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Multi-mode navigation device and method

  • US 20040059502A1
  • Filed: 09/17/2003
  • Published: 03/25/2004
  • Est. Priority Date: 09/20/2002
  • Status: Active Grant
First Claim
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1. A navigation device comprising:

  • an electronic compass to detect an orientation and provide a corresponding heading signal;

    one or more motion sensing devices to detect motion along different axis and provide corresponding motion signals; and

    a processing unit communicatively coupled to the electronic compass and one or more motion sensing devices to received the heading signal and one or more motion signals, determine a position and orientation, and automatically provide different navigation information depending on the orientation of the navigation device.

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