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Computer system with wireless pen and relay pairing

  • US 8,152,072 B2
  • Filed: 11/18/2008
  • Issued: 04/10/2012
  • Est. Priority Date: 05/18/2004
  • Status: Expired due to Fees
First Claim
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1. A computer system comprising:

  • a printer configured to print visible information and invisible coded data tags on a surface associated with a product item, each coded data tag encoding an identity of the product item and a part of a digital signature, the digital signature comprising a plurality of parts;

    a pen-type device including an image sensor configured to sense the coded data tags and wirelessly transmit associated sensed data;

    a relay configured to receive the transmitted data; and

    one or more servers interfaced to the relay, and configured to process the received data from the relay and to authenticate the product item based upon the identity of the product item and the part of the digital signature.

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