Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
10/2003
10/15/2003CN1449559A Method and apparatus using track scan data to qualify heads based on pes linearity
10/15/2003CN1448941A Adjustable device of read-write head guide arm
10/15/2003CN1448940A Recording medium drive including head slider reliably preventing collision against recording medium
10/15/2003CN1448939A Suspension rack for disk drive
10/15/2003CN1448923A Press-in shaping method of guide thimble and press-in device
10/15/2003CN1448922A Method for adjusting optical reading head tilt angle of CD device
10/15/2003CN1448919A Suspension rack for disk drive
10/15/2003CN1448918A Suspension rack for disk drive
10/15/2003CN1124596C Swing arm driving type optical recording/reproducing apparatus
10/14/2003US6633521 Storage apparatus and servo recovery method of it
10/14/2003US6633457 Actuator assembly with orthogonal force generation
10/14/2003US6633456 Suspension, head suspension assembly, and disk drive apparatus
10/14/2003US6633455 Slider capable of reducing distance between head element and recording medium, and recording apparatus incorporating same
10/09/2003WO2003083871A1 Low flying head detection using readback signal amplitude modulation
10/09/2003WO2003083855A1 Information disc recorder/reproducer and method for controlling recording/reproducing speed
10/09/2003WO2003083318A1 Bearing
10/09/2003US20030189889 Driving mechanism for optical head of optical disc driver
10/09/2003US20030189795 Proximity latch mechanism using an impact rebound crash stop for an outside disk ramp loading disk drive
10/09/2003US20030189794 Head slider and disk drive employing same head slider, and method for providing water repellent treatment to same head slider
10/09/2003US20030189793 Magnetic head, and device and method for manufacturing the same
10/09/2003US20030189790 Device for reducing damage due to head slap within a hard disk drive
10/09/2003US20030188887 Integrated lead suspension and method of construction
10/08/2003CN1447971A Method and appts. for hynamically controlling flying behaviour and height of read/write head in storage device
10/08/2003CN1447964A Method and position control for servo system for positioning head laterally with respect to defined servo tracks
10/08/2003CN1447334A Hard disk driver with disk vibration damping unit
10/08/2003CN1447319A Guidance axis height regulating mechanism and CD device
10/08/2003CN1447310A Actuator of hard disk driver
10/08/2003CN1123871C Feeder for optical head
10/07/2003US6631051 Magnetic head including a slider with a hole, a magnetic head core having a magnetic gap, and a winding wound around the magnetic head core
10/07/2003US6631046 Servo track writing using extended copying with head offset
10/07/2003US6631045 Method and apparatus for ramp loading in a hard disk drive using pulse width modulation
10/02/2003US20030184915 Recording medium drive including head slider reliably preventing collision against recording medium
10/02/2003US20030184914 Magnetic head
10/02/2003US20030184913 Ramp design for reducing read-write head track positioning errors
10/02/2003US20030184907 Method for boosting a disc drive motor stiction breakaway performance
10/02/2003US20030184905 Recording medium and apparatus for protecting copyrighted digital data
10/02/2003US20030184904 Recording medium and apparatus for protecting copyrighted digital data
10/02/2003US20030184899 Low flying head detection using readback signal amplitude modulation
10/02/2003US20030184191 Micro-actuator and method of producing the same
10/01/2003EP1349169A2 Hard disk drive having a disk fluttering reducing unit
10/01/2003EP1349155A2 Guide shaft height adjustment mechanism for disc drive
10/01/2003EP1349153A1 Recording medium drive and head slider
10/01/2003EP1349152A1 Hard disk drive having air flow accelerating device
10/01/2003EP1349150A1 Actuator for hard disk drive
10/01/2003CN2577492Y Rotary motor
10/01/2003CN1445871A Film piezoelectric element and manufacturing method thereof and executive component using the piezoelectric element
10/01/2003CN1445754A Magnetic recording device and magnetooptical recording device
