Method of and apparatus for controlling magnetic disc drive

Method of and apparatus for controlling the displacement of a mo

Method of and apparatus for controlling the gain of circuitry re

Method of and apparatus for controlling the phase of a video sig

Method of and apparatus for correcting data recording...

Method of and apparatus for displacing a movable system driven b

Method of and apparatus for head position control

Method of and apparatus for obtaining synchronous movement betwe

Method of and apparatus for positioning a rotary magnetic head d

Method of and apparatus for preventing generating of...

Method of and apparatus for writing data on a recording medium a

Method of automatic gain control basis selection and method of h

Method of avoiding resonance in servo controlled apparatus

Method of calibrating magnetic storage medium bi-directional...

Method of compensating for microjog error due to repeatable...

Method of compensating for non-linear torque characteristics of

Method of compensating for the misregistration of the radial tra

Method of compensating for track address discontinuity...

Method of compensating for track zero position in reference...

Method of compensating offtrack in disk unit