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RFID TAG DEVICE, TAG IDENTIFICATION DEVICE AND RADIO COMMUNICATION SYSTEM

  • US 20080157935A1
  • Filed: 03/03/2008
  • Published: 07/03/2008
  • Est. Priority Date: 08/25/2004
  • Status: Abandoned Application
First Claim
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1. A communication method of using an RFID tag device, comprising:

  • generating a random number or a pseudo-random number;

    holding identification information having a plurality of bits;

    generating noise-added identification information by conducting either of reversal from “

    0”

    of a bit decided based on the generated random number generator to “

    1”

    or reversal from “

    1”

    of the bit to “

    0”

    , among a plurality of bits included in the identification information; and

    transmitting the noise-added identification information by radio.

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