EP1431946A1 - Dispositif de communication pour les véhicules pour la réception des informations sélectives émises par un centre de service - Google Patents

Dispositif de communication pour les véhicules pour la réception des informations sélectives émises par un centre de service Download PDF

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Publication number
EP1431946A1
EP1431946A1 EP03027456A EP03027456A EP1431946A1 EP 1431946 A1 EP1431946 A1 EP 1431946A1 EP 03027456 A EP03027456 A EP 03027456A EP 03027456 A EP03027456 A EP 03027456A EP 1431946 A1 EP1431946 A1 EP 1431946A1
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EP
European Patent Office
Prior art keywords
communications device
motor vehicles
data communications
vehicles according
data
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.)
Withdrawn
Application number
EP03027456A
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German (de)
English (en)
Inventor
Fabio Sbianchi
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.)
Octo Telematics SpA
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Octo Telematics SpA
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 Octo Telematics SpA filed Critical Octo Telematics SpA
Publication of EP1431946A1 publication Critical patent/EP1431946A1/fr
Withdrawn legal-status Critical Current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
    • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
    • G07B15/02—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points taking into account a variable factor such as distance or time, e.g. for passenger transport, parking systems or car rental systems
    • 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
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages

Definitions

  • the present invention generally relates to a road information system and more particularly to a device for motor vehicles capable of receiving and displaying information processed starting from different sources on the basis of data made available by known navigation systems and from information transmitted or resent toward a service center by said device.
  • Motor vehicle navigation systems such as satellite navigation systems, are currently well-known and allow to determine precisely the position of the vehicle on which the navigation system is installed and to calculate easily the speed of said vehicle on the basis of the time spent to travel the distance between two points.
  • GPS Global Positioning System
  • NAVSTAR-GPS satellites owned by N.A.S.A., each of which transmits in broadcast mode, i.e., generically and not to a specific recipient, its position at every instant.
  • Reception of the signal sent by at least three satellites allows to calculate the position of the receiver with great precision. It becomes therefore possible, by associating this information with a geographical map managed in electronic form by a computer, to display on a screen, in the context of said map, the position of the vehicle on which the satellite navigation system is installed and to provide the driver with road information for reaching a preselected destination.
  • These systems substantially comprise devices for detecting the transit of a vehicle which are located at highway toll stations and activate a communication with a corresponding communications device installed on board the vehicle in transit and are finally connected to a data communications network in order to send to a service center data that indicate the transit of the vehicle.
  • the device installed on board the vehicle is identified hereinafter by the expression “electronic pass”: an example of this electronic pass is the TelepassTM, which identifies the system currently used on the Italian highway network.
  • the device installed at one or more gates of a highway toll station for detecting the presence of an electronic pass is identified hereinafter by the expression "local detector”.
  • the electronic pass whenever a vehicle provided with said device transits in the vicinity of a gate of a toll station on which a local detector is installed, the local detector acquires a unique identification code of the electronic pass and transmits to the service center, over a data communications network, information related to the transit that has occurred.
  • the central system then stores the data received according to an appropriate format in order to keep trace of the event and if necessary to calculate the amount due related to the road or highway section traveled, the toll of which is then charged automatically to the owner of the electronic pass.
  • the aim of the present invention is to provide a communications system for motor vehicles that allows to send and receive information related to traffic, to the road section currently being traveled, to the travel cost and the like, that is of specific interest for the driver who receives that information and can be updated as the vehicle advances along its route.
  • an object of the present invention is to provide a communications system for motor vehicles that is integrated and allows to maintain and integrate the advantages provided by automatic toll devices and satellite navigation systems described above.
  • Another object of the present invention is to allow real-time updating of the information related to traffic or to the road section traveled, updating the data to be sent to each individual driver also on the basis of information that originates from the various devices installed on the different vehicles circulating on the roads covered by the local detectors.
  • a data communications device for motor vehicles comprising a locator unit provided with a satellite signal receiver and with a receiver and a transmitter that operate in the mobile-telephone frequency range, a local communications device, which comprises a short-range transceiver for communication with local electronic detectors, and a display for displaying information received over one or more of said receivers.
  • the satellite receiver can be a GPS-type receiver
  • the transceiver on mobile-telephone frequencies can be a transceiver of the GSM, GPRS or UMTS type
  • the short-range receiver and transmitter is preferably a conventional transceiver used along road or highway networks that entail a toll, such as the TelepassTM electronic pass used on Italian highways.
  • Local detectors are mainly located in fixed sites, typically road toll stations, but can obviously include any other dedicated site along the network managed by the operator.
  • the device according to the present invention can be provided advantageously with an additional receiver, typically of the infrared or radiofrequency type, but optionally also of the wired type, for acquiring commands sent by a control device that is driven by the user, for example a keypad or a remote control.
