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Fast data compressor with direct lookup table indexing into history buffer

  • US 5,155,484 A
  • Filed: 09/13/1991
  • Issued: 10/13/1992
  • Est. Priority Date: 09/13/1991
  • Status: Expired due to Term
First Claim
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1. An apparatus operating upon an input data block, the apparatus comprising:

  • means for maintaining a direct lookup table (DLT) array of DLT entries, each DLT entry being indexable in the DLT by a unique integer and identifying a location in the input data block; and

    indexing means for using one or more bytes at a current location in the input data block as an integer to directly access a given DLT entry, contents of the given DLT entry identifying a target location in the input data block.

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