Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
08/2002
08/06/2002US6429996 Method and apparatus for head-positioning control, for use in a disk drive
08/06/2002US6429994 Method and apparatus for providing servo gain linearization for a magneto-resistive head
08/06/2002US6428658 Method for manufacturing magnetic head suspensions and method for inspecting metal substrates for magnetic head suspensions
08/01/2002WO2002059886A1 Information disk recording/reproducing device, and method for detecting vibration of information disk recording/reproducing device
08/01/2002WO2002059885A1 Positioning control for read and/or write head
08/01/2002WO2002059883A2 Adjustable fly height control using an adjustable head actuator assembly
08/01/2002WO2002059880A2 Integrated electrostatic slider fly height control
08/01/2002WO2002059504A1 Feed screw driver and information recorder/reproducer
08/01/2002US20020101814 Support mechanism and feeding unit including same
08/01/2002US20020101793 Method of searching for a boundary position between a recorded region and an unrecorded region of a recording disc, and information recording apparatus
08/01/2002US20020101792 Control system and method for controlling the sled of the optical storage device by using stepping motor
08/01/2002US20020101682 Method and apparatus for limiting actuator coil temperature
08/01/2002US20020101679 Information storing device and method for controlling same to record/reproduce information by selecting one of working modes
08/01/2002US20020101131 Moving member for surface acoustic wave actuator and surface acoustic wave actuator using same
08/01/2002US20020100609 Junction flexible wiring circuit board
07/2002
07/31/2002EP1141957B1 A method of controlling the speed of an arm of a disk drive
07/30/2002US6426845 Asynchronous analog demodulator and method for a null-type servo pattern
07/30/2002US6426844 Method and apparatus for phase modulated servo positioning in a direct access storage device
07/30/2002US6426843 Settle time estimator feedback for rotational position reordering in data storage devices
07/25/2002WO2002011142A3 Disk head slider having cavities for increasing contact stiffness and controlling suction center movement
07/25/2002US20020097642 Optical disc apparatus
07/25/2002US20020097521 Hard disk drive head-media system having reduced stiction and low fly height
07/25/2002US20020097517 Integrated electrostatic slider fly height control
07/25/2002US20020097516 Method and apparatus for predicting a head crash in a disc drive
07/25/2002US20020097514 Adjustable fly height control using an adjustable head actuator assembly
07/25/2002US20020097513 Write head collision detection using MR read element in disc drives
07/25/2002US20020096967 Micro-electromechanical structure resonator, method of making, and method of using
07/25/2002US20020095734 Head for automatic toothbrushes
07/25/2002DE10202297A1 Optical disk apparatus has servo processor which performs braking based on speed of lens as it crosses pervious track while moving to target track
07/24/2002EP1225569A2 Disk device
07/24/2002EP1224997A1 Method and device for frictional connection, and holding tool used for the frictional connection device
07/24/2002CN1360310A Method for detection of rotating shock momentum generated by harddisk rotating
07/24/2002CN1088242C Method and device for replaying information recorded on disc-shaped recording medium
07/23/2002US6424504 Microactuator, magnetic head device, and magnetic recording apparatus
07/23/2002US6424502 Roll-stabilized head lifting apparatus and method for a data storage device
07/23/2002US6424501 Disk drive ramp structure having integrated discrete rigid support elements for data storage device
07/23/2002US6424498 Shock resistant suspension limiter for a disc drive
07/23/2002US6424497 Suspension load beam mounting system
07/23/2002US6424495 Flying head slider and recording disk drive employing the same
07/23/2002US6424494 Flying head slider having rail narrowed near trailing end
07/23/2002US6424493 Hard disk drive magnetic head air bearing surface design for preventing particulate contamination thereon
07/23/2002US6424486 Method and apparatus for positioning a read/write head of a hard disk drive
07/23/2002US6424476 Method and apparatus for controlling read and write operations in a storage device
07/23/2002US6423938 Method for the electrical and/or mechanical interconnection of components of a microelectronic system
07/23/2002US6421908 Method of making shallow etch air bearing surface features for optimized transducer spacing
