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GPS device with compass and altimeter and method for displaying navigation information

DC
  • US 6,529,827 B1
  • Filed: 11/01/1999
  • Issued: 03/04/2003
  • Est. Priority Date: 11/01/1999
  • Status: Expired due to Term
First Claim
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1. A navigation device comprising:

  • a GPS unit for determining position information corresponding to a position of the device;

    an altimeter for determining altitude information corresponding to an altitude of the device;

    a processor for receiving GPS signals from the GPS unit corresponding to the position information and altitude signals from the altimeter corresponding to the altitude information, and the processor being adapted to calibrate the altitude signals using the GPS signals;

    an input connected to said processor;

    a display connected to said processor and operable for simultaneously displaying data indicative of the position information and data indicative of the altitude information; and

    wherein said navigation device comprises a portable handheld unit having a housing for housing said GPS unit, said altimeter, said processor, said input and said display.

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