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WIRELESS TAG READER/WRITER AND COMMUNICATION METHOD FOR USE IN WIRELESS TAG READER/WRITERS

  • US 20090009331A1
  • Filed: 03/06/2008
  • Published: 01/08/2009
  • Est. Priority Date: 07/05/2007
  • Status: Abandoned Application
First Claim
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1. A wireless tag reader/writer comprising:

  • a plurality of communication antennas arranged in a direction in which wireless tags pass and configured to transmit and receive signals to and from the wireless tags; and

    a wireless tag reader/writer main unit configured to process signals to transmit to the wireless tags and signals received from the wireless tags,wherein the wireless tag reader/writer main unit changes the intensity of the electric waves radiated from the communication antennas which are provided at the entrance or exit of a passage of wireless tags, thereby selecting a wireless tag with which the wireless tag reader/writer is to communicate.

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