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Device for detecting object in front of vehicle

  • US 7,042,389 B2
  • Filed: 04/06/2005
  • Issued: 05/09/2006
  • Est. Priority Date: 04/09/2004
  • Status: Active Grant
First Claim
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1. A device for detecting an object located in front of an automobile, the detecting device comprising:

  • a radar for detecting a distance to an object located in front of the automobile;

    means for taking a front image including an image of the object;

    means for memorizing the distance detected by the radar and the front image taken by the taking means, the distance and the front image being memorized as a pair;

    means for judging whether the front object is in a radar range; and

    means for calculating the distance to the object, when the front object is not in the radar range and the taking means is taking the image of the object, based on the memorized distance and a ration of an object size in the memorized front image to an object size in a present front image.

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