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System and method for displaying product information in a retail system

DC
  • US 5,890,135 A
  • Filed: 02/20/1996
  • Issued: 03/30/1999
  • Est. Priority Date: 02/20/1996
  • Status: Expired due to Term
First Claim
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1. In a system including a communication device and a plurality of portable cards each having a memory, a method of operating the system comprising the steps of:

  • reading a first signal from the memory of a card in the plurality of cards, in response to a person presenting the card at the communication device, the first signal corresponding to a product;

    generating, responsive to the first signal, a second signal containing an image of the product; and

    displaying the second signal.

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