Method and apparatus for following a recorded data track with a

Method and apparatus for gain calibration in a disk drive servo

Method and apparatus for generating a control signal

Method and apparatus for generating servo information

Method and apparatus for handling multiple resonance...

Method and apparatus for handling resonance effects in disc...

Method and apparatus for hard disk drive with...

Method and apparatus for head control, and disk-drive apparatus

Method and apparatus for head fly height measurement

Method and apparatus for head positioning control in a disk...

Method and apparatus for head positioning control in a disk...

Method and apparatus for head positioning control in a disk...

Method and apparatus for head positioning control in disk drive

Method and apparatus for head positioning control in...

Method and apparatus for head positioning control with...

Method and apparatus for head positioning using servo...

Method and apparatus for head positioning using spiral servo...

Method and apparatus for head-positioning control, for use...

Method and apparatus for heat positioning control in disk storag

Method and apparatus for identifying spindle imbalance in a...