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EP0880245B1 - Récepteur avec un dispositif pour sélectionner des messages codés numériquement - Google Patents

Récepteur avec un dispositif pour sélectionner des messages codés numériquement Download PDF

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Publication number
EP0880245B1
EP0880245B1 EP19980105464 EP98105464A EP0880245B1 EP 0880245 B1 EP0880245 B1 EP 0880245B1 EP 19980105464 EP19980105464 EP 19980105464 EP 98105464 A EP98105464 A EP 98105464A EP 0880245 B1 EP0880245 B1 EP 0880245B1
Authority
EP
European Patent Office
Prior art keywords
message
messages
receiver
variable
repeat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19980105464
Other languages
German (de)
English (en)
Other versions
EP0880245A3 (fr
EP0880245A2 (fr
Inventor
Karlheinz Geist
Heinrich Schmid
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 EP0880245A2 publication Critical patent/EP0880245A2/fr
Publication of EP0880245A3 publication Critical patent/EP0880245A3/fr
Application granted granted Critical
Publication of EP0880245B1 publication Critical patent/EP0880245B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • H04H60/25—Arrangements for updating broadcast information or broadcast-related information
    • 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
    • H04H60/38—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 broadcast time or space
    • H04H60/40—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 broadcast time or space for identifying broadcast time
    • 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

Definitions

  • the invention relates to a receiver with a device for the selection of digitally coded messages, the Location information and other information included and each as a new message and as associated Repeat messages with updated if necessary Content to be broadcast, with at least the new ones Messages are stored and played back in the receiver.
  • Digitally coded traffic reports - also below TMC messages called - can be used with the radio data system (RDS), which is an additional and inaudible Transmission of digital data in parallel to Radio programs in a data channel allows.
  • RDS radio data system
  • Specifications of the radio data system for FM radio are inter alia in the publication Tech. 3244 - E, March 1984 of the European Union of Run-Down Radio Union (EBU).
  • Radio receivers with suitable RDS decoders can transmitted data in addition to the audio reception with the to record and decode the same receiver, see e.g. DE19516477A1.
  • the TMC messages are not just once, but cyclically repeatedly sent as long as the content is still up to date also receivers after sending out a new message have been switched on, still supplying current messages can and to increase the transmission security.
  • the recipient therefore has the task of saving the message and any received message against that inventory Check to see if this is a Repeat message or is a new message.
  • the content becomes the driver communicated.
  • a message is considered new if it is either with none of the stored messages matches or one of the existing messages updated, for example the change in the storage length, but also the suspension of a disturbance.
  • the received message with the stock of stored Messages will see a message as new when they are with respect to the location information, direction information or the type of event from the stored messages different.
  • the object of the present invention is a receiver to be specified, among which among all occurring in the company Do not put the number of message outputs as is distracting.
  • This object is achieved in that a new message stored after receipt and with a Timestamp and is provided with a variable that can take on at least two values, one of which causes within a predetermined time after the Timestamp incoming retry messages not be saved and played back.
  • the receiver with the features according to the invention has the Advantage that the output of repeat messages regardless of the infrastructure (service providers, Broadcasters, etc.) and therefore reliable. It will no information about the message origin needed, which makes the message management easier and Space is saved over other solutions.
  • deletion messages such normal repeat messages handled, as well Simplification in message management causes.
  • the Problem of message presentation in case of conflicting Message content from various sources no longer occurs on.
  • a development of the receiver according to the invention exists in that when receiving a new message, the variable on that value is set that the storage and Play a repeat message allowed and that at the receipt of a respective first repeat message the Variable is set to the other value that when receiving further repeat messages is checked whether the given time after setting the variable to the other Value has passed, and that, if applicable, the received further repeat message stored and reproduced and the variable is set to the other value again becomes.
  • This training ensures that the first Update a message very quickly, which accounts for the majority of cases occurring in reality of updates of interest to the user is covered.
  • variable by a single bit is shown. This is an advantage of according to the invention, namely that only a little Storage space is needed, especially clear. ever however, as required, for the variable as well several bits can be provided.
  • the respective Operational area of the vehicle and other circumstances may be the annoying number of reproduced Repeat messages vary in size.
  • the predetermined time by the user is presettable.
  • the receiver shown in Fig. 1 has in itself a known manner, an antenna 1, a receiving part 2, a Stereo decoder 4, a NF amplifier 5 as well Power amplifier 6, 7 and speakers 8, 9 on. That from the receiving part 2 output stereo multiplex signal is supplied to a RDS decoder 3 except for the stereo decoder 4, whose output is connected to a microcomputer 13.
  • a microcomputer 13 Of the Microcomputer 13 is used in addition to the control of the receiver for decoding, management, rendering for playback and selection of TMC messages.
  • To the microcomputer 13 is a keyboard 14 and a display 15 connected.
  • the output of the selected TMC messages can either via the display 15 or as a voice output done, including the microcomputer 13 via a Speech synthesizer 16 with an input 10 of the AF amplifier 5 is connected.
  • FIG. 2 shows a flow chart of the message update.
  • FIG. that as a program in the microcomputer 13 (Fig. 1) when receiving a message is processed.
  • a message TMC from one in the microcomputer 13th intended communication unit picked up and decoded.
  • this message appears with the current inventory stored messages TMC1 to TMCn compared.
  • a branch takes place depending on whether the Message is a new TMC message NTMC. Is this the case the message is stored at 26, with a time stamp TS, which corresponds to the current time H, and the Variables - called Up-Date-Barrier US below - Mistake.
  • the new message is output.
  • the Program will end at 30.
  • the message is not new, it will become 25 queried whether the up-date lock US is active. Meets If so, a comparison of the time stamp TS is made at 27 with the current time H. At 28 a branch takes place depending on whether the determined at 27 Time difference H-TS is greater than the blocking time ST. If appropriate, the message is updated at 29, the is called the previously stored message by a Overwritten repeat message and with a timestamp TS provided. Furthermore, the up-date lock US is activated and at 32 the message is issued.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuits Of Receivers In General (AREA)

