Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
01/1996
01/24/1996CN1115543A Signal reproducing apparatus
01/24/1996CN1115475A Asynchronous digital PES demodulation disk drive servo control system
01/24/1996CN1115474A Asynchronous track code encodement and detection for disk drive servo control system
01/24/1996CN1115457A Magnetic disk unit
01/23/1996US5487055 Information recorder with tracking and seeking operations using low frequency tracking and lens position signals
01/23/1996US5486970 Cleaning apparatus for heads of data storage disks
01/23/1996US5486965 Rotary information recording/reproducing apparatus carriage actuator arrangement
01/23/1996US5486964 Miniature disk drive with dynamic head loading with skewed lifting tab
01/23/1996US5486963 Integrated transducer-suspension structure for longitudinal recording
01/23/1996US5486924 Method and apparatus for measurement of roughness and hardness of a surface
01/18/1996WO1996001470A1 Improved air bearing slider and head gimbal assembly
01/17/1996EP0393116B1 Servo pattern
01/17/1996CN1115090A Rotary actuator disk drive with identical dual-element read/write transducers
01/17/1996CN1115085A Control unit of disk apparatus
01/16/1996US5485445 Disc driving apparatus having means for placing a read record head at a predetermined position in the innermost region of a disc
01/16/1996US5485440 Optical information recording/reproducing apparatus comprising digital servo device for performing focusing and/or tracking of optical head based on digital information
01/16/1996US5485323 Method and apparatus for moving a disk drive actuator away from a magnetic latch
01/16/1996US5485322 Method and system for writing a clock track on a storage medium
01/10/1996EP0691649A2 Disk apparatus
01/10/1996CN1114769A Head slider supporting apparatus and information recording/reproducing apparatus using same
01/10/1996CN1114768A Viscoelastically damped slider suspension system
01/09/1996US5483507 Information recording and/or reproducing method and apparatus including head seek distance and direction control based on address information
01/09/1996US5483504 Head loading mechanism of disk apparatus
01/09/1996US5483438 For estimating a velocity of an object
01/09/1996US5483400 Disk drive apparatus
01/09/1996US5483399 Self-latching restraint for an actuator of a disk drive
01/09/1996US5483392 Magnetic recording and or reproducing apparatus and a recording medium thereof
01/04/1996WO1996000461A1 Actuator retraction circuit
01/03/1996EP0690442A2 Servo control system
01/03/1996EP0690441A1 Disk servo control
01/03/1996EP0690440A1 Bearing plate arrangement for supporting the rotary actuator of a disk drive
01/03/1996EP0689665A1 Method and apparatus to calibrate intensity and determine fringe order for interferometric measurement of small spacings
01/03/1996CN1114455A Inner diameter disk drive head/slider load/unload device
01/02/1996US5481528 Information processor and method using the information processor
01/02/1996US5481517 Track jump control means for a disk apparatus
01/02/1996US5481421 Magnetic disk driver capable of decreasing ingress of noise in a main surface of a main frame
12/1995
12/27/1995EP0689198A2 Hard disk drive transducer-slider having controlled contact bearing with controlled pitch and roll
12/27/1995EP0688975A1 Rack drive
12/26/1995US5479388 Servo control system for head recording and/or reproducing information on and/or from recording medium
12/26/1995US5478622 Magnetic disk
12/21/1995WO1995034407A1 Method and apparatus for blending air bearing sliders
12/20/1995EP0570416B1 Method of reducing access time
12/20/1995CN1113590A Information storing device and method for controlling same to record/reproduce information by selecting one of working modes
12/19/1995US5477522 Apparatus for controlling spindle motor of compact disc utilizing appliance
12/19/1995US5477404 Magnetic disk apparatus having a contact angle adjustment mechanism
12/19/1995US5477401 Magnet shield for disk drive
12/19/1995CA2017100C Magnetic latch for disk drive actuator
12/14/1995WO1995034070A1 Power saving method and apparatus for computer disk drives
12/13/1995EP0686971A2 Information storing device and method for controlling same to record/reproduce information by selecting one of working modes
12/13/1995EP0624305A4 Carrier strip head interconnect assembly.
