Method and system of three-dimensional positional finding

Details Method and system of three-dimensional positional finding Method and system of three-dimensional positional finding

2006-03-14

2008-09-09

Sotomayor, John B (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Determining distance

Triangulation

C342S146000, C340S539130, C340S573400, C340S572100, C340S539320, C455S456100, C455S550100

Reexamination Certificate

active

07423580

ABSTRACT:
The present invention is an RF system and methods for finding a target T in three dimensional space configured to have a transponder disposed on the target T, a monitoring unit configured as a transceiver for determining or monitoring the location of the target T and an RF wireless communication system configured with a processor to repeatedly determine position, communication and other values between the transponder and monitoring unit and so as to generate a measured distance between units in three dimensional space by determining the measured distance of the target T by a spherical virtual triangulation relationship when successive values of said position information has a predetermined logical relationship relative to said previous values between said monitoring unit and transponder and/or slave unit disposed on the target T.

REFERENCES:
patent: 7190309 (2007-03-01), Hill
patent: 7327306 (2008-02-01), Laroche
patent: 7359719 (2008-04-01), Duffett-Smith et al.
patent: 2003/0146871 (2003-08-01), Karr et al.
patent: 2005/0020279 (2005-01-01), Markhovsky et al.
patent: 2006/0012476 (2006-01-01), Markhovsky et al.
patent: 2006/0256001 (2006-11-01), Markhovsky et al.
patent: 2008/0100706 (2008-05-01), Breed

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