Motor car traveling control device

  • US 5,309,137 A
  • Filed: 02/14/1992
  • Issued: 05/03/1994
  • Est. Priority Date: 02/26/1991
  • Status: Expired due to Term
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First Claim
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1. A motor car traveling control device comprising:

  • inter-car distance detecting means for detecting the distance between a first car and a second car ahead of said first car while tracking said second car;

    lane change detecting means for detecting when said second car changes a traveling lane; and

    vehicle speed controlling and lane change informing means which automatically controls a speed of said first car according to an output of said inter-car distance detecting means to maintain a safe distance between said first and second cars, and which, in response to a detection signal from said lane change detecting means, operates to cause said first car to maintain a present speed, and informs the driver of said first car that said second car has changed traveling lane.

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