| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
|---|
| 04/09/1997 | EP0766883A1 Actuator retraction circuit |
| 04/09/1997 | CN1147130A Disc drive unit |
| 04/08/1997 | US5619390 Magnetic disk apparatus with offset head assemblies |
| 04/08/1997 | US5619387 Disk storage device with spiral data track and incremental error offsets in angularly spaced imbedded concentric servo patterns |
| 04/08/1997 | US5619331 For monitoring an optical property of a recording head |
| 04/03/1997 | WO1997012362A1 Method using matched filters for determining head positioner micro-jog in hard disk drive employing magneto-resistive heads |
| 04/03/1997 | CA2205915A1 Method using matched filters for determining head positioner micro-jog in hard disk drive employing magneto-resistive heads |
| 04/02/1997 | EP0765517A1 Aerodynamic actuator-filter latch for hard disk drive |
| 04/01/1997 | US5617536 Method and apparatus for servo control with error detection of gray (pennington) code used for servo track ID |
| 04/01/1997 | US5617404 Magneto-optic disk apparatus provided with a holder having a claw catching and bending an elastic member |
| 04/01/1997 | US5617388 Disc recording/reproducing apparatus which uses stored eccentricity data to maintain the read/write head at a constant radial position during a stand-by mode |
| 04/01/1997 | US5617382 Optical information accessing system capable of reliable jump-back control |
| 04/01/1997 | US5617274 Low profile integral flexure for closely packed disks in a disk drive assembly |
| 04/01/1997 | US5617273 Thin film slider with protruding R/W element formed by chemical-mechanical polishing |
| 03/26/1997 | EP0764942A1 Flexible circuit for magnetic head assembly having reduced stiffness area for minimizing the effects of roll and pitch |
| 03/26/1997 | CN1146045A Disk drive with shock-resistant rotary actuator |
| 03/25/1997 | US5615204 Structure for supporting optical pickup |
| 03/25/1997 | US5615191 Disc device having eccentricity measurement and clock correction |
| 03/25/1997 | US5615068 Head locating actuator having reduced susceptibility to dynamic reaction force effects, and a disk apparatus incorporating the same |
| 03/25/1997 | US5615064 Pulsed current velocity controlled head load method and apparatus which uses the back EMF to control the generation of head actuator driving pulses |
| 03/25/1997 | US5615058 Method and system for writing a servo-pattern on a storage medium |
| 03/19/1997 | EP0763881A2 Magnetic micro-mover |
| 03/19/1997 | EP0763237A1 Power saving method and apparatus for computer disk drives |
| 03/19/1997 | EP0750780A4 Reading/writing information on a storage medium |
| 03/19/1997 | CN1145517A Magnetic disc storage system |
| 03/18/1997 | US5612945 Device for recording and/or reading information by means of a radiation beam, plate-shaped element suitable for use in the device, and disc player comprising the device |
| 03/18/1997 | US5612840 Magnetic spring arm assembly including structure for preventing damage to a conductive layer resulting from bending |
| 03/18/1997 | US5612835 Method and disk apparatus for automatically adjusting a head position |
| 03/18/1997 | US5612833 Radial self-propagation pattern generation for disk file servowriting |
| 03/18/1997 | US5612830 Method and apparatus for cleaning disks upon reaching a disk drive start-stop cycle threshold |
| 03/13/1997 | DE19636118A1 Servo scanning clock generator especially for disc drive and recording device |
| 03/12/1997 | EP0762393A1 Generating track count pulses |
| 03/12/1997 | EP0761002A1 Servo-writing system for use in a data recording disk drive |
| 03/12/1997 | EP0760998A1 Magnetic head and systen for controlling the position of a magnetic head |
| 03/12/1997 | CN1144960A Method and apparatus for pamp load and unload |
| 03/11/1997 | US5610899 Optical head moving section of optical disk drive |
| 03/11/1997 | US5610885 Linear drive mechanism for use in an optical disk device |
| 03/11/1997 | US5610785 Head suspension assembly and its manufacturing method |
| 03/11/1997 | US5610782 Floppy disk drive device |
| 03/11/1997 | US5610780 Floppy disk unit |
| 03/11/1997 | US5610777 Method and apparatus for writing servo tracks of a magnetic disk unit which uses a probe to control the positioning of the head |
| 03/06/1997 | WO1997008697A1 Velocity control for a disk drive actuator |
| 03/06/1997 | WO1997008694A1 Device for reading an information carrier, including discriminating means for determining a type of information carrier |
| 03/06/1997 | WO1997008688A1 Disk drive |
| 03/06/1997 | DE19634433A1 Hard disc drive for computer system |
| 03/06/1997 | CA2230153A1 Velocity control for a disk drive actuator |
| 03/05/1997 | EP0760509A1 Disk apparatus and disk access method |
| 03/05/1997 | CN1144374A Magnetic disk unit with impact force applying mechanism |
