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Contactless type communication tag, portable tag reader for verifying a genuine article, and method for providing information of whether an article is genuine or not

  • US 20070109124A1
  • Filed: 03/30/2004
  • Published: 05/17/2007
  • Est. Priority Date: 04/01/2003
  • Status: Active Grant
First Claim
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1. A contactless communication tag that is attached to a product and provides product information, the contactless communication tag comprising:

  • a contactless communication unit, which wirelessly exchanges data with a tag reader, creates a power source from a power signal received from the tag reader, and supplies the power source;

    a storing unit in which the product information and encryption key related information are stored; and

    an encryption unit, which encrypts the product information to be transmitted to the tag reader based on the encryption key related information.

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