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Lighting control system for control dependent on weather condition

  • US 7,692,535 B2
  • Filed: 04/03/2007
  • Issued: 04/06/2010
  • Est. Priority Date: 04/10/2006
  • Status: Active Grant
First Claim
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1. A lighting control system for a vehicle comprising:

  • a light emitting apparatus including a rear fog lamp provided at a rear part of the vehicle;

    a weather detecting device for detecting a presence of a weather condition surrounding the vehicle and a degree of the weather condition when the presence of the weather condition is detected, the degree of the weather condition being detected in comparison with at least two different first and second predetermined threshold values, the second predetermined threshold value being greater than the first predetermined threshold value and representing a more unfavorable condition than the first predetermined threshold value; and

    a control device for setting an irradiating range of the light emitting apparatus based on the degree of the weather condition, wherein;

    the light emitting apparatus includes a rear fog lamp provided at a rear part of the vehicle;

    the weather detecting device detects a presence of fog as the weather condition and degree of fog density as the degree of the weather condition; and

    when the density of the fog is determined to exceed the second predetermined threshold value, the control device is further configured to cause the rear fog lamp to flash.

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