Detecting LTO Servo Patterns on Perpendicular Recorded Media
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United States of America Patent
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Issued Date -
Sep 22, 2011
app pub date -
Mar 16, 2010
filing date -
Mar 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In one embodiment, a servo processing circuit comprises a correlation filter and a Lagrange interpolator peak detector coupled to the correlation filter. The correlation filter is operable to receive a first signal as input; correlate the first signal with a reference signal; and produce a second signal as output, wherein the second signal indicates a correlation between the first signal and the reference signal. The Lagrange interpolator peak detector is operable to receive the second signal as input; detect one or more peaks in the second signal; and produce a third signal as output, wherein the third signal indicates one or more peak locations of the peaks in the second signal.
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