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Lighting-direction control unit for vehicle lamp

  • US 6,229,263 B1
  • Filed: 01/20/2000
  • Issued: 05/08/2001
  • Est. Priority Date: 01/22/1999
  • Status: Expired due to Term
First Claim
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1. A lighting-direction control unit for a vehicle lamp structured to detect change in a height of an axle of at least one of a front wheel and an axle of a rear wheel of a vehicle to change a lighting direction of the vehicle lamp in accordance with change in the attitude of the vehicle, said lighting-direction control unit comprising:

  • detecting means for detecting change in the acceleration in a running direction or change in the attitude of the running vehicle; and

    lighting control means for obtaining from the detecting means one of a change rate of acceleration in a running direction of the vehicle as it runs with respect to time and a change rate of attitude of the running vehicle with respect to time to change a control response of the lighting direction of said lamp in accordance with the degree of said change rate.

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