  • a control device that is driven by the user, for example a keypad or a remote control.
  • the user can choose to send, over the transceiver which operates on the mobile-telephone frequencies and protocols, messages to the central system that indicate significant data that identify his position, for example the signals received by means of a satellite receiver or also descriptive signals entered via his keyboard.
  • such signals that identify the position of the vehicle can be sent automatically at regular intervals without user intervention.
  • the device according to the present invention can be provided with memory means for collecting data related to the average speed held by the vehicle on which it is installed and with means for comparing the average speed and an expected average speed that can be set remotely in order to calculate the traffic conditions in the section being traveled.
  • Figure 1 illustrates the components required for the correct operation of the motor vehicle communications device according to the present invention, such device being designated as a whole hereinafter by the expression "information pass”.
  • Figure 1 illustrates an information pass 1 that is installed on a motor vehicle 2.
  • the information pass is capable of receiving information from a constellation of satellites 3, of receiving and transmitting information to a detector 4, typically installed at gates of road or highway stations, and is further capable of receiving and exchanging information with a service center 50 over a data communications network 5, which comprises a database 51, which stores temporarily or permanently information related to the position and/or speed of the motor vehicles, and a database 52, which stores information that is entered manually or automatically and originates from external data acquisition sources, for example traffic data acquisition centers, over a local connection 7 or a remote connection 8 or, finally, information that is calculated starting from the data sent by said information passes 1.
  • a data communications network 5 which comprises a database 51, which stores temporarily or permanently information related to the position and/or speed of the motor vehicles, and a database 52, which stores information that is
  • FIG. 2 is a schematic view of the components of the information pass device 1.
  • the information pass 1 substantially comprises three modules, which can be completely integrated together or can be delocalized inside the motor vehicle and appropriately connected to each other according to conventional methods.
  • the information pass 1 comprises a locator unit 10, which is provided with a receiver 11 for receiving a signal that arrives from the satellites 3 and a decoder 12 for correctly decoding the received signals.
  • the same module has a transceiver 13 for receiving and sending signals remotely, preferably with standardized frequencies and protocols, for example signals of the GSM, GPRS or UMTS type or any other conventional communications network.
  • an encoder/decoder (codec) 14 is associated with the interface 13 in order to correctly decode the received signals and correctly encode any output signals.
  • the module 10 is connected, by means of a connection 15 of any kind, for example an RS232 serial connection, to a module 20, which comprises an interface 21 for communication with the local detectors 4 of electronic passes; a corresponding codec 22 is suitably associated with said interface and is used for ordinary operations for encoding and decoding the received signal.
  • the module 20 further comprises a processor 23 and a memory 24, in which a unique identifier of the device 20 is encoded.
  • processor as well as the term “memory”, are used here in a generic sense and represent both optional firmware used for advanced-mode management of the data flowing through the device and dedicated hardware circuits in the case of low-cost embodiments.
  • the module 20 comprises or is connected to a screen or display 28, which can display information under the control of the processor 23 or, as mentioned, of the corresponding electronic circuits.
  • the module 20 can be provided with an interface 25 and with a corresponding decoder 26 that is capable of receiving commands from a control device 27, for example a keyboard or a remote control.
  • a control device 27 for example a keyboard or a remote control.
  • the motor vehicle 2 is in a geographical position, for example the user's home, that is off the road or highway networks of interest.
  • the module 20 interacts (steps 305-306) according to known methods with the detector 4, exchanging data that allow the detector 4 to identify the electronic pass installed on board the motor vehicle 2, thanks to the unique identification code encoded in the memory 26.
  • the information related to the electronic pass 20, which is rigidly coupled to the motor vehicle 2 on which it is installed is then sent over the data communications network 6 to the service center 50 and is stored within the database 51, whose records preferably contain at least the following fields: identifier of the electronic pass, identifier of the detector 4, time of transit.
  • the database 52 contains information related to the current status of the road network managed by the system, for example the toll rates between the different sections, the weather conditions or the traffic situation.
  • the central system 50 is therefore capable of knowing the exact position of the motor vehicle 2 and of retrieving information specifically of interest to the driver.
  • step 315 the system checks whether the received data relate to the passing of a barrier for exiting from the road section managed by the operator, in which case closure operations (step 320) described hereinafter are activated.
  • step 325 therefore if the motor vehicle 2 has just passed an entry barrier, the service center 50 stores the data in the database 51 and sends in step 330 a notification message over the network 6; such message is received and decoded by the information pass by means of the codec 14.
  • step 335 the information pass displays said information on the display 29.
  • step 340 during travel, the information pass module 10 receives via the interface 11 data that arrive from satellites 3.
  • the information is appropriately decoded by the decoder 12 and converted by triangulation of the signal that arrives from at least three different satellites into digital data that identify the position of the motor vehicle 2.
