Apparatus for controlling light distributions of head lamps

  • US 5,896,085 A
  • Filed: 09/06/1996
  • Issued: 04/20/1999
  • Est. Priority Date: 09/07/1995
  • Status: Expired due to Term
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First Claim
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1. An apparatus for controlling light distribution of a head lamp of a vehicle in which performance is changeable, comprising:

  • a sensor for detecting a vehicle operating condition;

    a first calculating means for estimating a view position of a driver of said vehicle which is determined by a distance reached by said vehicle after a predetermined time along a forward roadway;

    a second calculating means for estimating at least one of a deviation angle formed by a running direction of said vehicle and a direction of said driver'"'"'s view position, and an upper bright-dark limit of the head lamp;

    a control means for controlling the light distribution composed of beam orientation/spread and upper bright-dark limit of said head lamp on a basis of a result of calculation by said first and second calculating means,said control means including a control-lamp selecting means for automatically selecting a high-beam head lamp or a low-beam head lamp based on a result of the first calculating means.

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