×

System for determining kind of vehicle and method therefor

  • US 6,897,789 B2
  • Filed: 03/20/2003
  • Issued: 05/24/2005
  • Est. Priority Date: 04/04/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A system for determining a kind of vehicle, comprising:

  • a vehicle detector that detects a vehicle in a vehicle detection region on a roadway;

    a wheel shaft number counter that counts a number of wheel shafts of the detected vehicle;

    an image photographing unit that photographs one of a front and a rear image of the detected vehicle; and

    a vehicle kind determiner that determines distances and widths of tires of the detected vehicle based on the photographed image from the image photographing unit and determines the kind of the vehicle based on the number of wheel shafts detected by the wheel shaft number counter and the determined distance and width values.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×