199043 ⎘
Head arrangements not specific to the method of recording or reproducing; Driving or moving of heads Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
Sub-classes:METHOD OF OPERATING HARD DISK DRIVES, CORRESPONDING CONTROL CIRCUIT, HARD DISK DRIVE AND PROCESSING DEVICE
#2METHOD OF OPERATING HARD DISK DRIVE, CORRESPONDING CONTROL CIRCUIT, HARD DISK DRIVE AND PROCESSING DEVICE
#3RAMP SUPPORT FOR A MAGNETIC STORAGE DEVICE
#4Head Gimbal Assembly Height Determination with Charge-to-Voltage Converter
#5HARD DISK DRIVES WITH PIEZOELECTRIC ULTRASONIC MOTOR
#6RAMP SUPPORT FOR A MAGNETIC STORAGE DEVICE
#7SINGLE ARM STEPPER ELEVATION SYSTEM
#8Method of operating hard disk drives, corresponding control circuit, hard disk drive and processing device
#9Load/unload ramp for high-capacity hard disk drive
#10Transitional Load Beam Rail For Hard Disk Drive Suspensions
#11Disk device with ramps
#12Zero skew elevator system
#13Disk device and method of manufacturing disk device
#14ZERO SKEW ELEVATOR SYSTEM
#15Disk device
#16Moveable ramp for data storage device
#17Retractable ramp for data storage devices
#18Load/unload ramps with channels
#19Disc device with head placement responsive to shock detection
#20Suspension assembly with limiter and disk drive
#21Managing unexpected shutdown in a disk drive with multiple actuators and controllers
#22Vertically translating load/unload ramp mechanism for cold storage data storage device
#23Vertically translating load/unload ramp mechanism for cold storage data storage device
#24Information processing apparatus, control method thereof and storage medium
#25Methods of measuring friction between a slider and ramp, and related systems
#26Control device, magnetic disk control system, and control method for controlling disk storage device
#27Data storage device optimizing spindle motor power when transitioning into a power failure mode
#28Semiconductor integrated circuit and operating method for the same
#29Magnetic head including two contact sensors
#30Methods and devices for head-media contact detection
#31Write current and fly height adjustment for compensating media coercivity variation
#32Air bearing surface having temperature/humidity compensation feature
#33Magnetic head providing write protrusion suppression and methods of formation thereof
#34Disk drive calibrating dynamic fly height write profile for fly height actuator
#35Back electromotive force monitoring circuit, motor drive device, magnetic disk storage device, and electronic appliance
#36Tape head with thermal tape-head distance sensor
#37High sample rate dPES to improve contact detection signal to noise ratio
#38Head to media proximity detection
#39Return control circuitry for VCM
#40Error recovery based on applying current/voltage to a heating element of a magnetic head
#41Media topography driven flying height modulation sensing using embedded contact sensor
#42Thermoelectric voltage-based differential contact sensor
#43Motor drive device, magnetic disk storage device, and electronic apparatus
#44Circuitry for controlling a voice coil motor
#45Fly height extraction system
#46Error recovery based on applying current/voltage to a heating element of a magnetic head
#47MAGNETIC DISK DEVICE AND CONTROLLING METHOD OF HEAD
#48STOPPER FOR MAGNETIC HEAD
#49Information processing apparatus, protection method and medium storing protection program
#50RAMP-UNLOADING SEEK CONTROL DEVICE FOR MAGNETIC DISK DRIVE
#51Management apparatus of a rotating motor and an annexed load during power loss
#52Command suspension in response, at least in part, to detected acceleration and/or orientation change
#53Pulse power during a shut down in a hard disk drive
#54MAGNETIC DISK APPARATUS AND SLIDER CONTROL METHOD
#55Hard disk drive, method for estimating back electromotive force, and method for controlling velocity of head
#56Sensing device with arm actuating in seesaw approach
#57Information processing apparatus and head evacuation processing method therefor
#58HARD DISK CONTROL MODULE, APPARATUSES HAVING THE SAME, AND METHOD OF CONTROLLING UNLOAD STANDBY TIME THEREOF
#59ELECTRONIC DEVICE
#60Optical recording/reproducing device and method of controlling the same
#61METHOD OF UNLOADING TRANSDUCER IN DATA STORAGE DEVICE AND DISK DRIVE AND STORAGE MEDIUM USING THE METHOD
#62Real time monitoring inconsistent operations in a hard disk drive
#63Control system and method for loading actuator arm of rotating storage device
#64Electronic apparatus and electronic apparatus control method
#65Motor driving circuit
#66COMMUNICATION DEVICE AND STORAGE DEVICE PROTOCOL
#67Contact type thin film magnetic head with heater for distance control
#68Disk drive configured to calculate head rebound distance
#69Reaction control charge pump, capacitor, and transistor to power lead
