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Dual smart card access control electronic data storage and retrieval system and methods

  • US 5,629,508 A
  • Filed: 02/06/1995
  • Issued: 05/13/1997
  • Est. Priority Date: 12/02/1994
  • Status: Expired due to Fees
First Claim
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1. An electronic data access and retrieval system comprising:

  • at least first and second smart cards, a first card being encoded with digital data fields representative of predetermined information and a second card including authorization codes for enabling access to and authorized retrieval of selected information from said digital data fields of said first card;

    computer means including display means for displaying the accessed data and having at least first and second smart card read/write means operatively connected to said computer means for reading data fields from and writing data fields to said first and second smart cards;

    whereby when the said first smart card is placed into said first read/write means and the said second smart card is placed into said second read/write means, access to and authorized retrieval of at least some of the data fields contained in the said first card is enabled and displayed.

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