197862 ⎘
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 system adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
MAGNETIC DISK DEVICE
#2Disk device
#3Suspension for disk device
#4Adaptable servo controllers
#5Information processing apparatus and information processing method
#6Disk device suspension having a load beam provided with a damper member to which an outrigger is attached
#7Disc device with head placement responsive to shock detection
#8Suspension for disk device
#9Suspension for disk device having a damper member for suppressing wobble of a flexure
#10Dual state actuators controlling for magnetic recording device
#11Calibrating elevator actuator for disk drive
#12Method for detecting the tilting of hard disk drive based on first and second control units
#13Actuator assembly having dual sensors for detecting the vibration on magnetic disk device
#14Actuator block having dual sensors for detecting the vibration on magnetic disk drive
#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
#17Apparatus, system, and method for preventing shock-induced hard drive damage
#18Magnetic disk device and method of setting on-track determination number of magnetic disk device
#19Adaptive disturbance rejection using dead zone filter
#20Preventing damage to storage devices within a storage system due to movement of the storage system
#21Vibration mitigation for a data storage device
#22Vibration control in data storage devices
#23Data write management
#24Preventing damage to storage devices within a storage system due to movement of the storage system
#25Vibration cancellation for data storage
#26Disc drive speaker vibration mitigation
#27Control of storage device
#28Protection of a magnetic disk unit on a portable computing device
#29Vibration control in data storage devices
#30Method and system for hard disk drive throughput optimization using position error signaling
#31Preventing damage to storage devices within a storage system due to movement of the storage system
#32Two dimensional magnetic sensor immune to skew angle misalignment
#33Head suspension flexure with integrated strain sensor and sputtered traces
#34Offset reduction for displacement sensor
#35Noise measurement for measured displacement
#36Rotating apparatus with increased inner diameter of bearing hole opening
#37System and method for automatic calibration of notch filter of hard disk drive
#38Implementing track following using data characteristics for positional information
#39Two dimensional magnetic sensor immune to skew angle misalignment
#40Magnetic recording disk drive with three sensors for rotational and linear vibration compensation
#41Magnetic disk device and disturbance compensation method for dual-stage actuator
#42MAGNETIC DISK DRIVE AND METHOD FOR CONTROLLING THE SAME
#43Anti-shock method for head stack assembly
#44Disk drive with write clock frequency compensation for external vibration disturbance
#45Methods and devices for compensating for off-track motion
#46HARD DISK DRIVE SYSTEM WITH OFF TRACK DETECTION MECHANISM AND METHOD OF MANUFACTURE THEREOF
#47Compensation for vibration in a data storage system
#48Adaptive lattice predictive filter
#49Method and device for hard drive shock event detection
#50Determining microactuator failure in a multi-stage tracking system
#51Vibration detection and control of storage device and storage system
#52Magnetic disk drive and method for controlling microactuator in magnetic disk drive
#53Optical unit protection on a thermally-assisted magnetic recording head
#54Hard disk drive availability following transient vibration
#55Directional write retry for shingled disk drive application
#56Rotating apparatus capable of improving the shock resistance
#57Magnetic disk device and head position control method
#58Systems and methods for protecting hard disk drives
#59Rotational vibration test system and method
#60Low frequency booster for RV/shock/friction disturbance rejection
#61Motor driving circuit
#62Seek control method to avoid flex cable resonance during settle in hard disk drive
#63Micropositioning recording head for a magnetic storage device
#64System and method for determining vibration of at least one hard disk drive
#65Disk device
#66Data loss prevention during a fall of a storage device
#67Arm limiting shock movement
#68Monitoring system and method for electronic device
#69Position control method, position control device, and medium storage device having disturbance suppression function
#70Vibration sensor, suspension, head gimbal assembly and manufacturing method thereof, and disk drive unit including the same
#71Method and apparatus for adaptive gain balancing of at least one of two rotational sensors in a hard disk drive
#72Manufacturing method of disk drive device capable of reducing amount of unbalance, disk drive device and subassembly thereof
#73VOLTAGE MEASURING DEVICE AND STORAGE DEVICE
#74Disk drive and method for head servo control of the disk drive
#75Information storage device and computer product
#76Arm mounted shock sensor and flexible circuit routing
#77DISTURBANCE REJECTION IN A SERVO CONTROL LOOP USING PRESSURE-BASED DISC MODE SENSOR
#78Characterizing the performance of a disk drive across a range of vibration frequencies
#79Adaptive Feed Forward Rotational Vibration Compensation During a SEEK Operation
#80STORAGE APPARATUS AND METHOD OF ADJUSTING THE SAME
#81Fall detection device, magnetic disk device, and portable electronic apparatus
#82Magnetic recording disk drive with rotational vibration compensation having adaptive optimization of vibration sensor gains
#83MOTION LIMITING COVER FOR DATA STORAGE DEVICE
#84OPERATIONAL-SHOCK PERFORMANCE IN A DISK DRIVE BY MAINTAINING SERVO SIGNAL
#85Magnetic storage device and contact detection method
