Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
09/1996
09/12/1996CA2214435A1 Head park mechanism in a data storage device for preventing accidental damage
09/12/1996CA2214412A1 Magnetic read/write head assembly configured with bleed slots passing through rails to stabilize flexible medium while attaining low fly heights with respect thereto
09/10/1996US5555146 Anti-rotation air vane inertia latch
09/10/1996US5555145 Floating head slider with a magnetic head integrated therein
09/10/1996US5555139 Dual track servo system with position interpolation
09/10/1996US5553374 Apparatus for separating a transducer carrying arm from a support arm
09/06/1996WO1996020472A3 System and method for encoding a servo address
09/05/1996DE19606476A1 Write-read head position detection method for disk recording system
09/04/1996EP0494869B1 Disk drive system using multiple embedded quadrature servo fields
09/04/1996CN1130436A System architecture for HDD
09/03/1996US5553054 Coarse position sensor, and method for locating same, in an optical disk drive
09/03/1996US5553042 Optical disk recording device
09/03/1996US5553037 Magneto-optical recording-reproducing system in which a magnetic head bottom surface roughness is related to a recording medium protective film surface roughness
09/03/1996US5552950 Direct access storage device with magneto-resistive transducing head apparatus and a common read return signal line
09/03/1996US5552948 Disk drive having a lifting member
09/03/1996US5552945 Transducer recalibration system and method for a rotating disk data storage
09/03/1996US5552884 Calibration standard for flying height tester having a head mounted on a multilevel surface transparent disc
09/03/1996US5551997 Having a nondendritic microstructure
08/1996
08/28/1996EP0729006A2 Information processing apparatus with probe undergoing circular motion
08/28/1996EP0728355A1 High temperature head slider geometry control for contact or near contact recording
08/28/1996EP0728354A1 Disk drive architecture for automated assembly
08/28/1996EP0728353A1 Stackable actuator assembly
08/27/1996US5550695 Magnetic disk apparatus including magnetic head unloading mechanism
08/27/1996US5550691 For storing and reproducing digital information
08/27/1996US5550447 Pulse generating system responding to instruction pulses for generating driving pulses for diving motor
08/27/1996US5549211 Method of producing magnetic disk
08/22/1996WO1996018749A3 Hard disk drive components and methods of making same
08/20/1996US5548575 Transverse control device for optical head having a pulse-driven coarse positioning actuator and a precision actuator
08/20/1996US5548569 Tracking traverse control circuit for head unit of disc player
08/20/1996US5548568 Optical-information-recording apparatus having fine and rough driving control
08/20/1996US5548452 Circuit in a controller
08/20/1996US5546649 Assembly method of carriage assembly of magnetic disk drive
08/15/1996WO1996024931A1 Recording/reproduction apparatus
08/14/1996EP0726572A1 Optical disk and optical disk drive device
08/14/1996EP0726564A1 Optical disc system
08/14/1996EP0725966A1 Magnetic parking device for disk drive
08/13/1996US5546252 Thin and small-sized flexible disc unit
08/13/1996US5545989 Non-destructive in-situ landing velocity determination of magnetic rigid disk drives using back EMF from the spindle motor during shutdown
08/07/1996EP0725393A1 Position sensor
08/07/1996EP0725390A2 Suspension assembly structure and method for a disk drive system
08/07/1996EP0725389A2 Method of bonding a contact-type thin film magnetic head element to a supporting beam
08/07/1996CN1128390A Magnetic head device for magnetro-optical recording
08/07/1996CN1128388A Disk reproducing apparatus
08/07/1996CN1128386A Apparatus and method for providing multimedia data
08/06/1996US5544134 Optical disk apparatus for reading data from zones of an optical disk using different frequency clocks
08/06/1996US5543987 Head carriage device having applying force means disposed within pillar portion
08/06/1996US5543986 Disk drive with shock-resistant rotary actuator
08/01/1996WO1996023305A1 Dual identification for data fields of a disk drive
08/01/1996WO1996023300A1 Compliant anchor for securing disk drive actuator bearing
08/01/1996WO1996023273A1 A device for releasably securing a read and/or write head