#70HDD with VCM back EMF and voltage control circuitry
#71Data loss prevention during a fall of a storage device
#72Data loss prevention during a fall of a storage device
#73Head radial positioning over contact-start-stop zone during spin-up/spin-down of disk
#74PORTABLE APPARATUS HAVING ELECTRONIC CONTROL SYSTEM AND CONTROL METHOD THEREOF
#75Silent retract of heads in a hard disk drive
#76Breakage Prevention Structure of Ramp
#77Closed loop calibration of back EMF measurement
#78Fall detection device, magnetic disk drive, and portable electronic apparatus
#79Management of disk drive during power loss
#80Disc device
#81Quiet retraction system
#82Method of determining the gain of a BEMF amplifier and relative control circuit of an induction electric motor
#83Head actuator velocity control for electrical power off in a disk drive
#84Method for unloading head without calibration in hard disk drives
#85Fall detection device, magnetic disk device, and portable electronic apparatus
#86Disk-Drive Read/Write Head Retraction Velocity Control
#87System including a hard disk drive and stray magnetic field sensor and associated method
#88Command suspension in response, at least in part, to detected acceleration and/or orientation change
#89System and method of current shaping control for retract
#90Low Power Disk-Drive Motor Driver
#91Foldable portable electronic device and system and method for protecting hard disk
#92Method and device for identifying the free fall
#93Adaptive synchronous rectification of brushless DC motor back-EMF
#94Disk drive in which the dynamic flying height of head is adjusted
#95Method and apparatus for reducing slider contact probability in a load-unload (LUL) hard disk drive
#96Disk drive device and control method of unloading corresponding to fall detection in disk drive device
#97Hard disk drive adapted to detect free-fall and perform emergency parking of read/write head prior to impact
#98Tool for loading a head onto a disk of a hard disk drive
#99Servo writer with retract capacitor for generating a VCM driving current during a power failure
#100Glass substrate for magnetic disk apparatus
#101Disk device employing a CSS system head supporting unit
#102Hard disk drive protection system and method
#103Hard disk drive with power saving feature
#104Disk drive device and method for removing adhesion on a head
#105Magnetic disk drive with head retraction control
#106Fall detection apparatus
#107Impact protection for a retractable control object
#108Method and apparatus for dynamically adjusting the ramp speed for loading and/or unloading sliders in a hard disk drive
#109MAGNETIC DISK APPARATUS
#110DISK DRIVE INSTALLED IN PORTABLE ELECTRONIC DEVICE, AND METHOD OF UNLOADING A HEAD WHEN THE ELECTRONIC DEVICE FALLS
#111Outer actuator arm constrained layer dampers
#112Enhancement of the efficiency of energy recovery during spindle motor step-up phases for parking the R/W head of a disk storage device upon external supply failure
#113Ramp in Hard Disc
#114Controller, storage apparatus and control method
#115Detecting head-disk contact during off-track operations
#116STORAGE DEVICE
#117Optical Storage System Method for Improving Reliability Thereof
#118Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method
#119Head holding member, disk device with the head holding member, and head holding method in the disk, device
#120Method of reducing abrasion of disk by using dithering process and disk drive using the same
#121Disk drive device and ramp used therefor
#122Control system and method for loading actuator arm of rotating storage device
#123EMERGENCY UNLOAD VERIFICATION DEVICE AND STORAGE APPARATUS
#124Method and apparatus for detecting free fall
#125Disk drive and method of retracting head thereof
#126Information processing apparatus
#127System including a hard disk drive and stray magnetic field sensor and associated method
#128Hard disk drive protection system and method
#129Magnetic head, method of manufacturing magnetic head, and magnetic disc device
#130Method and apparatus for pitch angle actuation of slider based upon pressure and humidity conditions in a contact start-stop CSS
#131ACTUATOR LOCKING SYSTEM OF HARD DISK DRIVE AND METHOD OF LOCKING ACTUATOR USING THE SAME
#132Recording method, unload method, and magnetic disk
#133Halt state for protection of hard disk drives in a mobile computing environment
#134Method and apparatus for Contact Start-Stop hard disk drive actuator control during power cycles for improved reliability
#135HDD write control method and apparatus
#136Apparatus and method for bending a slider to create rounded corners on its trailing edge in a hard disk drive
#137Storage device with a power-off protective reflex function
#138Storage device, head returning method, and head returning apparatus