#86Position control apparatus and disk apparatus using the same
#87MAGNETIC RECORDING APPARATUS AND METHOD FOR POSITIONING HEAD
#88Information storage apparatus
#89Method and device for hard drive shock event detection
#90Hard-disk drive
#91INFORMATION MEMORY DEVICE
#92Head position control method, head position control device, and magnetic recording evaluation apparatus
#93Method and apparatus for adaptive control and/or use of a vibration sensor in a hard disk drive
#94HEAD SUSPENSION AND DISK DEVICE
#95Regulating tuning rate of adaptive filter coefficients for feed-forward disturbance rejection in a servo control loop
#96Disk drive suspension
#97SENSOR DETACHMENT DETECTION CIRCUIT, SENSOR DETACHMENT DETECTION METHOD, AND INFORMATION STORAGE DEVICE
#98Storage medium driving apparatus and control method thereof
#99Method and apparatus for vibration damping of a suspended media read/write head
#100Apparatus of dynamic anti-vibration for storage device
#101Disk drive device and servo control method thereof
#102Mitigating the effects of disturbances of a disk drive
#103Vibration detection and compensation filter
#104HEAD ACTUATOR ASSEMBLY, DISK DEVICE PROVIDED WITH THE SAME, AND MANUFACTURING METHOD FOR HEAD ACTUATOR ASSEMBLY
#105COMMUNICATION TERMINAL
#106Magnetic disk apparatus
#107MEDIA PLAYER WITH ACCELERATION PROTECTION
#108Magnetic disk drive and control method thereof
#109Storage apparatus, control method, and control device which enable or disable compensation control
#110Minimizing slider vibration effects on a magnetic transducer
#111Hard Disk Drive Protection System Based on Adaptive Thresholding
#112STORAGE APPARATUS AND CONTROL APPARATUS THEREOF, AND HEAD VIBRATION MEASUREMENT METHOD
#113Suspension, head gimbal assembly and/or disk drive unit including outrigger with spring beams, and/or manufacturing method thereof
#114Magnetic disk drive and method of controlling the same
#115Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method
#116SUSPENSION EQUIPPED WITH VIBRATION SENSOR AND MANUFACTURING METHOD THEREOF
#117Head gimbal assembly with low head disk interaction response
#118Storage device, control device, and vibration-detection method
#119DATA RECORDING SLIDER HAVING AN AIR BEARING SURFACE PROVIDING HIGH PRESSURE RELIEF FOR VIBRATION DAMPING
#120Method of and apparatus for detecting actuator vibration in hard disc drive, and hard disc drive write control method of avoiding effect due to read/write head vibration
#121Storage device control apparatus, storage device, and data storage control method
#122METHOD AND APPARATUS FOR SPACING CONTROL IN A DISK DRIVE
#123Disc drive head actuator
#124Resonant frequency separation for an actuator assembly of a disc drive
#125Data recording device
#126Storage apparatus and control method for detecting vibration produced during seeking
#127Disturbance compensation determination apparatus, a related method, a computer-readable medium storing a computer program related to the method, and a disk drive comprising the apparatus
#128Feedforward compensator for induced vibration
#129Detection of HDI in disk drives using read back signal
#130Large shock particle mitigation
#131Position control method, position control device, and medium storage device having disturbance suppression function
#132Magnetic disk drive
#133Disk drive with support structure for air dams and disk-vibration capacitive sensors
#134Disk drive with support structure for damping plates and disk-vibration capacitive sensors
#135Adaptive disturbance repressing method and apparatus, and disk drive apparatus using the same
#136Settling judgment method for position control device and position control device
#137Head position control method, head position control device and disk device
#138Disk drive and disk drive control method
#139Disc drive apparatus
#140Disk drive apparatus and head assembly used for the same
#141Method and apparatus for head gimbal assembly with improved shock performance in hard disk drive
#142Suspension with locally stiffened load beam
#143Head retracting apparatus, storage device, and head retracting method
#144Disk drive system employing effective disk surface stabilization mechanism
#145Hard disk drive, method for controlling FOD voltage thereof, and computer readable recording medium recording the method
#146HARD DISK DRIVE PROTECTION APPARATUS AND METHOD, AND DEVICE HAVING THE SAME
#147Head position control method, head position control device, and disk device
#148Sensor resonant frequency identification and filter tuning
#149Off-track write error recovery
#150Settling judgment method for positioning control device, positioning control device and disk apparatus
#151Disk device, positioning control circuit and information processing apparatus using same
#152Head positioning control method, head positioning control device and disk apparatus
#153Magnetic disk drive
#154Positioning control device and disk device
#155Magnetic disk drive with positioning control system
#156Hard disk protection system
#157Infinite impulse response filter circuit and magnetic disk drive
#158Magnetic head positioning mechanism
#159Off track write protection using filtered position error signal
#160Acceleration feed-forward correction enabled or disabled based on track follow loop signals
#161Portable electronic device
#162Disk drive using a disturbance sensor for disturbance frequency-identification and suppression
#163Signal reproducing method and storage apparatus
#164Portable electronic apparatus containing hard disk drive and power saving control method for use in the apparatus
#165Method and apparatus for head positioning control in a disk drive
#166Hard disk drive
#167Shake responsive portable media player
#168Data storage device
#169Portable communication terminal
