Disc drive

Disc drive apparatus

Disc eccentricity measuring apparatus and method thereof and...

Disc identifying method and device

Disc memory apparatus

Disc playback apparatus

Disc player and focus search control method

Disc player and method of reproducing the same

Disc player having pick-up tilt servo system combined with disc

Disc player servo device

Disc player using a servo loop with a variable transfer function

Disc player with manual search function

Disc players for reproducing an information signal from a rotati

Disc reader with obliquity correction

Disc recording and/or reproducing apparatus

Disc recording apparatus for recording a signal without losing t

Disc recording/reproducing apparatus which uses stored eccentric

Disc reproducing system

Disc reproducing system for compensating mechanical imperfection

Disc reproducing system for compensating mechanical imperfection