ERROR CORRECTION CIRCUIT AND METHOD THEREOF
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United States of America Patent
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Issued Date -
Nov 5, 2009
app pub date -
Jan 12, 2009
filing date -
Apr 30, 2008
priority date (Note) -
Abandoned
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Abstract
An error correction method is applicable for accessing a data in a storage medium. The method includes the steps of: encoding a portion of the data and the whole data to produce a partial data parity for that portion of the data and a whole data parity for the whole data; using the partial data parity to decode the corresponding portion of the data and the corresponding partial data parity in order to correct error bits from the corresponding portion of the data and from the partial data parity according to the decoded result; using the whole data parity to decode the whole data and the whole data parity in order to correct the error bit from the whole data and the whole data parity according to the decoded result; and outputting the corrected data.
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