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Thinh Huu Nguyen, Chorng-Kuang Wang |
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Method and apparatus for optimizing access to coded indicia hierarchically stored on at least one surface of a cyclic, multitracked recording device |
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Digital demodulation of a complementary two-frequency servo PES pattern |
— |
2000-02-15 |
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Multi-track density direct access storage device |
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Quadrature servo pattern disk providing asynchronous digital PES |
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Asynchronous digital PES demodulation disk drive servo control system |
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Asynchronous position error signal detector employing weighted accumulation for use in servo system |
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— |
1997-03-25 |
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Asynchronous track code encodement and detection for disk drive servo control system |
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