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Television signal activated interactive smart card system

  • US 5,907,350 A
  • Filed: 04/23/1997
  • Issued: 05/25/1999
  • Est. Priority Date: 01/19/1994
  • Status: Expired due to Term
First Claim
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1. A method for transferring information at a point of sale system to a data processor, the data processor including a CPU, a RAM, a program storage memory and a display, the point of sale system including a scanner, said method comprising the steps of:

  • receiving data from the scanner through the display of the data processor, the data encoded in the form of light;

    converting the received light into electric signals corresponding to the data;

    providing the electric signals to the RAM of the data processor; and

    processing the data in the RAM by the CPU according to a program in the program storage memory.

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