EP0384794A1 - Fahrzeugen-Verkehrs- und Parkinformationsanlage, insbesondere für Kraftfahrer - Google Patents

Fahrzeugen-Verkehrs- und Parkinformationsanlage, insbesondere für Kraftfahrer Download PDF

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Publication number
EP0384794A1
EP0384794A1 EP90400200A EP90400200A EP0384794A1 EP 0384794 A1 EP0384794 A1 EP 0384794A1 EP 90400200 A EP90400200 A EP 90400200A EP 90400200 A EP90400200 A EP 90400200A EP 0384794 A1 EP0384794 A1 EP 0384794A1
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EP
European Patent Office
Prior art keywords
information
traffic
vehicles
elementary
sequence
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
EP90400200A
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English (en)
French (fr)
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EP0384794B1 (de
Inventor
Georges Mercadal
Gildas Baudez
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URBA 2000
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URBA 2000
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Filing date
Publication date
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Publication of EP0384794A1 publication Critical patent/EP0384794A1/de
Application granted granted Critical
Publication of EP0384794B1 publication Critical patent/EP0384794B1/de
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
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • 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
    • 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
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
    • G08G1/096811—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard
    • 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
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
    • G08G1/096811—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard
    • G08G1/096822—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard where the segments of the route are transmitted to the vehicle at different locations and times
    • 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
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
    • G08G1/096844—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route where the complete route is dynamically recomputed based on new data
    • 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
    • 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
    • H04H60/53—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 destinations
    • 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 present invention relates to a system for collecting and disseminating information on the circulation and parking of transport vehicles, intended in particular for motorists.
  • This information can only be ad hoc information, in a limited number, and it is also not personalized according to the driver, who will indiscriminately receive all of the messages thus broadcast.
  • Aliscout Mention may in particular be made of the system developed by Siemens AG with the assistance of the University of Berlin and of Robert Bosch GmbH under the name Aliscout , which is based on a system of bidirectional data exchange by infrared between the vehicles to be guided and beacons placed at different crossroads.
  • each automobile is equipped with various sensors (distance traveled, speed, orientation compass, etc.) and a transceiver operating as an answering machine.
  • the responder of the vehicle When approaching a crossroads, and upon reception of an interrogation signal emitted by the beacon of this crossroads, the responder of the vehicle will transmit to the beacon the information collected by the sensors of this vehicle. This information will then be transmitted by the beacon to a central computer which will compare this information with homologous information given by the same vehicle to the previous beacon and will determine the traffic flow and drift possible real trajectory of the vehicle compared to the initially planned trajectory.
  • the host center will send guide information to the beacon which will be transmitted to the vehicle by the beacon.
  • This guidance information will for example appear on a screen in the form of an arrow indicating to the driver the direction to take to reach the next beacon of his route (or, if the host center has determined that this is preferable, the next beacon of 'an alternate route), as well as the distance as the crow flies to it.
  • the invention aims to remedy the drawbacks of the above system, by proposing a system for collecting and disseminating information which: - for the collection of information, uses, in addition to or as a variant of the aforementioned system, other techniques and other existing data acquisition systems - in particular the systems already in place intended for the regulation of circulation by synchronization of traffic lights, and - for the dissemination of information, makes it possible to offer a wide audience of users the dissemination of information by a suitable channel, in addition to the guidance system for subscribers who have chosen this system.
  • the increase in the number of these vehicles does not entail any need to increase the transmission capacity of the network leading to the server center.
