Patent ID: 8102316

Claim:
A method for monitoring and tracking the position of a subject, the method comprising: embedding a transponder into an article to be worn by the subject; installing software in a GPS-enabled receiver for synchronizing and communicating with the transponder, the receiver to be maintained by a user; storing a unique transponder code in the receiver; synchronizing the transponder with the receiver based on the unique transponder code; selectively activating the transponder remotely; triangulating the geographic position of the transponder by: fixing a first reference point based on the location of the GPS-enabled receiver; fixing a second reference point based on the location of a network broadcast site through which the receiver and transponder communicate; and calculating the location of the transponder based on the angular position of the transponder relative to the network broadcast site; and determining distance and direction of the transponder from the receiver in order to guide the user in the direction of the transponder.