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Method and system for updating a software image

  • US 7,664,984 B2
  • Filed: 08/26/2005
  • Issued: 02/16/2010
  • Est. Priority Date: 10/09/2002
  • Status: Active Grant
First Claim
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1. A computer-implemented method of updating a software image presently stored in an apparatus which includes a first operating system in a first storage area, the steps of the method comprising:

  • (a) storing a second operating system and a copy of a common image in a second storage area using the first operating system, the common image comprising a clean image created before updating the apparatus;

    (b) comparing the software image presently stored in the apparatus with the common image;

    (c) determining content of the software image which has been changed since the common image was made and applying the content which has been changed to the software image in the first storage area using the second operating system; and

    (d) after step (c), updating the software image by identifying a patch to be applied based on the apparatus configuration.

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