  • the driver equipped with a receiver of the information broadcast by the system according to the invention will be able to know the state of traffic on the entire route it plans to take - and only on this route - as well as, if applicable, on areas adjacent to this route.
  • the system of the invention comprises, for this purpose: means of collecting information, for collecting and centralizing a set of information relating to the state of traffic in a given area, in particular an urban area, each of the items of information in this set of information corresponding to a section between two predetermined characteristic places, means for transforming this set of information into a series of elementary digital information each consisting of a section identifier, comprising a parameter for indicating the direction of traffic on this section and a state variable representative of the traffic status of this section in said traffic direction; means for developing, from this series of digital information, a scrolling sequence of information, continuous and cyclic, consisting of elementary digital information from all the sections considered, this sequence being regularly updated as a function of evolution of the information collected; means for broadcasting this scrolling sequence of information by radio; and - on board said vehicles: means for receiving the scrolling sequence of information thus broadcast; means discriminators to select, from among all of the elementary information, that likely to interest the driver according to a predetermined criterion introduced by the latter; and means
  • the means of collecting information comprise transmitting and / or receiving beacons cooperating with answering machines installed on board a subset of witness vehicles constituting a sample of all the vehicles participating in the traffic, these vehicles -witches being provided with means for the responders to return to the beacons, information on their progress in said zone.
  • These means of collecting information can for example be constituted by the aforementioned Aliscout system, namely a system in which the means for returning to the beacons information on the progress of the witness vehicles in said zone include distance traveled sensors and / or orientation whose information is returned by the responders to the beacons when they emit an interrogation signal.
  • floating vehicles only a limited number of vehicles will be fitted (which will be called in the following description "floating vehicles") which will serve as control vehicles and which will be chosen from among the vehicles circulating intensive (taxis, buses, couriers, public service vehicles, etc.).
  • the scrolling sequence of information is broadcast over the air by a method of broadcasting digital data with subcarrier added to a broadcast transmission signal, the receivers on board vehicles being broadcasting receivers equipped with a decoder providing separation of digital signal information from audio program signal.
  • RDS Radio Data System
  • the specifications of the RDS system provide for the possibility, in addition to the dissemination of a certain number of standard information (type and name of the transmitter, other frequencies of emission of the same program, time and date, radio text information) to have "data channels for external use” making it possible to transmit messages of any length and format and which can convey alphanumeric characters or any other digital data.
  • the reception by RDS of traffic information messages is for example described in EP-A-0 290 679, EP-A-0 263 332 or EP-A-0 300 205.
  • the advantage of the RDS system is that it can be used by simple car radios fitted with an appropriate decoder, and of which various models are currently available or under development. To use the guidance information of the invention, it will then suffice to connect to the digital data output of the car radio a box comprising the appropriate circuits and control means.
  • radio frequencies could possibly be used.
  • the means of collecting information include means for transmitting indications relating to the state of occupation of parking areas attached to characteristic places;
  • the predetermined criterion according to which the discriminating means act comprises a route formed by a sequence of sections determined from selection data previously entered by the user, the discriminating means then selecting only the elementary digital information corresponding to the sections and / or characteristic places of this route and, possibly, to sections and / or characteristic places close to this route.
  • the reference 100 designates the information collection system which can be, as indicated above, a coupling of a complete or simplified Aliscout type system to systems based on loops put in place for traffic regulation by synchronization of traffic lights.
  • This system essentially comprises a set 110 of elements installed on board floating vehicles (as defined above, that is to say control vehicles in limited number chosen from vehicles circulating intensively), beacons 120 installed in a certain number of places, and a server center 130 centralizing and processing the information collected by the beacons.
  • board floating vehicles as defined above, that is to say control vehicles in limited number chosen from vehicles circulating intensively
