Self-contained/interruption-free positioning method and...

Details Self-contained/interruption-free positioning method and... Self-contained/interruption-free positioning method and...

2007-01-09

2007-01-09

Zanelli, Michael J. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C701S216000, C701S213000, C701S211000, C342S357490

Reexamination Certificate

active

09740539

ABSTRACT:
A self-contained/interruption-free earth's surface positioning method and system, carried by a user on the earth's surface, includes an inertial measurement unit, a north finder, a velocity producer, an altitude measurement device, a GPS (Global Positioning System) receiver, a data link, a navigation processor, a wireless communication device, and a display device and map database. Output signals of the inertial measurement unit, the velocity producer, altitude measurement device, the GPS receiver, the data link, and the north finder are processed to obtain highly accurate position measurements of the user. The user's position information can be exchanged with other users through the wireless communication device, and the location and surrounding information can be displayed on the display device by accessing a map database with the user position information.

REFERENCES:
patent: 5307277 (1994-04-01), Hirano
patent: 5359889 (1994-11-01), Jircitano et al.
patent: 5757317 (1998-05-01), Buchler et al.
patent: 5902351 (1999-05-01), Streit et al.
patent: 6282496 (2001-08-01), Chowdhary
patent: 6370475 (2002-04-01), Breed et al.

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