Apparatus for determining the distance of a vehicle from a roadway side marking

  • US 5,890,083 A
  • Filed: 03/07/1996
  • Issued: 03/30/1999
  • Est. Priority Date: 03/07/1995
  • Status: Expired due to Fees
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First Claim
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1. An apparatus for determining distance of a vehicle from at least one roadway side marking, comprising:

  • at least first and second light-sensitive sensor elements arranged on the vehicle for optically scanning respective first and second strips of the roadway, which strips are not parallel to a longitudinal axis of said vehicle and extend laterally with respect to the roadway at least as far as the at least one roadway side marking; and

    an evaluation unit operatively coupled to receive output signals from the first and second sensor elements, said evaluation unit reading said output signals of each of said first and second sensor elements sequentially and processing said output signals for determining a lateral distance of the vehicle from the at least one roadway side marking;

    wherein said first and second strips of the roadway are spaced apart from each other in a direction of said longitudinal axis of said vehicle.

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