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Method of displaying information by using an LC resonance tag

  • US 6,094,133 A
  • Filed: 01/22/1998
  • Issued: 07/25/2000
  • Est. Priority Date: 01/22/1998
  • Status: Expired due to Fees
First Claim
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1. A method for discriminating articles for use in authenticating the articles and identifying a manufacture comprising:

  • associating a resonance tag having a predetermined resonance frequency with an article at the time of being produced;

    affixing the resonance tag sealing the article so that upon removal the resonance tag is disabled, whereby unauthorized tampering is detected;

    storing pattern data characteristics of the predetermined resonance frequency of the resonance tag and corresponding identifying data identifying the article and the manufacturer;

    transmitting a frequency band to be received by the resonance tag;

    receiving the predetermined resonance frequency emitted by the resonance tag;

    matching the received predetermined resonance frequency with the stored pattern data characteristics and corresponding identifying data; and

    providing the corresponding identifying data to a user,whereby the article is discriminated from other unauthorized articles.

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