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Radar-operated vehicle safety assurance system

  • US 4,208,658 A
  • Filed: 10/26/1978
  • Issued: 06/17/1980
  • Est. Priority Date: 10/27/1977
  • Status: Expired due to Term
First Claim
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1. A vehicle safety assurance system comprising:

  • a radar device for detecting an operating parameter of the vehicle relative to an object, said operating parameter including the distance from the vehicle to the object;

    means for continuously deriving a safety limit value of the operating condition of the vehicle relative to said object as a function of the detected distance or as a function of roadway speed of the vehicle; and

    means for visually indicating the difference between said safety limit value and said detected operating parameter.

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