Disk recording apparatus and disk recording method

Disk recording apparatus for re-establishing a recording mode at

Disk reproducing apparatus and disk type identifying method

Disk reproducing apparatus and method of detecting vibration

Disk reproducing apparatus having a circuit for detecting an abn

Disk reproduction apparatus and tracking servo circuit

Disk tilting compensation with an offset signal to control...

Disk type determining apparatus, optical disk reproducing...

Disk type determining apparatus, optical disk reproducing...

Disk type, determining apparatus, optical disk reproducing appar

Disk, disk device and track center detection method

Disk-shaped recording medium and apparatus for recording and/or

Disklike storage medium and tracking method using the same

Displacement detecting device for optical head

Displacement measurement

Dithered center tracking system

Dithering optical data logger

DRDW differential phase tracking method and apparatus

Drive apparatus for objective lens

Drive apparatus for optical recording medium