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Water bike equipped with speed meter

  • US 6,508,116 B1
  • Filed: 06/02/2000
  • Issued: 01/21/2003
  • Est. Priority Date: 10/05/1999
  • Status: Expired due to Fees
First Claim
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1. A water bike equipped with a speed meter comprising:

  • a coil disposed to generate in water a magnetic flux in at least a direction crossing orthogonally a running direction of said water bike;

    a current source for supplying a current for generating the magnetic flux in said coil;

    electrodes having threads for supporting a flat metallic portion which contacts the water for detecting electromotive force generated in water by an electromagnetic induction operation occurring between said magnetic flux and water during running of said water bike;

    computing means for determining the speed of said water bike on the basis of the signal detected by said electrodes; and

    display means for displaying the speed so determined.

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