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Secure access system utilizing an access card having more than one embedded integrated circuit and/or plurality of security levels

  • US 5,774,546 A
  • Filed: 01/08/1997
  • Issued: 06/30/1998
  • Est. Priority Date: 10/03/1994
  • Status: Expired due to Term
First Claim
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1. A CATV system comprising:

  • a CATV network; and

    apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, each including;

    a CATV decoder; and

    an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including one IC card receptacle which accepts one IC card with two separate integrated circuits embodied within, wherein each of said separate integrated circuits is separately accessed by said IC card reader and writer.

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