Road toll system

Road toll system

  • CN 101,911,130 B
  • Filed: 12/29/2008
  • Issued: 03/23/2016
  • Est. Priority Date: 01/15/2008
  • Status: Active Grant
First Claim
Patent Images

1. a road toll system, comprises the board units with satellite navigation receiver (52), and satellite navigation receiver (52) realizes position tracking function, and wherein this system also comprises:

  • Determining device (34;

         40), vehicle running path is determined for position-based trace information;

    One or more sensor (54,56,57,58,60,61,62), for detecting the local vehicle condition irrelevant with satellite navigation signals, described local vehicle condition depends on the absolute position of vehicle or the change of vehicle location;

    AndDemo plant, verifies for using the authenticity of sensor information to position trace information;

    If the authenticity of checking, then determine to detect that GPS false data is attacked;

    Wherein, local vehicle condition comprises the motion of vehicle, and demo plant changes corresponding amount for checking difference between the first and second tracking places, position with the position of deriving from sensor signal.

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