Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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09/16/1997 | US5668678 Detecting servo data and servo bursts from discrete time samples of an analog read signal in a sampled amplitude read channel |
09/16/1997 | US5668545 Simplified encoding apparatus and method for pilot tone modulation in automatic-track-following |
09/16/1997 | US5667600 Aluminum alloys containing beryllium and investment casting of such alloys |
09/16/1997 | US5666717 Method for manufacturing a magnetic head suspension |
09/12/1997 | WO1997033281A1 Disk drive and recording or reproducing method therefor |
09/10/1997 | CN1159051A Velocity detector for sled motor |
09/09/1997 | US5666336 Reproduction apparatus for reproducing first and second data regions on a CD-ROM |
09/09/1997 | US5666244 Rotary actuator assembly in a disk drive having a magnetic actuator arm latch |
09/09/1997 | US5666236 Velocity control for a disk drive actuator |
09/04/1997 | WO1997032301A1 In-drive correction of servo pattern errors |
09/03/1997 | EP0793229A1 Air bearing surface features for optimized transducer spacing |
09/03/1997 | EP0587905B1 Data recording medium and data recording apparatus |
09/03/1997 | EP0547218B1 Audio record carrier and players for playing said record carrier |
09/02/1997 | US5663937 Magnetic head slider for supporting a recessed magnetic head and having a side recess to prevent inadvertent contact with disc surface at rim |
09/02/1997 | US5663847 Rejection of disturbances on a disk drive by use of an accelerometer |
09/02/1997 | US5663846 Driving apparatus for floating-type magnetic head |
08/27/1997 | EP0791924A2 Method and apparatus for reducing phase lag resulting from digital to analog conversion |
08/27/1997 | EP0791917A2 Head suspension arm |
08/26/1997 | US5661760 Wide biphase digital servo information detection, and estimation for disk drive using servo Viterbi detector |
08/26/1997 | US5661705 Optical disk pickup control apparatus and method providing stabilized search operations |
08/26/1997 | US5661619 Gimballing flexure with static torque offset compensation feature |
08/26/1997 | US5661618 Magnetic recording device having a improved slider |
08/26/1997 | US5661617 Head positioning control system |
08/20/1997 | EP0789906A1 Flexures which reduce friction in an actuator for a data storage device |
08/20/1997 | EP0789905A1 Head load/unload and cleaning in a data storage device |
08/20/1997 | EP0789904A1 Wing attachment for head load/unload in a data storage device |
08/20/1997 | EP0789903A1 Low flying magnetic heads for stabilizing flexible media |
08/20/1997 | CN1157459A Multiple zone data storage system and method |
08/20/1997 | CN1157138A Oral liquor using clam extract as main medicinal component and its produsing method |
08/19/1997 | US5659526 Optical seeking apparatus with track crossing signal generation using a corrected tracking error signal having a constant amplitude during periods of data |
08/19/1997 | US5659448 Magnetic head supporting mechanism including a slider fixed to a slider spacer by a fixing area smaller than a contact area |
08/19/1997 | US5659438 Head positioning control system using stored voice coil motor correction data |
08/19/1997 | US5659437 Data storage apparatus having servo control system |
08/19/1997 | US5659436 Radial self propagation pattern generation for disk file servowriting |
08/19/1997 | US5657531 Magnetic head arm, method of producing the same and apparatus for producing the same |
08/13/1997 | EP0789357A2 Method and apparatus for manufacturing information storage devices |
08/13/1997 | EP0789351A1 Conductive trace flexure for a magnetic head suspension assembly |
08/13/1997 | CN1157049A System for storying and reproducing information |
08/13/1997 | CN1156874A Method and apparatus for positioning dual element magnetoresistive head |
08/12/1997 | US5657300 Magnetic head having elastic members for magneto-optical recording device |
08/12/1997 | US5657188 Head suspension with tracking microactuator |
08/12/1997 | US5657187 Load beam having tuned resonance mode performance for supporting a read/write head |
08/12/1997 | US5657186 Device for supporting a magnetic head slider and magnetic head apparatus provided with the device including grounding electrical connection |
08/12/1997 | US5657185 Floating magnetic head having a reinforced structure and a manufacturing method thereof |
08/12/1997 | US5656877 Swing-type actuator and method of making same |
08/12/1997 | US5655286 Integrated transducer-suspension structure for longitudinal recording |
08/07/1997 | WO1997028529A1 Disc drive system using multiple pairs of embedded servo bursts |
08/06/1997 | EP0787343A1 Motion limiters in a direct access storage device for preventing disk data zone and spindle bearing damage |
