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System and method for location recognition using ic tags

  • US 20070103301A1
  • Filed: 01/13/2005
  • Published: 05/10/2007
  • Est. Priority Date: 01/13/2004
  • Status: Active Grant
First Claim
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3-1. The system for location recognition using IC tags as described in claim 1, wherein communication range of said communication area B is adjusted at different lengths depending on sizes and arrangement of items to which said IC tags are affixed.

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