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Method and system for acquiring maintenance information by an RFID tag

  • US 7,683,762 B2
  • Filed: 01/26/2005
  • Issued: 03/23/2010
  • Est. Priority Date: 01/27/2004
  • Status: Active Grant
First Claim
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1. A system for acquiring maintenance information, comprising a control apparatus and a reader,said control apparatus comprising:

  • an RFID tag including a first antenna and an IC memory and allowing data to be written in and read from the IC memory through the first antenna;

    a second antenna; and

    a historical data memory for storing the maintenance information;

    said reader comprising a third antenna and sending a read request via the third antenna by using the radio wave to acquire the maintenance information from the first antenna,wherein a housing of said control apparatus has a radio wave shielding structure, the housing of the radio wave shielding structure having a removable radio wave shielding cover allowing transmission/reception of the radio wave at least at a portion corresponding to the first antenna.

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