repeated description of an exchangeable data carrier can be carried out in such a way that data is queried from a central database which contains updated data for a plurality of regions and is selected in accordance with an input which characterizes a selected region and that the selected data is stored in the memory of the removable medium.
  • the central database can, for example, contain all location lists in Europe.
  • the interchangeable data carrier enables a particularly favorable utilization of the available storage capacity by storing one or more identifiers in addition to the data required for decoding in a first table stored on the interchangeable data carrier, and in that for one identifier in each case a second table stored on the exchangeable data carrier stores the further location-related data.
  • identifiers in addition to the data required for decoding in a first table stored on the interchangeable data carrier, and in that for one identifier in each case a second table stored on the exchangeable data carrier stores the further location-related data.
  • These preferably contain at least one place name. It can be a good idea to store place names that only appear once in the first table.
  • the exemplary embodiment is shown as a block diagram. However, this does not mean that it is limited to implementation using individual circuits corresponding to the blocks. Rather, the radio receiver can be implemented in a particularly advantageous manner with the aid of highly integrated circuits. Digital signal processors can be used, which with the appropriate programming the Carry out the processing steps shown in the block diagrams.
  • Fig. 1 shows some modules of a radio receiver required to explain the invention and in the part framed by dashed lines used to carry out the method according to the invention.
  • the signals to be received are fed via an antenna 1 to a receiving part 2, to the output of which an RDS decoder 3 and an audio amplifier 4 with a loudspeaker 5 are connected.
  • the decoding and reproduction of the digitally coded traffic reports is controlled by a microcomputer 11.
  • This is connected to a memory 12 in which event-related and language-relevant data and algorithms are stored.
  • Output signals of the RDS decoder 3 can be fed to the microcomputer 11.
  • the microcomputer 11 is connected via an interface 13 to a card read / write device, which is not shown separately in FIG. 1.
  • the connection to a memory 14 on a chip card 15 is established via an interface 16 also located on the chip card.
  • a voice output is provided, for which purpose digital voice signals are synthesized in the microcomputer 11 and are supplied to the audio amplifier 4 via a digital / analog converter 17.
  • the traffic reports and further information can be represented with the aid of a display device 18 (display) which is connected to the microcomputer 11 via a display driver 19.
  • the memory 14 can be designed as read-only memory (ROM), so that the user must purchase a new chip card 15 when changes are made, or as non-volatile read / write memory to be written to in each case. This can then be described with new data when the location-relevant data changes or when the area of interest changes.
  • ROM read-only memory
  • the location and event codes transmitted with a digitally coded traffic announcement are language-independent.
  • a code 101 denotes the event of a traffic jam and a code 4711, for example, the location Cologne.
  • the representatives corresponding to the codes are therefore stored in a specific national language in decoding tables in the memories 14 and 12.
  • the place names are country-dependent, which means that a place code in France shows a different place than the same code in Germany.
  • the locations are distinguished by the country code, which is transmitted separately in the radio data system.
  • Loc. Location stands for location: date Explanation example Loc. Code is the transmitted code 1, 2, .. 2000, .. Loc.-Type describes the type of place Point, area, road segment offset + Reference to the loc. Code of the previous point or segment along a street previous motorway junction offset Reference to the loc. Code of the next point or segment along a street following motorway junction RefL if point loc .: reference to the loc. code of the associated street segment RefA if point loc .: reference to the loc. code of the associated area Country code Country code according to / 1 / defines which country of Europe the Loc.code applies to DB code Data base no. /1/ defines the number of the loc. table for the respective country
  • information coded according to the ALERT standard can be decoded.
  • a location code an indication of the length of an event (for example, a traffic jam length of 20 km) and the direction are evaluated in such a way that, for example, the motorway concerned, a section of this motorway with directional information, two connection points at which the event is located and the event itself, for example the information: A7, Kassel towards Hanover, between Hildesheim and Laatzen, event.
