197883 ⎘
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Disposition or mounting of heads relative to record carriers with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks; Servo formatting Acquisition or selection of servo format from a system reference
Magnetic disk device
#2Magnetic disk device
#3Recording device, control device, recording method, recording tape cartridge, and data recording and reproducing system
#4Device and method for recording information regarding servo signals
#5Shingled magnetic recording with operational based track spacing
#6Accurate repeatable runout compensation in disk drives during seeks
#7Locking a disk-locked clock using timestamps of successive servo address marks in a spiral servo track
#8Systems and methods for multi-head servo data processing
#9Systems and methods for synchronization hand shaking in a storage device
#10Implementing track following using data characteristics for positional information
#11MAGNETIC DISK DEVICE, MAGNETIC DISK CONTROLLING APPARATUS, AND HEAD POSITION DETERMINING METHOD
#12Multi-zone servo processor
#13Write synchronization in bit patterned media using auxiliary read head
#14Position demodulator and position demodulation method
#15Systems and methods for servo data detection
#16Disk storage device, controller of the same, controlling method performed by the same, and electronic device
#17Patterned media for self-servowriting integrated servo fields
#18Magnetic recording/reproducing using a patterned medium
#19Servo write method and servo write system for hard-disk drive
#20Recovering servo information from a synchronous servo channel
#21Adaptive track shape control during self servo-write
#22Methods of forming and reading servo track and data storage apparatus
#23Method to identify short spirals
#24Method of servo writing, method of compensating phase mismatch of servo pattern and hard disk drive on which the methods are implemented
#25Servo information correcting method
#26MANUFACTURING APPARATUS OF STORAGE UNIT
#27Methods and Apparatus for Low Power Hard Disk Drive Servo Writers
#28Servo track writer clockhead radius jig
#29PATTERNED MAGNETIC RECORDING MEDIUM AND METHOD OF SELF SERVO WRITING ONTO THE SAME
#30Disk drive device and method for determining data track format of the disk drive device
#31Single-pass self-servowriting method and system employing a low sector rate startup procedure
#32Method of writing pattern on magnetic disk and device therefor
#33Self-servo writing using staged patterning
#34Signal reproducing method and storage apparatus
#35Method and system for optimized servo track writing motor current profile to reduce written-in high-frequency repeatable runout track mis-registration
#36Apparatus, system, and method for increasing data storage density in patterned media
#37Method and apparatus for providing positional information on a disk
#38Housing for hard disk drive having structure to reduce flutter of disk
#39Servo track writer and a chuck thereof
#40Magnetic disk apparatus and method