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Efficient system and method for updating a memory device

  • US 7,210,010 B2
  • Filed: 09/30/2003
  • Issued: 04/24/2007
  • Est. Priority Date: 09/30/2002
  • Status: Active Grant
First Claim
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1. An updating system for transforming a first data image into a second data image, wherein said first image resides across k memory blocks of a block-structured non-volatile memory device contained in a client device, said updating system comprising:

  • an update generator that produces an update package resulting from a comparison between the first data image and the second data image whereby said comparison selects and encodes an instruction set comprising a plurality of SETBLOCK, COPY and ADD operations for each of the k memory block; and

    an update decoder resident on the client device, whereby said update decoder interprets the instruction set of the update package and applies the update package to update the k memory block;

    wherein the SETBLOCK operations identify specific operations applicable to specific memory blocks and facilitate memory block updating in a non-sequential manner;

    wherein said update package further includes a status array comprised of at least two switchable status identifiers associated with each memory block X of k to be updated as instructed by the instruction set contained in the update package.

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