Automatic headlamp control

  • US 8,376,595 B2
  • Filed: 05/17/2010
  • Issued: 02/19/2013
  • Est. Priority Date: 05/15/2009
  • Status: Active Grant
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First Claim
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1. An automatic headlamp control system for a vehicle, said automatic headlamp control system comprising:

  • an image sensor having a forward field of view and capturing image data of a scene forward of the vehicle;

    an image processor processing said image data and detecting objects of interest;

    a control responsive to said image processing to control a beam illumination state of the headlamps of the equipped vehicle;

    wherein said control is operable to detect at least a partial blocking condition at said image sensor, and wherein operation of said control to detect an at least partial blocking condition is at least in part responsive to a signal indicative of an outside temperature at the equipped vehicle being below a threshold temperature level; and

    wherein said control is operable to limit switching to a different beam illumination state in response to a signal indicative of an outside temperature at the equipped vehicle being below a threshold temperature level.

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