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Wireless tag system, wireless tag access control device, wireless tag access control method, wireless tag access control program and wireless tag

  • US 7,212,121 B2
  • Filed: 12/14/2004
  • Issued: 05/01/2007
  • Est. Priority Date: 08/26/2004
  • Status: Expired due to Fees
First Claim
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1. A wireless tag system comprising:

  • a plurality of wireless slave tags which have respective unique IDs;

    a plurality of wireless master tags arranged for said slave tags and storing the unique IDs of said slave tags; and

    a wireless tag access control device which accesses said master tags to acquire the unique IDs of said slave tags from said master tags and subsequently accesses said slave tags by using the acquired unique IDs of the slave tags.

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