WO2008059084A1 - System and method of selective monitoring of speed for means of transport - Google Patents

System and method of selective monitoring of speed for means of transport Download PDF

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Publication number
WO2008059084A1
WO2008059084A1 PCT/ES2007/000642 ES2007000642W WO2008059084A1 WO 2008059084 A1 WO2008059084 A1 WO 2008059084A1 ES 2007000642 W ES2007000642 W ES 2007000642W WO 2008059084 A1 WO2008059084 A1 WO 2008059084A1
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WO
WIPO (PCT)
Prior art keywords
speed
database
maximum speed
exceeded
transport
Prior art date
Application number
PCT/ES2007/000642
Other languages
Spanish (es)
French (fr)
Inventor
Francisco AGUAYO GONZÁLEZ
Juan Ramón LAMA RUIZ
Jesús Gabriel MORENO NAVARRO
Original Assignee
Universidad De Sevilla
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 Universidad De Sevilla filed Critical Universidad De Sevilla
Publication of WO2008059084A1 publication Critical patent/WO2008059084A1/en

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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
    • G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
    • 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
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096725—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information generates an automatic action on the vehicle control

Definitions

  • the present invention aims at a system and a method of speed monitoring that is installed in a means of transport. It is constituted by 1) a Geographical Positioning System antenna, 2) a microprocessor, 3) a non-volatile memory, 4) a data input / output link, 5) a database with vector georeferenced cartographic information and 6) a processing program that generates a database with the date, time of geographical coordinates, maximum speed reached and maximum speed allowed at that point, only and exclusively when it has been exceeded; The correct or incorrect start and end operability events are also stored with valid date, time and last / first position.
  • Non-volatile memory stores a database with the aforementioned fields, and only when the maximum speed has been exceeded. This database can be consulted exclusively by agents interested in the monitoring of the speed of the means of transport, being an inviolable and restricted access data recording system.
  • GPS technology also allows working with the exact location of the vehicle by multiplying the control features on the use of the vehicle considering all the magnitudes derived from space and time.
  • the devices that use this technology may have the ability to operate on complex databases with numerous data, as well as to store data generated by the paths made.
  • all these benefits are made thanks to a high consumption of storage and processing resources that complicate the system, increase costs and take up space.
  • the inclusion of a telecommunications system reduces data storage needs but they add instability to the system due to possible coverage deficiencies, zones with inhibitors, etc., the confidentiality of the user being more difficult.
  • the main advantage of this invention lies in the scarcity of resources used for exact and precise operation, its small size and the lightness of the data used.
  • This control system is contained in a device that does not take up more space than a pack of cigarettes.
  • the device contains a GPS antenna, a cartographic database containing the road and the speed limits for each section and a microprocessor.
  • the system generates another database containing the coordinates of those points in which the vehicle exceeded the speed limit allowed at that point. The rest of the path followed is not stored respecting the user's privacy.
  • the generated database can be extracted to inspect the correct use of the vehicle within the speed limits for each section.
  • the database is designed to take up very little memory and is of high precision. Description of the invention
  • the system consists of a small container that includes a GPS antenna whose positioning data containing coordinates and speed are poured with a high rate on a microprocessor.
  • This microprocessor operates the data provided by the GPS on a vector cartographic database that contains location information and maximum speed allowed on all possible routes, whether land, sea or air.
  • the cartographic database can be updated through the data input / output link, as well as the processing program, which can assimilate specific changes in the speed and regulatory margins.
  • the format of the vector information, the processing program and the memory allow a high storage capacity, being possible to modify or update it in a simple way by periodically supplying data through the input link.
  • the data is entered through an exclusive support (approved card).
  • approved card approved card
  • the information is only removable through the exit link, the data that can be extracted in the inspection will only be those referring to the moments and places in which the vehicle has exceeded the maximum allowed speed and also the moments in which it is obtained or valid position and speed are lost, respecting the confidentiality of the itinerary of the driver or pilot.
  • Location records are only accessible with prior authorization from the driver. This last condition is adaptable to the casuistry that you want to consider, establishing two levels of privilege:
  • the database is prepared in a simple format understandable by a program carried out at a low level. This program is responsible for processing the data received by the GPS and the database, generating the new data required to inspect speeding.
  • the system can be used for the control of repeat and high-risk drivers and pilots, the periodic supervision of vehicles, such as route registration, to clarify incidents, to determine the driver's profile, to compare the data with those of other devices. control if necessary and limit transit zones.
  • Another objective of this system is to constitute a deterrent, in the same order as the mobile and fixed radars used to justify the speeding violations committed.
  • the format of the vector information, the processing program and the memory allow a high storage capacity, being possible to modify or update it in a simple way by providing data approved by the inspection body.
  • the simplicity of its components and operations lowers manufacturing, installation and maintenance costs.
  • the utility of the system can lead us to dispense with the fixed radar stations, in the case of universal use in all vehicles.
  • the versatility of the system lies in the limited memory occupied by the cartographic database and the simplicity of the program that performs the operation. Vehicles may contain this device with continuous power and could be an item to be inspected at ITV centers or by traffic authorities if deemed necessary.

