Primary and secondary servo timing gates used with simultaneously operating readers
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United States of America Patent
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Jan 9, 2018
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app pub date -
May 22, 2017
filing date -
May 22, 2017
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Abstract
First and second read channel logic circuits are configured to process first and second signals communicated from respective first and second readers that simultaneously read from a magnetic disk. A first servo detection circuit generates a primary servo gate based on timing data from the first reader. The primary servo gate is used for processing the first signal via the first read channel logic. A second servo detection circuit that generates a secondary servo gate based on the primary servo gate and an adjustment value. The secondary servo gate is used for processing the second signal via the second read channel logic.
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