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DRIVE ASSISTANCE DEVICE

  • US 20140046581A1
  • Filed: 02/14/2012
  • Published: 02/13/2014
  • Est. Priority Date: 04/21/2011
  • Status: Active Grant
First Claim
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1. A drive assistance device mounted on a vehicle, the device comprising:

  • an estimated route information obtaining unit configured to obtain estimated driving route information including information regarding an estimated driving route along which own vehicle as said vehicle is expected to drive and a position of a site at which a traffic light is provided along said estimated driving route;

    a vehicle information obtaining unit configured to obtain information regarding an own vehicle position indicating a position of said own vehicle and an own vehicle speed indicating a speed of said own vehicle;

    a signal information obtaining unit configured to obtain schedule information including information of a traffic light passable time zone during which said traffic light makes an indication that said site is passable;

    a traffic information obtaining unit configured to obtain traffic information of said estimated driving route;

    a stopping vehicle estimating unit configured to estimate one of a number of stopping vehicles and a length of a stopping vehicle line of different vehicles that are stopping at said site along said estimated driving route ahead of said own vehicle closer to said site than said own vehicle, based on a position information of said site, said own vehicle position, said own vehicle speed, and said traffic information; and

    a passable time zone estimating unit configured to estimate a passable time zone during which said own vehicle is passable through said, based on the one of said number of stopping vehicles and said length of the stopping vehicle line that have been estimated by said stopping vehicle estimating unit, and on said schedule information.

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