Abstract

The subject matter of the present invention is a tamper-proof and restricted-access data recording system and a method for speed monitoring installed onboard a means of transport. It comprises 1) a Geographical Positioning System antenna, 2) a microprocessor, 3) a non-volatile memory, 4) a data input/output link, 5) a database with vectorial georeferenced cartographic information and 6) a processing program which generates a database with the date and time for the geographical coordinates, maximum speed reached and maximum speed permitted at said point, solely and exclusively when the latter has been exceeded; the start and end events of correct or incorrect operability with the date, time and last/first valid position are also stored. The non-volatile memory stores a database with said fields, solely and exclusively when the maximum speed has been exceeded.

Description

Título Title
Sistema y método de vigilancia selectiva de velocidad para medios de transporte.System and method of selective speed monitoring for means of transport.
Objeto de Ia invención La presente invención tiene por objeto un sistema y un método de vigilancia de velocidad que se instala en un medio de transporte. Lo constituye 1) una antena de Sistema de Posicionamiento Geográfico, 2) un microprocesador, 3) una memoria no volátil, 4) un enlace de entrada/ salida de datos, 5) una base de datos con información cartográfica georeferenciada vectorial y 6) un programa de procesamiento que genera una base de datos con Ia fecha, hora de coordenadas geográficas, velocidad máxima alcanzada y velocidad máxima permitida en dicho punto, única y exclusivamente cuando ésta ha sido sobrepasada; también se almacenan los eventos de inicio y fin de operatividad correcta o incorrecta con fecha, hora y última/primera posición válida. La memoria no volátil almacena una base de datos con los campos mencionados, y única y exclusivamente cuando Ia velocidad máxima ha sido sobrepasada. Esta base de datos puede ser consultada exclusivamente por agentes interesados en Ia vigilancia de Ia velocidad del medio de transporte, siendo un sistema de registro de datos inviolable y de acceso restringido.OBJECT OF THE INVENTION The present invention aims at a system and a method of speed monitoring that is installed in a means of transport. It is constituted by 1) a Geographical Positioning System antenna, 2) a microprocessor, 3) a non-volatile memory, 4) a data input / output link, 5) a database with vector georeferenced cartographic information and 6) a processing program that generates a database with the date, time of geographical coordinates, maximum speed reached and maximum speed allowed at that point, only and exclusively when it has been exceeded; The correct or incorrect start and end operability events are also stored with valid date, time and last / first position. Non-volatile memory stores a database with the aforementioned fields, and only when the maximum speed has been exceeded. This database can be consulted exclusively by agents interested in the monitoring of the speed of the means of transport, being an inviolable and restricted access data recording system.
Estado de Ia TécnicaState of the Technique
Actualmente existen dispositivos que realizan tareas similares usando otro tipo de tecnologías y con funcionalidad limitada: tacógrafos convencionales que registran por escrito Ia velocidad y los tiempos de conducción y tacógrafos digitales, con las mismas prestaciones que los anteriores pero capacidad de almacenamiento de datos en formato digital.Currently there are devices that perform similar tasks using other types of technologies and with limited functionality: conventional tachographs that record in writing the speed and driving times and digital tachographs, with the same features as the previous ones but data storage capacity in digital format .
