Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
12/2004
12/14/2004US6832382 Disk device, and disk changing method for disk device
12/14/2004US6831815 Head slider precise positioning actuator including a base section and a pair of movable arms
12/14/2004US6831814 Flexure design providing improved lift-off in a disk drive
12/14/2004US6831809 Rotary recording apparatus and method of controlling the apparatus
12/14/2004US6831808 Method and apparatus for determining track identity from abbreviated track identifying data in a disk drive data storage device
12/14/2004US6831807 Head positioner and disk drive using the same
12/14/2004US6831491 Systems and methods for correcting phase locked loop tracking error using feed-forward phase modulation
12/14/2004US6831249 Slider produced by slider curvature modification by substrate melting produced with a pulsed laser beam
12/14/2004US6829818 Manufacturing method of a head gimbal assembly
12/09/2004WO2004061617A3 Rotary actuator assembly for a rotatable media data storage device
12/09/2004US20040246831 Optical disk device capable of preventing collision between disk and objective lens, and control method thereof
12/09/2004US20040246625 Suspension assembly and rotary disk storage device
12/09/2004US20040246619 Repeatable runout estimation in a noisy position error signal environment
12/09/2004US20040246034 Reproduced signal waveform processing apparatus
12/08/2004EP1484750A1 Magnetic head supporting mechanism
12/08/2004CN1554084A Disk device
12/08/2004CN1553439A Transmission mechanism of optical head
12/08/2004CN1179329C Optica disk driver
12/08/2004CN1179326C Magnetic head and its manufacture method
12/07/2004US6829206 Information recording and reproducing method and information recording and reproducing device
12/07/2004US6829118 Optical rotational position information detecting apparatus
12/07/2004US6829115 Method and apparatus for measuring half frequency whirl in a spindle motor
12/02/2004US20040244023 Slider for an optical data writing/reading apparatus, and apparatus comprising such a slider
12/02/2004US20040244018 Optical head apparatus, optical head transferring method and optical disk apparatus
12/02/2004US20040244015 Optical disk drive
12/02/2004US20040240339 Positioning control device and positioning control method
12/02/2004US20040240337 Write control method
12/02/2004US20040240120 Rotary disk storage device
12/02/2004US20040240118 Wire support member and rotary disk storage device
12/02/2004US20040240117 Operating a proximity latch mechanism using an impact rebound crash stop for an outside disk ramp loading disk drive
12/02/2004US20040240114 Suspension of disc drive
12/02/2004US20040240102 Magnetic disk apparatus
12/02/2004US20040240101 Disk apparatus and head positioning method
12/02/2004US20040240099 Method of manufacturing an apparatus and a method for estimating the flyheight of an airbearing slider in a storage device
12/02/2004US20040240098 Falling sensor and the information processing device making use of it
12/02/2004US20040239315 Testing apparatus and a testing method
12/02/2004US20040238113 Precision attachment of printed circuit board to magnetic disk head; differentiating movement trajectory of suction heads along longitudinal direction without interfering with stepped portion
12/01/2004EP1482504A1 Method for tracking control
12/01/2004EP1482503A2 Disk apparatus and head positioning method
12/01/2004EP1482495A1 Disk driving device
12/01/2004CN1551214A Storage apparatus and storage medium
12/01/2004CN1551204A Optical pickup device
12/01/2004CN1551203A Method and system for detecting disk drive state
12/01/2004CN1551120A Apparatus and method of configuring the air bearing surfaces of sliders in disk drives
12/01/2004CN1551119A Repeatable runout (rro) compensation methods and apparatus for data storage devices
12/01/2004CN1178212C Information disk recording/reproducing device, and method for detecting vibration of information disk recording/reproducting device
11/2004
11/30/2004US6826138 Method for aligning actuator assembly to a base in a miniature optical disk drive
11/30/2004US6826016 Head suspension assembly and magnetic disk apparatus comprising the head suspension assembly
11/30/2004US6823581 Apparatus for assembling a head gimbal assembly
11/25/2004US20040233828 Optical disk drive
11/25/2004US20040233802 Signal reproducing method and storage apparatus
11/25/2004US20040233583 Magnetic disc apparatus and magnetic head in which a recording/reproduction element is mounted on a slider via a piezoelectric element