  • such data can be encoded by the encoder 14 and transmitted by the transceiver 13 over the network 6 to the control center together with the identification data of the electronic pass 20, as shown schematically by the conditional block 345. If the delay between two successive automatic transmissions has expired or if there is an explicit command by the user, the data are actually sent to the service center (step 350), the control computer of which checks whether the received data are different with respect to the last data sent (step 355), particularly with reference to the date and time of the transmission, in which case it stores them in the database 51 in step 360.
  • the central system 50 is capable of knowing the exact position of the vehicle within the managed road network and of checking in the database 52 (step 370) for the presence of information that is potentially of interest to the driver of the motor vehicle 2, for example information related to weather conditions or traffic situations in the direction in which the vehicle is traveling; this can also comprise continuous updating information that arrives from external sources (step 385), relative to the direction taken by the vehicle.
  • Such direction can be calculated easily also starting from a review of the data already received: typically, analysis of the position of the motor vehicle in the last two received messages is sufficient to calculate both the direction of the car and its speed of travel, which can be obtained by way of a simple space/time ratio.
  • the information related to speed combined with the information related to the position of the vehicle, which might be for example temporarily located at a service station or off the traffic lane, allows to measure in real time queues or traffic slowdowns, by averaging the travel speed of the various vehicles in the area of transit.
  • the central system 50 encodes a message that is addressed with a conventional method and is intended for the motor vehicle 2 and for all the vehicles that are in a similar position, and sends it over the data communications network 6 (step 330).
  • the module 10 again receives and decodes the message if it is addressed to it, by means of the interface 13 and the codec 14, and transmits said information to the module 20, which displays it on the display 28. Examples of these displays generated in step 370 are given by way of illustration in Figures 4b, 4c and 4d in the accompanying drawings. It should be noted that there is a wide variety of information useful for the driver that can be sent if the position of the vehicle along the road section is known, for example information indicating parking areas but also advertising information, tourist information, and so forth.
  • step 300 the flow resumes in step 300, until in step 315 the system understands that the vehicle has left the covered network and, as mentioned, performs the closure operations.
  • These operations include conventional charging operations for payment for the road traveled and the sending of a message on the part of the central system and in the manner described above, which identifies the barrier that has been passed and the amount paid, as shown by way of example in Figure 4a by the lettering "ROMA NORD EUR 27".
  • the memory means 24 and the processor 23 which can be located in the module 20, as shown in the figure, and in the module 10, or in both modules, are used for data processing, acquisition and storage operations.
  • the device 1 stores initially a predefined expected base speed for the route accessed by the vehicle.
  • Said base speed is preferably set to the typical average highway speed of the vehicle on which the device is installed, and can also be modified remotely, upon receiving a message sent by the service center 50, which once the route has been identified thanks to the messages sent by the device 1 or by a detection device 4 in the manner already described, can send to the device 1 a new value of expected average speed.
  • the processor 23, on the basis of the data received by means of the satellite receiver, is capable of calculating at each instant the actual average speed of the vehicle, performing for example a simple space/time ratio.
  • This average speed compared with the expected average speed, allows the processor 23 to determine whether the vehicle is traveling at a speed that is equal to or higher than the typical average speed of the route, which indicates lack of traffic, or if on the contrary the speed of the motor vehicle is lower than the average expected speed, which is an indicator of heavy traffic or queues, particularly if the actual average speed drops to levels far lower than the expected average speed.
  • the device 1 can perform even more complex calculations and store additional information in order to correctly determine the speed of the vehicle.
  • the service center can send data related to the location of service stations, so that the processor 23 can discriminate, in case of a stop at one of said stations, the data related to the speed actually held by the vehicle in motion with respect to the speed held by the vehicle in the parking area.
  • a control device 27 provided with a suitable keyboard, for communicating with the module 20.
  • Such device which is typically interfaced with an infrared or radiofrequency input port 25, to which a decoder 26 is connected, allows to perform several programmed operations within the module 20.
  • a first operation is the already-mentioned transmission of the current position of the motor vehicle in manual mode, which corresponds to an implicit request for a traffic or weather conditions update.
  • a second operation is to use the communications device 13-14 to make a telephone call over the mobile telephone network if a GSM network is being used, as shown for example in Figure 4e.
  • Further operations are display control operations, for example in order to alternate the display of the information that arrives from the service center 50 with the information regarding the position of the vehicle as received by the module 10.
  • the present invention achieves the intended aim and objects.
  • the described method and system allow to integrate efficiently data from different sources in order to provide detailed information which is most of all targeted to the various drivers.
  • the invention is practical to provide, since its implementation is an inventive integration based on individually commercially available electronic components.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)
EP03027456A 2002-12-19 2003-12-01 Dispositif de communication pour les véhicules pour la réception des informations sélectives émises par un centre de service Withdrawn EP1431946A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000362A ITMO20020362A1 (it) 2002-12-19 2002-12-19 Dispositivo di comunicazione per autoveicoli per la ricezione
ITMO20020362 2002-12-19