  • beacons 120 installed in a certain number of places
  • server center 130 centralizing and processing the information collected by the beacons.
  • the elements 110 on board the floating vehicles essentially comprise an on-board computer 111 receiving the signals coming from an electronic compass 112 giving the absolute orientation of the vehicle with respect to magnetic North and an odometer 113 counting the number of turns wheel (therefore the distance traveled) since the last beacon.
  • a keyboard 114 makes it possible to introduce a certain number of information such as a vehicle identifier, necessary to be able to locate and follow a vehicle from one beacon to another.
  • the computer 111 communicates with an infrared responder 115 receiving from the beacon 120 an interrogation signal and returning to the latter, on reception of this interrogation signal, the values measured by the sensors.
  • Each beacon 120 comprises, for example mounted on a three-color light 121, an infrared transceiver 122 exchanging information with the vehicles of the system, as well as a computer 123 managing these exchanges of information and ensuring the interfacing with the server center 130 .
  • the server center 130 makes it possible both to calculate the route (block 131), when the possibilities (not necessary for the implementation of the invention) of specific guidance of floating vehicles are used by sending information via the beacon, and the analysis of the traffic according to the information collected, with possible visualization (block 132).
  • the information produced by block 132 is used to develop information elementary numerics representative of the state of traffic in each characteristic place of the agglomeration.
  • characteristic places we mean different places in the agglomeration which: - or, define an oriented section (vector defined by its two characteristic places of origin and end) for which the state of vehicle traffic is decisive information for the regulation of this traffic, typically traffic arteries (avenues , boulevards, expressways) or sections of arteries, - or, possibly, correspond to parking areas whose occupancy status (occupancy rate) by vehicles is decisive information for traffic regulation.
  • the traffic can be fluid in one direction and congested in the other, so that, if one did not distinguish the direction of traffic, one would deliver to the driver information which would not be representative of the real situation.
  • Each oriented section (or each characteristic location, in the case of a parking area) will be associated with a "state variable", which will be information representative of the traffic status of this section (or the rate of occupancy by vehicles, in the case a parking area).
  • the actual values of the thresholds thus determined may be lowered by 10% in the event of increasing congestion, and increased by the same amount during a phase of return to a normal situation. .
  • the state variable will then be the digital information designating the deceleration class to which the actual deceleration level belongs at the instant considered, for example: - '001' for the “fluid” class; - '010' for the “dense” class; - '011' for the “idle” class - '100' for the “plugged” class; and - '101' for the class "undetermined”.
  • the state variable is determined in an exclusively relative manner, that is to say that, although being a quantitative variable, it is never delivered to the motorist in the form a journey time, but in the form of a relative value of traffic flow ("fluid”, “dense”, “slowed down”, “blocked”), the only one that is easily and directly perceptible by the driver.
  • the state variable is always given an unambiguous value, even if the information to which it corresponds could not be determined. This allows, on board the vehicle, to immediately determine and report to the driver the existence of a reception anomaly if, for example, a value such as '000' is obtained at the output.
  • the state variable must represent the state of occupation of a parking area with a capacity of C vehicles, we can then, for example, choose from the following five numerical values: - '001' for an effective occupation between 0 and 0.22C; - '010' for an effective occupancy between 0,2.C and 0,7.C; - '011' for an effective occupancy between 0.77C and 0.9.C; - '100' for an effective occupation between 0.9.C and C; and - '101' when the actual occupation is not known.
  • the actual values of the thresholds thus determined may be lowered by 10% in the event of increasing congestion, and increased accordingly during a return phase to a normal situation.
  • the state variables that we have just defined can be obtained from different sources: analysis of the circulation of floating vehicles by the assembly 100 described above and illustrated in FIG. 1, the location of the beacons 120 possibly being able to correspond to that of a certain number of characteristic places, - magnetic sensors used to regulate traffic lights, - counting of entrances / exits in car parks, - cameras, information transmitted by police cars, etc.
  • beacons interrogating floating vehicles it is for this reason that we prefer to collect most of this information from beacons interrogating floating vehicles.
  • the system of the invention does not exclude, as a variant or in addition, the use of other modes of data collection.
