System and method for determining loft time, speed, height and distance

  • US 6,499,000 B2
  • Filed: 02/15/2001
  • Issued: 12/24/2002
  • Est. Priority Date: 11/21/1994
  • Status: Expired due to Term
First Claim
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1. A system for determining loft time of a moving vehicle off of a surface, the vehicle of the type which is ridden along the surface by a user of the vehicle, comprising:

  • a loft sensor for sensing a first condition indicative of the vehicle leaving the surface, and a second condition indicative of the vehicle returning to the surface, the loft sensor being constructed and arranged so as to be substantially non-interfering with motion of the vehicle along the surface;

    wherein the loft sensor senses a spectrum of information;

    wherein the first and second conditions correspond to a change in the spectrum of information; and

    a processor for determining a loft time that is based on the first and second conditions, wherein the processor interprets the change in the spectrum of information to determine the loft time.

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