  • the data obtained in this way can then be used for an optical or acoustic traffic message output, possibly also for the screen display of a map using the coordinates.
  • each location is clearly defined by a country code, a database number and a location code and its references. Place lists that are addressed with the database number are created by summarizing places.
  • a chip card can now basically contain parts of different location lists, so that the generation of individual cards is possible.
  • the content of a chip card is determined during the manufacture of the chip card and stored in a read-only memory of the chip card.
  • chip cards with rewritable memory can be used.
  • the card can then be written with a data record by the manufacturer or sold without content. Suitable service providers can rewrite the chip cards.
  • An embodiment of a device for this is shown schematically in FIG. 2. All the data required for compiling the location lists are stored and managed in a computer 21. An update is possible by means of a remote data transmission 22 to a central location, which manages all location lists, possibly by country. The desired selection can be made with the aid of an operating unit 23, the operation being carried out by entries using selection menus. The selected data are then fed to a programming station 24 for writing the selected data into the memory of the chip card 15.
  • the signals of group 8a are fed to a traffic message processing device 31 at 32 from an RDS decoder (not shown).
  • this data essentially contains information about the location, type, expected duration, size and direction of an event.
  • This information is decoded and selected in the device 31, which is preferably implemented in the form of a microcomputer or a digital signal processor. A selection takes place according to the selection criteria supplied via an input unit 33, so that, for example, only those traffic reports are reproduced which relate to the entered road section in an entered direction.
  • Data stored in a place list 35 is already required for decoding the traffic reports, for example the places closest to the place mentioned in the traffic report in the course of a street and the affiliation to an area.
  • This and other information is stored in a location list on a chip card 34 and, like other information described later, can be read with the aid of a reading device in the receiver.
  • the location no. 4711 belongs to an area in 2009 and that the neighboring locations are 4710 and 4712.
  • the location list also contains 35 identifiers which are used to read the location names and other names from the table 38.
  • the identifier 15 can mean the word Cologne and the identifier 81 the word north.
  • the use of the identifiers which preferably have a constant number of digits, saves a considerable amount of storage space.
  • the traffic messages decoded in this way are fed to a device 36 for speech synthesis, the output signals of which are fed to the loudspeaker 5 via the digital / analog converter 17 and the audio amplifier 4.
  • the device 36 can advantageously also be implemented with the aid of a digital signal processor, to which a program 37 is available.
  • the data required for speech synthesis are fed from table 38, which is stored on chip card 34, to an event record list 42, a carrier record list 43 and a segment library 44.
  • the synthesis then takes place in the language in which the event record list 42, the carrier record list 43 and the segment library 44 are created.
  • Speech synthesis methods are known per se. A method which is particularly tailored to the output of coded traffic reports is described in the patent application filed simultaneously by the applicant "Method and device for outputting digitally coded traffic reports by means of synthetically generated speech".
  • table 38 also contains digits, for example in connection with the connection point 15. Since it is naturally important to hear the number of a connection point in the language in which the rest of the output takes place, in the Table 38 stores the number 15 as a number. A special part of the segment library 44 is used for the speech synthesis, in which the pronunciation of the numbers is stored in the respective language of the recipient. Furthermore, the place names are in the usual script in table 38, so that an optical voice output can also take place with the aid of the chip card 34.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Navigation (AREA)
EP96100246A 1995-02-03 1996-01-10 Récepteur de radiodiffusion pour la réception la gestion et l'affichage d'informations routières codées numériques Expired - Lifetime EP0725505B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19503420 1995-02-03
DE19503420A DE19503420A1 (de) 1995-02-03 1995-02-03 Rundfunkempfänger zum Empfang und zur Wiedergabe von digital codierten Verkehrsmeldungen

