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Ic Tag Whose Function Can Be Changed Upon Separation

  • US 20090121876A1
  • Filed: 10/11/2005
  • Published: 05/14/2009
  • Est. Priority Date: 10/18/2004
  • Status: Active Grant
First Claim
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1. An IC tag comprising a number n of separable portions A1 to An (n is a natural number such that n≦

  • 1), and a portion B other than the separable portions A1 to An,wherein the separable portion Ak (k is a natural number such that l≦

    k≦

    n) includes an ICk and the portion B includes an ICn+1,the IC tag further comprising a signal line Lk that electrically connects the ICk and the ICk+1, wherein the electrical signal connection is broken upon separation of the Ak,wherein each time the separable portion Ak is separated from A1 to An sequentially, the separation of the Ak is detected and the function of the tag is changed from a first function to the n+1-th function sequentially.

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