10/01/2003CN1123005C Method of writing tracking servo signal pattern for magnetic disk device
10/01/2003CN1122992C Optical disc drive apparatus
10/01/2003CN1122972C Rotary information recording/reproducing apparatus
09/2003
09/30/2003US6629089 Artificial neural network voice coil motor controller
09/30/2003US6628579 Storage apparatus
09/30/2003US6628575 Track jump method for ZCAV system and storage apparatus employing ZCAV system
09/30/2003US6628480 Magnetic head slider having optimized ratio of negative pressure recess to front step bearing
09/30/2003US6628475 Disk drive apparatus, hard disk drive, and enclosure for hard disk drive
09/30/2003US6628468 Low frequency signal baseline shift compensation in a disc drive
09/30/2003US6627094 Method of manufacturing thin film head
09/30/2003US6626291 Container for laser-readable discs with closure means
09/25/2003WO2003079355A1 Suspension for head slider
09/25/2003WO2002099790A3 Vertically-oriented servo track writer and method
09/25/2003US20030179659 Optical disc drive sharing switching device, method and associated application system
09/25/2003US20030179505 One piece interconnect from channel chip to head slider in a voice coil actuator for a disk drive
09/25/2003US20030179503 Actuator for hard disk drive
09/25/2003US20030179502 Magnetic head parking apparatus of hard disk drive
09/25/2003US20030179501 Head suspension for disk drive
09/25/2003US20030179493 Hard disk drive having disk fluttering reducing unit
09/25/2003US20030179492 Hard disk drive having air flow accelerating device
09/25/2003US20030179491 Hard disk drive having disk locking apparatus
09/25/2003US20030179484 Recording medium and apparatus for protecting copyrighted digital data
09/25/2003US20030179483 Recording medium and apparatus for protecting copyrighted digital data
09/25/2003US20030179479 Disk device and method of generating signal re
09/24/2003EP1346347A1 Head drum with magnetic mounting of rotary transformer
09/24/2003CN1444227A Device for opening and closing CD player cover
09/24/2003CN1444224A Method and device for driving mainshaft motor and voice coil motor in disk drive
09/24/2003CN1444212A Drive device of optical fetch head and its connecting device
09/24/2003CN1444205A Method and apparatus for controlling magnetic head position in magnetic disk drive
09/24/2003CN1122270C Optical disk tracking control device and method
09/24/2003CN1122269C Slider having terminated side rails with trailing edge cuts
09/24/2003CN1122267C Disc drive unit
09/24/2003CN1122265C Magnetooptic disk player
09/23/2003US6624984 Fly height control slider with crown and cross curve de-coupling
09/23/2003US6624982 Magnetic disk recording apparatus
09/23/2003US6624981 Micrometric actuation, hard disk read/write unit with a flexure and microactuator formed in a monolithic body of semiconductor material
09/23/2003US6624977 Data storage system with slider having variable hardness pad
09/23/2003US6624964 Method and apparatus for reducing seek acoustics in disk drives for AV systems
09/23/2003US6624553 Head suspension assembly for magnetic disk drives
09/18/2003WO2003077251A1 Disk drive device
09/18/2003US20030174636 Guidance of an optical scanning device
09/18/2003US20030174626 Device for opening and closing lid of optical disk player
09/18/2003US20030174433 Power-efficient seek operations in hard disk drive
09/18/2003US20030174432 Method and apparatus for head positioning control in a disk drive
09/18/2003US20030174430 Magnetic disk apparatus
09/18/2003US20030174429 Detecting head landings on a data zone of a data storage disc
09/18/2003US20030174428 Method of and apparatus for driving a spindle motor and a voice coil motor in a disk drive
09/17/2003EP1345226A1 Suspension and disk device
09/17/2003EP1345225A1 Recording medium drive device
09/17/2003EP1345215A2 Optical disc apparatus accessing method and system therefor
09/17/2003CN1121686C Driving mechanism for picking up device
09/16/2003US6621663 Magnetic-head supporting mechanism
09/16/2003US6621661 Write/read head supporting mechanism including a microactuator and a slider connected to a ground region of a suspension