| 03/05/1997 | CN1034197C Zoned record carrier |
| 03/04/1997 | US5608706 Front loading disc player |
| 03/04/1997 | US5608592 Head actuator |
| 03/04/1997 | US5608591 Integrated head-electronics interconnection suspension for a data recording disk drive |
| 03/04/1997 | US5608590 Head suspension assembly |
| 03/04/1997 | US5608588 Method for controlling digital closed servo loop system and disk storage apparatus using the system |
| 02/27/1997 | WO1997007507A1 Magnetic latch for a movable ramp and associated servo control for head loading |
| 02/27/1997 | WO1997007502A1 Suspension having reduced torsional mode gain and sensitivity |
| 02/27/1997 | DE19632373A1 Head management method especially for fixed or removable disc medium |
| 02/26/1997 | EP0759616A1 Metal-resin composite plate, rocking actuator with composite plate, and method for production thereof |
| 02/26/1997 | EP0759613A1 Recording/reproduction apparatus |
| 02/26/1997 | EP0759607A1 Floating head slider, floating head apparatus and disk driving apparatus |
| 02/26/1997 | EP0707755A4 Swing-type actuator |
| 02/26/1997 | CN1144009A Loading apparatus of memory medium and recording and/or reproduction apparatus |
| 02/26/1997 | CN1143810A Head drum assembly for use in video cassette recorder |
| 02/25/1997 | US5606477 Viscoelastically damped slider suspension system |
| 02/25/1997 | US5606476 Altitude insensitive air bearing slider |
| 02/25/1997 | US5606474 High density disk drive with accelerated disk access |
| 02/25/1997 | US5606469 Method for correcting offset in a magnetic disk including apparent offtrack cancellation |
| 02/25/1997 | US5606468 Plural diverse processors for control of a disk apparatus |
| 02/25/1997 | US5606206 Device for detecting the position of an optical or magnetic head used on linear motors |
| 02/20/1997 | WO1997006528A1 Method and apparatus for launching and retracting read-write heads from the medium of a disk drive |
| 02/19/1997 | CN1143248A Magnetic head sliding device for disc recording/regenerating equipment |
| 02/19/1997 | CN1143246A Magnetic disc parts |
| 02/19/1997 | CN1143243A Magnetic disc regenerating device |
| 02/19/1997 | CN1143242A movement limiter in DASD for preventing magnetic disc data zone and main shaft bearing damage |
| 02/19/1997 | CN1143225A Recording card and card reading machine |
| 02/18/1997 | US5604722 Access control method and device of disk unit |
| 02/18/1997 | US5604720 Method and apparatus for accessing a target track on optical medium |
| 02/18/1997 | US5604649 Disk drive system having a novel head gimbal assembly with a single offset mounting plate on each actuator arm |
| 02/18/1997 | US5604604 Multiple head signal distribution system |
| 02/13/1997 | WO1997005604A1 Improved chatter reduction in sliding mode control of a disk drive actuator |
| 02/12/1997 | CN1142662A Apparatus and method for suppression of electromagnetic interference |
| 02/11/1997 | US5602818 Lock mechanism for a floating unit in a disc player |
| 02/11/1997 | US5602701 Head actuator for magnetic disk drive unit |
| 02/11/1997 | US5602700 Aerodynamic actuator-filter latch for hard disk drive |
| 02/11/1997 | US5602699 Gimbal assembly of a magnetic head suspension |
| 02/11/1997 | US5602698 Apparatus for mounting a magnetic head in an actuator arm assembly |
| 02/11/1997 | US5602691 Magnetic disk drive apparatus using contact start/stop mode and head load/unload mode |
| 02/11/1997 | US5602689 Digital servo control system for use in disk drives, including sample integrity tester for reducing effects of spurious sampled position values |
| 02/06/1997 | WO1997004446A2 Sliding mode control of a magnetoresistive read head for magnetic recording |
| 02/05/1997 | CN1142101A Magnetic disc |
| 02/04/1997 | US5600623 Disc device having a plurality of heads each movable within a limited distance |
| 02/04/1997 | US5600615 Device and method for automatically controlling a servo loop gain |
| 02/04/1997 | US5600516 Deflectable crash stop in actuator arm assembly overmold |
| 02/04/1997 | US5600510 Disk apparatus with shielding member in a head moving range |
| 02/04/1997 | US5600506 Apparatus and method for determining the position of a transducer relative to a disk surface in a disk drive system |
| 02/04/1997 | US5600219 Sensorless closed-loop actuator unlatch |
| 02/04/1997 | US5600217 CMOS disk drive motor control circuit having back-EMF regulator circuitry |
| 01/30/1997 | DE19615964A1 Geschwindigkeits/Positions-Schätzvorrichtung für Magnetköpfe in Magnetplattenlaufwerken Speed / position estimation means for magnetic heads in magnetic disk drives |
| 01/28/1997 | US5598390 Dual more recording and reproducing apparatus having two recording regions using differing reproduction principles |
| 01/28/1997 | US5598384 Feed search system for optical disk recording device |