Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
06/1996
06/27/1996WO1996019802A1 A method for determining an outer diameter rolloff in a process for making magnetic disks
06/27/1996WO1996019801A1 Magnetic head sub-ambient air pressure slider for a disk drive device or the like
06/26/1996EP0719056A2 Frequency folding information inserting circuit
06/26/1996EP0718840A2 Data recording medium and apparatus
06/26/1996EP0718832A1 Reproduction of optical discs
06/26/1996EP0718827A2 System and method for target track determination in a data storage disk drive
06/25/1996US5530686 Record carrier having a track including audio information and additional non-audio information, and apparatus for reading and/or reproducing certain of the information included in such a track
06/25/1996US5530607 Wing attachment for head load/unload in a data storage device
06/25/1996US5530606 For use in a data storage disk drive
06/25/1996US5530605 Magnetic-head slider support mechanism and magnetic recording apparatus
06/25/1996US5530604 Electrical connection and slider-suspension assembly having an improved electrical connection
06/25/1996US5530602 Disk drive micromotion starting apparatus and method
06/25/1996US5528819 Combination transducer/slider/suspension and method for making
06/25/1996CA2074708C Optical recording medium driving apparatus
06/24/1996CA2164885A1 One-sided, single platter hard disk with center parking features
06/20/1996WO1996018749A2 Hard disk drive components and methods of making same
06/19/1996EP0717400A1 Disk reproducing apparatus
06/19/1996EP0717399A2 Head tracking system in a disk drive
06/19/1996EP0717394A1 Head tracking system for a magnetic disk drive
06/19/1996EP0716769A1 Arcuate scan tape drive
06/18/1996US5528568 Device for detecting traveling speed of pickup
06/18/1996US5528437 Rotary inertia latch for latching a rotary actuator in a disk drive
06/18/1996US5528091 Swing-type actuator and device for locating terminal pins relative to coil for same
06/12/1996EP0716413A2 Magnetic head supporting mechanism and wiring structure therefor
06/12/1996EP0715757A1 Disk drive rotary actuator with rocking pivot
06/12/1996EP0491264B1 Magnetic disc
06/12/1996CN1124399A Timing based servo system for magnetic tape systems
06/11/1996USRE35269 Portable computer hard disk protective reflex system
06/11/1996US5526212 For indicating the condition of a disk drive apparatus
06/11/1996US5526211 Banded magnetic recording disk with equally-angularly-spaced servo sector
06/11/1996US5526208 Flex circuit vibration sensor
06/11/1996US5526206 Magnetic disk device with head lift system
06/11/1996US5526205 Transducer suspension system
06/11/1996US5524343 Press-fit glueless bearing pivot assembly
06/06/1996WO1996017342A1 Direct access storage device with magneto-resistive transducing head apparatus
06/05/1996EP0715299A2 Radial self-propagation pattern generation for disk file servowriting
06/05/1996EP0655960A4 Pneumatic hub locking device for etching optical servo tracks on magnetic disks.
