Patent Document ID: 5530645
Application ID: 08085846

Base Claim:
1. A composite dictionary data compression process for use with a computer system comprising the steps of: receiving into the computer system an uncompressed input data string; searching a composite dictionary to detect a dictionary data string matching the uncompressed input data string, the composite dictionary comprising a fixed dictionary and an adaptive dictionary; and modifying the adaptive dictionary in response to whether a matching dictionary data string is detected.

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Claim 5:
5. A composite dictionary data compression process of claim 1 further comprising a decompression process, the decompression process comprising the steps of: loading the computer system with the fixed dictionary; initializing the adaptive dictionary; detecting a compressed input data entry to decompress in a compressed input data buffer; detecting if the compressed input data entry corresponds to stored data in the composite dictionary, and if the compressed input data entry is detected to correspond to stored data in the composite dictionary, then retrieving the stored data from the composite dictionary.