Table device, variable length coding apparatus, variable length decoding apparatus, and variable length coding and decoding apparatus
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United States of America Patent
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Oct 16, 2012
Grant Date -
Mar 4, 2010
app pub date -
May 9, 2007
filing date -
Jan 19, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A table device includes a match cell number output unit 25 for outputting a match cell number showing a cell PE which outputs a matching signal, and an address decoder 26 for specifying a node from among nodes in a search tree which construct a conversion table, the node corresponding to the match cell number. The table device acquires a data conversion value assigned to the above-mentioned node from a configuration memory 21, and, when the data conversion value is data showing a coded result or the like, outputs the data conversion value to outside the table device, whereas when the data conversion value is a branch code of the search tree, updates the cell PE to which a comparison instruction signal is furnished.
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