|Dynamic magnetic information storage or retrieval patents - Monitor Patents|
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Dynamic magnetic information storage or retrieval January recently filed with US Patent Office 01/13Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 01/31/2013 > 15 patent applications in 14 patent subcategories.
20130027800 - Method of tuning skew between read head and write head and storage device thereof: Tuning a skew between a read head and a write head, may include setting a center value of a track according to a track density of a storage medium; writing data having a certain pattern to at least one target track and at least two tracks adjacent to the target... Agent: Seagate Technology LLC
20130027801 - Inter-track interference cancelation in the presence of frequency offset: An initial phase offset between a center track and a side track is determined. An initial side track pulse shape is determined using the initial phase offset and side track interference. The initial side track pulse shape minimizes a contribution of the side track interference to a center track bit.... Agent: Link_a_media Devices Corporation
20130027802 - Method and apparatus for data sector cluster-based data recording: Methods and apparatuses for data sector cluster-based data recording are disclosed. In one embodiment, an apparatus may comprise a processor configured to receive a write request containing host data for writing to a target location of a data storage medium. A target location may comprise one or more clusters, where... Agent: Seagate Technology LLC
20130027803 - Dual reverse microwave assisted magnetic recording (mamr) and systems thereof: In one embodiment, a magnetic head includes a main magnetic pole, a first MAMR element positioned above and wider than the main magnetic pole that is positioned to extend beyond sides of the main magnetic pole in a track width direction, a spin-rectifying-current-pinned-magnetic layer, a magnetic interlayer, a FGL, a... Agent: Hitachi Global Storage Technologies Netherlands B.v.
20130027804 - Write data switching for magnetic disk drives: One embodiment of the invention includes a system for writing data onto a magnetic disk. An output driver provides a first write current through a first output transistor in a first state and provides a second write current through a second output transistor in a second state. The first and... Agent: Texas Instruments Incorporated
20130027805 - Information processing apparatus and disk device control method: According to one embodiment, an information processing apparatus includes: a main unit; a first disk device provided in the main unit; a second disk device provided in the main unit; an acceleration sensor provided in the main unit and detecting an acceleration; a setting module for setting whether to execute... Agent: Kabushiki Kaisha Toshiba
20130027806 - Method and apparatus for writing and using servo correction data: Methods and apparatuses for generating and using servo correction data are disclosed. In one embodiment, an apparatus may comprise a data storage medium having a first track and a second track, servo correction data for the first track and the second track stored on the first track, and no servo... Agent: Seagate Technology LLC
20130027807 - Rotating device using a fluid dynamic bearing: A disk drive device comprises: a hub; a base rotatably supporting the hub via a bearing; a core fixed to the base; a cylindrical magnet fixed to the hub; and a suction plate fixed to the base, the suction plate being arranged to face the cylindrical magnet in a direction... Agent: Alphana Technology Co., Ltd.
20130027808 - Magnetic tape and magnetic recording device: An aspect of the present invention relates to a magnetic tape comprising a magnetic layer containing a hexagonal ferrite magnetic powder and a binder on a nonmagnetic support, wherein a standard deviation σHk of a magnetic anisotropy constant Hk of the magnetic layer is equal to or less than 30%,... Agent: Fujifilm Corporation
20130027809 - High data rate magnetic writer design: A high speed magnetic data writer containing a stitched pole tip that works in conjunction with the main pole is disclosed, together with a process for their manufacture. The material composition of each of these two sub-structures is slightly different; one sub-structure is optimized for high magnetic damping while the... Agent: Headway Technologies, Inc.
