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System having devices connected via communication lines

  • US 6,715,071 B2
  • Filed: 06/25/1999
  • Issued: 03/30/2004
  • Est. Priority Date: 06/26/1998
  • Status: Expired due to Fees
First Claim
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1. A system in which a plurality of devices driven by supply of power are connected, each of at least two devices out of the plurality of devices comprising:

  • memory means for storing common history information of each device connected to said system; and

    first control means for altering, when the present device configuration of said system is altered to a new device configuration, the common history information of the present device configuration in all of said memory means to new common history information reflecting the new device configuration.

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