11/25/2004US20040233582 Magnetic head device
11/25/2004US20040233574 Apparatus and method to improve read/write speed of disk drive system
11/25/2004US20040233569 Method and apparatus of acceleration-based track seeking servo control of disk drive
11/25/2004US20040233568 Electrostatic actuator with multilayer electrode stack
11/25/2004US20040233567 Information recording apparatus
11/25/2004US20040233561 High precision fly height measurement
11/25/2004US20040231140 Manufacturing method using a proximity latch mechanism in an impact rebound crash stop for an outside disk ramp loading disk drive
11/24/2004EP1480202A2 Method and apparatus for acceleration-based track seeking servo control of disk drive
11/24/2004CN1550015A Disk unit having air flow adjusting mechanism and thin plate member incorporated thereto
11/24/2004CN1550004A Disk unit having air flow adjusting mechanism and producing method thereof as well as thin film member incorporated thereto
11/24/2004CN1549253A Reading optical recording media trace hopping apparatus and its position detecting method
11/24/2004CN1549247A Write/read head supporting mechanism, and write/read system
11/24/2004CN1549246A Disk driving device
11/23/2004US6822835 Actuator latch of hard disk drive
11/23/2004US6822833 Disc drive magnetic component with self assembled features
11/23/2004US6822821 Method and apparatus for predicting a head crash in a disc drive
11/23/2004US6822818 Magnetic hard disk drive
11/23/2004US6822814 Write head collision detection using MR read element in disc drives
11/18/2004WO2004100136A1 An improved electrical connection between a suspension flexure cable and a head stack assembly flexible circuit
11/18/2004US20040228231 Optical pickup tracking controller and optical pickup tracking control method
11/18/2004US20040228039 Electrical connection between a suspension flexure cable and a head stack assembly flexible circuit
11/18/2004US20040228038 Head support mechanism and magnetic disk device
11/18/2004US20040228037 Suspension, head gimbal assembly with suspension and disk drive apparatus with head gimbal assembly
11/18/2004US20040228036 Manufacturing method and apparatus of magnetic head device, and magnetic head device
11/18/2004US20040228026 Repeatable runout (RRO) compensation methods and apparatus for data storage devices
11/18/2004US20040228025 Method for obtaining head positions in magnetic data writing apparatus
11/18/2004DE19755371B4 Festplattenlaufwerk und Verfahren für einen Schreib- oder Lesezugriff auf eine magnetische Platte Hard drive and procedures for a write or read access to a magnetic disk
11/17/2004CN1547735A Wireless suspension design to accommodate multiple drive designs
11/17/2004CN1176465C Method for detection of rotating shock momentum generated by harddisk rotating
11/17/2004CN1176460C 光盘装置 Optical disc device
11/16/2004US6819640 Disc-shaped record medium, method for manufacturing the same, and apparatus for manufacturing the same
11/16/2004US6819531 Magnetic recording and reading device having 50 mb/s transfer rate
11/16/2004US6819522 Positioning control apparatus
11/16/2004US6819519 Head position control method for a disk device and the disk device
11/16/2004US6819513 Low power hard disk drive using multiple, individually controllable actuators
11/16/2004US6819072 Disk drive servo arm retract and spindle brake circuit
11/16/2004US6817073 Method of manufacturing a thin film piezoelectric element
11/11/2004US20040223436 Method and system for determining disc track pitch
11/11/2004US20040223418 Track jump apparatus for accessing an optical storage medium and position detection method thereof
11/11/2004US20040223251 Disk drive system and method for operating same
11/11/2004US20040223249 Apparatus and method of configuring the air bearing surfaces of sliders in disk drives for producing high temperatures in thermally-assisted recordings
11/11/2004US20040223247 Storage apparatus and storage medium
11/11/2004DE10297511T5 Rampe für eine Festplatte Ramp for a hard disk
11/10/2004EP1475801A1 Storage apparatus and storage medium
11/10/2004CN1175420C Optical disk device
11/09/2004US6816445 Device and method
11/09/2004US6816334 Information recording and reproducing device and tracking servo system therefor
11/09/2004US6816333 Electronic apparatus with an apparatus for protecting a movable section and method of protecting the movable section of the electronic apparatus
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