Method and apparatus for storing run-intensive information in compact form
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United States of America Patent
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Mar 31, 1998
Grant Date -
N/A
app pub date -
Aug 27, 1996
filing date -
Aug 27, 1996
priority date (Note) -
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Abstract
A method for compressing FAT and FAT-like structures, which include runs of primitives and runs intervening codes, includes the steps of receiving a plurality of primitive runs in a memory and generating a plurality of variable-length code sequences where each code sequence is dedicated to a primitive run. Each code sequence indicates of its dedicated run, a primitive-type, a primitive runlength, the presence of an intervening run and, if present, an intervening runlength, and the presence of a jump value pointer. If a jump value pointer is present, the code sequence further indicates the jumplength, which is indicated as a difference (or .alpha.) value. The length of each code sequence varies depending on run characteristics such as primitive runlength, intervening runlengths and jumplength.
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