| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 02/19/2004 | US20040032807 Hall element, motor assembly and optical disk device |
| 02/19/2004 | US20040032688 Disk storage |
| 02/19/2004 | US20040032686 Head slider receiving variable urging force in recording medium drive |
| 02/19/2004 | US20040032681 Method and system for implementing in situ low flyheight warning |
| 02/18/2004 | CN1476611A Disk type recording and reproducing device |
| 02/18/2004 | CN1476609A Recording medium drive device |
| 02/18/2004 | CN1475996A Method and equipment used for correcting inclination in disk driver |
| 02/18/2004 | CN1475995A Correction device and method of spacing btween linear velocity and rail |
| 02/18/2004 | CN1475992A CD apparatus and interference learing method thereof |
| 02/18/2004 | CN1475989A Low environmental pressure slide block having zoning low environment region |
| 02/18/2004 | CN1139060C Apparatus for adjusting tilt of disc |
| 02/18/2004 | CN1139058C Low mass disc drive suspension |
| 02/17/2004 | US6694458 Method and system for automatically validating a header search in reading data from an optical medium |
| 02/17/2004 | US6693773 Disk drive having a vertically adjustable ramp load |
| 02/17/2004 | US6693772 Head carriage |
| 02/17/2004 | US6693763 Method for linearizing microactuator hysteresis for a disc drive |
| 02/17/2004 | US6693761 Control method of control magnetic disk unit and magnetic disk unit using such method |
| 02/12/2004 | WO2004013855A1 Disc device, disc eccentricity control method, and recording medium |
| 02/12/2004 | WO2002035543A9 A circuit for self-writing servo and clock fields on a disc drive |
| 02/12/2004 | US20040028394 Tilt adjusting apparatus for optical disc player |
| 02/12/2004 | US20040027977 Optical pickup apparatus |
| 02/12/2004 | US20040027976 Braking methods of an optical head in an optical disk system |
| 02/12/2004 | US20040027932 Method for switching an optical disc apparatus to different accessing speeds |
| 02/12/2004 | US20040027884 Magnetic-head supporting mechanism |
| 02/12/2004 | US20040027724 Disc head slider with bearing pad design |
| 02/12/2004 | US20040027723 Magnetic head having raised element and magnetic head apparatus using the same |
| 02/12/2004 | US20040027722 Method and apparatus for improved attachment of a micro-actuator to a slider device |
| 02/12/2004 | US20040027709 Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle |
| 02/12/2004 | US20040027088 Magnetic disk drive and voice coil motor drive circuit |
| 02/12/2004 | DE19835882B4 Platte, Verfahren und Festplattenlaufwerk für das Bereitstellen einer Positionsinformation Plate, procedures and hard drive for providing position information |
| 02/12/2004 | DE19737155B4 Automationssystem für die Herstellung eines Festplattenlaufwerkes und Verfahren zum Betreiben desselben The same automation system for the production of a hard disk drive and method for operating |
| 02/12/2004 | DE19721319B4 Verfahren zum Anordnen von Adressinformation A method for arranging address information |
| 02/11/2004 | EP1388848A1 Head suspension assembly and disk drive using the same |
| 02/11/2004 | CN1474402A Changeable storage device and record medium, and driving regulator of record reproducing head |
| 02/11/2004 | CN1474387A Incline degree adjuster for optic disc player |
| 02/11/2004 | CN1474380A Method of magnetic disc driver of pneumatic modelling float block and pneumatic float block |
| 02/11/2004 | CN1138271C Method and device utilizing field ratioing demodulation techniques for null-type servo pattern |
| 02/11/2004 | CN1138259C Support structure for magnetic head device |
| 02/11/2004 | CN1138257C Magnetic head assembly with IC core arranged on floatation part of magnetic disc device by ultrasonic welding process |
| 02/10/2004 | US6690879 Magnetic recording and reproducing apparatus of helical scan type |
| 02/10/2004 | US6690551 Precise positioning actuator for head element, head gimbal assembly with the actuator, disk drive apparatus with the head gimbal assembly and manufacturing method of head gimbal assembly |
| 02/10/2004 | US6690550 Rotation balance control mechanism controlling a rotation balance of a rotary head drum apparatus |
| 02/10/2004 | US6690549 Storage device |
| 02/10/2004 | US6690548 Ramp for use in information recording disk apparatus, and information recording disk apparatus |
| 02/10/2004 | US6690547 Suspension, head gimbal assembly and manufacturing method of head gimbal assembly |
| 02/10/2004 | US6690546 Head suspension for a disk device, disk device and head IC testing method |
| 02/10/2004 | US6690544 Magnetic head and magnetic head manufacturing method |