20130027810 - Method of forming metal to a concave portion of a substrate, method of manufacturing a magnetic head and a magnetic head: The present invention relates to a method of forming a metal in a concave portion of a substrate. The method includes a step of preparing a substrate having a concave portion; a step of applying a liquid coating member on the substrate and filling in and solidifying the concave portion... Agent: Tdk Corporation
20130027811 - Systems and methods for protecting a sensitive device from corrosion: A product according to one embodiment includes a tape having an applicator portion for applying an organic coating to a magnetic head for reducing exposure of the head to oxidation promoting materials; the organic coating on the applicator portion of the tape; and a lubricant on a data portion of... Agent: International Business Machines Corporation
20130027812 - Magnetic sensor with anisotropic liner: An apparatus and associated method are generally directed to a magnetic senor constructed with an anisotropic liner capable of screening magnetic flux. Various embodiments can have a data read element positioned on an air bearing surface adjacent a magnetic shield which is at least partially lined with an in-plane anisotropy... Agent: Seagate Technology LLC
20130027813 - Shaped shield for a magnetoresistive head: A magnetic shield that is capable of enhancing magnetic reading, such as in use as a data transducing head. A magnetic stack can have a read element with an air bearing surface (ABS). The read element may be positioned adjacent a shield layer with a continuously curvilinear sidewall and a... Agent: Seagate Technology LLC
20130027814 - Flexible-printed-circuit voice-coil assembly configured for integration in a voice-coil motor: A flexible-printed-circuit (FPC) voice-coil assembly configured for integration in a voice-coil motor. The FPC voice-coil assembly includes at least one FPC voice coil. The FPC voice coil includes a coil including at least one coil turn, and a flexible substrate. The flexible substrate is coupled to the coil to form... Agent:01/24/2013 > 11 patent applications in 11 patent subcategories.
20130021689 - Storage media inter-track interference cancellation: Described embodiments provide a method of cancelling inter-track interference (ITI) from one or more sectors read from a desired track of a storage medium. A read channel reads sectors in a desired track of the storage medium. A decoder of the read channel decodes the read sectors, and if the... Agent:
20130021690 - Systems and methods for user data based fly height calculation: Various embodiments of the present invention provide systems and methods for calculating and/or modifying fly height. For example, a circuit for calculating fly height is disclosed that includes: a first pattern detector circuit, a second pattern detector circuit, a first pattern fly height calculation circuit, a second pattern fly height... Agent: Lsi Corporation
20130021691 - Magnetic storage device with chirped write head degaussing waveform: A circuit for use with a memory storage device including a magnetic storage medium and a write head operative to subject the magnetic storage medium to a magnetic field in response to an application of current to the write head, includes a write circuit operative to generate a write current... Agent: Lsi Corporation
20130021692 - Magnetically biased tilting roller bearing tape guidance: A tape movement constraint for a tape drive system, comprises a tiltable tape roller bearing having a grooved surface adapted to contact and engage a surface of the tape as the roller barrel rotates, and an actuator adapted to pivot the roller bearing surface when the actuator is actuated, to... Agent: International Business Machines Corporation
20130021693 - Magnetically biased tilting roller bearing tape guidance: A tape movement constraint for a tape drive system, comprises a tiltable tape roller bearing having a grooved surface adapted to contact and engage a surface of the tape as the roller barrel rotates, and an actuator adapted to pivot the roller bearing surface when the actuator is actuated, to... Agent: International Business Machines Corporation
20130021694 - Self-contained magnetic tape drive and combined multi-part tape system: Magnetic tape systems, magnetic tape and reel systems, magnetic tape drives and methods of manufacturing the systems and drives comprise, for the magnetic tape system, two lengths of magnetic tape of substantially equal width dimension; and a cleaning tape positioned between and joining the two lengths of magnetic tape, forming... Agent: International Business Machines Corporation
20130021695 - Base design of magnetic disk drive: A magnetic disk device including: one or more disk-shaped magnetic disks; a spindle motor; a magnetic head; an arm for supporting the magnetic head; an enclosure base for housing the above components; an adjacent facing surface which lies in the enclosure base adjacent to the magnetic disk; a non-adjacent facing... Agent:
20130021696 - Storage system and a method of cooling storage media within a data storage system: The invention provides a data storage system and a method of cooling storage media within a data storage system. The data storage system comprises an enclosure; plural drawer structures each containing plural storage media such as disk drives, wherein the storage media are arranged such that air can pass vertically... Agent: Xyratex Technology Limited
20130021697 - Magnetic sensor with perpendicular anisotrophy free layer and side shields: A tunneling magneto-resistive reader includes a sensor stack separating a top magnetic shield from a bottom magnetic shield. The sensor stack includes a reference magnetic element having a reference magnetization orientation direction and a free magnetic element having a free magnetization orientation direction substantially perpendicular to the reference magnetization orientation... Agent: Seagate Technology LLC
20130021698 - Gimbal limiter for suspension with lift tab: A head suspension for a disk drive with a load beam having continuous rails and a distal lift tab. A dimple is positioned proximal to the lift tab, either on the load beam or the gimbal, the dimple providing a pitch axis and a roll axis for the slider. The... Agent: Seagate Technology LLC
20130021699 - Suspension board with circuit: A suspension board with circuit includes an external slider on which a magnetic head is mounted and an external electronic element provided in its vicinity. The suspension board with circuit includes a metal supporting board, a first insulating layer laminated on a top surface thereof, a first conductive pattern including... Agent: Nitto Denko Corporation01/17/2013 > 6 patent applications in 4 patent subcategories.
