Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
06/2002
06/05/2002CN1352795A Disk unit
06/05/2002CN1086043C Method for overcoming static friction between magnetic head and disc in magnetic-disc driver and disc driver
06/04/2002US6400533 Disc drive actuator latch system for high rotational shock
06/04/2002US6400532 Recording head suspension with coupled dimple and channel
06/04/2002US6400531 Slider having an opposing surface to a medium, at least one magnetic conversion element supported by the slider, a protective film comprised of a sin film, and a surface-lubricous layer,
06/04/2002US6400528 Magnetic head
06/04/2002US6399899 Suspension board with circuit
06/04/2002US6397699 Oscillating actuator
06/04/2002US6397455 Method for forming a one-piece flexure for small magnetic heads
05/2002
05/30/2002WO2002043059A1 Optical disc apparatus and adjusting method therefor and entertainment apparatus
05/30/2002WO2001073927A3 Linear voice coil actuator with compensating coils
05/30/2002US20020063999 Head assembly, disk drive apparatus, hard disk drive and method for manufacturing disk drive apparatus
05/30/2002US20020063997 Base plate for suspension of a disc drive
05/30/2002US20020063995 Disc head slider having profiled convergent channel features
05/30/2002US20020063994 Magnetic head having raised element and magnetic head apparatus using the same
05/30/2002US20020063990 Disk drive apparatus, hard disk drive, filter, and method for inspecting disk drive apparatus
05/30/2002US20020063989 Suspension sense capability for windage control
05/30/2002US20020063988 Electronic apparatus with an apparatus for protecting a movable section and method of protecting the movable section of the electronic apparatus
05/30/2002US20020063982 Decision error compensation technique for decision-directed timing recovery loop
05/30/2002CA2395850A1 Optical disc apparatus and adjusting method therefor and entertainment apparatus
05/29/2002EP1209666A1 Assembly method for a voice coil motor
05/29/2002EP1209665A2 Electronic apparatus with an apparatus for protecting a movable section and method of protecting the movable section of the electronic apparatus
05/29/2002EP0760509B1 Disk apparatus and disk access method
05/29/2002DE10156383A1 Plattenlese-Steuerungsvorrichtung, Verfahren dafür und Computerprogrammprodukt zur Plattenlese-Steuerung Disk read-control device, method thereof, and computer program product for disk read controller
05/29/2002CN1351400A Overload circuit protector
05/29/2002CN1351348A Disc drive, rigid disc drive and casing for rigid disc drive
05/29/2002CN1351347A Code servo address system and method
05/29/2002CN1351345A Code servo address system and method
05/28/2002US6396666 Disk drive actuator arm with differential load beam base support
05/28/2002US6396664 Negative pressure air bearing slider
05/28/2002US6396663 Head slider and recording disk drive
05/28/2002US6396662 High/low density magnetic head slider with lateral incision
05/28/2002US6396661 Magnetic disk drive capable of preventing stiction of magnetic head
05/28/2002US6396654 Embedded servo writing method and apparatus for hard disk drive
05/28/2002US6396653 Apparatus and method for reduction of idle-mode acoustics in a disc drive
05/28/2002US6396652 Apparatus and method for control head unloading on power down in a disk drive
05/28/2002US6396234 Servo control apparatus and servo control method
05/28/2002US6396174 Method for manufacturing a microintegrated structure with buried connections, in particular an integrated microactuator for a hard-disk drive unit
05/23/2002WO2002041318A1 Head slider, disk device comprising the same, and method of water repellent finishing of the head slider
05/23/2002WO2002016517A3 Fluoroalkyl (meth)acrylate copolymer coating compositions
05/23/2002US20020060977 Optical disc apparatus and adjusting method therefor and entertainment apparatus
05/23/2002US20020060966 Disc reading control apparatus, method thereof and computer program product for controlling disc reading
05/23/2002US20020060886 Hard disk drive apparatus
05/23/2002US20020060883 Hard disk drive with load/unload capability
05/23/2002US20020060882 Base plate structure, transfer system, and method and apparatus for assembling a head gimbal assemly
05/23/2002US20020060881 Disc head slider having air bearing pressure relief features
05/23/2002US20020060871 Magnetic hard disk drive