Publications (2)

Publication Number Publication Date
EP0725505A1 true EP0725505A1 (fr) 1996-08-07
EP0725505B1 EP0725505B1 (fr) 2005-07-27

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EP96100246A Expired - Lifetime EP0725505B1 (fr) 1995-02-03 1996-01-10 Récepteur de radiodiffusion pour la réception la gestion et l'affichage d'informations routières codées numériques

Country Status (5)

Country Link
EP (1) EP0725505B1 (fr)
JP (1) JP3780025B2 (fr)
KR (1) KR100440358B1 (fr)
DE (2) DE19503420A1 (fr)
ES (1) ES2246055T3 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756260A1 (fr) * 1995-07-26 1997-01-29 Philips Patentverwaltung GmbH Récepteur radio RDS-TMC
EP0756257A1 (fr) * 1995-07-26 1997-01-29 Philips Patentverwaltung GmbH Récepteur radio RDS-TMC
EP0829977A2 (fr) * 1996-09-13 1998-03-18 Philips Patentverwaltung GmbH RDS-TMC radiorécepteur pour le traitement des indications des régions ou des indication des routes suprarégionales spécifiées selon les régions
WO1998012825A2 (fr) * 1996-09-18 1998-03-26 Robert Bosch Gmbh Procede de mise en memoire d'informations sur une carte a puce et appareil permettant de mettre en oeuvre ledit procede
GB2320360A (en) * 1996-12-16 1998-06-17 Power Base Group Limited A sound producing system
EP0901246A2 (fr) * 1997-09-08 1999-03-10 Robert Bosch Gmbh Méthode et récepteur pour la réception de signaux numériques codés, comme par exemple des informations routières, utilisant le système RDS
WO1999034343A1 (fr) * 1997-12-23 1999-07-08 Mannesmann Vdo Ag Procede d'utilisation de memoires pour l'aide a la navigation de vehicules
EP0930737A2 (fr) * 1998-01-14 1999-07-21 Robert Bosch Gmbh Dispositif avec moyens de stockage limités pour la réception de messages codés numériques et liste de localités pour le décodage de messages codés numériques
EP0930736A2 (fr) * 1998-01-14 1999-07-21 Robert Bosch Gmbh Dispositif pour la réception de messages numériques codés et liste de localités pour le décodage de messages numériques codés
WO2000036771A1 (fr) * 1998-12-14 2000-06-22 Mannesmann Ag Systeme de transmission binaire
WO2000039773A1 (fr) * 1998-12-14 2000-07-06 Mannesmann Ag Procede de transmission d'informations routieres
WO2001018768A1 (fr) * 1999-09-07 2001-03-15 Robert Bosch Gmbh Procede de codage et de decodage d'objets en reference a un reseau routier
EP1927960A1 (fr) * 2006-11-30 2008-06-04 LG Electronics, Inc. Récepteur d'informations de trafic, son support de stockage et procédé pour le traitement d'informations de trafic
EP2391038A1 (fr) * 2010-05-28 2011-11-30 Harman Becker Automotive Systems GmbH Dispositif client d'informations sur le trafic

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100576529B1 (ko) * 1997-03-15 2006-08-30 로베르트 보쉬 게엠베하 디지털부호화된메시지의지리적선택을위한방법및수신기
DE19739094B4 (de) * 1997-09-06 2011-04-07 Volkswagen Ag Navigationssystem
DE10145298A1 (de) * 2001-09-14 2003-04-17 Bosch Gmbh Robert Vorrichung zum Empfangen, Aufzeichnen, Abspeichern und Wiedergeben von insbesondere auf den Straßenverkehr bezogenen Daten, Informationen und/oder Signalen und allgemeine Zusatzinformationen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536820A1 (de) * 1985-10-16 1987-04-16 Bosch Gmbh Robert Verkehrfunk-decoder
WO1992019093A1 (fr) * 1991-04-19 1992-10-29 Robert Bosch Gmbh Recepteur radio, en particulier recepteur radio de vehicule
DE4208277A1 (de) * 1992-03-13 1993-09-16 Bosch Gmbh Robert Verkehrsrundfunkempfaenger
EP0623896A2 (fr) * 1993-05-04 1994-11-09 Robert Bosch Gmbh Carte à puce et dispositif de lecture d'une carte à puce et récepteur de radiodiffussion

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536820A1 (de) * 1985-10-16 1987-04-16 Bosch Gmbh Robert Verkehrfunk-decoder
WO1992019093A1 (fr) * 1991-04-19 1992-10-29 Robert Bosch Gmbh Recepteur radio, en particulier recepteur radio de vehicule
DE4208277A1 (de) * 1992-03-13 1993-09-16 Bosch Gmbh Robert Verkehrsrundfunkempfaenger
EP0623896A2 (fr) * 1993-05-04 1994-11-09 Robert Bosch Gmbh Carte à puce et dispositif de lecture d'une carte à puce et récepteur de radiodiffussion