| 02/10/2004 | US6690543 Magnetic disk drive with air bearing surface pad on movable portion and method of controlling |
| 02/10/2004 | US6690538 Disk drive device and access sequence therefor |
| 02/10/2004 | US6690537 Method and system for controlling the positioning of a read/write head of a data recording device |
| 02/10/2004 | US6690533 Drive level actuator imbalance torque test |
| 02/10/2004 | US6687976 Fixing bars to support; contacting with suction surface; applying adhesive with varying thickness |
| 02/05/2004 | US20040022169 Write/read head supporting mechanism, and write/read system |
| 02/05/2004 | US20040022167 Objective lens driver and optical memory device |
| 02/05/2004 | US20040021988 Recording medium drive |
| 02/05/2004 | US20040021987 Flying head slider and information recording and/or reproducing device |
| 02/05/2004 | US20040021980 Magnetic recording disk drive with self-limiting wearable contact pad air-bearing slider in hermetically sealed environment |
| 02/05/2004 | US20040021404 Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuators |
| 02/04/2004 | CN1472728A Piezo driver and manufacture thereof and disc driver |
| 02/04/2004 | CN1137486C Process of producing magnetic head slider |
| 02/04/2004 | CN1137485C Controlling media master writing machine to produce curvilinear servo sector pattern |
| 02/04/2004 | CN1137484C Head actuator in disk driving system |
| 02/03/2004 | US6687090 Head suspension assembly with head amplifier IC |
| 02/03/2004 | US6687088 Disc drive head slider with recessed landing pads |
| 02/03/2004 | US6687077 Method for controlling a spin motor in a disk drive during cleaning and read/write operations |
| 02/03/2004 | US6687076 Recording medium and apparatus for protecting copyrighted digital data |
| 02/03/2004 | US6687065 Resonance screen with varying frequency and controllable gain booster |
| 01/29/2004 | US20040019776 Program boot method for hard disk controller, hard disk controller and hard disk drive, and control program for hard disk controller |
| 01/29/2004 | US20040017766 Optical disk apparatus with pickup tilt adjusting mechanism and entertainment apparatus |
| 01/29/2004 | US20040017765 Disk drive and beam angle adjusting structure |
| 01/29/2004 | US20040017631 Method and apparatus providing spiral servo control for skewless read/writes in a hard disk drive |
| 01/29/2004 | DE10319485A1 Wiedergabeeinrichtung für Aufzeichnungsplatte Reproducing apparatus for recording disc |
| 01/28/2004 | CN1471102A Disc drive system and method for high-speed access data track |
| 01/28/2004 | CN1471085A Information head arm assembly and disc drive device having same |
| 01/28/2004 | CN1471084A Head position control method, disc device and servo track write method |
| 01/28/2004 | CN1471083A Head position control method and disc device |
| 01/28/2004 | CN1136578C Magnetic head driver for hard disc drive |
| 01/28/2004 | CN1136559C Objective driving apparatus |
| 01/28/2004 | CN1136556C Optical disk device |
| 01/28/2004 | CN1136550C Optical disk recording/reproducing device having current monitoring circuit and method for operating same |
| 01/28/2004 | CN1136543C Integrated suspending frame and data recording disc drive comprising same |
| 01/27/2004 | US6683839 Storage apparatus offering improved precision in positioning carriage relative to disk |
| 01/27/2004 | US6683833 Device for scanning a rotating information carrier |
| 01/27/2004 | US6683757 Slider-level microactuator for precise head positioning |
| 01/27/2004 | US6683755 Negative pressure type head slider and disk drive employing same |
| 01/27/2004 | US6683754 Hard disk drive head-media system having reduced stiction and low fly height |
| 01/27/2004 | US6683744 Magnetic disk evaluation apparatus and method |
| 01/22/2004 | US20040013071 Disk type recording and reproducting device |
| 01/22/2004 | US20040013056 Optical information reproducing apparatus having a servo control circuit |
| 01/22/2004 | US20040013053 Method and apparatus for controlling home-in mode in disc drive |
| 01/22/2004 | US20040012892 Actuator and hard disk drive employing the same |
| 01/22/2004 | US20040012891 FPC mounting apparatus |
| 01/22/2004 | US20040012890 Actuator locking apparatus for hard disk drive |
| 01/22/2004 | US20040012889 Wireless suspension design with ground plane structure |
| 01/22/2004 | US20040012887 Head slider having convergent channel features with side opening |
| 01/22/2004 | US20040012885 Magnetic head parking system of hard disk drive |
| 01/22/2004 | US20040012874 Self-servo-writing multi-slot timing pattern |
| 01/22/2004 | US20040012366 Positioning device |
| 01/22/2004 | US20040011571 Apparatus and method for the checking of forces |
| 01/21/2004 | EP1383129A1 Recording and/or reproducing device |