Vehicle speed estimation using inductive vehicle detection systems

  • US 6,999,886 B2
  • Filed: 09/17/2003
  • Issued: 02/14/2006
  • Est. Priority Date: 09/17/2002
  • Status: Expired due to Fees
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First Claim
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1. A method for communicating at least one of vehicle speed and vehicle length information gathered from a vehicle detector, said method comprising the steps of:

  • a) measuring at least one of a vehicle speed and a vehicle length using a vehicle detector during a first vehicle detection event;

    b) constructing a first output pulse corresponding to said first vehicle detection event;

    c) outputting said first output pulse on a first output channel associated with said vehicle detector;

    d) inferring a second vehicle detection event from at least one of vehicle speed and a vehicle length obtained from said first vehicle detection event;

    e) constructing a second output pulse corresponding to said second vehicle detection event; and

    f) outputting said second output pulse on a second output channel.

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