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EP1431946A1 true EP1431946A1 (fr) 2004-06-23

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EP03027456A Withdrawn EP1431946A1 (fr) 2002-12-19 2003-12-01 Dispositif de communication pour les véhicules pour la réception des informations sélectives émises par un centre de service

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EP (1) EP1431946A1 (fr)
IT (1) ITMO20020362A1 (fr)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2401981A (en) * 2003-03-31 2004-11-24 Bosch Gmbh Robert Position-dependant supply of data to a vehicle
EP1916626A1 (fr) * 2006-10-24 2008-04-30 Stadtwerke Lemgo GmbH Procédé destiné à réserver des temps de stationnement
ES2316250A1 (es) * 2006-09-19 2009-04-01 New Technologies Global Systems Sl Dispositivo que montado en un vehiculo, proporciona una serie de servicios orientados a una circulacion controlada.
EP2108979A2 (fr) 2008-04-10 2009-10-14 Enea-Ente Per Le Nuove Tecnologie, L'Energia e L'Ambiente Multiposte radiométrique mobile pour réseau distribué géographiquement fonctionnant en temps réel
US7667647B2 (en) 1999-03-05 2010-02-23 Era Systems Corporation Extension of aircraft tracking and positive identification from movement areas into non-movement areas
US7739167B2 (en) 1999-03-05 2010-06-15 Era Systems Corporation Automated management of airport revenues
US7777675B2 (en) 1999-03-05 2010-08-17 Era Systems Corporation Deployable passive broadband aircraft tracking
US7782256B2 (en) 1999-03-05 2010-08-24 Era Systems Corporation Enhanced passive coherent location techniques to track and identify UAVs, UCAVs, MAVs, and other objects
US7889133B2 (en) 1999-03-05 2011-02-15 Itt Manufacturing Enterprises, Inc. Multilateration enhancements for noise and operations management
US7908077B2 (en) 2003-06-10 2011-03-15 Itt Manufacturing Enterprises, Inc. Land use compatibility planning software
US7965227B2 (en) 2006-05-08 2011-06-21 Era Systems, Inc. Aircraft tracking using low cost tagging as a discriminator
US8072382B2 (en) 1999-03-05 2011-12-06 Sra International, Inc. Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surveillance
US8203486B1 (en) 1999-03-05 2012-06-19 Omnipol A.S. Transmitter independent techniques to extend the performance of passive coherent location
US20120231815A1 (en) * 2011-03-11 2012-09-13 Kapsch Trafficcom Ag Method for providing location-specific data services
US8446321B2 (en) 1999-03-05 2013-05-21 Omnipol A.S. Deployable intelligence and tracking system for homeland security and search and rescue
EP2127964B1 (fr) 2008-05-27 2016-12-14 Viasat SpA Dispositif installable dans un véhicule pour la génération d'un signal d'alerte et l'envoi des informations de la position géographique du véhicule
US9767689B1 (en) 2016-03-17 2017-09-19 Cisco Technology, Inc. Methods and systems for increasing vehicular safety

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WO2001011571A1 (fr) * 1999-08-04 2001-02-15 Vodafone Ag Systeme de peage pour le prelevement central de taxes dues par des vehicules utilisant un reseau routier a peage

