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System for operating a plurality of apparatuses based on accumulated operating times thereof to equalize the respective operating times of the apparatuses

  • US 7,277,933 B2
  • Filed: 01/31/2001
  • Issued: 10/02/2007
  • Est. Priority Date: 08/28/2000
  • Status: Expired due to Fees
First Claim
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1. A system operating a plurality of information apparatuses, comprising:

  • a measuring unit measuring operating time of each of a plurality of information apparatuses;

    a determining unit determining rotation candidates, among said plurality of information apparatuses, based on accumulated operating times of said respective information apparatuses with a view to equalizing the accumulated operating times of said respective information apparatuses and sending information apparatuses rotation messages to said rotation candidates;

    a backup unit backup processing data stored in said rotation candidate information apparatuses in accordance with said rotation messages; and

    a downloading unit for downloading said data associated with one of said rotation candidate information apparatuses on another of said rotation candidate information apparatuses after the rotation between said one of said rotation candidate information apparatuses and said another of said rotation candidate information apparatuses one has been completed.

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