#139Control apparatus, storage device, and head retraction controlling method
#140Control apparatus, storage device, and head retracting method
#141Ramp-position detecting device, ramp-position detecting method, and storage device
#142Storage device, continuous-vibration detecting method, and control apparatus
#143Disk drive system employing effective disk surface stabilization mechanism
#144Low-power pulse-width-modulated retract of disk drive actuator
#145Programmable constant voltage retract of disk drive actuator
#146Control apparatus, storage device, and head retracting method
#147Current pulsing for unloading
#148Charge remover for magnetic disk
#149Magnetic disk drive and a loading/unloading method
#150Ramp made of polyoxymethylene resin
#151Magnetic head, method of manufacturing the magnetic head, and magnetic disk device
#152Hard disk drive protection system and method
#153HARD DISK DRIVE PROTECTION APPARATUS AND METHOD, AND DEVICE HAVING THE SAME
#154Disk drive and calibration method for the same
#155Disk-synchronized loading/unloading of magnetic head
#156Fall detection device
#157Free fall detector device and free fall detection method
#158Load/unload ramp for an actuator assembly in a data storage device
#159Disk drive with adaptive actuator braking upon unexpected power loss
#160Information processing apparatus having built-in hard disk drive and head retraction processing method of built-in hard disk drive
#161Apparatus, system, and method for selectivity protecting a motion sensitive component in a computerized device
#162Electronic Drop Protection System of External Hard-Disk Box
#163Hard disk drive with external sensor interface, system for use thereof and method
#164Portable electronic apparatus containing hard disk drive and power saving control method for use in the apparatus
#165Method for loading single head in a hard disk drive
#166Method and apparatus for driving VCM unloading HDD head
#167Storage device, control method thereof and program
#168Portable communication terminal
#169Electronic apparatus and electronic apparatus control method
#170Contact type thin film magnetic head with heaters for distance control
#171Hard disk drive adapted to detect free-fall and perform emergency parking of read/write head prior to impact
#172Retracting method of hard disk drive, hard disk drive adopting the method, and recording medium storing program for executing the method
#173Power protection for VCM control loop in hard disk drive servo IC
#174Magnetic disk drive with head retraction control
#175Load/unload systems and methods for maximizing disk writeable area
#176Data storage device with load/unload tab inclined towards a disk
#177Servowriter ramp detection
#178Disk driving apparatus with engagement member to deter head from falling to disk
#179Information processor and image generator for stopping rotation of a magnetic disk in response to an abnormal state
#180Information processing apparatus, imaging apparatus, information processing method, and computer program
#181Storage device
#182Optical disc device
#183Disk drive system employing effective disk surface stabilization mechanism
#184Hard disk drive, method for parking magnetic head of hard disk drive, and computer readable recording medium recording the method
#185Operating device, position-switching device, and magneto-optical recording/reproducing apparatus
#186Information recording apparatus, information recording method and computer program
#187Spring member for acceleration sensor, acceleration sensor and magnetic disk drive apparatus
#188METHOD FOR DETERMINING A DRIVING FORCE TO DRIVE AN OPTICAL PICKUP HEAD
#189Disk drive device, electronic apparatus and disk control method
#190PORTABLE ELECTRONIC DEVICE CAPABLE OF PERFORMING A FUNCTION ACCORDING TO A SENSING RESULT OF PRESSURE
#191Method of controlling an actuator, and disk apparatus using the same method
#192Load/unload mechanism for magnetic disk drive
#193Accelerometer-based differential free fall detection system, apparatus, and method and disk drive protection mechanism employing same
#194Method and apparatus for controlling disc drive using counter-electromotive force
#195Ramp unload in disc drives
#196Electronic apparatus and data processing method
#197Recording disk cartridge and disk drive
#198Shock-resistant magnetic storage medium for a portable electronic device
#199Magnetic disk drive and magnetic disk drive control
#200System for parking a drive in a video recorder
#201Velocity control system for an actuator assembly
#202Method for retracting head upon interruption of power, and disk drive employing the method
#203Load/unload system and method for maximizing disk writeable area
#204Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method
