Patent ID: 6418372
Filing Date: 2002-07-09
Classification: G01C,G01S,G06K

Abstract:
An infrared guidance system for guiding a user to a selected one of a plurality of locations in a defined area, said system comprising:a portable device including a device infrared transceiver and an input to receive information corresponding to a selected location in said defined area, said information being selectable by said user; and an indicator, said indicator being physically separate from said portable device and including an indicator infrared transceiver, direction signs, and stored directional information corresponding to the relative direction in a path from said indicator to each of said locations; wherein said portable device directly communicates said information corresponding to said selected location via said device infrared transceiver to said indicator infrared transceiver of said indicator, and wherein portable device communicating said information corresponding to said selected location to said indicator causes said indicator to access said stored directional information and also causes said indicator to activate the appropriate direction sign to visually guide said user toward said selected location, and wherein said indicator accessing said stored directional information is done without consulting at that time any external computer for directional information.