Method to improve data reliability on hard disk drive systems
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United States of America Patent
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Oct 9, 2007
Grant Date -
Dec 1, 2005
app pub date -
May 26, 2005
filing date -
May 31, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for storing user data on a hard disk drive system comprises distributing user data across a plurality of independent data sectors, with each data sector including a first header having a first preamble field and a first sync mark field, and a second header having a second preamble field and a second sync mark field. The method performs a first timing recovery phase for recovering signal amplitude by acquiring phase and frequency lock from at least one of the preamble fields, and performs a subsequent frame synchronous detection phase by acquiring a corresponding sync mark field.
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