07/18/2002WO2002056305A2 Slider, head assembly, and disk drive unit
07/18/2002WO2002021528A3 Disc head slider having profiled convergent channel features
07/18/2002US20020094142 Pivot bearing
07/18/2002US20020093900 Disk cartridge and disk recording and reproducing apparatus
07/18/2002US20020093884 Digital audio recorder
07/18/2002US20020093771 Head suspension with compliant feature for component location
07/18/2002US20020093768 Disk device
07/18/2002US20020093761 Hard disk drive for perpendicular recording with transducer having submicron gap between pole tips
07/18/2002US20020093754 Real-time automatic loop-shaping for a disc drive servo control system
07/18/2002US20020093753 Method and apparatus for avoiding collision of head in disk drive
07/18/2002US20020093749 Support structure of a magnetic head and magnetic card reader
07/18/2002US20020093663 Rotation and translation measurement
07/17/2002CN1359522A Audio-visual disk drive optimized for response to an undatected synchronization field
07/17/2002CN1359515A Active damping of actuator beairng translational mode
07/17/2002CN1359105A System and method of coding servo address
07/17/2002CN1359104A Magnet head support structure
07/17/2002CN1359070A Equipment and method for supplying multimedia data
07/17/2002CN1087863C System and method for encoding servo address
07/17/2002CN1087858C Pickup adjusting apparatus of optical disk player
07/16/2002US6421209 Disk drive apparatus with head arm including rigid arm base and plate spring suspension
07/16/2002US6421208 Disk drive employing a voice coil motor comprising a yoke for generating a undirectional magnetic flux and a voice coil partially interacting with the undirectional magnetic flux
07/16/2002US6421207 Contact type magnetic disk drive
07/16/2002US6421198 Linearity compensation for a position error signal based on repeatable and non-repeatable run out in a disk drive
07/16/2002US6421197 Optimal reader/writer offsets and write fault thresholds in a disc drive
07/16/2002US6421191 Apparatus for driving an objective lens
07/11/2002WO2002054400A1 Recording device and a controller and control method for a recording device
07/11/2002WO2001041141A3 Disc head slider having recessed, trenched rails for reduced stiction
07/11/2002US20020089917 Pickup adjusting mechanism for a disc player
07/11/2002US20020089916 Suspension arm actuator
07/11/2002US20020089793 Magnetic head actuator having finely movable tracking device
07/11/2002US20020089791 Heat dissipation structures for integrated lead disk drive head suspensions
07/11/2002US20020089789 Slider, head assembly, and disk drive unit
07/11/2002US20020089778 Magnetic disk drive and the control method thereof
07/11/2002US20020089777 Driving circuit for piezoelectric actuators, in particular for a read/write transducer for hard disks
07/11/2002US20020089776 Disk unit
07/10/2002CN1358314A Audio-visual disk drive optimized for response to undetected synchronization field
07/10/2002CN1358312A 磁记录装置 Magnetic recording device
07/10/2002CN1358304A Method for carrying out track jump and playback device
07/10/2002CN1357880A Actuator, universal magnetic head assembly and their manufacture and disc drive
07/10/2002CN1357878A Magnetic head slipper and magnetic disk driver with said member
07/10/2002CN1087463C Magnetic head slider and magnetic disk apparatus having magnetic head slider
07/09/2002US6418097 Analog to digital converter assembly for normalizing servo error signals and multiplexing reference voltage inputs and digital outputs and improved optical drive system including same
07/09/2002US6417994 Swage plate with protruded walls to increase retention torque in hard disk applications
07/09/2002US6417992 Head assembly and disk drive
07/09/2002US6417986 Impact guard for limiting hard disk movement
07/09/2002US6417983 System for head positioning control in a disk drive
07/09/2002US6417982 System and method for identifying and filtering a head suspension assembly resonance frequency
07/09/2002US6417980 Magnetic data card servo writer
07/09/2002US6417979 Disk drive including strain transducer for detecting mechanical shock
07/04/2002WO2002052548A1 Head drum with magnetic mounting of rotary transformer
07/04/2002WO2002031827A3 Suspension sense capability for windage control
07/04/2002US20020085305 Method and apparatus for disk drive seek control
07/03/2002EP1220221A2 Eccentricity compensation apparatus based on frequency response characteristics of actuator of disk drive servo system
07/03/2002EP1220207A2 A magnetic disk drive and the control method thereof
07/03/2002EP1220206A1 Head drum with magnetic mounting of rotary transformer