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Method and device for simplifying the use of a plurality of credit cards, or the like

DC
  • US 5,276,311 A
  • Filed: 07/01/1992
  • Issued: 01/04/1994
  • Est. Priority Date: 03/01/1989
  • Status: Expired due to Term
First Claim
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1. A method for enabling a user of an electronic multi-function card to select data from a plurality of data sources such as credit cards, check cards, customer cards, identity cards, documents, keys, access information and master keys comprising the steps of:

  • transferring a data set from each of the plurality of data sources to the multi-function card;

    storing said transferred data set from each of the plurality of data sources in the multi-function card;

    assigning a secret code to activate the multi-function card;

    entering said secret code into the multi-function card to activate the same;

    selecting with said activated multi-function card a select one of said data sets; and

    displaying on the multi-function card in at least one predetermined display area the data of said selected data set.

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