×

DEVICE AND METHOD FOR CALIBRATING AND IMPROVING THE ACCURACY OF BAROMETRIC ALTIMETERS WITH GPS-DERIVED ALTITUDES

  • US 20070040732A1
  • Filed: 10/19/2006
  • Published: 02/22/2007
  • Est. Priority Date: 04/12/2001
  • Status: Active Grant
First Claim
Patent Images

1. An altitude determining apparatus comprising:

  • an altimeter operable to determine an altitude of the apparatus;

    a GPS unit for receiving satellite signals from a plurality of satellites and operable to determine an altitude of the apparatus; and

    a processor operable to calibrate the altimeter accounting for changes in local atmospheric pressure when the altimeter and GPS unit are moved in tandem.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×