Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
10/2008
10/09/2008US20080247090 Head Holding Member, Disk Device With the Head Holding Member, And Head Holding Method In The Disk Device
10/09/2008US20080247089 Slider designed to reduce fly height sigma
10/09/2008US20080247080 Hard disk drive having improved head stability at low temperature and method of applying current to a head of the hard disk drive
10/09/2008US20080247079 Disk drive and control method thereof
10/09/2008US20080247078 Altitude sensing systems and methods for fly height adjustment
10/09/2008US20080247073 Disk drive apparatus and method of adaptively controlling flying height of magnetic head therein
10/08/2008EP1977422A2 Hard disk drive and stray magnetic field sensor system and associated method
10/08/2008CN101281753A Slider designed to reduce fly height sigma
10/08/2008CN100424766C Track-jump control device and method thereof
10/08/2008CN100424756C Magnetostrictive micro-actuator used for head servo
10/08/2008CN100424754C Method for testing position of magnetic head in hard disk
10/08/2008CN100424751C Disk servo information writing method
10/07/2008US7434056 Watermark-based copy management system and method for digital media copy protection
10/07/2008US7433147 Position control device, disk device, and position control method
10/07/2008US7433145 Magnetic disk apparatus
10/07/2008US7433144 Dynamic system control method
10/02/2008WO2008117465A1 Storage device having ramp mechanism
10/02/2008WO2008117429A1 Magnetic head slider, magnetic recorder/reproducer, and method for manufacturing magnetic head slider
10/02/2008WO2008117390A1 Information processing device and information processing unit
10/02/2008WO2005070188A3 A position and velocity transducer using a phonograph disc and turntable
10/02/2008US20080239888 Music Data Providing System
10/02/2008US20080239887 Jukebox with associated video server
10/02/2008US20080239886 Apparatus, method and computer program for processing information
10/02/2008US20080239576 Suspension for disc drive
10/02/2008US20080239552 Information processing apparatus
10/02/2008US20080239551 Storage device and storage device controller
10/02/2008US20080239550 Head slider, magnetic storage device and control circuit, having cleaning mechanism
10/02/2008US20080239549 Algorithm decoupling altitude effect from temperature/humidity sensor
10/02/2008US20080239548 Multiple sector reassign on write error for disk drive
10/02/2008US20080239547 Disk drive apparatus, electronic circuit for disk drive apparatus and powering method therefor
10/01/2008EP1815464B1 Fixing of components
10/01/2008CN101276598A Head gimbal assembly with low head disk interaction response
10/01/2008CN101276589A Balanced hga for improved seeking performance
10/01/2008CN100423122C Wire support member and rotary disk storage device
10/01/2008CN100423088C Dual-stage actuator disk drive and method for secondary-actuator failure detection and recovery
10/01/2008CN100423087C Flexible wiring board for magnetic head assembly
10/01/2008CN100423086C Retract method to reduce head friction with the disk for a hard disk drive
09/2008
09/30/2008US7430749 Disk conveyance apparatus and support means for supporting conveyance apparatus
09/30/2008US7430154 Removable storage media drive feature enabling self test without presence of removable media
09/30/2008US7430098 Perpendicular magnetic recording head with dynamic flying height heating element
09/30/2008US7430090 Storage apparatus, control method, control device, and program which preheats head
09/30/2008US7430089 Data storage device and write processing method for data storage device
09/30/2008US7430085 Disk device and method of generating signal representing head
09/30/2008US7430083 Virtual head fly profile measurement
09/30/2008US7430082 Circuit and method for demodulating a servo position burst
09/25/2008WO2008116212A1 Methods and apparatus to monitor and control hard-disk drive head position
09/25/2008WO2008114359A1 Disc failure prediction device, disc drive, disc controller, disc failure prediction method
09/25/2008WO2008114345A1 Magnetic head support and magnetic disk device
09/25/2008WO2007035708A3 Sound effects method for masking delay in a digital audio player
09/25/2008US20080231992 Metal oxynitride adhesion/corrosion barrier layer and a diamond-like carbon overcoat
09/25/2008US20080231986 Information recording/reproducing device
