Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
12/2009
12/17/2009US20090310244 Thin-film magnetic head for microwave assist and microwave-assisted magnetic recording method
12/16/2009CN101604535A Method of reclaiming head suspension, method of manufacturing head suspension, and method of reclaiming work
12/16/2009CN101604534A Head, head suspension assembly, and disk device provided with the same
12/16/2009CN101604533A Head, head suspension assembly, and disk device provided with the same
12/16/2009CN100570743C Single wafer magnetic resistance type memory
12/15/2009US7634734 Direct access to media playback
12/15/2009US7633838 Optical recording device capable of recording file management data into another area of an optical disc
12/15/2009US7633721 Disk drive with an actuator latch having fixed, latching, and latch arm portions being a single component
12/15/2009US7633718 Lead contact structure for EMR elements
12/15/2009US7633706 Servowriter contact torque control
12/15/2009US7633704 Regulating tuning rate of adaptive filter coefficients for feed-forward disturbance rejection in a servo control loop
12/15/2009US7633703 Measuring method of flying height and magnetic disk drive apparatus capable of adjusting flying height
12/15/2009US7633702 Method and apparatus for powering voice coil motor retract circuit while braking spindle
12/10/2009WO2009147732A1 Head slider, suspension, and head gimbal assemly assembling method
12/10/2009US20090303845 Optical disc apparatus and reproduction control method
12/09/2009CN101601093A Assembling method and assembling device of carriage assembly
12/08/2009US7630288 Phonograph tone arm mounting, decoupling, vertical tracking angle adjustment system, and vertical guide system
12/08/2009US7630175 Flexible, suspension, and head gimbal assembly with piezoelectric layer units addressable by a voltage
12/08/2009US7630173 Tape head having a support plate with contoured surface
12/08/2009US7630163 Storage device and seek control method
12/08/2009US7630162 Disk drive servoing off of first head while determining fly height for second head
12/08/2009US7630161 Method and apparatus for writing spiral servo pattern in a disk drive
12/03/2009WO2009145750A1 Universal multimedia
12/03/2009US20090296541 Library apparatus and method for delivering storage media in library apparatus
12/03/2009US20090296539 Information Recording Apparatus and Method, Computer Program
12/03/2009US20090296265 Hard-disk drive
12/03/2009US20090296264 Integrated recording head with bidirectional actuation
12/03/2009US20090296263 Information storage apparatus
12/03/2009US20090296262 Flying height control method and circuit
12/03/2009US20090296261 Disk drive and magnetic circuit fixing method for the same
12/03/2009US20090296260 Device and method for specifying control value for controlling clearance between head and disk, and magnetic disk drive device
12/03/2009US20090296259 Automatic gain control for magnetic disk-drive preamplifier
12/03/2009US20090296258 Electromagnetic field detecting element and device using same
12/03/2009US20090296253 Control apparatus, storage device, and system-information storage method
12/03/2009US20090296252 Control apparatus, storage device, and system-information storage method
12/02/2009EP1433177B1 Digital device configuration and method
12/01/2009US7627808 Computer media synchronization player
12/01/2009US7626896 Disk drive and drive unit driving mechanism with disk selector for spacing disk holding members
12/01/2009US7626786 Compact magnetic head slider with reduced bearing surfaces
12/01/2009US7626780 Magnetic disk drive
12/01/2009US7626779 Disk drive in which dynamic fly height of head is adjusted, and method of adjusting the dynamic fly height of the head
12/01/2009US7626355 Portable electronic device and method to protect same
12/01/2009US7624610 Thin plate formation method, thin plate and suspension correction apparatus, and correction method
11/2009
11/26/2009US20090290470 Information recording medium, and recording method and reproducing method thereof
11/26/2009US20090290261 Carriage assembly and disk drive
11/26/2009US20090290251 Hard-disk drive, method of controlling the hard-disk drive, and method of manufacturing the hard-disk drive
11/26/2009US20090290250 Magnetic recording medium, method for production thereof and magnetic recording and reproducing device
11/25/2009CN201352443Y Mobile hard disk with hanging strap
11/25/2009CN101587731A Ramp to park read/write head and hard disk drive including the same
