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Presence information management system and presence information management server

  • US 7,720,952 B2
  • Filed: 01/12/2006
  • Issued: 05/18/2010
  • Est. Priority Date: 04/01/2005
  • Status: Active Grant
First Claim
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1. A state information management system comprising a server for managing state information on a plurality of terminals,wherein the server includes:

  • a memory unit which stores the state information so as to correspond with at least one of information identifying the terminals, information identifying users of the terminals and information identifying a group to which the terminals or the users of the terminal belong;

    a reception unit which receives a state information disclosure request from a first terminal among the plurality of terminals;

    a control unit which extracts a state information extraction condition from the state information disclosure request; and

    a transmission unit which transmits state information on said first terminal and state information on one or a plurality of other terminals matched with the state information extraction condition among the state information stored in the memory unit, to the first terminal,wherein the state information extraction condition is a relative location condition in relation to said first terminal which is other than absolute locations of said first terminal and other terminals, information identifying the other terminals, information identifying users of the other terminals, and information identifying a group to which the users of the other terminals belong.

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