198617 ⎘
Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head; Control of operating function, e.g. switching from recording to reproducing by sensing movement or position of head, e.g. means moving in correspondence with head movements
DATA STORAGE DEVICE WITH SELF-LEARNING OSCILLATION DETECTOR
#2MAGNETIC DISK DEVICE
#3Write timing for RRO field in a constant density servo system
#4Magnetic disk device and sector processing method
#5Write timing for RRO field in a constant density servo system
#6Magnetic disk device
#7Apparatus and method for retracting the magnetic head to a home position after a predetermined time period
#8Closed loop control of tape media positioning within tape drive using position error signal feedback
#9Optical disc for tuple-speed recording and optical disc device for tuple-speed recording
#10Disk drive apparatus, electronic circuit for disk drive apparatus and powering method therefor
#11Settling judgment method for position control device and position control device
#12Optical disk drive capable of detecting anomalies in optical pick-up transfer mechanism
#13Optical disk apparatus
#14Detection system of vinyl record player for detecting end of playback