Device for correcting audio record's groove eccentricity
Device for correcting tilt aberration in an optical pickup...
Device for determining a centring error of an optical disc relat
Device for identifying optical disc type based on density of...
Device for optically scanning record carriers of different thick
Device for reading an information carrier, including a discrimin
Device for reading digital information recorded on an informatio
Device for reading from and/or writing to optical recording medi
Device for recording an information signal and a related auxilia
Device for recording data in a disturbed environment
Device for recording to an optical disk by using a track descrip
Devices for detecting defects of disc-shaped record media
Diagnosis of an optical disk apparatus using a diagnostic method
Digital audio disc player including apparatus for finding the be
Digital audio synchronous player
Digital damage signature of an optical disc
Digital disk player
Digital display for dictation transcriber for indicating remaini
Direct read after write verify using differential detection
Disc apparatus