08/06/1997 | EP0787342A1 Device for reading an information carrier, including discriminating means for determining a type of information carrier |
08/05/1997 | US5654946 Method for determining reproduction position of a reproduction device |
08/05/1997 | US5654852 Stopper mechanism in a floppy disc apparatus |
08/05/1997 | US5654848 Voice coil motor for a disc drive |
08/05/1997 | US5654835 Magnetic disk controller capable of avoiding erroneous write operations to ZBR-type magnetic disks |
07/30/1997 | EP0786133A1 Synchronous detection of concurrent servo bursts for fine head position in disk drive |
07/29/1997 | US5652746 Electronic track detection methods for apparatus for simultaneously reading multiple adjacent tracks of an optical disk |
07/29/1997 | US5652685 Read/write head for contact with a media disk |
07/24/1997 | DE19701373A1 Servo control of head position in magnetic disc memory |
07/23/1997 | EP0785553A1 Method and apparatus for minimizing seek time in a disk drive |
07/23/1997 | EP0785542A1 Magnetic disk drive |
07/23/1997 | CN1155148A Double driving magnetic-head actuator |
07/22/1997 | US5650894 Gimballed spring arm having a reinforced plate for use with a magnetic head |
07/22/1997 | US5650893 Roll insensitive air bearing slider |
07/22/1997 | US5650891 Apparatus for performing multiple functions in a data storage device using a single electro-mechanical device |
07/16/1997 | EP0783662A1 Fine positioning apparatus with atomic resolution |
07/16/1997 | EP0783551A1 Precision joining process for at least two workpieces |
07/16/1997 | EP0672174A4 Htlv-1 probes for use in solution phase sandwich hybridization assays. |
07/16/1997 | CN1154555A Slider suspension assembly and method for attaching slider to suspension in data-recording disk file |
07/16/1997 | CN1035457C Disk drive servo system |
07/15/1997 | US5648947 Optical disk device having track jumping control |
07/10/1997 | WO1997024608A1 Method and apparatus for positioning a magnetoresistive head |
07/10/1997 | DE19654590A1 Programmierbare Ablaufsteuerung einer Plattensteuerung und ein Verfahren für eine zugehörige Kartenzuweisung Programmable sequence control of a disk controller and method for assigning a corresponding map |
07/09/1997 | EP0783165A2 Method and apparatus for positioning a dual element magnetoresistive head |
07/09/1997 | CN1153980A Retraction of disc drive actuator |
07/08/1997 | US5646932 Optical disk, tracking error signal generating apparatus, and tracking control apparatus |
07/08/1997 | US5646915 Information recording/reproducing apparatus in which a control value for controlling a recording/reproducing head is generated on the basis of a corrected current moving velocity and a target moving velocity |
07/08/1997 | US5646797 Digital servo control system for use in disk drives |
07/08/1997 | US5646682 Track width error inspector apparatus |
07/08/1997 | US5645735 Gimbal flexure and electrical interconnect assembly |
07/08/1997 | CA2062041C Information processing apparatus having a floating-type head with a bevelled slider |
07/08/1997 | CA2054880C Information recording and reproducing device |
07/03/1997 | WO1997023867A1 Hard disk drive having ring head sliding on perpendicular media |
07/02/1997 | CN1153569A Magnetic head and system for controlling position of magnetic head |
07/02/1997 | CN1153377A Apparatus for generating track count pulse |
07/01/1997 | US5644452 Apparatus connecting a flexible circuit to an actuator arm of a disc drive |
07/01/1997 | US5644449 Magnetic head slider assembly |
07/01/1997 | US5644448 Head signal supply/retrieval structure for magnetic disk drive |
07/01/1997 | US5642943 Self-aligning air bearing for use with servo-track writer |
07/01/1997 | US5642773 Melting solid aluminum and beryllium charge in refractory lined furnace pot in vacuum melting furnace, pouring into disposable shell mold, freezing melt, removing mold |
06/26/1997 | WO1997022966A1 Method of detecting and isolating defective servo bursts |
06/26/1997 | DE19654229A1 Automatic gain controller for optical disc replay apparatus |
06/26/1997 | DE19653132A1 Multi-track head unit for hard disc drive |
06/25/1997 | EP0780836A1 Subambient pressure air bearing slider |
06/25/1997 | EP0780688A2 Velocity detector for sled motor |
06/25/1997 | EP0610449B1 Slider air bearing surface with angled rail configuration |
06/25/1997 | CN1152778A Structure for supporting light-sensor |
06/24/1997 | US5640755 Method for manufacturing a magnetic head |
06/19/1997 | WO1997022121A1 A variable pneumatic loader for testing a disk drive head gimbal assembly |
06/19/1997 | WO1997022119A1 Magnetic recording device |
06/18/1997 | EP0779611A2 Multiple zone data storage system and method |
06/18/1997 | EP0549814B1 Mechanism for finely moving head |