  • Block 210 thus develops a series of digital information elementary each consisting of an oriented section identifier and a state variable, as defined above.
  • the state variable no longer represents a calculated value which is the image of an actual situation (degree of deceleration), but forced information from a command post.
  • This block 210 can also weight the information which it produces as a function of a certain number of parameters, so as to adapt the messages broadcast to the circumstances or to anticipate a probable development.
  • the weighting factors can, among others, be: - the degree of evolution of the state variable between its instantaneous value and its previous value, - the value of the state variable the day before at the same time (taking into account public holidays, non-working days, etc.) - the value of the state variable on the same day the previous year, - the values of the state variables of certain neighboring sections and / or characteristic places (in order to anticipate chain reactions, for example in the event of an accident at a point on an artery).
  • the elementary digital information produced by block 210 is then grouped together (block 220) to develop a "segment of information" made up of all of the elementary digital information, placed end to end, of all the sections of the agglomeration. meration (as well as characteristic places thereof corresponding to the parking areas whose occupancy is to be disseminated).
  • the segment thus developed will constitute a scrolling sequence of information, continuous and cyclic, which will be the subject of coding, advantageously the RDS coding mentioned above.
  • the type of modulation used in RDS is amplitude modulation with two sidebands with carrier suppression and two-phase differential coded signals.
  • Such coding allows, for a total transmitted bit rate of 1187.5 bits per second, a useful information bit rate of 730 bits per second for all of the information transmitted, approximately 80 bits per second being reserved for the data channel to external use, which is the route used by the present invention to transmit guidance signals.
  • the segment will be updated, the periodicity of the scrolling then corresponding to the periodicity of the update.
  • the elementary digital information segment thus coded is broadcast to the vehicle by a broadcasting chain comprising transmitter means 310 to 350 and a receiver 360 in each vehicle.
  • the audio signal from a recording control unit (block 310) is transformed (block 320) into a modulation signal in a conventional manner, for example with stereo coding at pilot frequency.
  • the audio signal is then multiplexed (block 340) with the signal from the RDS encoder (block 350), for example on a sub-carrier at 57 kHz (harmonic 3 of the sub-carrier of the stereo pilot signal at 19 kHz).
  • the signal thus multiplexed is directed to a frequency modulation broadcasting transmitter 330 of the conventional type.
  • the various vehicles are equipped with 360 receivers, which are car radio receivers equipped with conventional RDS decoders.
  • the digital output of the data channel for external use of the RDS 360 receiver is connected to a box 240, specific to the invention, which will therefore receive from this output, continuously, the scrolling sequence of information broadcast by the system.
  • the elementary digital information will be decoded and presented to the driver in clear visually on a screen and / or by text-to-speech means 260.
  • the predetermined criterion may in particular include a route, composed directly on the keyboard 250 by the driver (or selected indirectly, as will be explained below, from information entered by the latter) from one on which will be clearly indicated the different characteristic places of the agglomeration and their identification code (the code to type on the keyboard).
  • the driver can thus compose for example ( Figure 2) the route ABCDE.
  • the unit 240 will test the segment identifier of this information and will not return to the driver the corresponding state variable unless this segment identifier corresponds to the previously chosen route (c ' that is to say, in the example illustrated, the only state variables of successive sections AB, BC, CD and DE); the driver will therefore only receive the relevant messages - in the example illustrated, four messages out of a total of one thousand messages received.
  • a more or less wide “corridor” is thus defined around the route, the width of this corridor depending on the number of intermediate points between the origin and the destination that the user has provided to the device.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Analytical Chemistry (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Traffic Control Systems (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Telephonic Communication Services (AREA)
  • Peptides Or Proteins (AREA)
EP90400200A 1989-02-03 1990-01-24 Fahrzeugen-Verkehrs- und Parkinformationsanlage, insbesondere für Kraftfahrer Expired - Lifetime EP0384794B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8901390 1989-02-03
FR8901390A FR2642875B1 (fr) 1989-02-03 1989-02-03 Systeme de collecte et de diffusion d'informations pour automobilistes