05/23/2002US20020060539 Motor-control device enabling the rotational speed of the motor's rotor to be measured
05/23/2002US20020059717 Method of assembling micro-actuator
05/22/2002EP1207618A1 Circuit for the speed recovery of a direct current motor and method using said circuit
05/22/2002CN1350300A Rotary locating stand
05/22/2002CN1085375C Loading apparatus of memory medium and recording and/or reproducing apparatus
05/22/2002CN1085371C Pickup adjusting device in optical disk player
05/22/2002CN1085370C Pickup adjusting apparatus of disk player
05/21/2002US6393511 Multi-track density direct access storage device
05/21/2002US6392966 Feed velocity control apparatus for controlling the movement of information reading point of disc player
05/21/2002US6392848 Head carriage assembly and disk device incorporating thereof
05/21/2002US6392847 Disk apparatus with special coils for voice coil motor
05/21/2002US6392845 Magnet design for active damping of disk drive actuator
05/21/2002US6392843 Locking hinge anti-shock disc drive suspension
05/21/2002US6392834 Concentric spacing of virtual data tracks using run-out compensation
05/21/2002US6392375 Method of driving with high precision a voice coil motor and related architecture
05/21/2002US6391741 Fabrication process for microstructure protection systems related to hard disk reading unit
05/21/2002US6389684 Swaging flexures to E-block arms
05/16/2002WO2002039435A1 Disk device
05/16/2002US20020057643 Disc reproducing apparatus
05/16/2002US20020057631 Fringing field focus motor and mechanism for optical disk drive
05/16/2002US20020057630 Optical disc device
05/16/2002US20020057535 Head arm assembly, disk apparatus with head arm assembly and manufacturing method of head arm assembly
05/16/2002US20020057533 Recording disk drive
05/16/2002US20020057532 Magnetic disk drive
05/16/2002US20020057521 Apparatus and method to improve read/write speed of disk drive system
05/16/2002US20020057518 Control method and apparatus of magnetic disc device, recording medium, and inspection method and apparatus of magnetic disc device
05/16/2002US20020057509 Method of servo writing for magnetic recording system, magnetic recording system
05/15/2002EP1205911A2 The method of servo writing for magnetic recording system, magnetic recording system
05/15/2002CN1349643A Buried servo patterned media
05/15/2002CN1349301A Electric motor control device able to measuring rotary speed of rotator of electric motor
05/15/2002CN1084908C Method and apparatus for tracing controlling in video tape recorder
05/14/2002US6389384 Servo processor code evaluation using a virtual disc drive
05/14/2002US6388971 Disc recording and/or reproducing apparatus and disc reproducing apparatus
05/14/2002US6388876 Computer enclosure incorporating pivotable drive bracket
05/14/2002US6388843 Suspension for disc drive
05/14/2002US6388840 Suspension having a head IC mounting portion formed on a rigid portion between a base portion and a head slider mounting portion
05/14/2002US6388836 Magnetic shield for a tape drive read/write head
05/14/2002US6388832 Method and system for providing spindle motor control for head loading in a disk drive
05/14/2002US6388413 Head switch seek on disc drives with multiple recording heads
05/14/2002US6388201 Wired circuit board
05/10/2002WO2002037496A1 Slider and disk device
05/10/2002WO2002037479A1 Cartridge bearing with frictional sleeve
05/09/2002US20020054560 Transducer and method for reading and writing data from and to a medium
05/09/2002US20020054459 Method of producing magnetic head
05/09/2002US20020054457 Head carriage assembly and disk device incorporating thereof
05/09/2002US20020054452 Floppy disk dirve control apparatus capable of ensuring seek operation using a stepping motor having a low torque
05/09/2002US20020054450 Seek trajectory adaptation in sinusoidal seek servo hard disk drives
05/09/2002US20020054449 Apparatus for developing a dynamic servo signal from data in a magnetic disc drive and method
05/09/2002US20020054448 Method and apparatus for head positioning control in disk drive
05/09/2002US20020054447 Magnetic disk apparatus and method of controlling the same
05/09/2002US20020054444 Process management method using servo track writer
05/09/2002US20020053137 Method and apparatus for manufacturing slider
05/08/2002EP1204153A2 Bonding of piezoelectric element and electrode for microactuator