La tecnología GPS permite además trabajar con Ia localización exacta del vehículo multiplicando las prestaciones de control sobre el uso del vehículo considerando todas las magnitudes derivadas del espacio y el tiempo. Los dispositivos que utilizan esta tecnología pueden tener Ia capacidad de operar sobre bases de datos complejas con numerosos datos, así como de almacenar datos generados por los trazados efectuados. Sin embargo, todas estas prestaciones se hacen gracias a un alto consumo de recursos de almacenamiento y procesamiento que complican el sistema, aumentan costes y Ocupan espacio. La inclusión de un sistema de telecomunicaciones reduce las necesidades de almacenamiento de datos pero añaden inestabilidad al sistema por posibles deficiencias de cobertura, zonas con inhibidores, etc, siendo más difícil Ia confidencialidad del usuario. La principal ventaja de este invento reside en Ia escasez de recursos empleados para un funcionamiento exacto y preciso, su pequeño tamaño y Ia ligereza de los datos empleados. Este último aspecto supone Ia facilidad para Ia actualización de Ia base de datos mediante una tarjeta de un solo uso. La renovación de los componentes no supone un gasto oneroso gracias a Ia simpleza de Ia tecnología empleada, por Io que el aumento de prestaciones propio de los avances en informática, telecomunicaciones e industria del automóvil pueden ser incorporados sin variar sustancialmente Ia arquitectura del aparato, el sistema y el método empleado.GPS technology also allows working with the exact location of the vehicle by multiplying the control features on the use of the vehicle considering all the magnitudes derived from space and time. The devices that use this technology may have the ability to operate on complex databases with numerous data, as well as to store data generated by the paths made. However, all these benefits are made thanks to a high consumption of storage and processing resources that complicate the system, increase costs and take up space. The inclusion of a telecommunications system reduces data storage needs but they add instability to the system due to possible coverage deficiencies, zones with inhibitors, etc., the confidentiality of the user being more difficult. The main advantage of this invention lies in the scarcity of resources used for exact and precise operation, its small size and the lightness of the data used. This last aspect implies the ease of updating the database through a single-use card. The renewal of the components does not imply an expensive expense thanks to the simplicity of the technology used, so that the increase in performance of the advances in computer science, telecommunications and the automobile industry can be incorporated without substantially varying the architecture of the device, system and the method used.
Se han encontrado dos solicitudes de patente en las bases de datos de Ia Oficina Española de Patentes y Marcas ("Sistema y método para el control de Ia velocidad e identificación de Ia posición de un vehículo" con N0 de publicación 2 194 615 y "Dispositivo para el control de velocidad en vehículos automóviles" con N0 de publicación 1060040) que aún teniendo objetivos parecidos, en ningún caso el sistema es el mismo, ni se utilizan los mismos medios ni las tecnologías empleadas son las mismas.Two patent applications have been found in the databases of the Spanish Patent and Trademark Office ("System and method for speed control and identification of the position of a vehicle" with N 0 of publication 2 194 615 and " Device for speed control in motor vehicles "with N 0 of publication 1060040) that even having similar objectives, in no case the system is the same, neither the same means are used nor the technologies used are the same.
Descripción de las figurasDescription of the figures
Figura 1. Diagrama general de bloques de Ia arquitectura del sistemaFigure 1. General block diagram of the system architecture
Breve descripción de Ia invenciónBrief description of the invention
Este sistema de control va contenido en un dispositivo que no ocupa más espacio que un paquete de cigarrillos. El dispositivo contiene una antena GPS, una base de datos cartográfica conteniendo el viario y los límites de velocidad para cada tramo y un microprocesador. El sistema genera otra base de datos conteniendo las coordenadas de aquellos puntos en el que el vehículo sobrepasó el límite de velocidad permitido en dicho punto. El resto de Ia trayectoria seguida no queda almacenada respetando Ia privacidad del usuario.This control system is contained in a device that does not take up more space than a pack of cigarettes. The device contains a GPS antenna, a cartographic database containing the road and the speed limits for each section and a microprocessor. The system generates another database containing the coordinates of those points in which the vehicle exceeded the speed limit allowed at that point. The rest of the path followed is not stored respecting the user's privacy.
