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Data accumulation system

  • US 20050216786A1
  • Filed: 03/07/2005
  • Published: 09/29/2005
  • Est. Priority Date: 07/04/2000
  • Status: Abandoned Application
First Claim
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1. A data accumulation system comprising:

  • a history target device including a wireless communication portion;

    a history recording and reproducing device including a wireless communication portion;

    the history target device further including a data reading portion for obtaining history data of an operation and information obtained as a result of the operation, the history data being transmitted from the data reading portion to the history recording and reproducing device via the wireless communication portion; and

    the history recording and reproducing device receiving the history data transmitted from the history target device and recording the history data synchronously.

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