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Certifying system, radio tag, certifying method and certifying program

  • US 20060055507A1
  • Filed: 12/27/2004
  • Published: 03/16/2006
  • Est. Priority Date: 08/30/2004
  • Status: Active Grant
First Claim
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1. A certifying system for checking validity of a radio tag passing through a predetermined route comprising:

  • a route information writing section, disposed along the predetermined route, that writes information relating to a route passed by the radio tag on the radio tag, a route information acquisition section that acquires the information relating to the route written on the radio tag by the route information writing section, a storage section that stores information relating to a regular route preset corresponding to the ID of the radio tag, and a certifying section that checks the validity based on the information relating to the route written on the radio tag acquired by the route information acquisition section and the information relating to the regular route stored in the storage section.

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