| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 05/04/1999 | US5901121 Optical storage apparatus having improved eccentricity correction abilities |
| 05/04/1999 | US5901020 Magnetic disk drive |
| 05/04/1999 | US5901017 Suspension for a magnetic head |
| 05/04/1999 | US5901003 Method and apparatus for determining systematic errors |
| 05/04/1999 | US5901002 Circuit in a controller |
| 05/04/1999 | US5901001 Detection of asperities in recording surface of storage medium |
| 04/29/1999 | DE19849788A1 Sliding head carriage for read/write head |
| 04/28/1999 | EP0911812A1 Head slider supporting device, disk device and suspension |
| 04/28/1999 | EP0911809A2 Magnetic head assembly, method of manufacturing the same, and magnetic disk apparatus |
| 04/28/1999 | EP0911712A1 Corrected servo control signal in a servo control loop |
| 04/28/1999 | CN1215208A Method for controlling record/play head position and disc device thereof |
| 04/28/1999 | CN1215202A Head floating block support device, disc device and cantilever |
| 04/27/1999 | US5898657 Disc driving apparatus having a base moving means with first and second engagement shafts engaging respective grooves on a cam member |
| 04/27/1999 | US5898545 Head load/unload and disk airflow control apparatus |
| 04/27/1999 | US5898544 Base plate-mounted microactuator for a suspension |
| 04/27/1999 | US5898542 Magneto-resistive effect type head with step or protrusion for reducing thermal asperity |
| 04/27/1999 | US5898541 Leading surface slider microactuator |
| 04/27/1999 | US5898531 Signal processing apparatus for digitally modulating input data |
| 04/27/1999 | US5898286 Digital servo control system for a data recording disk file with improved saturation modelling |
| 04/27/1999 | US5897984 Method for manufacturing a flying magnetic head slider |
| 04/27/1999 | US5896729 Two-piece tube |
| 04/22/1999 | WO1999019866A1 Extended position error signal linearization and normalization |
| 04/22/1999 | DE19821486A1 Method of position control of recording/reproduction head of disc arrangement |
| 04/21/1999 | EP0909444A2 Methods and apparatus for preventing disk drive damage due to microprocessor failures |
| 04/21/1999 | CN1214786A System for recording and/or reproducing information, medium for use in the system and magnetic write head and arrangement for formatting the medium |
| 04/21/1999 | CN1214502A Optical seeking method and apparatus and disk drive system including same |
| 04/21/1999 | CN1214501A Optical seeking method and apparatus with track counting or track crossing signal generation using tracking error signal having constant amplitude during data segments |
| 04/20/1999 | US5896354 Optical storage apparatus having switching control circuit for controlling an envelope detecting function in accordance with a medium type or access type |
| 04/20/1999 | US5896250 Head transport mechanism for disc drive apparatus |
| 04/20/1999 | US5896249 Disk drive with identical top and bottom heads having three side-by-side elements and a common terminal pad |
| 04/20/1999 | US5896245 Structure in a disk drive system for attaching a load beam to a head actuator carriage including a mountplate having side ends surrounding a swage hole |
| 04/20/1999 | US5896243 Magneto-resistive effect type head with step or protrusion for reducing thermal asperity |
| 04/20/1999 | US5894655 Monocoque head suspension and its method of construction |
| 04/15/1999 | WO1999018570A1 A method and apparatus for providing enhanced transfer rate for a constant angular velocity storage disc |
| 04/15/1999 | DE19846166A1 Magnetic head for magneto-optic data storage system, e.g. minidisk |
| 04/14/1999 | EP0908519A1 Novel glucosaminidase from Staphylococcus aureus |
| 04/14/1999 | EP0820628A4 Removable cartridge disk drive with angularly inserted cartridges |
| 04/14/1999 | EP0806042B1 Dual identification for data fields of a disk drive |
| 04/14/1999 | EP0680655B1 System for allocating tasks between two actuators servicing the same magnetic disk media in a single disk drive |
| 04/14/1999 | EP0676753B1 Data recording and reproducing apparatus |
| 04/14/1999 | CN1213815A Magnetic head and its mfg. method |
| 04/13/1999 | US5894382 Head stack assembly for a disk drive having a plastic inner sleeve |
| 04/13/1999 | US5894379 Magnetic head slider with rail leading portions increasing in thickness over rail portions which widen and narrow |
| 04/13/1999 | US5894374 Method and apparatus for providing a clock assembly |
| 04/13/1999 | US5894209 Apparatus for and method of controlling stepping motor |
| 04/09/1999 | CA2246635A1 Novel glucosaminidase |
| 04/08/1999 | DE19811126A1 Magnetic disc drive for computers |
| 04/07/1999 | EP0906617A2 Actuator latch with improved shock resistance |
| 04/07/1999 | EP0804794B1 Non-destructive in-situ landing velocity determination of magnetic rigid disk drives |
