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Vehicle measuring apparatus and method for toll collection system

  • US 6,965,438 B2
  • Filed: 12/11/2002
  • Issued: 11/15/2005
  • Est. Priority Date: 07/09/2002
  • Status: Expired due to Fees
First Claim
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1. A vehicle measuring apparatus comprising:

  • a plurality of laser sensors separated at a first predetermined height from a road surface of a road and installed closely to each other along a line covering a width of a plurality of lanes of the road, and for providing a signal to measure the vehicle; and

    processor means electrically connected to the laser sensors for computing a, height and a width of the vehicle based on the signal received from the laser sensors and previously stored installation information of the plurality of laser sensors, the processing means includingmeans for obtaining a value based on the signal received from each one of the plurality of laser sensors, any one of the plurality of laser sensors with the value larger than a second predetermined height defining a qualified laser sensor; and

    means for computing the width of the vehicle based on a number of the qualified laser sensors.

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