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TAG READING DEVICE

  • US 20090179738A1
  • Filed: 09/21/2005
  • Published: 07/16/2009
  • Est. Priority Date: 09/21/2005
  • Status: Abandoned Application
First Claim
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1. A tag reading apparatus that reads a plurality of tags which are in a predetermined area, comprising:

  • a transmission section that transmits reading signals for reading the tags to the plurality of tags;

    a reception section that receives response signals from tags that have received the reading signals; and

    a control section that controls the transmission section such that, when an idle time period out of a reception period during which the reception section receives the response signals exceeds a predetermined time period, output power of the transmission section is increased and the transmission section retransmits the reading signals.

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