Coded data generation or conversion – Digital code to digital code converters – Adaptive coding
Patent
1998-10-27
2000-10-10
JeanPierre, Peguy
Coded data generation or conversion
Digital code to digital code converters
Adaptive coding
341 65, H03M 738, H03M 734
Patent
active
061306304
ABSTRACT:
Apparatus and method for compressing Huffman encoded data. The compression apparatus includes a string detector and a record generator. The compression apparatus operates to receive the Huffman encoded data and the length of the codewords used to generate the Huffman encoded data. The string detector then operates to detect each set of repeating strings and each non-repeating string in the encoded data. Each set of repeating strings is replaced with a record that indicates the length of the repeating string, the number of repeats and an instantiation of the repeating string. In addition, each non-repeating string is replaced with a record that indicates the length of the non-repeating string and the non-repeating string. The resulting compressed Huffman data can then be transmitted to a printer.
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Bradburn Brent M.
Grohs Randall E.
Hewlett--Packard Company
Jean-Pierre Peguy
Wade Matthew L.
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