Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
10/2007
10/23/2007US7286327 Actuator latch mechanism for hard disk drive
10/23/2007US7286326 Magnetic head with air bearing surface protection film
10/23/2007US7286316 Method and data storage device for writing patterns onto recording disk
10/23/2007US7286315 Method to detect the touch down of the flying head on disk
10/23/2007US7286314 Disk drive with localized clearance and contact potential measurement capability
10/18/2007WO2007116569A1 Spindle stage for testing magnetic head with vcm mechanism and automatic magnetic head mounting/demounting device
10/18/2007US20070242570 Alarm information display unit
10/18/2007US20070242387 Positioning control circuit, measurement apparatus for trace information and related method
10/18/2007US20070242386 Controlling a write inhibit threshold based on vibration
10/17/2007EP1127352B1 Apparatus for developing a dynamic servo signal from data in a magnetic disc drive and method
10/17/2007CN200962316Y Rotating magnetic head component and magnetic disk driver
10/17/2007CN100343912C Structure for preventing gear slippage in optical disk drive
10/17/2007CN100343904C Disk drive using magnetic disk medium of discrete track recording
10/16/2007US7283430 Systems and methods for overriding an ejection lock
10/16/2007US7283332 Suspension with improved gimbal
10/16/2007US7283329 Head shock resistance and head load/unload protection for reducing disk errors and defects, and enhancing data integrity of disk drives
10/16/2007US7283328 Includes inductive write head element and read magnetic head element, capable of controlling a spacing between a magnetic recording medium and magnetic read head element by heating
10/16/2007US7283327 Magnetic write head having resistive heater coil
10/16/2007US7283319 Ensuring rate of spin-up/spin-down cycles for spindle motor in a hard disk drive does not exceed rate spindle motor is designed to handle
10/16/2007US7283318 Position sensor
10/11/2007WO2007081799A3 Hard disk drive and stray magnetic field sensor system and associated method
10/11/2007US20070236821 Detecting head/disk contact in a disk drive using a calibration parameter
10/11/2007US20070236820 Apparatus, system, and method for writing magnetically encoded data to discrete lands
10/10/2007EP1843330A1 Positioning control device and disk device
10/10/2007EP1843328A2 Settling judgment method for positioning control device and positioning control device
10/10/2007CN200959220Y Rack of DVD optical driver with deformation-protecting function
10/10/2007CN101051511A Micro ectuator, micro ectuator suspension arm part and magnetic head folding sheet combination
10/10/2007CN101051467A Apparatus, system, and method for writing magnetically encoded data to discrete lands
10/10/2007CN100342428C Head suspension assembly for slider tester
10/09/2007US7280448 Positioning control device and positioning control method
10/09/2007US7280309 Access performance adjusting method and storage apparatus
10/09/2007US7280308 Motor drive semiconductor integrated circuit and magnetic disk storage apparatus
10/09/2007US7280307 Track following servo actuator offset calibration for tape drive
10/09/2007US7280306 Servo track write at low pressure using pressure insensitive air bearing surface
10/09/2007US7280305 Method and apparatus for estimating and controlling the flying height of a read-write head in a hard disk drive
10/09/2007US7280304 Method and circuit for compensating slow-varying runout of disk storage system
10/09/2007US7280303 Data storage method and apparatus to detect if WORM data has been tampered with
10/09/2007US7280294 Tri-state servowriter driver with slow return to zero
10/04/2007WO2007110957A1 Magnetic disk drive
10/04/2007US20070230963 Remote Control For Combination Compact Disc Recorder And Player System
10/04/2007US20070230291 Optical disk magazine and optical disk recording/reproducing system
10/04/2007US20070230290 Random play system and method
10/04/2007US20070230060 Thin film piezoelectric micro-actuator for head gimbal assembly
10/04/2007US20070230057 Magnetic head supporting mechanism
10/04/2007US20070230034 Magnetic spacing control method for magnetic head, read/write circuit, and magnetic disk device using same
10/04/2007US20070230026 Offset measurement method for magnetic recording head and magnetic recording/reproducing device
10/04/2007US20070230021 Flying height control for read-to-write and write-to-read transitions
10/04/2007US20070230020 Controlling head flying height based on head heater resistance
10/04/2007US20070230019 Apparatus and method to control flying height of magnetic head in retry mode and disk drive using the same