Publications (2)

Publication Number Publication Date
EP0384794A1 true EP0384794A1 (de) 1990-08-29
EP0384794B1 EP0384794B1 (de) 1995-01-04

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EP90400200A Expired - Lifetime EP0384794B1 (de) 1989-02-03 1990-01-24 Fahrzeugen-Verkehrs- und Parkinformationsanlage, insbesondere für Kraftfahrer

Country Status (7)

Country Link
EP (1) EP0384794B1 (de)
JP (1) JPH031299A (de)
AT (1) ATE116757T1 (de)
CA (1) CA2008789A1 (de)
DE (2) DE384794T1 (de)
ES (1) ES2070287T3 (de)
FR (1) FR2642875B1 (de)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0502312A2 (de) * 1991-03-06 1992-09-09 Robert Bosch Gmbh Verfahren zur Standortbestimmung eines mobilen Funkempfängers
EP0516215A1 (de) * 1991-05-27 1992-12-02 Koninklijke Philips Electronics N.V. Verfahren zum Sammeln von Verkehrsinformation sowie Einrichtung zum Ausführen dieses Verfahrens
WO1993018495A1 (de) * 1992-03-13 1993-09-16 Robert Bosch Gmbh Verkehrsrundfunkempfänger
FR2700629A1 (fr) * 1993-01-15 1994-07-22 Renault Procédé de sélection d'informations routières, et système pour sa mise en Óoeuvre.
EP0609111A1 (de) * 1993-01-29 1994-08-03 Société Anonyme dite: REGIE NATIONALE DES USINES RENAULT Verfahren und Vorrichtung zum Abfragen von Verkehrsnachrichten
FR2719931A1 (fr) * 1994-05-10 1995-11-17 Beatrice Dalsass Chariot Interactif pour supermarché.
EP0715285A1 (de) * 1994-11-28 1996-06-05 MANNESMANN Aktiengesellschaft Verfahren zur Reduzierung einer aus den Fahrzeugen einer Fahrzeugflotte zu übertragenden Datenmenge
EP0715286A1 (de) * 1994-11-28 1996-06-05 MANNESMANN Aktiengesellschaft Verfahren zur Reduzierung einer aus den Fahrzeugen einer Stichprobenfahrzeugflotte zu übertragenden Datenmenge
EP0715288A1 (de) * 1994-11-28 1996-06-05 MANNESMANN Aktiengesellschaft Verfahren und Vorrichtung zur Reduzierung einer aus Fahrzeugen einer Stichprobenfahrzeugflotte zu übertragenden Datenmenge
EP0715287A1 (de) * 1994-11-28 1996-06-05 MANNESMANN Aktiengesellschaft Verfahren und Vorrichtung zur Gewinnung von Informationen über die Umgebung eines Fahrzeugs
EP0752692A1 (de) * 1995-07-03 1997-01-08 MANNESMANN Aktiengesellschaft Verfahren und System zur Aktualisierung von digitalen Strassenkarten
EP0755039A2 (de) * 1995-07-07 1997-01-22 MANNESMANN Aktiengesellschaft Verfahren und System zur Prognose von Verkehrsströmen
WO1998026397A1 (de) * 1996-12-09 1998-06-18 Mannesmann Ag Verfahren zur übertragung von ortsdaten und messdaten von einem endgerät, insbesondere telematikendgerät an eine verkehrszentrale
EP0849718A1 (de) * 1996-12-16 1998-06-24 MANNESMANN Aktiengesellschaft Verfahren und Vorrichtung zum Übermitteln von ein Verkehrsnetz betreffenden, die Verkehrssituation repräsentierenden Verkehrsinformationen von einer Verkehrszentrale an ein Endgerät eines Fahrzeuges
WO1998035331A1 (de) * 1997-02-06 1998-08-13 Mannesmann Ag Übermittlung gebietsbezogener verkehrsinformationen
EP0987666A1 (de) * 1998-09-18 2000-03-22 Alcatel Verfahren zum Laden von Daten und Software in einem Fahrzeugcomputer
WO2002069300A1 (en) * 2001-02-22 2002-09-06 Koyo Musen America, Inc. Collecting, analyzing, consolidating, delivering and utilizing data relating to a current event
EP1489576A1 (de) * 2002-03-27 2004-12-22 Matsushita Electric Industrial Co., Ltd. Strasseninformationsbereitstellungssystem und strasseninformationsbereitstellungsvorrichtung und strasseninformationsbereitstellungserzeugungs-verfahren

