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System for conforming position of moving terminal

  • US 5,842,131 A
  • Filed: 06/17/1997
  • Issued: 11/24/1998
  • Est. Priority Date: 06/29/1994
  • Status: Expired due to Term
First Claim
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1. A system for confirming a position of a moving terminal comprising:

  • a radio communication network including a plurality of base stations, each of said base stations corresponding to one of a plurality of individual radio areas;

    a moving terminal having a specific identification code, said moving terminal including a receiver for receiving a paging signal including said specific identification code, and a transmitter for wirelessly outputting a response signal in response to said paging signal;

    a first data base for previously storing position data representing positions within said plurality of individual radio areas to which a person holding said moving terminal may visit, and base station data representing respective ones of said base stations corresponding to said positions to which the person holding said moving terminal may visit, said position data and said base station data being stored in an associated manner with respect to said identification number of said moving terminal; and

    a service center means for paging one of said moving terminals by use of said radio communication network and for identifying base station data corresponding to a given one of said base stations which receives said response signal output by said moving terminal; and

    position retrieving means for retrieving from said first data base corresponding position data associated with said identified base station data, and for outputting said retrieved position data as a candidate for location of the person holding said moving terminal.

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