La base de datos generada puede ser extraída para inspeccionar el correcto uso del vehículo dentro de los límites de velocidad para cada tramo. La base de datos está diseñada para ocupar muy poca memoria y es de alta precisión. Descripción de Ia invenciónThe generated database can be extracted to inspect the correct use of the vehicle within the speed limits for each section. The database is designed to take up very little memory and is of high precision. Description of the invention
El sistema consiste en un pequeño contenedor que incluye una antena GPS cuyos datos de posicionamiento conteniendo coordenadas y velocidad son vertidos con una cadencia alta sobre un microprocesador. Este microprocesador opera los datos aportados por el GPS sobre una base de datos cartográfica vectorial que contiene información de localización y de velocidad máxima permitida en todas las rutas posibles, ya sea tierra, mar o aire.The system consists of a small container that includes a GPS antenna whose positioning data containing coordinates and speed are poured with a high rate on a microprocessor. This microprocessor operates the data provided by the GPS on a vector cartographic database that contains location information and maximum speed allowed on all possible routes, whether land, sea or air.
La base de datos cartográfica puede ser actualizada a través del enlace de entrada/salida de datos, así como el programa de procesamiento, el cual puede asimilar modificaciones específicas en los márgenes de velocidad y normativa. El formato de Ia información vectorial, el programa de procesamiento y Ia memoria permiten una alta capacidad de almacenamiento, siendo posible su modificación o actualización de manera simple mediante el suministro periódico de datos a través del enlace de entrada. Los datos son introducidos mediante un soporte exclusivo (tarjeta homologada). La información sólo es extraíble mediante el enlace de salida, los datos que pueden ser extraídos en Ia inspección sólo serán aquellos referentes a los momentos y lugares en los que el vehículo ha sobrepasado Ia velocidad máxima permitida y también los instantes en los que se obtiene o se pierde posición y velocidad válidas, respetando Ia confidencialidad del itinerario del conductor o piloto. Los registros de localización son sólo accesibles previa autorización del conductor. Esta última condición es adaptable a Ia casuística que quiera considerarse, estableciéndose dos niveles de privilegio:The cartographic database can be updated through the data input / output link, as well as the processing program, which can assimilate specific changes in the speed and regulatory margins. The format of the vector information, the processing program and the memory allow a high storage capacity, being possible to modify or update it in a simple way by periodically supplying data through the input link. The data is entered through an exclusive support (approved card). The information is only removable through the exit link, the data that can be extracted in the inspection will only be those referring to the moments and places in which the vehicle has exceeded the maximum allowed speed and also the moments in which it is obtained or valid position and speed are lost, respecting the confidentiality of the itinerary of the driver or pilot. Location records are only accessible with prior authorization from the driver. This last condition is adaptable to the casuistry that you want to consider, establishing two levels of privilege:
1. Actualización de Ia información. Datos homologados y codificados de acceso exclusivo para el organismo emisor no manipulables por el usuario que recibirá un elemento soporte con fecha de caducidad.1. Update of the information. Approved and codified data of exclusive access for the issuing body not manipulated by the user who will receive a support element with expiration date.
2. Extracción de las coordenadas y momentos en los que se sobrepasó Ia velocidad y también los instantes en los que se obtiene o se pierde posición y velocidad válidas. Datos de acceso exclusivo por parte del usuario y del organismo inspector.2. Extraction of the coordinates and moments in which the speed was exceeded and also the moments in which valid position and speed are obtained or lost. Exclusive access data by the user and the inspection body.
