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Driver assistance system having reduced data from a digital road map

  • US 8,694,255 B2
  • Filed: 05/27/2009
  • Issued: 04/08/2014
  • Est. Priority Date: 08/06/2008
  • Status: Active Grant
First Claim
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1. A driver assistance system for a motor vehicle, comprising:

  • a surroundings sensor;

    a positioning device;

    a non-volatile memory storing limited data that are a limited subset of more-extensive data stored in a digital road map, such that the limited data include only data relevant for at least one function of the driver assistance system; and

    a data processing unit, wherein the surroundings sensor, the positioning device and the non-volatile memory are each connected for data transmission to the data processing unit; and

    wherein the driver assistance system is not connected to the digital road map by any permanent data transfer link and does not have access to the more-extensive data available in the digital road map during data transmission to the data processing unit.

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