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Data carrying device and systems for use therewith

  • US 6,532,518 B2
  • Filed: 02/04/2002
  • Issued: 03/11/2003
  • Est. Priority Date: 04/01/1998
  • Status: Expired due to Fees
First Claim
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1. A data carrying device having a memory space for storing data at a plurality of locations, said memory space including:

  • a static area residing at a fixed location;

    an index area residing at a first dynamically allocatable location;

    an application area residing at a second dynamically allocatable location, said static area being configured to hold data pointing to the location of said index area and said index area being configured to hold data indicative of applications or programs residing within said application area;

    said static area being dynamically variably configurable as either random access memory or read-only memory in accordance with a variable setting of an access control block.

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