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Method and apparatus for identification of objects

  • US 6,535,128 B2
  • Filed: 02/18/1999
  • Issued: 03/18/2003
  • Est. Priority Date: 02/18/1999
  • Status: Expired due to Fees
First Claim
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1. A system for automatically identifying an article using an identification tag carried by said article, said system comprising:

  • a sphere made of a material having unique characteristics;

    a detector for detecting the present of said sphere and providing an electrical signal descriptive of said unique characteristics;

    a control unit coupled to said detector and receiving said electrical signal, said control unit using said electrical signal to identify said article; and

    wherein said identification tag includes a carrier for carrying a plurality of said spheres.

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