Patent ID: 8437954

Claim:
For use in navigating, a travel director comprising: means for providing a signature signal, the means for providing a signature signal including a plurality of signature signal sources located in respective predetermined positions relative to the predetermined environment; means for storing data indicative of the position of the plurality of the signature signal sources and the positions of a plurality of destination locations in relation to the environment, the stored data including a plurality of destination categories, each destination category of the plurality of destination categories including at least one destination location; means for selecting at least one destination category; means for creating a route from a real time position of the travel director to a final destination, the final destination being one of the plurality of destination locations, the route including each destination location included in the selected destination category, the route being created to optimize the route as a function of predetermined categorical attributes associated with the selected destination category; means for receiving a signature signal from at least one of the signature signal sources; and means responsive to receipt of the signature signal by said receiving means for comparing said source position and destination position data to determine the position of said director relative to said destination.