| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 04/15/2004 | US20040070882 Suspension, head gimbal assembly, head arm assembly with the head gimbal assembly and disk drive device with the head arm assembly |
| 04/15/2004 | US20040068860 Method of manufacturing head suspension for disk drive |
| 04/15/2004 | US20040068859 Head suspension for disk drive, and semi-finished suspension |
| 04/15/2004 | DE19846166B4 Magnetkopf-Vorrichtung A magnetic head device |
| 04/15/2004 | DE10197215T5 Multiphasenbeschleunigung einer Datenspeicherplatte Multi-phase acceleration a data storage disk |
| 04/15/2004 | DE10196825T5 Schaltung für Self-Writing-Servo- und -Taktfelder auf einem Plattenlaufwerk Circuit for self-writing servo and -Taktfelder on a disk drive |
| 04/14/2004 | EP1408496A2 Off-track data read retry method for hard disk drive |
| 04/14/2004 | EP1407450A1 Write control method |
| 04/14/2004 | EP0846323A4 Velocity control for a disk drive actuator |
| 04/14/2004 | CN1489136A High-performance shock limitor of magnetic-head universal cardan joint |
| 04/14/2004 | CN1145960C Disk driver system |
| 04/14/2004 | CN1145958C Tracking device with coil driven actuator and sensor coil to determine position of actuator |
| 04/14/2004 | CN1145957C Read/write head, read/write head positioning mechanism and read/write system |
| 04/14/2004 | CN1145945C Audio-visual device and system thereof |
| 04/14/2004 | CN1145940C Imformation recording/reproducing unit |
| 04/14/2004 | CN1145933C Supporting mechanism and system for recording/reproducing head |
| 04/13/2004 | US6721844 Data storage unit and method for starting data storage unit |
| 04/13/2004 | US6721247 Disk apparatus and track following control method |
| 04/13/2004 | US6721243 Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error |
| 04/13/2004 | US6721239 Optical disc device |
| 04/13/2004 | US6721136 Piezoelectric actuator and information storage apparatus |
| 04/13/2004 | US6721134 Ramp design for dynamic load |
| 04/13/2004 | US6721133 Suspension with separate hinge member for disc drive |
| 04/13/2004 | US6721127 Electronic device for driving an actuator device for a hard disk and for driving a motor that turns the hard disk |
| 04/13/2004 | US6721126 Position identification for a coarse actuator portion of a compound actuator |
| 04/13/2004 | US6721122 Disk drive unit and control method for same |
| 04/13/2004 | US6721119 System and method for controlling an actuator motor during retract |
| 04/08/2004 | US20040066585 Dual stage suspension with PZT actuators |
| 04/08/2004 | US20040066582 Low cost head gimbal assembly |
| 04/08/2004 | US20040066581 Head slider and method of manufacturing same |
| 04/08/2004 | US20040066580 Method and apparatus for head slider and suspension reducing air flow turbulence around the head when accessing a rotating disk in a disk drive |
| 04/07/2004 | EP1405305A2 Avoiding write to read interference during self-servowriting |
| 04/07/2004 | CN1488138A Integrated electrostatic slider fly height control |
| 04/07/2004 | CN1487522A Thin plate forming method, correcting apparatus for thin plate and over beam and correcting method thereof |
| 04/07/2004 | CN1487519A Servo track writing in equipment and method thereof |
| 04/07/2004 | CN1487517A Magnetic disk machine |
| 04/07/2004 | CN1487504A Sensor for magnetic disc driving advice based on rotary vibrating speed |
| 04/07/2004 | CN1487503A Method and system for vibrating compensation basedon rotary speed calculation magnetic disc driving device |
| 04/07/2004 | CN1487502A Sagnetic head universal-joint assembly with low-cost |
| 04/07/2004 | CN1145153C CD machine carrier controlling system and method thereof |
| 04/07/2004 | CN1145152C Moving position detector of mobile parts and disk apparatus using the same |
| 04/07/2004 | CN1145149C Method for moving control magnetic head in magnetic disc driver equipment and servo circuit |
| 04/07/2004 | CN1145147C Suspension system, magnetic disc driver, magnetic head/universal joint assembly and flexiable parts |
| 04/06/2004 | US6717776 Adjustable fly height control using an adjustable head actuator assembly |
| 04/06/2004 | US6717775 Integrated latch/voice-coil-motor magnet assembly |
| 04/06/2004 | US6717774 Information recording and reproducing apparatus with an air force latch mechanism |
| 04/06/2004 | US6717773 Airflow assisted ramp loading and unloading of sliders in hard disk drives |
| 04/06/2004 | US6717772 Magnetic head slider having protrusions provided on the medium-facing surface and manufacturing method therefor |