Claims (4)

  1. Récepteur comprenant un dispositif de sélection de messages codés numériquement, qui contiennent des informations de lieu ainsi que d'autres informations et sont diffusés respectivement comme nouveau message et message de répétition associé, de contenu le cas échéant actualisé, au moins les nouveaux messages étant enregistrés et retransmis dans le récepteur et un nouveau message étant enregistré et pourvu d'un repère temporel après la réception,
    caractérisé en ce qu'
    au nouveau message est attribuée une variable pouvant prendre au moins deux valeurs dont l'une fait en sorte que les messages de répétition arrivant dans un temps prédéterminé après le repère temporel, ne sont ni enregistrés ni retransmis.
  2. Récepteur selon la revendication 1,
    caractérisé en ce que
    lors de la réception d'un nouveau message, la variable est définie sur la valeur qui permet l'enregistrement et la retransmission d'un message de répétition, et
    lors de la réception d'un premier message de répétition respectif, la variable est définie sur l'autre valeur, et
    lors de la réception d'autres messages de répétition, on vérifie si le temps prédéterminé après la définition des variables sur l'autre valeur s'est écoulé, et
    si c'est le cas, l'autre message de répétition reçu est enregistré et retransmis et la variable est de nouveau définie sur l'autre valeur.
  3. Récepteur selon l'une des revendications 1 ou 2,
    caractérisé en ce que
    la variable est représentée par un bit individuel.
  4. Récepteur selon l'une des revendications précédentes,
    caractérisé en ce que
    le temps prédéterminé peut être préréglé par l'utilisateur.
EP19980105464 1997-05-23 1998-03-26 Récepteur avec un dispositif pour sélectionner des messages codés numériquement Expired - Lifetime EP0880245B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19721633 1997-05-23
DE1997121633 DE19721633A1 (de) 1997-05-23 1997-05-23 Empfänger mit einer Einrichtung zur Selektion von digital codierten Meldungen

Publications (3)

Publication Number Publication Date
EP0880245A2 EP0880245A2 (fr) 1998-11-25
EP0880245A3 EP0880245A3 (fr) 2004-01-21
EP0880245B1 true EP0880245B1 (fr) 2005-11-30

Family

ID=7830301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980105464 Expired - Lifetime EP0880245B1 (fr) 1997-05-23 1998-03-26 Récepteur avec un dispositif pour sélectionner des messages codés numériquement

Country Status (2)

Country Link
EP (1) EP0880245B1 (fr)
DE (2) DE19721633A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010043674A1 (de) 2010-11-10 2012-05-10 Robert Bosch Gmbh Verfahren zur Übermittlung von Verkehrsmeldungen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19914041A1 (de) * 1999-03-27 2000-09-28 Bosch Gmbh Robert Verfahren zur Information von Autofahrern
DE10111131A1 (de) * 2001-03-08 2002-10-02 Harman Becker Automotive Sys System und Verfahren zur Verarbeitung von Verkehrsinformationen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3824309A1 (de) * 1988-07-18 1990-01-25 Bosch Gmbh Robert Verfahren zur auswertung von in einem datentelegramm digital codiert empfangener verkehrsnachrichten, sowie rundfunkempfaenger
DE4207664A1 (de) * 1992-03-11 1993-09-16 Reinhard Dipl Ing Spengler Verkehrsfunk-aufzeichnungs-system
DE19516477A1 (de) * 1995-05-05 1996-11-07 Bosch Gmbh Robert Einrichtung zur Aufbereitung und Ausgabe von Informationen für einen Fahrzeugführer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010043674A1 (de) 2010-11-10 2012-05-10 Robert Bosch Gmbh Verfahren zur Übermittlung von Verkehrsmeldungen

Also Published As

Publication number Publication date
EP0880245A3 (fr) 2004-01-21
DE59813234D1 (de) 2006-01-05
DE19721633A1 (de) 1998-11-26
EP0880245A2 (fr) 1998-11-25

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