11/25/2009CN101587715A Method for testing performance of magnetic-head sliding block
11/25/2009CN100562506C Aluminum oxide-titanium nitride sintered body, manufacturing method thereof, and magnetic head substrade, ultrasonic motor and dynamic pressure bearing using the same
11/24/2009US7623419 Method and apparatus for measuring off-track detection sensitivity
11/24/2009US7623320 Discrete mounting arm for hard disk drive and method for making the same
11/24/2009US7623317 Magnetic disk device and magnetic recording medium
11/24/2009US7623316 Circuit and method for protecting emergency head-retract capacitor in a hard disk drive
11/24/2009US7623315 Circuits, systems, and methods for capacitive fly height measurement
11/24/2009US7623314 Head control device, storage device, and contact detection method
11/24/2009US7623313 Method and apparatus for performing a self-servo write operation in a disk drive
11/24/2009US7623312 Hard disk drive off track event method and device
11/19/2009WO2009139276A1 Bearing for swing arm and method of manufacturing bearing for swing arm
11/19/2009WO2009139051A1 Fastening method of head gimbal assembly, base plate, and carriage arm
11/19/2009US20090284863 Magnetic recording circuit, magnetic recording device, and information recording method
11/19/2009US20090284862 Head position control method, head position control device, and magnetic recording evaluation apparatus
11/19/2009US20090284861 Dissipation of liquid droplets in a magnetic disk drive
11/17/2009USRE40975 Head suspension with resonance feedback transducer
11/17/2009US7620739 Dynamic system control method
11/17/2009US7619847 Head controller, storage device, and head controlling method
11/17/2009US7619846 Self-servo writing using staged patterning
11/17/2009US7619845 Method and apparatus for controlling disc drive using counter-electromotive force
11/17/2009US7619844 Disk drive comprising a mechanical position sensor to prevent a runaway condition
11/17/2009US7617589 Method of manufacturing slider of thin-film magnetic head
11/12/2009WO2009137469A1 Playlist processing
11/12/2009WO2009136374A2 Head design for writing servo patterns on magnetic tape
11/12/2009US20090279393 Playing data from an optical media drive
11/12/2009US20090279200 Storage device, control circuit for storage device, and servo-write-mode identifying method
11/12/2009US20090279199 Method and apparatus for reducing slider contact probability in a load-unload (LUL) hard disk drive
11/11/2009CN101578660A Head suspension assembly, carriage assembly and method for manufacturing head slider assembly
11/11/2009CN100559496C Magnetic disk drive
11/11/2009CN100559475C Method of manufacturing magnetic head slider
11/11/2009CN100559474C Folded assembly with attached plate in magnetic head, and fabricating method
11/10/2009US7617505 Optical disk device
11/10/2009US7617419 Apparatus and method for managing random-directional scratches on hard disk
11/10/2009US7616529 Recording and reproducing apparatus, recording and reproducing method, and storage medium
11/10/2009US7616407 Disk drive apparatus
11/10/2009US7616405 Slider with an air bearing surface having a inter-cavity dam with OD and ID dam surfaces of different heights
11/10/2009US7616402 Recording disk drive having shroud
11/10/2009US7616397 Disk drive and disk drive control method
11/05/2009WO2009133611A1 Servo pattern writing method, servo pattern writing device, control circuit, and magnetic disk unit
11/05/2009US20090274017 Mixed-signal single-chip integrated system electronics for data storage devices
11/04/2009EP2113917A1 Optical pickup and optical disc apparatus
10/2009
10/29/2009WO2009132084A1 Recognition of video content
10/29/2009WO2009130856A1 Flexible wiring unit and electronic device
10/29/2009US20090268336 Data storage device and adjacent track rewrite processing method
10/29/2009US20090268335 Neutralizing flying height sensitivity of thermal pole-tip protrusion of magnetic slider
10/29/2009US20090268330 Method and apparatus estimating touch-down approach flying height for magnetic head of disk drive
10/29/2009US20090268328 Method of examining storage disk and storage disk examining apparatus
10/28/2009CN101567194A Slider abs design for dynamic flying height
10/28/2009CN100555417C Equipment for sensing timing servo signal and magnetic tape drive
10/27/2009US7610591 Supporting mechanism for optical pickup head
10/27/2009US7610164 System and method of constant power biasing circuit
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