La base de datos está elaborada en un formato simple entendible por un programa realizado a bajo nivel. Este programa se encarga de procesar los datos recibidos por el GPS y Ia base de datos, generando los nuevos datos requeridos para inspeccionar los excesos de velocidad.The database is prepared in a simple format understandable by a program carried out at a low level. This program is responsible for processing the data received by the GPS and the database, generating the new data required to inspect speeding.
El sistema puede ser utilizado para el control de conductores y pilotos reincidentes o de alto riesgo, Ia supervisión periódica de vehículos, como registro de rutas, para esclarecer incidencias, para determinar el perfil del conductor, para cotejar los datos con los de otros dispositivos de control en caso necesario y limitar zonas de tránsito. Otro de los objetivo de este sistema es constituir un elemento disuasorio, en el mismo orden que los radares móviles y fijos que se utilizan para justificar las infracciones por exceso de velocidad cometidas. El formato de Ia información vectorial, el programa de procesamiento y Ia memoria permiten una alta capacidad de almacenamiento, siendo posible su modificación o actualización de manera simple mediante el suministro de datos homologados por el organismo inspector. La simpleza de sus componentes y operaciones abarata los costes de fabricación, instalación y mantenimiento. La utilidad del sistema puede llevarnos a prescindir de los puestos de radar fijos, en el caso de unlversalizarse su uso en todos los vehículos. La versatilidad del sistema estriba en Ia escasa memoria que ocupa Ia base de datos cartográfica y Ia simpleza del programa que realiza Ia operación. Los vehículos pueden contener este dispositivo con alimentación continua y podría ser un elemento a inspeccionar en los centros ITV o por las autoridades de tráfico si así se considera necesario.The system can be used for the control of repeat and high-risk drivers and pilots, the periodic supervision of vehicles, such as route registration, to clarify incidents, to determine the driver's profile, to compare the data with those of other devices. control if necessary and limit transit zones. Another objective of this system is to constitute a deterrent, in the same order as the mobile and fixed radars used to justify the speeding violations committed. The format of the vector information, the processing program and the memory allow a high storage capacity, being possible to modify or update it in a simple way by providing data approved by the inspection body. The simplicity of its components and operations lowers manufacturing, installation and maintenance costs. The utility of the system can lead us to dispense with the fixed radar stations, in the case of universal use in all vehicles. The versatility of the system lies in the limited memory occupied by the cartographic database and the simplicity of the program that performs the operation. Vehicles may contain this device with continuous power and could be an item to be inspected at ITV centers or by traffic authorities if deemed necessary.
Su utilidad se diferencia entre otras cosas de los tacógrafos convencionales por incluir datos reales sobre el viario sobre el que se transita, por Ia alta capacidad de almacenamiento de información y por su bajo coste de producción e instalación. Otros sistemas ya instalado en vehículos contienen una cartografía que requiere alta capacidad de almacenamiento y tiene que ser incluida en aparatos de un alto coste económico. Su utilidad va en muchos casos orientados a avisar al usuario de los excesos de velocidad. La interpretación de Ia cartografía requiere el uso de una tecnología SIG (Sistemas de Información geográfica) que requiere determinadas prestaciones de procesamiento que encarecen su uso. Its usefulness differs among other things from conventional tachographs by including real data on the road on which it is traveled, by the high capacity of storage of information and by its low production and installation cost. Other systems already installed in vehicles contain a map that requires high storage capacity and has to be included in devices with a high economic cost. Its usefulness is in many cases oriented to warn the user of speeding. The interpretation of the mapping requires the use of a GIS (Geographic Information Systems) technology that requires certain processing features that make its use more expensive.

