Head assembly for optical disc
Head driving apparatus and optical disk apparatus
Head driving device with carriage assembly centroid position set
Head position control device
Head positioning servo system for optical recording with coarse
Head positioning system for use in information recording/reprodu
Head seek control apparatus continuously detects and compensates
Head seeking control apparatus with changeable speed references
Header mask signal generating track jump method for a...
Header mask signal generating track jump method for a...
Height adjusting device for a pickup
High density data storage module
High density optical storage device
High speed track access for optical disks using acousto-optic de
High-capacity optical read/write pick-up mechanism and...
High-density mechanical memory and turing machine
High-density optical data storage unit and method for writing an
High-density optical data storage unit and method for writing an
High-sensitivity pickup actuator for disc drive
High-sensitivity pickup actuator for disc drive