US Patent No: 5,243,604
Number of patents in Portfolio can not be more than 2000
On-the-fly error correction
Stats
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Sep 7, 1993
Issued date -
Dec 18, 1990
filing date -
07/629,398
serial no -
Expired
status
Importance
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Abstract
On-the-fly error correction is provided using syndromes of a codeword encoded on data storage media. First and second syndromes are generated and a variable prescaler prescales the second syndrome by a field element to produce a prescaled second syndrome where the field element is variable. The error value is determined based on the first syndrome, and the error location is determined based on a comparison between the error value and the value of the prescaled second syndrome. The error value located at the error location is then corrected.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,397,022 Weighted erasure codec for the (24, 12) extended Golay code | 63 | 1981 | |
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| 4,961,193 Extended errors correcting device having single package error correcting and double package error detecting codes | 17 | 1988 | |
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| 4,236,247 Apparatus for correcting multiple errors in data words read from a memory | 11 | 1979 | |
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| 4,890,287 On-the-fly error correction | 22 | 1988 | |
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| 4,569,051 Methods of correcting errors in binary data | 10 | 1983 | |
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| 4,633,471 Error detection and correction in an optical storage system | 57 | 1983 | |
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| 4,567,594 Reed-Solomon error detecting and correcting system employing pipelined processors | 33 | 1983 | |