| 04/07/1999 | EP0783662B1 Fine positioning apparatus with atomic resolution |
| 04/07/1999 | EP0700505A4 Interferometric flying height measuring device |
| 04/07/1999 | CN1213137A Tracking device with coil driven actuator and sensor coil to determine position of actuator |
| 04/07/1999 | CN1213136A Information recording apparatus with voice coil motor and cover thereof |
| 04/07/1999 | CN1213122A Magnetic recording apparatus |
| 04/06/1999 | US5892742 Optical storage apparatus |
| 04/06/1999 | US5892636 Disk device in which erroneous closing of recording medium shutter is prevented |
| 04/06/1999 | US5892635 Servo writer for magnetic disk drive and servo writing method |
| 04/06/1999 | US5892634 Method and apparatus for heat positioning control in disk storage system |
| 04/06/1999 | US5892629 Objective lens actuator |
| 04/01/1999 | WO1999016074A1 Method for playing back a recording medium |
| 04/01/1999 | WO1999016072A1 Magnetic head slider |
| 04/01/1999 | WO1999016059A1 Repeated servo runout error compensation in a disc drive |
| 04/01/1999 | WO1999016058A1 Improved rotary disc drive actuator |
| 04/01/1999 | WO1999016055A1 Disk device |
| 03/31/1999 | EP0905695A1 Tracking device with a coil driven actuator and a sensor coil to determine a position of the actuator |
| 03/31/1999 | EP0905694A1 Tracking device with a coil driven actuator and a sensor coil to determine a position of the actuator |
| 03/30/1999 | US5890209 System and method for reducing target track seek time in a data storage disk drive |
| 03/30/1999 | US5889755 Pickup adjusting apparatus of an optical disk player |
| 03/30/1999 | US5889638 Head carriage with restraining member that engages lead screw during a shock |
| 03/30/1999 | US5889635 Magnetic head slider and magnetic disk apparatus for redistributing a lubricant |
| 03/30/1999 | US5889634 Reduced-altitude-sensitive subambient pressure air bearing slider |
| 03/30/1999 | US5889630 High density magnetic recorder |
| 03/25/1999 | WO1998056108A3 Automatic gain control circuit, e.g. for use in a hard disk drive |
| 03/25/1999 | DE19741594A1 Optical recording playback method |
| 03/24/1999 | EP0685102B1 System for correcting transducer tangential skew in a dual actuator disk drive system |
| 03/23/1999 | US5886977 Disk unit and process for assembling transmission mechanism used for driving head carriage |
| 03/23/1999 | US5886858 Magnetic disk apparatus with flexible printed circuit board connected to carriage assembly |
| 03/23/1999 | US5886856 Magnetic head slider assembly for magnetic disk recording/reproducing apparatus |
| 03/23/1999 | US5886846 Method for applying optimal seeking technique to disk file with excessive repeatable runout |
| 03/23/1999 | US5886787 Displacement sensor and method for producing target feature thereof |
| 03/23/1999 | US5885131 Interactive device for lapping transducers |
| 03/18/1999 | WO1999013460A1 High performance standard configuration disc drive having smaller-than-standard discs |
| 03/18/1999 | WO1998049810A3 Data storage and/or retrieval methods and apparatuses and components thereof |
| 03/18/1999 | DE19842047A1 Floppy-disc with servo patterns |
| 03/17/1999 | EP0902427A2 Disc apparatus head slider support suspension |
| 03/17/1999 | EP0902422A2 Servo track writing on a disk |
| 03/17/1999 | EP0858654A4 Tool for processing magnetic read/write heads and associated method |
| 03/17/1999 | CN1211027A Suspension supporting head slider head slider supporting device using suspension and disc apparatus using head slider supporting apparatus |
| 03/16/1999 | US5883767 Direct access storage device with magneto-resistive transducing head apparatus and a common read return signal line |
| 03/16/1999 | US5883761 Magnetic read/write head actuator assembly having asymmetric stator magnets |
| 03/16/1999 | US5883758 Lead structure with stainless steel base for attachment to a suspension |
| 03/16/1999 | US5883749 Technique for initializing hard disk drive |
| 03/16/1999 | CA2090543C Compact, high-speed, rotary actuator and transducer assembly with reduced moment of inertia and mass-balanced structural overlap with drive motor, and organizing method for the same |
| 03/10/1999 | EP0901119A2 Optical drive system having servomotor operated relative to maximum quad sum signal |
| 03/10/1999 | EP0900434A1 Suspension with integrated conductor having controlled capacitance |
| 03/09/1999 | US5881036 Technique for closed loop servo operation in optical disc tracking control |
| 03/09/1999 | US5881031 Disk apparatus having improved performance in reaching target position on disk |
| 03/09/1999 | US5880953 Control system and information recording and reproducing apparatus |
| 03/09/1999 | US5880908 Gimbal assembly for a magnetic head slider and a suspension for supporting and fixing the magnetic head slider |
| 03/09/1999 | US5880904 Disk drive having a thickness equal to an IC memory card |