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RF TAG READER AND RF TAG INFORMATION ACQUISITION METHOD

  • US 20110199190A1
  • Filed: 02/11/2011
  • Published: 08/18/2011
  • Est. Priority Date: 02/12/2010
  • Status: Active Grant
First Claim
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1. An RF tag reader comprising:

  • an omission-in-reading determining section which determines that an RF tag belonging to a predetermined group might be unread when tag information is not acquired from an RF tag, which belongs to the group and whose tag information is not acquired yet, within a predetermined time after tag information corresponding to any one of a plurality of RF tags grouped as the predetermined group is acquired.

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