197855 ⎘
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 into or out of its operative position or across tracks; Track change, selection or acquisition by displacement of the head across disk tracks; Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof Details
Tape recording system and method for reading media having write-append head-positioning based on change in tape lateral dimension
#2MAGNETIC DISK DEVICE AND METHOD
#3Split-actuator drive that coordinates timing of aggressor and victim for effective victim disturbance-feedforward
#4Moveable ramp for data storage device
#5Magnetic disk device and information management method
#6Write transducer with symmetric yoke structure
#7Magnetic disk device and data protection method thereof
#8Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
#9Dual state actuators controlling for magnetic recording device
#10Magnetic disk device having multiple independent moving actuators
#11Actuator assembly having dual sensors for detecting the vibration on magnetic disk device
#12Actuator block having dual sensors for detecting the vibration on magnetic disk drive
#13Magnetic disk device and method
#14Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
#15Actuator assembly having dual sensors for detecting the vibration on magnetic disk device
#16Actuator block having dual sensors for detecting vibration on magnetic disk device
#17Magnetic disk device, controller, and method
#18Soft underlayer having a multilayer structure for high areal density perpendicular recording media
#19Read channel sampling utilizing two quantization modules for increased sample bit width
#20Discontinuous charge/discharge power source for retract application
#21Method and apparatus for determining position of multiple drive heads
#22Offset correction values on a data storage media
#23Deflection reference adjustment for variable track pitch media
#24Continuous mode velocity control of voice coil motor
#25Disk drive and calibration method therefor
#26Enhanced reproduction of optical discs
#27Ferromagnetic tunnel magnetoresistive devices and magnetic head
#28Ferromagnetic tunnel magnetoresistive devices and magnetic head
#29Disk apparatus having a narrow magnetic gap
#30Method for inspecting track pitch in a magnetic disk
#31Method of controlling idle mode of hard disc drive and apparatus therefor
#32Method and apparatus for noise reduction during seeks using signal blending
#33Magnetic pattern forming method, magnetic pattern forming apparatus, magnetic disk, and magnetic recording apparatus
#34Ferromagnetic tunnel magnetoresistive devices and magnetic head
#35Magnetic disk device and method for manufacturing magnetic disk device
#36Varying suspension arm length for magnetic storage device
#37Reducing the effect of actuator cross-coupling in split actuator drives
#38Split-actuator drive that coordinates timing of aggressor and victim for effective victim disturbance-feedforward
#39Data storage device employing staggered servo wedges to increase capacity
#40Magnetic disk device and method for suppressing disturbance component having harmonic
#41Disc locked clock-based servo timing
#42Data storage device employing balanced current drive to unload multiple voice coil motors
#43Data storage device employing smart braking to unload multiple voice coil motors
#44Disk drive servo control using hybrid upsample filter