Driver assistance system for a vehicle

  • US 5,765,116 A
  • Filed: 09/19/1996
  • Issued: 06/09/1998
  • Est. Priority Date: 08/28/1993
  • Status: Expired due to Term
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First Claim
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1. A method of facilitating steering of a vehicle by tracking a contrived centre line of a road, said vehicle being provided with a steering system, and said contrived centre line being a centre line between lane markings defining a lane boundary on said road, comprising:

  • applying a steering bias to the steering system in such a manner as to assist the driver in tracking said contrived centre line, and as the vehicle approaches a lane boundary, producing an audio signal to alert the driver of possible lane boundary infringement, in which the audio signal gives the illusion of originating from an area of the lane boundary infringement.

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