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DE19638069B4 (de) * 1996-09-18 2014-05-08 T-Mobile Deutschland Gmbh Verfahren und Einrichtung zur Erfassung von Verkehrsdaten von Fahrzeugen
DE19952854C1 (de) * 1999-11-03 2001-08-09 Bosch Gmbh Robert Assistenzvorrichtung in einem Fahrzeug

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FR2554618A1 (fr) * 1983-11-04 1985-05-10 Thomson Brandt Procede et systeme pour la communication d'informations relatives a la circulation routiere
EP0263332A2 (de) * 1986-10-04 1988-04-13 Robert Bosch Gmbh Empfänger für Verkehrsfunksendungen
EP0290679A1 (de) * 1987-05-09 1988-11-17 Koninklijke Philips Electronics N.V. Einrichtung für Empfang und Verarbeitung von Strassennachrichtenmeldungen
EP0292897A2 (de) * 1987-05-25 1988-11-30 Siemens Aktiengesellschaft Verfahren zur Bewertung der in Fahrzeugen mittels einer Leit-und Informationseinrichtung gemessenen Reisezeit in einem Leit- und Informationssystem
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Publication number Priority date Publication date Assignee Title
DE2850258A1 (de) * 1978-11-20 1980-06-04 Bernd Pilatzki Verkehrsflussinformationssystem
GB2050767A (en) * 1979-05-16 1981-01-07 Blaupunkt Werke Gmbh Radio-receiver traffic information apparatus
EP0029201A1 (de) * 1979-11-13 1981-05-27 Siemens Aktiengesellschaft Verfahren zur Verkehrserfassung in einem Leit- und Informationssystem für den Individualverkehr
FR2554618A1 (fr) * 1983-11-04 1985-05-10 Thomson Brandt Procede et systeme pour la communication d'informations relatives a la circulation routiere
EP0263332A2 (de) * 1986-10-04 1988-04-13 Robert Bosch Gmbh Empfänger für Verkehrsfunksendungen
EP0290679A1 (de) * 1987-05-09 1988-11-17 Koninklijke Philips Electronics N.V. Einrichtung für Empfang und Verarbeitung von Strassennachrichtenmeldungen
EP0292897A2 (de) * 1987-05-25 1988-11-30 Siemens Aktiengesellschaft Verfahren zur Bewertung der in Fahrzeugen mittels einer Leit-und Informationseinrichtung gemessenen Reisezeit in einem Leit- und Informationssystem
EP0300205A2 (de) * 1987-07-24 1989-01-25 Robert Bosch Gmbh Verfahren zur fahrtroutenselektiven Wiedergabe von Verkehrsnachrichten sowie Fahrzeugempfänger

