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Data storage device attenuating multiple actuator coupling disturbance |
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Data storage device communicating servo information between servo channels of multiple actuators |
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Voltage regulating systems responsive to feed-forward information from deterministic loads |
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Adjustable voice coil motor driver |
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Magnetic recording disk drive with switchable compensation for mechanical and electrical disturbances |
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Removable hard disk drive (HDD) that is hot-plug compatible with multiple external power supply voltages |
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2008-02-19 |
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Motor drive circuitry with regenerative braking for disk drive |
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2007-12-18 |
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Head positioning system for a disk drive during a power down condition |
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Method and system for providing spindle motor control for head loading in a disk drive |
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2001-07-17 |
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Method and apparatus for controlling spindle motor commutation switching times in a disk drive |
Mantle Man-Hon Yu |
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Adaptive pulse width modulated motor control |
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1999-11-16 |
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Servo-free velocity estimator for coil driven actuator arm in a data storage drive |
Louis J. Serrano |
1999-10-05 |
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Apparatus and method for reducing spindle power and acoustic noise in a disk drive |
Mantle Man-Hon Yu |
1999-03-23 |
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Servo-free velocity estimator for coil driven actuator arm in a data storage drive |
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1998-07-14 |