12/12/1995US5475663 Information recording/reproducing apparatus
12/12/1995US5475544 Head positioning control device for a magnetic disk apparatus
12/12/1995US5475488 Head flying height measuring apparatus
12/07/1995WO1995033262A1 Servo-writing system for use in a data recording disk drive
12/06/1995EP0685844A1 Method and apparatus for ramp load and unload
12/06/1995EP0685838A2 Method of producing thin film elements
12/06/1995EP0685102A1 System for correcting transducer tangential skew in a dual actuator disk drive system
12/06/1995EP0444062B1 Magnetic parking device for disk drive
12/05/1995US5473587 Track retrieval system for optical disk
12/05/1995US5473489 Magnetic head positioner for a magnetic disk apparatus minimizing thermal offtrack
12/05/1995US5473482 Magnetic disk apparatus and method with actuator control using servo sector information read out at particular timings
12/05/1995US5473480 Disc-like recording medium and apparatus for producing it
12/05/1995US5473431 Interferometric flying height measuring device including an addition of a spacer layer
12/05/1995US5471735 De-swaging technique for head gimbal assembly
12/05/1995US5471734 Method for characterizing and controlling in-plane stiffness of load beam within head-gimbal assembly of a hard disk drive
11/1995
11/30/1995DE19515413A1 Motor regulator for optical or magnetic disc player
11/29/1995EP0684690A2 Stepping motor control system and recording apparatus using the same
11/29/1995EP0684608A1 Device for processing servo signals in a parallel architecture PRML reading apparatus for hard disks
11/29/1995EP0684596A1 Method of controlling seek movements by a magnetic head in a hard disk drive
11/29/1995EP0684595A1 Method for characterizing and controlling in-plane stiffness of load beam within head-gimbal assembly of a hard disk drive
11/29/1995CN1112714A Device for driving magnetic brasing coil head of small magnetic disc recording and playing set
11/29/1995CN1112712A Control circuit for disk player
11/29/1995CN1112708A Magnetooptic disk player
11/28/1995US5471447 Seek control for information storage disc drive
11/28/1995US5471444 Seek circuit for optical disc
11/28/1995US5471442 For reproducing a signal
11/28/1995CA2144403A1 Servo-writing system for use in a data recording disk drive
11/23/1995DE4417690A1 Rack gear assembly safety catch maintaining engagement
11/22/1995EP0683491A2 Transducer head solder connection
11/21/1995US5469425 Method of manufacturing an index apparatus
11/21/1995US5469421 Floppy disk drive device
11/21/1995US5469414 Positioning control system
11/21/1995US5469316 Actuator for magnetic disks and having a VCM support with a recess
11/21/1995US5469315 Magnetic head positioner for a magnetic disk apparatus with low load torque
11/21/1995US5469314 Miniature disk drive with dynamic head loading
11/16/1995WO1995031032A1 Swing-type actuator
11/16/1995WO1995030985A1 System for simultaneous storage and retrieval of data on a disk
11/16/1995CA2189767A1 Method and system for simultaneous storage and/or retrieval (storval) of a plurality of data on a disk means
11/15/1995CN1111795A Magnetic head drive for minidisk player
11/14/1995US5467238 Cleaning apparatus for heads of data storage disks
11/14/1995US5467236 Gapped flexure tongue for floating type magnetic head apparatus
11/08/1995EP0681287A2 Magnetic recording disk
11/08/1995EP0680655A1 System for allocating tasks between two actuators servicing the same magnetic disk media in a single disk drive
11/08/1995CN1111384A Pick-up transporting apparatus for a mini-disc player
11/07/1995US5465183 Control system for positioning head in disk device by estimating and correcting actuator parameters based on head position and actuator drive current obtained by vibrating the head
11/07/1995US5465182 Recording method of servo information
11/01/1995CN1111025A Method for writing servo signals onto a magnetic disk and magnetic disk drive equipped with magnetic disk(s) having servo pattern recorded by the method
10/1995
10/31/1995US5463515 Magnetic head supporting structure with a bearing fixed to a radially thin wall part of a sleeve located between an arm holder and the bearing
10/31/1995US5463512 Magnetic disk apparatus
10/31/1995US5463507 Information storage apparatus