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Method and apparatus for upgrading cellular mobile telephones

  • US 5,418,837 A
  • Filed: 07/30/1993
  • Issued: 05/23/1995
  • Est. Priority Date: 07/30/1993
  • Status: Expired due to Term
First Claim
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1. An apparatus for upgrading existing software in a mobile telephone, the mobile telephone having a main memory, said apparatus comprising:

  • a module reader provided in the mobile telephone;

    a software upgrading module card, said card comprising;

    means for temporarily connecting said card to the mobile telephone by insertion into said module reader; and

    means for storing upgrading software to be transmitted into the main memory in the mobile telephone, said upgrading software comprising controlling software for controlling operation of the mobile telephone;

    means provided in the mobile telephone for transmitting said upgrading software into the main memory; and

    wherein said upgrading software further comprises;

    identification data for identifying the software upgrading module card and the mobile telephone;

    warranty data for providing warranty information on the upgrading software and the software upgrading module card;

    function data for upgrading a plurality of mobile telephone functions;

    feature data for allowing access to a plurality of mobile telephone features;

    timing data for defining a useful life of said mobile telephone features;

    type data for identifying types of data stored in the software upgrading module card; and

    checksum data for verifying transmission of the upgrading software into the main memory.

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