| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 11/11/1997 | US5687042 Data storage device |
| 11/11/1997 | US5687038 Servo method and device for controlling head position for a hard disk drive |
| 11/11/1997 | US5685064 Process of manufacturing a magnetic head slider assembly |
| 11/07/1997 | CA2204567A1 Counter blanced rotary arilock actuator latch assembly for disk drive |
| 11/06/1997 | WO1997041558A1 Pwm/linear driver for disk drive voice coil actuator |
| 11/06/1997 | WO1997041555A1 Altitude insensitive negative pressure slider for a disk drive |
| 11/06/1997 | DE19716662A1 Magnetic head guide elements for magnetic disc system |
| 11/05/1997 | EP0804846A1 Synchronous detection of wide bi-phase coded servo information for disk drive |
| 11/05/1997 | EP0804794A2 Non-destructive in-situ landing velocity determination of magnetic rigid disk drives |
| 11/05/1997 | EP0804793A2 Fm detection of slider-disk interface |
| 11/05/1997 | EP0804792A1 Apparatus for recording an information signal on a record carrier provided with tracking signals and a record carrier having such information signals |
| 11/05/1997 | EP0804790A1 Actuator for data storage device |
| 11/05/1997 | EP0772871A4 Transducer/flexure/conductor structure for electromagnetic read/write system |
| 11/05/1997 | CN1164104A Magnetic disk drive |
| 11/04/1997 | US5684767 Track jump control circuit of optical disk apparatus properly controlling timing of accelerating pulses and decelerating pulses, and performing stable track jump |
| 11/04/1997 | US5684661 Magnetic head assembly and method for reading and/or writing data onto a thin magnetic layer placed on a photographic element |
| 11/04/1997 | US5684657 Linear guide arrangement, device comprising a linear guide arrangement and a head for reading and/or writing information from/on a medium, and information reproducing and/or recording apparatus comprising a linear guide arrangement |
| 11/04/1997 | US5684653 Method and apparatus for minimizing seek time in a disk drive by increasing power amplifier power based on power amplifier voltage head room |
| 11/04/1997 | US5684651 Magnetic disk system having servo signal detecting function depending on recording density of servo data |
| 11/04/1997 | US5684650 Digital servo control system for use in disk drives |
| 10/30/1997 | DE19715678A1 Head positioning error compensation in hard disk drive |
| 10/29/1997 | EP0803864A2 Optical storage apparatus |
| 10/29/1997 | EP0803158A1 Wide biphase digital servo information, detection, and estimation for disk drive using viterbi detection |
| 10/29/1997 | EP0803119A1 Disk drive stiction release system |
| 10/29/1997 | EP0803118A1 Pressure differential latch for a disk drive |
| 10/29/1997 | EP0802880A1 Linear guide arrangement, device comprising a linear guide arrangement and a head for reading and/or writing information from/on a medium, and information reproducing and/or recording apparatus comprising a linear guide arrangement |
| 10/29/1997 | CN1163450A Optical storing device |
| 10/28/1997 | US5682362 Track accessing method and apparatus using coarse and fine driving control in collaborating of fashion |
| 10/28/1997 | US5682282 Head feeding device including a screw shaft provided with a pair of grooves with one groove being provided with a lubricant |
| 10/28/1997 | US5682281 Magnetic disk driver capable of preventing occurrence of a data error resulting from static electricity |
| 10/28/1997 | US5682280 Sliding-type magnetic head for magnetooptical recording |
| 10/28/1997 | US5682274 Method and apparatus for positioning transducers to correct for read and write element misregistration offsets which vary dependent on rotary actuator angular position across a disk medium |
| 10/28/1997 | US5682159 Method and apparatus for reducing phase lag resulting from digital to analog conversion |
| 10/28/1997 | CA2081511C Size-independent, rigid-disk, magnetic, digital-information storage system with localized read/write enhancements |
| 10/23/1997 | WO1997039450A1 Method and apparatus for non-contact servo writing |
| 10/23/1997 | WO1997039447A1 A flying head positioner with fine positioning |
| 10/23/1997 | WO1997039446A1 Optical disk drive with a plurality of optical heads of different types |
| 10/23/1997 | WO1997039445A1 Method and apparatus for detecting the minimum glide height of a flying head and for focusing a lens carried on a flying head |
| 10/23/1997 | WO1997039441A1 Flying head with adjustable actuator load |
| 10/22/1997 | EP0802526A2 Storage device |
| 10/22/1997 | EP0789903A4 Low flying magnetic heads for stabilizing flexible media |
| 10/22/1997 | CN1162815A Method for incorporating disk media into magnetic disk drive |
| 10/21/1997 | US5680285 Magnetic disk having improved surface configuration and magnetic disk unit including same |
| 10/21/1997 | US5680278 Apparatus for combining linear and rotational motion of an azimuth read/write head |
| 10/21/1997 | US5680275 Adjustable solder bump spacer for slider-suspension attachment |
| 10/21/1997 | US5680272 Digital servo control system for use in disk drives |
| 10/21/1997 | US5680271 Control device of the disk apparatus for positioning a head on a disk |
| 10/21/1997 | US5680270 Floppy disk apparatus which adjusts gain conforming to operation of carriage |
