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APPARATUS FOR RECOGNIZING RADIO FREQUENCY IDENTIFICATION (RFID) AND METHOD THEREOF, AND DATA PROCESSING METHOD OF RFID

  • US 20090115582A1
  • Filed: 06/30/2006
  • Published: 05/07/2009
  • Est. Priority Date: 03/23/2006
  • Status: Active Grant
First Claim
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1. A method for reading a radio frequency identification (RFID) by an RFID reader reading a plurality of RFIDs, the method comprising:

  • a) generating a specific query message to the RFIDs;

    b) receiving a first response message corresponding to the query message from at least one RFID among the RFIDs; and

    c) sequentially identifying a tag ID of the collided RFID by using a collision solving message when collision is generated according to the result of receiving the first response.

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