Tilt device for an optical head

Tilt error signal producing apparatus using multiple tracking er

Tilt sensor, optical disk, and tilt compensating method for perf

Tilt servo apparatus for optical disc recording/playing...

Tilt servo apparatus for use in optical disc reproducing apparat

Tilt servo circuit for an optical disc playback device

Tilt servo system

Tilt servo system for correcting tilt angle of light beam in...

Tilting mechanism for optical pickup unit

Timing signal recovery by superheterodyne phase locked loop

Track access control device for an optical disk drive

Track access control system for disk system, having eccentricity

Track access error correction apparatus for moving an optical he

Track access method and apparatus therefor

Track calculation method for fixing track jumps of optical...

Track compensation apparatus of magnetooptical disk apparatus

Track control circuit for optical card recording/reproducing app

Track count estimator for optical storage drives

Track count method for an optical disc in an optical disc...

Track counting device using a PLL