08/01/1996CA2211559A1 A device for releasably securing a read and/or write head
08/01/1996CA2211092A1 Compliant anchor for securing disk actuator bearing
07/1996
07/31/1996EP0724255A1 Optical disc system
07/31/1996EP0723697A1 Flex circuit vibration sensor
07/31/1996EP0701632A4 Aluminum alloys containing beryllium and investment casting of such alloys
07/31/1996CN1127918A Actuator arm assembly with self-locking arm
07/30/1996US5541791 Air guide for an aerodynamic actuator latch within a disk drive
07/30/1996US5541790 Single point magnetic contact latch assembly
07/30/1996US5541789 Magnetic recording apparatus with magnetic head on slider having applied load larger than buoyant force acting on slider so that gap between magnetic head and magnetic disk is smaller than total thickness of protective layer and lubricating layer on disk
07/30/1996US5541785 Magnetic disk apparatus with improved positioning control of magnetic head
07/30/1996US5541783 Disk recording medium and disk drive unit wherein the product of the number of servo areas and the recording/reproduction mode switching time of the head amplifiers is 1200 or less
07/26/1996CA2167549A1 Optical disc system
07/25/1996WO1996022600A2 Fm detection of slider-disk interface
07/25/1996WO1996022596A2 Non-destructive in-situ landing velocity determination of magnetic rigid disk drives
07/24/1996EP0722557A1 Method and apparatus to calibrate intensity and determine fringe order for interferometric measurement of small spacings
07/24/1996CN1127407A Device for replay disc information
07/23/1996US5539795 Sector pulse generating apparatus for multiple zone recording of a disk memory
07/23/1996US5539724 Optical disk having wobbled, discontinuous grooves
07/23/1996US5539597 Press-fit glueless bearing pivot assembly for a rotary actuator
07/23/1996US5539596 Integrated suspension, actuator arm and coil assembly with common structural support layer
07/23/1996US5539595 Structure and enclosure assembly for a disk drive
07/18/1996WO1996021927A1 Disk drive stiction release system
07/17/1996EP0722166A1 Recording information on an optical disc without using pre-manufactured tracks
07/17/1996CN1126875A Disc player
07/17/1996CN1126874A Servo-writing system for use in a data recording disk drive
07/16/1996US5537273 Speed and skew independent, air bearing slider
07/16/1996US5537270 Disk drive apparatus
07/16/1996US5537264 Method for optimally selecting media transfer rates for different data heads based on individual data head performance
07/10/1996EP0721187A2 Exchangeable storage apparatus, recording medium drive actuator, head drive actuator, and recording medium cartridge
07/10/1996EP0721184A2 Improvements in self-servowriting timing pattern generation
07/10/1996EP0721181A2 Rotary-type information recording/reproducing apparatus
07/09/1996US5535190 Driver system for an updatable optical storage-media
07/09/1996US5535183 Optical disk reproducing device and its seek operation method
07/09/1996US5535076 Head driving device having a plurality of pins arranged for engagement with lead screw
07/09/1996US5535075 Sliding-type magnetic head for magnetooptical recording
07/09/1996US5535073 Tribo-attractive contact data storage system
07/09/1996US5535069 Very high-density diskette format method and computer-implemented process
07/09/1996US5534758 Optical disk drive circuit and optical disk drive device using the same
07/09/1996CA2071453C Slider air bearing surface with angled rail configuration
07/09/1996CA2050152C Transducer head skew arrangement for disk drive system
07/04/1996WO1996020475A1 Disk storage device
07/04/1996WO1996020472A2 System and method for encoding a servo address
07/03/1996CN1125964A Beryllium-containing alloys of aluminum and semi-solid processing of such alloys
07/03/1996CN1125963A Aluminum alloys containing beryllium and investment casting of such alloys
07/02/1996US5532991 Recording and/or reproducing apparatus and method of controlling same
07/02/1996US5532989 For controlling the position of a lens
07/02/1996US5532891 Disk drive apparatus
07/02/1996US5532889 Winchester drive card including an actuator arm body, actuator arm plates, and a VCM magnet external to a controlled environment
06/1996
06/27/1996WO1996019804A1 A system and method for controlling a seek operation in a disk drive
06/27/1996WO1996019803A1 A partially etched protective overcoat for a disk drive slider