| 10/21/1997 | US5680269 Method and apparatus for controlling media linear speed in a helical scan recorder by reading servo information just after writing the servo information |
| 10/21/1997 | US5680265 Circuit for detecting contact of MR head with disk surface |
| 10/14/1997 | US5677904 Disc player |
| 10/14/1997 | US5677899 Method for moving carriage assembly from initial position to target position relative to storage medium |
| 10/14/1997 | US5677814 Head feeding mechanism |
| 10/14/1997 | US5677809 Digital servo control system for use in disk drives, having state space observer including integral compensator |
| 10/14/1997 | US5677808 System and method for controlling a seek operation in a disk drive |
| 10/14/1997 | US5677805 Apparatus for determining the dynamic position and orientation of a transducing head relative to a storage medium |
| 10/14/1997 | US5677803 Apparatus for recording data signals and a signal having a repetitive frequency to a recording medium and/or for reproducing the data signals therefrom |
| 10/14/1997 | US5677609 Intelligent servomechanism controller |
| 10/14/1997 | US5676304 Method of bonding a contact-type thin film magnetic head element to a supporting beam |
| 10/08/1997 | EP0800128A2 Motor control apparatus, motor control method, disk apparatus and disk access method |
| 10/08/1997 | EP0799479A1 Disk storage device |
| 10/08/1997 | EP0799478A1 A system and method for controlling a seek operation in a disk drive |
| 10/08/1997 | EP0799477A1 Magnetic head sub-ambient air pressure slider for a disk drive device or the like |
| 10/08/1997 | EP0799476A1 A partially etched protective overcoat for a disk drive slider |
| 10/08/1997 | EP0799475A1 A method for determining an outer diameter rolloff in a process for making magnetic disks |
| 10/07/1997 | US5675563 Track access method and apparatus therefor |
| 10/07/1997 | US5675560 Information recording/reproducing apparatus with function of seeking light beam to target position, and method therefor |
| 10/07/1997 | US5675558 Seeking control apparatus and method for disk drives, using slew-rate limit for control output |
| 10/07/1997 | US5675462 Disk used for calibrating floating height of protrusion detection head, method of calibrating floating height of protrusion detection head using the disk and glide tester using the method |
| 10/07/1997 | US5675458 Magnetic recording/reproducing apparatus with independently tiltable head drum and tape lead guide |
| 10/07/1997 | US5675456 Acoustic vibration decoupler for a disk drive pivot bearing assembly |
| 10/07/1997 | US5675455 Rotary actuator for disk drive |
| 10/07/1997 | US5675454 Floating type magnetic head apparatus |
| 10/07/1997 | US5675450 Digital servo control system for use in disk drives using driver saturation model |
| 10/07/1997 | US5675446 Method of controlling magnetic disk unit based on version data |
| 10/01/1997 | EP0798708A2 Disc drive unit |
| 10/01/1997 | EP0798698A2 Apparatus for positioning magnetic head and method of the same |
| 10/01/1997 | EP0798697A1 Improved actuator apparatus with plastic C-block |
| 09/30/1997 | US5673244 Disk loading and magnetic head lifting mechanism using a single power source for a minidisk player |
| 09/30/1997 | US5673161 Low wear rate magnetic head slider with high recording density |
| 09/30/1997 | US5673110 Multiplexed laser interferometer for non-dispersed spectrum detection in a dynamic flying height tester |
| 09/30/1997 | US5672435 Hard disk drive components and methods of making same |
| 09/25/1997 | WO1997035303A1 Adjustable solder bump spacer for slider-suspension attachment |
| 09/25/1997 | WO1997035302A1 Planar head gimbal assembly for pico/nano slider |
| 09/25/1997 | CA2198436A1 Actuator apparatus with plastic c-block |
| 09/24/1997 | EP0797186A2 Magnetic disk device with dummy write function |
| 09/24/1997 | CN1160266A Adjustable solder bump spacer for slider-suspension attachment |
| 09/23/1997 | US5671197 Miniature magnetic disk device and voice coil actuator thereof |
| 09/23/1997 | US5671104 System and method for locking a disk actuator in vertical and horizontal directions |
| 09/23/1997 | US5671099 Magnetic recording apparatus with power conservation feature |
| 09/23/1997 | US5671048 Method and apparatus for rotary load/unload slider positioning |
| 09/17/1997 | EP0795864A2 Recording method and information medium for a plurality of longitudinal track bundles enabling tracking during recording and/or playback of track bundles |
| 09/17/1997 | EP0795856A2 Disc recording and/or reproducing apparatus |
| 09/17/1997 | EP0795172A1 Direct access storage device with magneto-resistive transducing head apparatus |
| 09/17/1997 | EP0795171A1 Method using matched filters for determining head positioner micro-jog in hard disk drive employing magneto-resistive heads |
| 09/17/1997 | CN1159862A Direct access stoarge device with magneto-resistive transducing head apparatus |
| 09/17/1997 | CN1159645A Method and apparatus for manufacturing information storage devices |
| 09/16/1997 | US5668790 Disk reproducing apparatus with plural disk trays |
| 09/16/1997 | US5668683 Counter balanced rotary airlock actuator latch assembly for disk drive |
| 09/16/1997 | US5668682 Head lift mechanism implemented in a removable magnetic disk drive |