Single syndrome generator for forward and reverse read of high density magnetic tape and method therefor
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United States of America Patent
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Sep 26, 1989
Grant Date -
N/A
app pub date -
Apr 20, 1988
filing date -
Apr 20, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A single diagonal syndrome generator receives first (forward reading) and second (reverse reading) sets of eight-bit data and a single vertical syndrome generator receives the first and second sets of eight-bit data from a progammable read only memory. The second set of data is reversed in bit order prior to delivery to the syndrome generators. The output of the two syndrome generators are delivered into an error processor and an error correction circuit for correcting errors in the first and second sets of eight-bit data. Upon error correction, the second set of eight-bit data is again reversed to put it in the same bit order as originally read.
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