Global patent index - EP 1022706 A2

EP 1022706 A2 2000-07-26 - Traffic guidance system

Title (en)

Traffic guidance system

Title (de)

Verkehrsleitsystem

Title (fr)

Système de guidage du trafic

Publication

EP 1022706 A2 (DE)

Application

EP 99440376 A

Priority

DE 19900923 A

Abstract (en)

The system has a central station (1) in radio contact with at least one vehicle (3) travelling a defined route (R1), whereby the vehicle has an on-board computer or OBU (5) for specifying routes and for route-specific control of route actions, especially traffic light control, stop point signaling, announcements and displays in the vehicle. The central station is connected to a computer (2) that generates a route change, especially a diversion route, including the associated route actions, as at least one data block that is transmitted to the OBU by radio. There is an arrangement for selectively loading data blocks to modify the OBU's load state with the data block corresponding to the route change. An Independent claim is also included for a download server and for a computer for the system

Abstract (de)

Die Erfindung betrifft ein Verkehrsleitsystem mit einer Zentrale (1), die mit mindestens einem Fahrzeug (3), das eine bestimmte Route (R1) befährt, in Funkverbindung steht, wobei das Fahrzeug (3) einen Fahrzeugcomputer (OBU = On-Board-Unit) (5) zur Routenvorgabe und zur routenspezifischen Steuerung von Streckenaktionen, insbesondere Ampelansteuerung, Haltestellensignalisierung, Ansage und Anzeige im Fahrzeug (3), aufweist. Damit die Funktion des Fahrzeugcomputers (5) auch bei Routenänderungen aufrechterhalten werden kann, ist vorgesehen, daß die Zentrale (1) mit einem Rechner (2) verbunden ist, der die Routenänderung, insbesondere eine Umleitungsroute (R1'), inklusive der zugeordneten Streckenaktionen, als mindestens ein Datenblock generiert, welcher mittels Datenfunk (4) an den Fahrzeugcomputer (5) des Fahrzeugs (3) gesendet wird, wobei Mittel zum selektiven Laden von Datenblöcken derart vorgesehen sind, daß der der Routenänderung entsprechende Datenblock den Ladezustand des Fahrzeugcomputers (5) modifiziert. <IMAGE>

IPC 1-7 (main, further and additional classification)

G08G 1/123

IPC 8 full level (invention and additional information)

G08G 1/123 (2006.01)

CPC (invention and additional information)

G08G 1/123 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 19900923 A1 20000720; AT 267436 T 20040615; EP 1022706 A2 20000726; EP 1022706 A3 20001025; EP 1022706 B1 20040519; SG 80089 A1 20010417

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