Data compression with error correction
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United States of America Patent
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-
Apr 6, 1993
Grant Date -
N/A
app pub date -
Nov 3, 1988
filing date -
Nov 3, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A combined data compression/error correction system suitable for use in synchronous communication utilizes a data compressor to produce variable rate compressed data from synchronous data. The variable rate compressed data is applied to a FIFO memory which is monitored to determine when the amount of data in the FIFO drops below a predetermined threshold. When it drops below this threshold, an error correction code generator generates a separator character and an error correction code which is appended to the compressed data in the FIFO. Thus, the additional bandwidth created by data compression is used to provide enhancement to the data integrity by providing a variable level of error correction varying in accordance with the free bandwidth generated by the data compressor.
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