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WO1996007110A1 (fr) * 1994-09-01 1996-03-07 British Telecommunications Public Limited Company Systeme d'informations de navigation
GB2326009A (en) * 1997-06-02 1998-12-09 Freshfield Communciations Limi Data processing device for use in a vehicle
WO1999033027A1 (fr) * 1997-12-22 1999-07-01 Combitech Traffic Systems Ab Procede pour debiter automatiquement des frais de peage relatifs a des vehicules
WO2000045343A1 (fr) * 1999-01-27 2000-08-03 Marcello Federici Systeme de prelevement automatique pour moyens de transport
WO2001011571A1 (fr) * 1999-08-04 2001-02-15 Vodafone Ag Systeme de peage pour le prelevement central de taxes dues par des vehicules utilisant un reseau routier a peage

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IAN CATLING AND DAVID CRAWFORD: "Developing implementation plans for urban transport road pricing schemes", INTERNET CITATION, 2 May 2002 (2002-05-02), XP007912789, Retrieved from the Internet <URL:http://www.transport-pricing.net/download/Rome.pdf> [retrieved on 20100422] *

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8446321B2 (en) 1999-03-05 2013-05-21 Omnipol A.S. Deployable intelligence and tracking system for homeland security and search and rescue
US8203486B1 (en) 1999-03-05 2012-06-19 Omnipol A.S. Transmitter independent techniques to extend the performance of passive coherent location
US8072382B2 (en) 1999-03-05 2011-12-06 Sra International, Inc. Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surveillance
US7667647B2 (en) 1999-03-05 2010-02-23 Era Systems Corporation Extension of aircraft tracking and positive identification from movement areas into non-movement areas
US7739167B2 (en) 1999-03-05 2010-06-15 Era Systems Corporation Automated management of airport revenues
US7777675B2 (en) 1999-03-05 2010-08-17 Era Systems Corporation Deployable passive broadband aircraft tracking
US7782256B2 (en) 1999-03-05 2010-08-24 Era Systems Corporation Enhanced passive coherent location techniques to track and identify UAVs, UCAVs, MAVs, and other objects
US7889133B2 (en) 1999-03-05 2011-02-15 Itt Manufacturing Enterprises, Inc. Multilateration enhancements for noise and operations management
GB2401981A (en) * 2003-03-31 2004-11-24 Bosch Gmbh Robert Position-dependant supply of data to a vehicle
GB2401981B (en) * 2003-03-31 2005-06-29 Bosch Gmbh Robert Method and system for issuing protected user data in a vehicle
US7908077B2 (en) 2003-06-10 2011-03-15 Itt Manufacturing Enterprises, Inc. Land use compatibility planning software
US7965227B2 (en) 2006-05-08 2011-06-21 Era Systems, Inc. Aircraft tracking using low cost tagging as a discriminator
ES2316250A1 (es) * 2006-09-19 2009-04-01 New Technologies Global Systems Sl Dispositivo que montado en un vehiculo, proporciona una serie de servicios orientados a una circulacion controlada.
EP1916626A1 (fr) * 2006-10-24 2008-04-30 Stadtwerke Lemgo GmbH Procédé destiné à réserver des temps de stationnement
EP2108979A2 (fr) 2008-04-10 2009-10-14 Enea-Ente Per Le Nuove Tecnologie, L'Energia e L'Ambiente Multiposte radiométrique mobile pour réseau distribué géographiquement fonctionnant en temps réel
EP2127964B1 (fr) 2008-05-27 2016-12-14 Viasat SpA Dispositif installable dans un véhicule pour la génération d'un signal d'alerte et l'envoi des informations de la position géographique du véhicule
US20120231815A1 (en) * 2011-03-11 2012-09-13 Kapsch Trafficcom Ag Method for providing location-specific data services
EP2500869A1 (fr) * 2011-03-11 2012-09-19 Kapsch TrafficCom AG Procédé de mise à disposition de services de données en fonction du lieu
CN102682487A (zh) * 2011-03-11 2012-09-19 卡波施交通公司 用于提供位置特定数据服务的方法
AU2012200541B2 (en) * 2011-03-11 2014-07-31 Kapsch Trafficcom Ag Method for providing location-specific data services
US9092913B2 (en) 2011-03-11 2015-07-28 Kapsch Trafficcom Ag Method for providing location-specific data services
US9767689B1 (en) 2016-03-17 2017-09-19 Cisco Technology, Inc. Methods and systems for increasing vehicular safety

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Publication number Publication date
ITMO20020362A0 (it) 2002-12-19
ITMO20020362A1 (it) 2004-06-20

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