Claims

Reivindicaciones Claims
1. Sistema y método de vigilancia selectiva de velocidad para medios de transporte caracterizado porque está constituido por 1) una antena de Sistema de Posicionamiento Geográfico, 2) un microprocesador, 3) una memoria no volátil, 4) un enlace de entrada/ salida de datos, 5) una base de datos con información cartográfica georeferenciada vectorial y 6) un programa de procesamiento que genera una base de datos con Ia fecha, hora de coordenadas geográficas, velocidad máxima alcanzada y velocidad máxima permitida en dicho punto, única y exclusivamente cuando ésta ha sido sobrepasada.1. System and method of selective speed monitoring for means of transport characterized in that it is constituted by 1) a Geographical Positioning System antenna, 2) a microprocessor, 3) a non-volatile memory, 4) an input / output link of data, 5) a database with vector georeferenced cartographic information and 6) a processing program that generates a database with the date, time of geographical coordinates, maximum speed reached and maximum speed allowed at that point, only and exclusively when This has been exceeded.
2. Sistema y método de vigilancia selectiva de velocidad para medios de transporte según reivindicación anterior, caracterizado porque el microprocesador interpreta Ia señal recibida por Ia antena GPS, contrasta Ia velocidad y Ia posición con los datos de Ia cartografía y genera un registro por cada punto donde se ha sobrepasado Ia velocidad, almacenándolo en una memoria que podrá ser inspeccionada en un momento dado.2. System and method of selective speed monitoring for means of transport according to the preceding claim, characterized in that the microprocessor interprets the signal received by the GPS antenna, contrasts the speed and position with the data of the cartography and generates a record for each point where speed has been exceeded, storing it in a memory that can be inspected at any given time.
3. Sistema y método de vigilancia selectiva de velocidad para medios de transporte según reivindicaciones anteriores, caracterizado porque Ia cartografía tiene una topología de puntos para el control de Ia velocidad y posicionamiento del vehículo y un programa de bajo nivel con información de localización y velocidad máxima permitida.3. System and method of selective speed monitoring for means of transport according to previous claims, characterized in that the cartography has a topology of points for the control of the speed and positioning of the vehicle and a low level program with location information and maximum speed allowed
4. Sistema y método de vigilancia selectiva de velocidad para medios de transporte según reivindicaciones anteriores, caracterizado porque el programa elaborado para Ia interpretación de Ia cartografía permite Ia consideración de Ia anchura del viario, evitando el uso de programas SIG que requieren gran capacidad de almacenamiento y procesamiento. 4. System and method of selective speed monitoring for means of transport according to previous claims, characterized in that the program developed for the interpretation of the mapping allows the consideration of the width of the road, avoiding the use of GIS programs that require large storage capacity and processing
PCT/ES2007/000642 2006-11-15 2007-11-13 System and method of selective monitoring of speed for means of transport WO2008059084A1 (en)

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ES200602892A ES2303770B1 (en) 2006-11-15 2006-11-15 SYSTEM AND METHOD OF SELECTIVE SPEED SURVEILLANCE FOR TRANSPORTATION MEANS.
ESP200602892 2006-11-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2358834A1 (en) * 2010-12-14 2011-05-16 Juan Antonio Fuentes Valdes Vehicle speed control device. (Machine-translation by Google Translate, not legally binding)

Citations (5)

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Publication number Priority date Publication date Assignee Title
US5485161A (en) * 1994-11-21 1996-01-16 Trimble Navigation Limited Vehicle speed control based on GPS/MAP matching of posted speeds
US6246948B1 (en) * 1998-12-10 2001-06-12 Ericsson Inc. Wireless intelligent vehicle speed control or monitoring system and method
US6265989B1 (en) * 2000-06-17 2001-07-24 Richard Taylor GPS enabled speeding detector
FR2822566A1 (en) * 2001-03-20 2002-09-27 Opera Sarl System for checking vehicle speed data for accident and insurance purposes has a processor based secure unit in which location and speed data are recorded so that an authorized party can access them
US6748322B1 (en) * 2001-01-12 2004-06-08 Gem Positioning System, Inc. Speed monitoring device for motor vehicles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5485161A (en) * 1994-11-21 1996-01-16 Trimble Navigation Limited Vehicle speed control based on GPS/MAP matching of posted speeds
US6246948B1 (en) * 1998-12-10 2001-06-12 Ericsson Inc. Wireless intelligent vehicle speed control or monitoring system and method
US6265989B1 (en) * 2000-06-17 2001-07-24 Richard Taylor GPS enabled speeding detector
US6748322B1 (en) * 2001-01-12 2004-06-08 Gem Positioning System, Inc. Speed monitoring device for motor vehicles
FR2822566A1 (en) * 2001-03-20 2002-09-27 Opera Sarl System for checking vehicle speed data for accident and insurance purposes has a processor based secure unit in which location and speed data are recorded so that an authorized party can access them

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2358834A1 (en) * 2010-12-14 2011-05-16 Juan Antonio Fuentes Valdes Vehicle speed control device. (Machine-translation by Google Translate, not legally binding)

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ES2303770A1 (en) 2008-08-16

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