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0502312A2 (de) * 1991-03-06 1992-09-09 Robert Bosch Gmbh Verfahren zur Standortbestimmung eines mobilen Funkempfängers
EP0502312A3 (en) * 1991-03-06 1992-10-07 Robert Bosch Gmbh Method of determining the position of a mobile radio receiver
EP0516215A1 (de) * 1991-05-27 1992-12-02 Koninklijke Philips Electronics N.V. Verfahren zum Sammeln von Verkehrsinformation sowie Einrichtung zum Ausführen dieses Verfahrens
WO1993018495A1 (de) * 1992-03-13 1993-09-16 Robert Bosch Gmbh Verkehrsrundfunkempfänger
US5465088A (en) * 1992-03-13 1995-11-07 Robert Bosch Gmbh Receiver for traffic messages
FR2700629A1 (fr) * 1993-01-15 1994-07-22 Renault Procédé de sélection d'informations routières, et système pour sa mise en Óoeuvre.
EP0609111A1 (de) * 1993-01-29 1994-08-03 Société Anonyme dite: REGIE NATIONALE DES USINES RENAULT Verfahren und Vorrichtung zum Abfragen von Verkehrsnachrichten
FR2701144A1 (fr) * 1993-01-29 1994-08-05 Renault Procédé et dispositif de consultation d'informations de trafic.
FR2719931A1 (fr) * 1994-05-10 1995-11-17 Beatrice Dalsass Chariot Interactif pour supermarché.
EP0715287A1 (de) * 1994-11-28 1996-06-05 MANNESMANN Aktiengesellschaft Verfahren und Vorrichtung zur Gewinnung von Informationen über die Umgebung eines Fahrzeugs
EP0715286A1 (de) * 1994-11-28 1996-06-05 MANNESMANN Aktiengesellschaft Verfahren zur Reduzierung einer aus den Fahrzeugen einer Stichprobenfahrzeugflotte zu übertragenden Datenmenge
EP0715288A1 (de) * 1994-11-28 1996-06-05 MANNESMANN Aktiengesellschaft Verfahren und Vorrichtung zur Reduzierung einer aus Fahrzeugen einer Stichprobenfahrzeugflotte zu übertragenden Datenmenge
EP0715285A1 (de) * 1994-11-28 1996-06-05 MANNESMANN Aktiengesellschaft Verfahren zur Reduzierung einer aus den Fahrzeugen einer Fahrzeugflotte zu übertragenden Datenmenge
EP0752692A1 (de) * 1995-07-03 1997-01-08 MANNESMANN Aktiengesellschaft Verfahren und System zur Aktualisierung von digitalen Strassenkarten
EP0755039A2 (de) * 1995-07-07 1997-01-22 MANNESMANN Aktiengesellschaft Verfahren und System zur Prognose von Verkehrsströmen
EP0755039A3 (de) * 1995-07-07 1997-01-29 Mannesmann Ag
WO1998026397A1 (de) * 1996-12-09 1998-06-18 Mannesmann Ag Verfahren zur übertragung von ortsdaten und messdaten von einem endgerät, insbesondere telematikendgerät an eine verkehrszentrale
EP0849718A1 (de) * 1996-12-16 1998-06-24 MANNESMANN Aktiengesellschaft Verfahren und Vorrichtung zum Übermitteln von ein Verkehrsnetz betreffenden, die Verkehrssituation repräsentierenden Verkehrsinformationen von einer Verkehrszentrale an ein Endgerät eines Fahrzeuges
WO1998035331A1 (de) * 1997-02-06 1998-08-13 Mannesmann Ag Übermittlung gebietsbezogener verkehrsinformationen
EP0987666A1 (de) * 1998-09-18 2000-03-22 Alcatel Verfahren zum Laden von Daten und Software in einem Fahrzeugcomputer
SG83148A1 (en) * 1998-09-18 2001-09-18 Cit Alcatel A process for loading data and software into a vehicle computer
WO2002069300A1 (en) * 2001-02-22 2002-09-06 Koyo Musen America, Inc. Collecting, analyzing, consolidating, delivering and utilizing data relating to a current event
EP1489576A1 (de) * 2002-03-27 2004-12-22 Matsushita Electric Industrial Co., Ltd. Strasseninformationsbereitstellungssystem und strasseninformationsbereitstellungsvorrichtung und strasseninformationsbereitstellungserzeugungs-verfahren
EP1489576A4 (de) * 2002-03-27 2012-08-08 Panasonic Corp Strasseninformationsbereitstellungssystem und strasseninformationsbereitstellungsvorrichtung und strasseninformationsbereitstellungserzeugungs-verfahren

Also Published As

Publication number Publication date
FR2642875B1 (fr) 1994-02-18
ATE116757T1 (de) 1995-01-15
JPH031299A (ja) 1991-01-07
DE69015662T2 (de) 1995-08-10
CA2008789A1 (fr) 1990-08-03
FR2642875A1 (fr) 1990-08-10
DE69015662D1 (de) 1995-02-16
ES2070287T3 (es) 1995-06-01
DE384794T1 (de) 1993-04-29
EP0384794B1 (de) 1995-01-04

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