09/25/2008US20080231985 Magnetic head having two main magnetic poles, magnetic disk apparatus and magnetic head switching control circuit
09/24/2008EP1973106A1 Ramp in hard disc
09/24/2008EP1972654A1 Process for producing crosslinked fluororubber
09/24/2008CN101271719A Optical picker
09/24/2008CN101271693A Disk drive and preamplifier and flexible printed cable component used thereof
09/24/2008CN100421166C Disk player
09/24/2008CN100421154C Actuator using piezoelectric element and head-positioning mechanism using the actuator
09/23/2008US7428125 Rotating disk storage device and pivot bearing
09/23/2008US7428119 Magnetic disk drive with head retraction control
09/23/2008US7428118 LTM compensation methods and systems for magnetic servo writing
09/23/2008US7428112 Objective lens driving device having damper portions capable of obtaining a moderate damping effect
09/18/2008WO2008112160A1 Quiet high performance seek procedure for disk drives
09/18/2008WO2008111222A1 Assembling method and assembling device of carriage assembly
09/18/2008WO2008111221A1 Method and device for assembling carriage assembly
09/18/2008WO2008111189A1 Recorded data reproducing apparatus and the like
09/18/2008WO2008111176A1 Storage medium driver and printed board unit
09/18/2008US20080225430 Method for specifying control value for controlling clearance adjustment amount between head and disk, disk drive device and manufacturing method thereof
09/18/2008US20080225429 Method of reducing abrasion of disk by using dithering process and disk drive using the same
09/18/2008US20080225428 Storage device, control device, and vibration-detection method
09/18/2008US20080225427 Dynamic flying height design with off-track contact capability at touch down in hard disk drives
09/18/2008US20080225426 Magnetic recording device including a thermal proximity sensor
09/18/2008DE19881389B4 Verfahren zum Abspielen eines Aufzeichnungsträgers A method for playing back a record carrier
09/17/2008EP1970904A1 Method of reducing abrasion of disk by using dithering process and disk drive using the same
09/17/2008EP1714284A4 Removable medium with bookmark
09/17/2008CN101268518A Optical storage system and method for improving reliability thereof
09/17/2008CN101267175A Feed motor lock detection device
09/17/2008CN101266801A Magnetic disc device and head slider
09/17/2008CN100419899C Disk player
09/17/2008CN100419872C Optical read-write head driving device
09/17/2008CN100419858C Slider processing apparatus and auxiliary device for processing slider
09/16/2008US7426090 Storage device, control device, control method, and program
09/16/2008US7426089 Disk drive with heater for slider and control method thereof
09/16/2008US7424774 Method of manufacturing a head actuator assembly and a disk drive
09/12/2008WO2008107974A1 Head slider and method for manufacturing the same
09/11/2008US20080218898 Head control device, storage device, and contact detection method
09/11/2008US20080218895 Systems and/or methods for controlling bias voltages between recording media and read/write heads in disk drive devices
09/10/2008CN101261870A Reworking method for magnetic head components
09/09/2008US7424728 Double-sided recording/reproducing disk drive
09/09/2008US7424200 Information recording apparatus and information recording method
09/09/2008US7423846 Magnetic-head apparatus with microactuator having function of short-circuiting both electrodes of epiezoelectric elements and method of manufacturing the same
09/09/2008US7423845 Recording disk drive with enhanced swinging member
09/09/2008US7423844 Recording disk drive
09/09/2008US7423843 In-contact magnetic head slider with multiple surface levels for creating multiple positive and negative pressure regions
09/09/2008US7423841 Discrete track magnetic recording medium with lift-adjusting surface
09/09/2008US7423833 Servo loop employing correction vector from a secondary disturbance sensor to minimize correlation between servo loop error and disturbance sensor output
09/09/2008US7423832 Controlling head heating based on upcoming data sector write pattern
09/09/2008US7423831 Utilization of the acceleration zone in ammonite servo writing
09/09/2008US7423830 Detecting head/disk contact in a disk drive using a calibration parameter
09/09/2008US7423829 Circuit for flying height on demand
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