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756260A1 (fr) * 1995-07-26 1997-01-29 Philips Patentverwaltung GmbH Récepteur radio RDS-TMC
EP0756257A1 (fr) * 1995-07-26 1997-01-29 Philips Patentverwaltung GmbH Récepteur radio RDS-TMC
KR970008930A (ko) * 1995-07-26 1997-02-24 요트.게.아. 롤페즈 무선 데이터 시스템-교통 메세지 채널(rds-tmc) 방송 수신기
EP0829977A2 (fr) * 1996-09-13 1998-03-18 Philips Patentverwaltung GmbH RDS-TMC radiorécepteur pour le traitement des indications des régions ou des indication des routes suprarégionales spécifiées selon les régions
EP0829977A3 (fr) * 1996-09-13 2003-12-17 Siemens Aktiengesellschaft RDS-TMC radiorécepteur pour le traitement des indications des régions ou des indication des routes suprarégionales spécifiées selon les régions
WO1998012825A3 (fr) * 1996-09-18 1998-06-11 Bosch Gmbh Robert Procede de mise en memoire d'informations sur une carte a puce et appareil permettant de mettre en oeuvre ledit procede
WO1998012825A2 (fr) * 1996-09-18 1998-03-26 Robert Bosch Gmbh Procede de mise en memoire d'informations sur une carte a puce et appareil permettant de mettre en oeuvre ledit procede
GB2320360A (en) * 1996-12-16 1998-06-17 Power Base Group Limited A sound producing system
EP0901246A3 (fr) * 1997-09-08 2001-12-05 Robert Bosch Gmbh Méthode et récepteur pour la réception de signaux numériques codés, comme par exemple des informations routières, utilisant le système RDS
EP0901246A2 (fr) * 1997-09-08 1999-03-10 Robert Bosch Gmbh Méthode et récepteur pour la réception de signaux numériques codés, comme par exemple des informations routières, utilisant le système RDS
WO1999034343A1 (fr) * 1997-12-23 1999-07-08 Mannesmann Vdo Ag Procede d'utilisation de memoires pour l'aide a la navigation de vehicules
EP0930736A2 (fr) * 1998-01-14 1999-07-21 Robert Bosch Gmbh Dispositif pour la réception de messages numériques codés et liste de localités pour le décodage de messages numériques codés
EP0930737A2 (fr) * 1998-01-14 1999-07-21 Robert Bosch Gmbh Dispositif avec moyens de stockage limités pour la réception de messages codés numériques et liste de localités pour le décodage de messages codés numériques
EP0930737A3 (fr) * 1998-01-14 2004-11-17 Robert Bosch Gmbh Dispositif avec moyens de stockage limités pour la réception de messages codés numériques et liste de localités pour le décodage de messages codés numériques
EP0930736A3 (fr) * 1998-01-14 2004-11-17 Robert Bosch Gmbh Dispositif pour la réception de messages numériques codés et liste de localités pour le décodage de messages numériques codés
WO2000039773A1 (fr) * 1998-12-14 2000-07-06 Mannesmann Ag Procede de transmission d'informations routieres
WO2000036771A1 (fr) * 1998-12-14 2000-06-22 Mannesmann Ag Systeme de transmission binaire
WO2001018768A1 (fr) * 1999-09-07 2001-03-15 Robert Bosch Gmbh Procede de codage et de decodage d'objets en reference a un reseau routier
US7047247B1 (en) 1999-09-07 2006-05-16 Robert Bosch Gmbh Method for encoding and decoding objects with reference to a road network
EP1927960A1 (fr) * 2006-11-30 2008-06-04 LG Electronics, Inc. Récepteur d'informations de trafic, son support de stockage et procédé pour le traitement d'informations de trafic
EP2391038A1 (fr) * 2010-05-28 2011-11-30 Harman Becker Automotive Systems GmbH Dispositif client d'informations sur le trafic
KR101936902B1 (ko) 2010-05-28 2019-01-09 하만 베커 오토모티브 시스템즈 게엠베하 교통 정보 클라이언트 디바이스

Also Published As

Publication number Publication date
ES2246055T3 (es) 2006-02-01
JP3780025B2 (ja) 2006-05-31
KR100440358B1 (ko) 2004-11-06
EP0725505B1 (fr) 2005-07-27
JPH08251054A (ja) 1996-09-27
DE59611252D1 (de) 2005-09-01
KR960032952A (ko) 1996-09-17
DE19503420A1 (de) 1996-08-08

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