Patent ID: 6281811
Filing Date: 2001-08-28
Classification: G01C,G01S

Abstract:
A system for locating a person within an area containing resources, for communicating the person's specific interests to the system, and for communicating information regarding the resources related to said interests to the person, comprising:(a) a database of interests, of resources related to said interests, and of the geographic locations of said resources;(b) an infra-red emitter attached to the person, further comprising means for emitting a signal uniquely identifying and locating the person;(c) a multiplicity of infra-red sensors, one located in proximity to each resource;(d) radio means for communicating a specific interest from the person to the system, further comprising:A. one or more microphones;B. one or more voice recognition subsystems;C. one or more keyword search subsystems; andD. one or more computers;(e) means for storing the person's location and specific interests;(f) computational means to determine distances and directions from the person to each resource, and to generate instructions for allowing the person to reach said resource, further comprising:A. a history database comprising a multiplicity of records, each of which further comprises a time, date, and location of the person; andB. extrapolation means to determine the current position of the person based on said history database;(g) radio means for communicating from the system to the person, further comprising means to communicate, for each resource related to the person's specific interest;A. said resource's location;B. a description of the resource;C. said instructions for reaching the resource.