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READER/WRITER APPARATUS, DATA ACCESS SYSTEM, DATA ACCESS CONTROL METHOD, AND COMPUTER PRODUCT

  • US 20080136599A1
  • Filed: 11/29/2007
  • Published: 06/12/2008
  • Est. Priority Date: 12/06/2006
  • Status: Abandoned Application
First Claim
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1. A reader/writer apparatus for reading/writing data from/to an RFID tag according to an instruction from a host apparatus, comprising:

  • a tag search instruction receiving unit that receives a tag search instruction from the host apparatus, the tag search instruction including at least one of a data read instruction and a data write instruction on the RFID tag;

    a tag identification information requesting unit that transmits to the RFID tag a request for transmission of tag identification information uniquely identifying the RFID tag when the tag search instruction receiving unit receives the tag search instruction; and

    a data processing requesting unit that transmits at least one of a data read request and a data write request to the RFID tag identified by the tag identification information based on the at least one of the read instruction and the write instruction when receiving the tag identification information transmitted from the RFID tag in response to the request for transmission transmitted from the tag identification information requesting unit.

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