Driver assistance system for a vehicle

  • US 8,492,698 B2
  • Filed: 01/25/2013
  • Issued: 07/23/2013
  • Est. Priority Date: 03/25/1996
  • Status: Expired due to Fees
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First Claim
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1. A driver assistance system for a vehicle, said driver assistance system comprising:

  • a bracket attached at a windshield of a vehicle equipped with said driver assistance system;

    a housing mounted to said bracket;

    an imager disposed in said housing;

    said imager comprising (i) a two-dimensional CMOS photosensor array of photosensor elements and (ii) a lens;

    wherein, with said housing mounted to said bracket attached at the vehicle windshield, said imager views to the exterior of the equipped vehicle through the windshield of the equipped vehicle at a region of the windshield that is swept by a windshield wiper of the equipped vehicle;

    wherein said photosensor array is operable to capture image data;

    a control comprising an image processor;

    wherein said image processor is disposed in said housing;

    wherein said image processor comprises a digital signal processor;

    wherein said driver assistance system identifies objects viewed by said imager via processing by said image processor of captured image data;

    wherein a spectral filter is disposed between said photosensor array and said lens; and

    wherein said spectral filter provides red spectral filtering at some of said photosensor elements and not at others of said photosensor elements.

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