#170Storage apparatus, and control method and program
#171Power protection for VCM control loop in hard disk drive servo IC
#172Head stack assembly protecting member and method for installing head stack assembly in hard disk drive using the same
#173Hard disk drive having improved shock resistance
#174Disc drive apparatus
#175Disk drive and control method thereof
#176Random vibration and shock compensator using a disturbance observer
#177Disk drive system employing effective disk surface stabilization mechanism
#178Magnetic disk apparatus
#179Method and apparatus for robust vibration suppression
#180Magnetic recording disk drive with switchable rotational vibration cancellation
#181Anti-shock device for vehicular hard disk drive and assembly method thereof
#182Method and apparatus for suppressing resonance of hard disk drive using notch filter
#183Method and apparatus for adaptive control of a disk drive in the presence of non-linear magnetic bias
#184Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same
#185Disc drive apparatus
#186Tuned damper for disk drive actuator arm
#187Head position control method, head position control device, and disk device
#188Method and apparatus compensating disturbance in state control device
#189Music playback apparatus and processing control method
#190Magnetic disk drive and recording method
#191Method and apparatus for controlling disc drive using counter-electromotive force
#192Electronic apparatus and data processing method
#193Storage apparatus, control method and program
#194Controlling hard disk drive based on portable terminal movements
#195Shock-resistant magnetic storage medium for a portable electronic device
#196Method and apparatus for controlling disc drive using counter-electromotive force
#197Data storage device with shock sensor mounted on circuit board and provided adjacent shield and disc assembly protrusions
#198Data storage apparatus and control method thereof with compensation
#199Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same
#200Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method
#201Data storage device and data storage device control method
#202Fault diagnosis apparatus, recording medium recording fault diagnosis program and fault diagnosis method
#203Magnetic disk drive manufacturing method, test/adjustment apparatus, and transport container
#204Method and apparatus for detecting shock-resistance performance
#205Device for operating a hard disk drive of a mobile communication terminal during impact and a method thereof
#206Hard drive protection override
#207Recording/reproducing apparatus including disk recording medium and method of protecting disk recording medium
#208Method and disc reading device for detecting unbalanced disc
#209Shock resistant, high reliability rotating magnetic storage device and method
#210Vibration suppression for servo control
#211Disc drive apparatus
#212Disk drive with support structure for disk-vibration capacitive sensors
#213Protection device and method of a read and write medium apparatus
#214Self-sensing active-damping voice coil
#215Pressure equalizing fluid flow stripper apparatus
#216Method of protecting hard disk drive from shocks and hard disk drive therefor
#217Base plate and hard disk drive provided therewith
#218Micro-actuator, head gimbal assembly, disk drive unit and manufacturing method thereof
#219Windage plate with snubber member to limit mechanical deflection
#220Method and system for time-shift based rotational vibration sensing in disk drives
#221Method of and apparatus for detecting actuator vibration in hard disc drive, and hard disc drive write control method of avoiding effect due to read/write head vibration
#222Method and apparatus for reducing vibration in a dynamic system
#223Magnetic disk apparatus
#224Recording disk drive having shroud
#225Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the same
#226Information recording apparatus and data writing control device therefor
#227Information processing equipment and data transfer method
#228Magnetic head actuator and magnetic disk device having damper material attached to actuator arm
#229Systems for tighter thresholds in rotatable storage media
#230Methods for tighter thresholds in rotatable storage media
#231Method of measuring compensation value for short track seeking in hard disc drive and method of compensating for bias using the same
#232Magnetic head positioning mechanism with longitudinal piezo-electric elements
#233Automatic adjustment of magnetic disk protection apparatus and method according to environment
#234Method and apparatus for limiting shock damage to hard disk drive during operation
#235Magnetic hard disk drive
#236Magnetic disk device and method of compensating for harmonic corresponding to harmonic disturbance
#237Vibration sensor feedforward control for magnetic storage device
#238Calibrating elevator actuator for disk drive
#239Data storage device pre-biasing a spin torque oscillator prior to a write operation
#240Data storage device configuring a write inhibit shock threshold for multiple actuators
#241Data storage device employing delayed braking to unload multiple voice coil motors
#242Magnetic disk device, controller, and seeking method
#243Adaptive attenuation for disturbance compensation
#244Feedforward compensation for multi-actuator hard drives
#245Data storage device filtering sensor signal to optimize shock and thermal pop detection
#246Data storage device employing spindle motor driving profile during seek to improve power performance
#247Sloping transition on a ramp of a hard disk drive
#248Magnetic head separator connected to a ramp
#249Method and system to monitor magnetic head loading and unloading stability for a data storage system
#250Computer system and controlling method for hard disk