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METHOD AND SYSTEM FOR THE BUILDING UP OF A ROADMAP AND FOR THE DETERMINATION OF THE POSITION OF A VEHICLE

  • US 20110082642A1
  • Filed: 05/20/2009
  • Published: 04/07/2011
  • Est. Priority Date: 05/22/2008
  • Status: Abandoned Application
First Claim
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1. Method for the building up of a special electronic roadmap for a vehicle to indicate the position of the vehicle on a road in a geographic area, comprising a computer connected to a display and an internal memory connected to the computer, and which is based on an electronic roadmap provided and established with the help of data from a satellite navigation system,characterised in thata) the vehicle is fitted with sensors to measure parameters such as movement and orientation of the vehicle, said parameters are registered and stored in true time and comprise:

  • its compass direction—

    (Kr), (40)its angle of incline—

    (Sv), (41)its angle of tilt—

    (Kv), (42)its height above sea level—

    (hoh), (43) and alsoa radar picture of the road surface and the surrounding terrain and which changes as the vehicle moves forwards (44)b) the vehicle is driven along a given route where said signals from the sensors in the electronic roadmap base are measured, registered and stored, said parameters are stored and added to the corresponding position coordinates for said route in the electronic roadmap, andc) with the measurements the exact position coordinates for the vehicle are established in the electronic roadmap with the help of data from a satellite navigation system, such as GPS registrations, which are registered in, an in itself, known way.

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