Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 21 - Head arrangements not specific to the method of recording or reproducing
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
09/2003
09/16/2003US6621651 Passive actuator for assisting commutational ramp loading
09/12/2003WO2003075270A1 Disk driving device
09/12/2003WO2002047083A3 Servo data detection with improved phase shift tolerance
09/11/2003US20030169650 Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error
09/11/2003US20030169648 Disk device, and disk changing method for disk device
09/11/2003US20030169536 Recording medium drive capable of avoiding damages or recording medium
09/11/2003US20030169526 Dynamic method and apparatus for controlling head fly characteristics in a disk drive
09/10/2003EP1343165A1 Disk type recording and reproducing device
09/10/2003CN1441897A Apparatus and method for checking of forces
09/10/2003CN1441434A Disc storage equipment and control method for disc storag equipment
09/10/2003CN1120792C Hard disc drive head tray
09/09/2003US6618219 Method and apparatus for feedforward cancellation using a peak detector
09/09/2003US6618215 Low amplitude skip write detector
09/09/2003US6617817 Electrical time constant compensation method for switched, voltage-mode driver circuit
09/09/2003US6617763 Piezoelectric actuator set for head assembly
09/09/2003US6617762 Microactuator device with a countermeasure for particles on a cut face thereof
09/04/2003US20030165033 Head support device and recording regenerator having this head support device
09/04/2003US20030165032 Disk drive
09/03/2003EP1340226A1 Optical disc apparatus and adjusting method therefor and entertainment apparatus
09/03/2003CN1440552A Flexible air bearing design system with independent profile mapping and height field definition for mask tiers
09/03/2003CN1440025A Disc devices
09/03/2003CN1120492C Magnetic recorder and magnetooptical recorder
09/03/2003CN1120396C Control system, driving system and control method, appts, including driving system
09/02/2003US6614624 Suspension and head gimbal assembly with the suspension
09/02/2003US6614623 Disc drive head supporting mechanism having power supply pads for an integrated circuit which are of a greater area than signal/control junction pads
09/02/2003US6614608 Buried servo patterned media
09/02/2003US6614607 Servo pattern recording method and system
08/2003
08/28/2003US20030161223 Head transfer apparatus, head transfer method, and reproducing apparatus
08/28/2003US20030161074 Head suspension for disk drive
08/28/2003US20030161073 Head suspension for disk drive
08/28/2003US20030161066 Disk drive
08/28/2003US20030161065 Method and apparatus for controlling the actuator of the head-positioning system provided in a disk drive
08/27/2003EP1339058A2 Apparatus for recording information and method for retracting the head
08/27/2003EP1339056A2 Data recording medium and apparatus with copy permission information
08/27/2003EP0740830B1 Disk drive employing adaptive read/write channel for optimizing head-media-channel performance
08/27/2003CN2569283Y Inertia locking device
08/27/2003CN2569282Y Magnetic head dynamic read-and-write device
08/27/2003CN2569281Y Air bearing slide block and universal joint device
08/27/2003CN1439158A Disc drive with improved head pitch adjustment
08/27/2003CN1438648A Actuator support device of hard-disc driver
08/27/2003CN1438627A Magnetic head slider and magnetic disc device set with magnetic-head slider
08/27/2003CN1119806C Method for manufacturing magnetic head slider
08/26/2003US6611404 Disk apparatus having voice coil motor with two coils having different numbers of turns
08/26/2003US6611400 Texture structure for optimizing head disc interface
08/26/2003US6611140 Magnetic sensing unit for detecting nanometer scale displacements or flections
08/26/2003US6611123 Servo control apparatus and gain adjusting method
08/26/2003US6611118 Magnetic disk drive and voice coil motor drive circuit
08/26/2003US6610556 Method for manufacturing a microintegrated structure with buried connections, in particular an integrated microactuator for a hard-disk drive unit
08/21/2003WO2003069619A1 Ramp load device, and disk device using the device
08/21/2003US20030158052 Pivot assembly bearing
08/21/2003US20030156773 Pivot bearing assembly and a method of manufacturing the same
08/21/2003US20030156516 Optical disc apparatus