06/04/1996US5523988 Optical pickup control apparatus
06/04/1996US5523912 Magnetic head positioner for magnetic disk apparatus which can prevent mechanical shock
06/04/1996US5523911 Minimum bearing load, high precision actuator arm with force couple actuation
06/04/1996US5523910 Recording/reproducing device having a bypassing pole electromagnetic actuator latch of low power requirement
06/04/1996US5523903 Sector architecture for fixed block disk drive
06/04/1996US5523901 System for correcting transducer tangential skew in a disk drive system having two actuators
06/04/1996US5523900 Head position detecting method and apparatus
06/04/1996US5523683 Induction sensor responsive to a displacement of a movable body
05/1996
05/30/1996WO1996016403A1 Loading apparatus of memory medium and recording and/or reproduction apparatus
05/29/1996EP0714096A1 Disc player
05/29/1996EP0714094A1 Magnetic head device and magneto-optical recording device
05/28/1996US5521892 Closed-loop control system and servo device of optical disk unit
05/28/1996US5521891 Speed detection apparatus, speed control motor, and track jump control circuit
05/28/1996US5521776 Magnetic disk drive with dust cleaning function
05/28/1996US5521774 Memory storage module for storing and accessing
05/28/1996US5521772 Disk drive with accerleration rate sensing
05/28/1996US5521770 Disc apparatus having a plurality of reading/recording head driving manners for disc track seeking movement
05/28/1996US5520981 Magnetic recording disk with overcoat thickness gradient between a data zone and a landing zone
05/23/1996WO1996015526A1 Transducer/flexure/conductor structure for electromagnetic read/write system
05/22/1996EP0713218A2 Method and architecture for optimizing the data zone on data carriers
05/21/1996US5519553 Coarse and fine head positioning apparatus which uses a slidable shaft for fine positioning
05/21/1996US5519552 Rotary disk storage unit and head suspension therefor
05/21/1996US5519546 Apparatus for, and methods of, recording signals in tracks on a memory member without using reference indices such as clock signals
05/21/1996EP0725966A4 Magnetic parking device for disk drive
05/21/1996CA2052225C Circuit for inserting and separating frequency folding information and method for generating thereof
05/17/1996WO1996014635A1 Method for increasing disk drive storage
05/15/1996EP0712128A1 Magnetic disc device, and method for assembling magnetic head supporting part therein
05/15/1996CN1122518A Method for formjing rows of partially separated thin film elements
05/15/1996CN1122502A Track seek method and device for use with optical information recording and reproducing apparatus
05/15/1996CN1122418A Seal for bearings in small angle oscillation applications
05/14/1996US5517483 Gear assembly for transporting a rotation force of a motor shaft to a lead screw
05/14/1996US5517482 Information recording/reproducing apparatus having fuzzy operating unit
05/14/1996US5517372 Rotating disk storage device with cooling air flow control
05/14/1996US5516323 Method and apparatus for blending air bearing sliders
05/12/1996CA2154917A1 Slider/suspension design for improved crown sensitivity
05/08/1996EP0710957A1 Air bearing slider and method of manufacture therefor
05/08/1996CN1122039A Optical disk reproducing device and its seek operation method
05/07/1996US5515349 Track seek method and device for use with an optical information recording and reproducing apparatus
05/07/1996US5515219 Simplified self-loading head slider
05/07/1996US5515212 Very high-density diskette format method and computer implemented process
05/02/1996DE19533758A1 Tracking procedure for magnetic disc drive equipment
05/01/1996EP0708967A1 System architecture for hdd
05/01/1996EP0708966A1 Improved transducer settle method for a hard disc drive
05/01/1996CN1121624A Write-once optical disc recording device
04/1996
04/30/1996US5513056 Magnetic head slider
04/25/1996WO1996012280A1 Motion limiters in a direct access storage device for preventing disk data zone and spindle bearing damage
04/25/1996WO1996012279A1 Apparatus for performing multiple functions in a data storage device using a single electro-mechanical device
04/25/1996WO1996012275A1 Flexures which reduce friction in an actuator for a data storage device
04/25/1996WO1996012274A1 Actuator for data storage device
04/25/1996WO1996012273A1 Head load/unload and cleaning in a data storage device
04/25/1996WO1996012272A1 Wing attachment for head load/unload in a data storage device
04/25/1996CA2203005A1 Flexures which reduce friction in an actuator for a data storage device
04/25/1996CA2203003A1 Apparatus for performing multiple functions in a data storage device using a single electro-mechanical device
04/25/1996CA2203002A1 Wing attachment for head load/unload in a data storage device
04/25/1996CA2202999A1 Actuator for data storage device
04/25/1996CA2202998A1 Head load/unload and cleaning in a data storage device
04/24/1996EP0707755A1 Swing-type actuator
04/24/1996CN1121237A Information recorded disk
04/23/1996US5511062 Looking slide drive for a disc scanner
04/23/1996US5510940 Ball spindle for reduced friction rotary actuator in disk drive
04/23/1996US5510939 Disk drive with adaptive positioning
04/23/1996US5509554 Sacrificial structure masking method for disk drive slider assemblies and sliders made thereby
04/18/1996WO1996011470A1 Synchronous detection of concurrent servo bursts for fine head position in disk drive