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Television signal activated interactive smart card system

  • US 5,594,493 A
  • Filed: 01/19/1994
  • Issued: 01/14/1997
  • Est. Priority Date: 01/19/1994
  • Status: Expired due to Term
First Claim
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1. A card for receiving promotion data directly from a display, said promotion data encoded within a signal presented on said display, said card comprising:

  • a light sensor disposed on said card to receive said promotion data from said display;

    a central processing unit (CPU) disposed on said card;

    a promotion memory disposed on said card and coupled to said CPU for storing said promotion data, said promotion data being stored in the form of UPC codes; and

    a program memory disposed on said card and coupled to said CPU, said program memory programmed to direct said CPU to store said promotion data in said promotion memory.

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