System and methods for improving data compression
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United States of America Patent
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Aug 25, 2009
Grant Date -
N/A
app pub date -
Sep 5, 2002
filing date -
Sep 5, 2002
priority date (Note) -
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Abstract
An improved data compression system and method is disclosed. The data compression method uses smaller fixed bit words to represent streams of digital data. The fixed bit words are sent instead of the streams of digital data. A table relating the fixed bit words and streams of digital data is provided as a dictionary. Each entry has a node which is indexed in a stored index. As additional fixed bit words are established for new streams of digital data, older fixed bit words are deleted from the dictionary. The older fixed bit words are prevented from being deleted if they are used for subsequent streams of data. There are a number of methods to determine how the older fixed bit words are retained which are disclosed.
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