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
Device for writing and/or reading optical recording medium...
Device using sensor for small rotation angle
Devices for detecting defects of disc-shaped record media
Diagnosis of an optical disk apparatus using a diagnostic method
Digital audio data reproducing system
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
Disc apparatus
Disc apparatus having servo circuits which compensate for fluctu
Disc apparatus with a disc discriminating function
Disc attitude variation detecting apparatus
Disc crack detection method and method of controlling speed...