Method and apparatus for adjusting asymmetric recording signals
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United States of America Patent
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Jan 16, 1996
Grant Date -
N/A
app pub date -
May 24, 1993
filing date -
May 24, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a magnetic recording system, an asymmetry detector reverses the phase of a read, single-frequency test signal to indicate to a micro-controller whether recording signal asymmetry is present. Upon detecting such asymmetry, the micro-controller causes a current source coupled to the recording head to adjust a write current to correct the timing of a written data signal.
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