| 04/06/2004 | US6717760 Magnetic disk drive |
| 04/06/2004 | US6717330 Ultrasonic motor and electronic device having the ultrasonic motor |
| 04/01/2004 | US20040062185 Disk recording or reproducing device with pickup inclination adjusting mechanism |
| 04/01/2004 | US20040062184 Lens position determination apparatus of optical pickup |
| 04/01/2004 | US20040061974 Slider basecoat for thermal PTR reduction |
| 04/01/2004 | US20040061968 Writing distinct servo patterns on individual transducers according to transducer read/write head characteristics in a data storage device |
| 04/01/2004 | US20040061967 Disk drive bi-directional servo track write method and apparatus |
| 03/31/2004 | EP1403864A2 Electronic apparatus and shockproof method |
| 03/31/2004 | EP1403856A2 Pivot assembly |
| 03/31/2004 | EP0576680B1 Magnetic head assembly, its manufacture, and magnetic disc device |
| 03/31/2004 | CN1485826A Optical disk machine and its Servo control system and optical path modification servo control system |
| 03/31/2004 | CN1485823A Adjustable resistance setting system in optical read-write equipment |
| 03/31/2004 | CN1485822A Pick-up equipment transfering device of optical disk player |
| 03/31/2004 | CN1485819A Pick-up equipment exchanging device of optical disk player |
| 03/31/2004 | CN1144219C Head position control for disk drive which performs recording about rotational center even if recorded servo information is eccentric |
| 03/31/2004 | CN1144218C Twin coil rotating activator |
| 03/31/2004 | CN1144209C Playback device for disc-shaped recording media |
| 03/31/2004 | CN1144190C CD appts. |
| 03/31/2004 | CN1144186C Method of changing rotational rate of storage medium from initial rate to desired rate |
| 03/30/2004 | US6714386 Disc drive having a suspension limiter for improved shock performance |
| 03/30/2004 | US6714383 Magnetic disk apparatus |
| 03/30/2004 | US6714378 Positioning method, positioning device and disk device |
| 03/30/2004 | US6714376 Partial servo write fill in |
| 03/30/2004 | US6714373 Magnetic disk device having an improved seek control |
| 03/30/2004 | US6714369 Method and apparatus for writing clock data to a storage medium |
| 03/30/2004 | US6713904 Linear voice coil actuator with compensating coils |
| 03/30/2004 | US6711929 Method and apparatus for adjusting load applied by suspension |
| 03/25/2004 | US20040057373 Pickup feed mechanism and disk drive comprising the same |
| 03/25/2004 | US20040057159 Head suspension assembly and disk drive using the same |
| 03/25/2004 | US20040057151 Data storage device and servo information writing method |
| 03/25/2004 | US20040057150 Magnetic disk apparatus |
| 03/25/2004 | US20040056650 Disc drive slider test socket |
| 03/24/2004 | CN1484826A Equipment and method for improving microdriving mechanism installing on magnetic head slide block |
| 03/24/2004 | CN1484825A Self-positioning magnetic latch |
| 03/24/2004 | CN1484359A Hall element, motor assembly and optical disk device |
| 03/24/2004 | CN1484243A Head suspension assembly and disk device using same |
| 03/24/2004 | CN1484242A Magnetic head assembly and mfg method |
| 03/24/2004 | CN1484233A Tracking signal detector for optical disk driver |
| 03/24/2004 | CN1484224A Buffer configuring system for track seeking control |
| 03/24/2004 | CN1484223A Tracking tab method and device for optical recording media |
| 03/24/2004 | CN1143278C Apparatus and method for scanning a rotary information carrier |
| 03/24/2004 | CN1143275C Magnetic head control unit in magnetic disc device |
| 03/24/2004 | CN1143273C Integrated head-electronics interconnection suspension for data data recording disk drive |
| 03/23/2004 | US6710978 Head suspension with compliant feature for component location |
| 03/23/2004 | US6710976 Disk head slider having air bearing pressure relief features |
| 03/23/2004 | US6710975 Magnetic head and read/write apparatus having reduced stress in a slider and supporter |
| 03/23/2004 | US6710965 Phase-advanced filter for robust resonance cancellation |
| 03/23/2004 | US6710964 Ramp load disc drive having a padded slider |
| 03/23/2004 | US6710957 Servo mark detection device and servo mark detection method |
| 03/23/2004 | US6710954 Tape drive and servo system stabilization method |
| 03/23/2004 | US6710511 Moving member for surface acoustic wave actuator and surface acoustic wave actuator using same |
| 03/23/2004 | US6710295 Slider curvature modification by substrate melting effect produced with a pulsed laser beam |