20130016439 - Tape rewind to limit air entrapment: In a tape drive having a rotatable take-up reel supporting an end of an elongate tape, a drive control system for rotating the take-up reel and for rotating a tape supply reel of a removable tape cartridge. The drive control system is arranged to tension and move the elongate tape... Agent: International Business Machines Corporation
20130016440 - Base for motor and hard disk drive including the same: There is provided a base for a motor, the base including: a base body having a disk disposed thereon; and an outer wall part formed on the base body to thereby define an outer edge thereof, wherein the outer wall part includes at least one cut wall part formed by... Agent: Samsung Electro-mechanics Co., Ltd
20130016441 - Recording head and disk drive provided with the same: According to one embodiment, a recording head includes a main pole, a trailing shield including a first connecting portion and a second connecting portion, and configured to form together with the main pole a first magnetic core, a leading shield including a first connecting portion connected to the main pole... Agent: Kabushiki Kaisha Toshiba
20130016443 - Asymmetric writer for shingled magnetic recording: In one embodiment, a system includes a writer for shingled recording which includes a write pole having a trailing edge and first and second side edges extending from the trailing edge. The writer further includes a shield extending along and about parallel to at least an entire length of the... Agent: Hgst Netherlands B.v.
20130016442 - Magnetic recording head with notched shield: A magnetic recording head includes a magnetic recording write element including a main pole having a leading edge and an opposing trailing edge and a first side surface and a second side surface separating the leading edge from the trailing edge. A first side shield gap separates a first side... Agent: Seagate Technology LLC
20130016444 - Method for manufacturing a patterned magnetic media with offset data and servo regions: A method for manufacturing a patterned magnetic media. The method allows both a data region and a servo region to be patterned without the patterning of one region adversely affecting the patterning of the other region. The method results in a patterned data region a patterned servo region and intermediate... Agent: Hitachi Global Storage Technologies Netherlands B.v.01/10/2013 > 12 patent applications in 9 patent subcategories.
20130010382 - Patterned media with an alternating series of concentric servo zones and overlap zones: Embodiments described herein provide for patterned media concentric zones with an alternating series of concentric servo zones and overlap zones. The overlap zones facilitate the writing of servo data between servo zones of different servo frequency. The overlap zones may be dual frequency zones. The dual frequency zones have a... Agent:
20130010383 - Patterned media with an alternating series of concentric servo zones and overlap zones: Embodiments described herein provide for patterned media concentric zones with an alternating series of concentric servo zones and overlap zones. The overlap zones facilitate the writing of servo data between servo zones of different servo frequency. The overlap zones may be dual frequency zones. The dual frequency zones have a... Agent:
20130010384 - Servo pattern compatible with planarization constraints of patterned media and use of a single master template: Embodiments described herein provide for robust servo patterns that comply with planarization constraints and also allow use of a single master template for manufacture of both the front and back of a magnetic disk. Planarization constraints are met because only a portion of servo data is hard patterned on the... Agent:
20130010385 - Servo pattern compatible with planarization constraints of patterned media and use of a single master template: Embodiments described herein provide for robust servo patterns that comply with planarization constraints and also allow use of a single master template for manufacture of both the front and back of a magnetic disk. Planarization constraints are met because only a portion of servo data is hard patterned on the... Agent:
20130010386 - Magnetically biased write pole: An apparatus and associated method provides a magnetic element, such as a data transducing head. A first permanent magnet may be configured to bias the write pole to decrease remnant magnetization and erasure after write (EAW). The first permanent magnet can be separated from the write pole be a predetermined... Agent: Seagate Technology LLC
20130010387 - Pole for magnetic recording: A method for forming a magnetic write pole with a trapezoidal cross-section is described. The method consists of first forming a magnetic seedlayer on a base followed by depositing a removable material layer on the seedlayer, and then a resist layer on the removable material layer. A trench is then... Agent: Seagate Technology LLC
20130010388 - Patterned media with an alternating series of concentric servo zones and overlap zones: Embodiments described herein provide for patterned media concentric zones with an alternating series of concentric servo zones and overlap zones. The overlap zones facilitate the writing of servo data between servo zones of different servo frequency. The overlap zones may be dual frequency zones. The dual frequency zones have a... Agent:
20130010389 - Patterned media with an alternating series of concentric servo zones and overlap zones: Embodiments described herein provide for patterned media concentric zones with an alternating series of concentric servo zones and overlap zones. The overlap zones facilitate the writing of servo data between servo zones of different servo frequency. The overlap zones may be dual frequency zones. The dual frequency zones have a... Agent:
20130010391 - Thermal flying height control slider with slit in hard disk driver: A slider includes a void for controlling the flying height of the slider over a disk in a HDD. The slider comprises a slider body having a leading surface and a trailing surface. A read/write element is formed in a portion of the slider body proximate to the trailing surface... Agent: Hitachi Asia Ltd.
