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Automatic headlight leveling system for motor vehicles

  • US 6,480,806 B1
  • Filed: 09/29/2000
  • Issued: 11/12/2002
  • Est. Priority Date: 10/01/1999
  • Status: Expired due to Term
First Claim
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1. An automatic leveling system for vehicle headlights comprising:

  • at least two level sensors which are offset in a longitudinal direction of the vehicle body for measuring vehicle body pitch angle in the form of a level difference; and

    an electronic control unit for determining a target value for headlight adjustment as a function of the measured level difference;

    wherein the control unit determines the target value as a function of the first derivative of at least one of the measured level difference and a further processed level difference.

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