EP0880245B1 - Empfänger mit einer Einrichtung zur Selektion von digital codierten Meldungen - Google Patents
Empfänger mit einer Einrichtung zur Selektion von digital codierten Meldungen Download PDFInfo
- 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
Links
Images
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)
Description
- Fig. 1
- ein Blockschaltbild eines erfindungsgemäßen Empfängers und
- Fig. 2
- ein Ablaufdiagramm der Meldungsaktualisierung im Empfänger.
Claims (4)
- Empfänger mit einer Einrichtung zur Selektion von digital codierten Meldungen, die Ortsinformationen und weitere Informationen enthalten und jeweils als neue Meldung und als dazugehörige Wiederholungsmeldungen mit gegebenenfalls aktualisiertem Inhalt ausgestrahlt werden, wobei mindestens die neuen Meldungen im Empfänger gespeichert und wiedergegeben werden, und eine neue Meldung nach dem Empfang gespeichert und mit einem Zeitstempel versehen wird, dadurch gekennzeichnet, daβ die neue Meldung auch mit einer Variablen versehen wird, die mindestens zwei Werte annehmen kann, von denen einer bewirkt, daß innerhalb einer vorgegebenen Zeit nach dem Zeitstempel eintreffende Wiederholungsmeldungen nicht abgespeichert und wiedergegeben werden.
- Empfänger nach Anspruch 1, dadurch gekennzeichnet, daß beim Empfang einer neuen Meldung die Variable auf denjenigen Wert gesetzt wird, der die Speicherung und Wiedergabe einer Wiederholungsmeldung gestattet und daß bei dem Empfang einer jeweils ersten Wiederholungsmeldung die Variable auf den anderen Wert gesetzt wird, daß beim Empfang weiterer Wiederholungsmeldungen geprüft wird, ob die vorgegebene Zeit nach Setzen der Variablen auf den anderen Wert vergangen ist, und daß zutreffendenfalls die empfangene weitere Wiederholungsmeldung abgespeichert und wiedergegeben wird und die Variable wieder auf den anderen Wert gesetzt wird.
- Empfänger nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Variable durch ein einzelnes Bit dargestellt ist.
- Empfänger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die vorgegebene Zeit vom Benutzer voreinstellbar ist.
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 (de) | 1998-11-25 |
EP0880245A3 EP0880245A3 (de) | 2004-01-21 |
EP0880245B1 true EP0880245B1 (de) | 2005-11-30 |
Family
ID=7830301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980105464 Expired - Lifetime EP0880245B1 (de) | 1997-05-23 | 1998-03-26 | Empfänger mit einer Einrichtung zur Selektion von digital codierten Meldungen |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0880245B1 (de) |
DE (2) | DE19721633A1 (de) |
Cited By (1)
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)
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)
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 |
-
1997
- 1997-05-23 DE DE1997121633 patent/DE19721633A1/de not_active Ceased
-
1998
- 1998-03-26 EP EP19980105464 patent/EP0880245B1/de not_active Expired - Lifetime
- 1998-03-26 DE DE59813234T patent/DE59813234D1/de not_active Expired - Lifetime
Cited By (1)
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 (de) | 2004-01-21 |
DE59813234D1 (de) | 2006-01-05 |
EP0880245A2 (de) | 1998-11-25 |
DE19721633A1 (de) | 1998-11-26 |
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