Defect detector and information reproduction apparatus...
Defect inspecting apparatus for disc-shaped information recordin
Defect-signal generating circuit and optical disk...
Defective region processing apparatus, defective region...
Defective sector determination device and optical disk drive
Detecting radius of optically writable label side of optical...
Detecting system for detecting rotation angle of deflection...
Detecting track jumps during reading or writing of data on...
Detection method for tilt of optical pickup head
Detection of overusage of spare sectors in an optical disk
Detector input dark current offset calibration in an optical...
Detector input stray light offset calibration in an optical...
Device and method for compensating for tilt
Device and method for controlling tilt servo
Device and method for controlling tilt servo
Device and method for detecting defect signals on an optical...
Device and method for preventing excess current flowing into...
Device and method for recording data on optical recording...
Device and method for recording data to optical disk using...
Device and method for recording information