08/21/2003US20030156510 Digital servo control method, digital servo controller, storage device and head position control method
08/21/2003US20030156503 Randomized playback of tracks in a multimedia player
08/21/2003US20030156358 Actuator supporting apparatus of hard disk drive
08/21/2003US20030156355 Magnetic head, fabrication method therefor, and perpendicular magnetic storage device
08/21/2003US20030156347 Magnetic disk drive system
08/21/2003US20030156346 Head suspension for oscillation-type actuator
08/21/2003US20030155845 Thin film piezoelectric element and its manufacturing method
08/20/2003EP1336968A1 Actuator supporting apparatus of hard disk drive
08/20/2003CN1437186A Adjustable 3D laser detecting unit
08/20/2003CN1437185A 头滑动器悬架 Head slider suspension
08/20/2003CN1118809C Disk player
08/19/2003US6608809 Seek operation on different recording density regions based on the reflection of a boundary area
08/19/2003US6608731 Dynamic reduction of track shape errors in disc drives
08/19/2003US6608477 Apparatus and method for altering track scan data based on head width relative to data track width and determining the position error signal from the altered track scan data to qualify the head in a data storage device
08/19/2003US6608460 Method of driving head, head driving device and disc driving apparatus using the same method and device
08/19/2003US6608416 Motor and method of manufacturing the same
08/14/2003WO2003067589A1 Disc drive
08/14/2003WO2003067576A1 Head gimbal assembly with precise positioning actuator for head element, disk drive apparatus with the head gimbal assembly, and manufacturing method of the head gimbal assembly
08/14/2003WO2003067575A1 Head gimbal assembly with precise positioning actuator for head element and disk drive apparatus with the head gimbal assembly
08/14/2003US20030152016 Lower inertial compact disk driving device
08/14/2003US20030151997 Optical disk drive and method for controlling movement of optical pickup
08/14/2003US20030151854 Head assembly and drive system adopting the same
08/14/2003US20030151846 Magnetic recording and reproducing apparatus and magnetic recording medium
08/14/2003US20030151845 Head carriage assembly drive system and disk drive
08/13/2003EP1335368A2 Data recording medium and apparatus with copy permission information
08/13/2003EP1335367A2 Data recording medium and apparatus with copy permission information
08/13/2003EP1335143A2 Pivot bearing assembly and a method of manufacturing the same
08/13/2003CN1435821A Disk device
08/13/2003CN1435820A Mechanism for careful tracking head recorded and reproduced on disk and disk drive with same
08/13/2003CN1435819A Method and apparatus for controlling actuator of read/write head location system of drive
08/13/2003CN1435818A Method for adjusting suspension surface shape of slide block suspended on recording medium
08/13/2003CN1118055C Optical disk drive device and method for control of optical disk drive
08/13/2003CN1118050C Recording medium driving apparatus and method
08/12/2003US6606282 Long seek control system and method in an optical storage device
08/12/2003US6606224 Cartridge bearing with frictional sleeve
08/12/2003US6606217 Head control unit in a disk apparatus
08/12/2003US6606215 Compensation for repeatable runout error
08/12/2003US6604989 Manufacturing method and apparatus for magnetic head sliders
08/07/2003US20030148715 Apparatus for finishing a magnetic slider
08/07/2003US20030147181 Head gimbal assembly with precise positioning actuator for head element and disk drive apparatus with the head gimbal assembly
08/07/2003US20030147179 Disk drive device, actuator lock mechanism, inertia latch mechanism and inertia lever
08/07/2003US20030147178 Suspension structure
08/07/2003US20030147177 Head gimbal assembly with precise positioning actuator for head element, disk drive apparatus with the head gimbal assembly, and manufacturing method of the head gimbal assembly
08/07/2003US20030147170 Magnetic storage device having a head suspension supporting a head slider
08/07/2003US20030146766 Method and apparatus for measuring half frequency whirl in a spindle motor
08/06/2003EP1333432A1 Disk device
08/06/2003EP1333428A1 Mechanism for fine tracking a head that records on and reproduces from a disc, and disc drive having the mechanism
08/06/2003CN1434972A Reducing actuator arm oscillation during settle mode in disc drive servo system
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