×

USING GPS AND RANGING TO DETERMINE RELATIVE ELEVATION OF AN ASSET

  • US 20070099629A1
  • Filed: 10/31/2006
  • Published: 05/03/2007
  • Est. Priority Date: 10/31/2005
  • Status: Active Grant
First Claim
Patent Images

1. A method of determining the floor of a building, on which a first person carrying a first wireless communication device is located, using a second wireless communication device, the method comprising the steps of:

  • (a) determining an (x,y) position of the first wireless communication device;

    (b) determining an (x,y) position of the second wireless communication device;

    (c) determining a distance between the first wireless communication device and the second wireless communication device; and

    (d) determining a relative elevational differential between the first wireless communication device and the second wireless communication device based on, (i) the determined (x,y) positions of the first and second wireless communication devices, and (ii) the determined distance between the first and second wireless communication devices.

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