10/04/2007US20070230018 Actuation efficiency based contact detection
10/04/2007US20070230017 Fly height compensation using temperature
10/04/2007US20070230016 Magnetic recording device, magnetic recording medium, and servo information recording method
10/04/2007US20070230015 Storage device, control method, control device, and program
10/04/2007US20070230014 Storage device, control device, control method, and program
10/04/2007US20070230013 Head flying height measuring apparatus in magnetic storage device
10/04/2007US20070230012 Compensating the effects of static head-media spacing variations and nonlinear transition shift in heat assisted magnetic recording
10/04/2007US20070230011 Apparatus and method of monitoring hard disk drive
10/04/2007US20070230003 Information storage systems
10/04/2007US20070230002 Fly height calibration for read/write heads
10/03/2007EP1840881A2 Settling judgment method for positioning control device, positioning control device and disk apparatus
10/03/2007CN101047015A Disk drive and head assembly used in the same
10/03/2007CN101047014A Stabilization judgment method for positioning control device and positioning control device
10/03/2007CN101047013A Head positioning control method, head positioning control device and disk apparatus
10/03/2007CN101047012A Disk device, positioning control circuit and information processing apparatus using same
10/03/2007CN101047011A Stabilization judgment method for positioning control device, positioning control device and disk apparatus
10/03/2007CN101046992A Suspension CDROM on-line regulating method and equipment
10/03/2007CN101046977A Magnetic head slider, magnetic supporting device and disc device
10/03/2007CN101046975A Disk driver system and its control method
10/03/2007CN101046974A Head inspection apparatus and method thereof
10/03/2007CN101046971A Magnetic head slider, magnetic head support mechanism, and method of manufacturing magnetic head
10/03/2007CN101046966A Magnetic head flying height measuring apparatus in magnetic storage device
10/03/2007CN100341069C High-speed dynamic braking system of optical disk
10/03/2007CN100341068C Optical reading head sampling interface system
10/03/2007CN100341049C Method for manufacturing precise positioning actuator
10/02/2007US7277842 Overscan helical scan head for non-tracking tape subsystems reading at up to 1X speed and methods for simulation of same
10/02/2007US7277368 Playback method, playback control circuit and playback apparatus for a recording medium
10/02/2007US7277259 Magnetic head actuator including piezoelectric elements fixed to the arms of a fired glass-ceramic substrate
10/02/2007US7277258 Dual-stage actuator disk drive with optimal location of the movable portion of the secondary actuator
10/02/2007US7277257 Transducer-level microactuator for a magnetic recording system
10/02/2007US7277256 Actuator and hard disk drive employing the same
10/02/2007US7277255 Head slider with positive dynamic pressure generating section
10/02/2007US7277253 Storage device
10/02/2007US7277252 Method of feedback control for active damping of slider air bearing vibrations in a hard disk drive slider
10/02/2007US7277251 Data reliability improvement at low temperature
10/02/2007US7277250 Track zero determination method used in data storage system and disk drive using the same
10/02/2007US7277249 Method of and apparatus for head position control
10/02/2007US7277248 Recording medium and apparatus for protecting copyrighted digital data
10/02/2007US7275302 Method of forming a disc pack
09/2007
09/27/2007US20070225947 Fall detection device
09/27/2007US20070223146 Rotational PZT micro-actuator, head gimbal assembly, and disk drive unit with same
09/27/2007US20070223144 Suspension with strengthening plate, head gimbal assembly, and disk drive unit with the same
09/27/2007US20070223143 Suspension, and head gimbal assembly and disk drive using the same
09/27/2007US20070223136 Micro actuator gain calibration based on a sinusoidal input signal
09/27/2007US20070223132 Information recording apparatus
09/27/2007US20070223131 Method and apparatus for writing servo information in a disk drive
09/27/2007US20070223130 Circuit for flying height on demand
09/27/2007US20070223125 Servo writer, signal output control method and manufacturing method of magnetic tape using the signal output control method
09/27/2007US20070223123 Portable device with freefall detection or audio processing subsystem and freefall detection or audio processing method
09/26/2007CN200953242Y Flexible cable connecting structure for hard disc
09/26/2007CN200953240Y Magnetic head loading and unloading device
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