#205Method for eliminating the need for a dedicated landing zone at the outer diameter of a storage system's platter
#206Data reliability improvement at low temperature
#207Storage device and its control method and manufacturing method
#208Shock resistant, high reliability rotating magnetic storage device and method
#209Falling sensor and the information processing device making use of it
#210Load/unload system and method for maximizing disk writeable area
#211Velocity controlled disk drive head retraction with reduced audible noise
#212Velocity controlled disk drive head retraction after power loss
#213Disk drive capable of restricting unexpected movement of a head suspension using a latch member to restrict movement of the suspension and elasticity of the suspension to enable a head load tab to move down a ramp inclined surface
#214Apparatus, medium, and method for protecting a storage medium in a portable device
#215Method of protecting hard disk drive from shocks and hard disk drive therefor
#216Low cost emergency disk drive head retract architecture
#217Magnetic disk apparatus and position control method for magnetic head slider thereof
#218Method of controlling idle mode of hard disc drive and apparatus therefor
#219Diskarray system for suppressing disk fault
#220Disk drive having control circuit board mounted outside casing and head actuator coupled capacitor mounted inside casing on printed circuit board
#221Disk drive for quickly retracting head to retract area, and emergency head-unload control circuit for use in the disk drive
#222Method and apparatus for detecting free fall
#223Recording disk drive
#224Separator plate with head load/unload
#225Magnetic disk apparatus and information processing apparatus
#226Recording disk drive and ramp member therefor
#227Method for controlling movement of head in data storage device and disk drive employing the method
#228System for controlling the speed of a voice coil motor (VCM) in order to provide a low noise ramp loading of a hard disk head
#229Fly height extraction system
#230Method for loading single head in a hard disk drive
#231Method, apparatus and program storage device for magnetic disk drive protection
#232Method and apparatus for head control, and disk-drive apparatus
#233Apparatus and method for controlling head unload operation in disk drive
#234Using eddy-currents for releasing actuator suspension assembly of rotary disk storage device
#235Apparatus and method for unlatching a head within a data storage device
#236Apparatus and method for controlling head unload operation in disk drive
#237Configurable multi-mode architecture for power loss retraction of the read/write head of a hard disk drive
#238Fall detection method and system
#239Bi staple flying height detection by BEMF control profile and data integrity problem protection
#240Ramp made of polyoxymethylene resin
#241Shock protection cushioning apparatus for protecting a hard disk drive from a shock by utilizing a zero-gravity sensor
#242Data storage device and actuator control method
#243Using a mechanical stop for determining an operating parameter of a data handling device
#244Retract method to reduce head friction with the disk for a hard disk drive
#245Method and apparatus for dynamically establishing pitch static attitude in hard disk drive
#246Apparatus and method for controlling head loading in disk drive
#247Disk drive including an auxiliary pulse width modulation (PWM) control circuit and related methods
#248Method and apparatus for dynamically establishing roll static attitude in hard disk drive
#249Rotating disk storage device with a retracting actuator head suspension assembly
#250Magnetic disk apparatus and position control method for magnetic head slider thereof
#251Ramp loading unit including means for reducing powder collected on head support part, and disk drive including same
#252Ramp for hard disc
#253Dual speed control to reduce audible noise and protect head during unload in ramp load drives with pawl latch
#254Head velocity derating for data storage devices including disk media
#255Zero skew elevator system
#256Drive controller-override mechanism
#257Data storage device employing dynamic track trajectories
#258Data storage device detecting lasing threshold of laser by measuring protrusion effect
#259Data storage device detecting minimum stable fly height of a head over a disk
#260Correction value calculating method, manufacturing method of disk drive, and disk drive
#261Method of testing a head for contamination
#262Estimating narrow, laser-induced protrusion at a near-field transducer
#263Disk drive compensating for non-linearity of a head based on a fly height of the head
#264Capacitive clearance detection for a magnetic head
#265Shock protection for electro-mechanical devices of host devices employing inertial navigation systems