20130010390 - Thin film magnetic head, thin film magnetic head device, magnetic recording/reproducing apparatus, and method for manufacturing thin film magnetic head: A thin-film magnetic head includes a slider substrate and a write element. The slider substrate has an air bearing surface at one side thereof. The write element has a recording magnetic pole film. The recording magnetic pole film is disposed on a plane crossing the air bearing surface over the... Agent: Tdk Corporation
20130010392 - Wiring substrate with a torsion restrictor for a terminal: A wiring substrate comprises a conductor pattern embedded in an insulating layer, the insulating layer having an opening to expose top and bottom faces of the conductor pattern and define a terminal of the wiring substrate, a torsion restrictor formed in the conductor pattern at a location passing over an... Agent: Nhk Spring Co., Ltd.
20130010393 - Connecting structure for a plate material and an opposite member between which a resin seat is interposed and head suspension with the connecting structure: A head suspension with a connecting structure for a plate material comprises a base plate attached to a carriage that rotates the base plate around an axis, a load beam including a rigid part and a resilient part, a base end of the load beam fixed to the base plate... Agent: Nhk Spring Co., Ltd.01/03/2013 > 21 patent applications in 18 patent subcategories.
20130003209 - Channel circuit and seek method: A channel circuit includes a reader, a decoder, a prediction module, and a seek module. The reader reads data written in a medium. The decoder performs iterative decoding of the read data. The prediction module predicts whether an early read is possible or not without waiting for arrival of the... Agent: Kabushiki Kaisha Toshiba
20130003210 - Hard disk drive, method for operating the same, and computer system having the same: There is disclosed a hard disk drive and an operation method thereof. A method of operating a hard disk drive according to the present invention may include (a) loading drive data required to drive the hard disk drive from a maintenance cylinder area contained in a disk to a memory;... Agent:
20130003211 - Fast data recovery from hdd failure: A storage system comprises a first storage device having a first plurality of hard disk drives and a first controller. The first controller stores data in the first plurality of hard disk drives by stripes. Each stripe includes M data and N parity data allocated to M+N hard disk drives... Agent: Hitachi, Ltd.
20130003212 - Data recording and reading device and method: Provided is a method for recording data to a tape medium in such a manner as to achieve the easy management of mutually related multiple data pieces. First data and second data continuously received as a file from a higher level apparatus are accumulated in multiple buffer segments in the... Agent: International Business Machines Corporation
20130003213 - Correcting errors in longitudinal position (lpos) words: A method for longitudinal position (LPOS) detection in a magnetic tape storage system for storing data upon linear tape open (LTO) magnetic storage tape, which data includes odd and even 36-bit LPOS words with error correcting ability. The method includes first encoding positional information onto the tape within the 36-bit... Agent: International Business Machines Corporation
20130003214 - Systems and methods for inter-track alignment: Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing circuit is discussed that includes: a servo address mark count circuit, a user sync mark count circuit, and an offset calculation circuit. The servo address mark count circuit is operable to... Agent: Lsi Corporation
20130003215 - Writing a reference pattern to bit patterned media: A given reference pattern is written on bit patterned media that has an initial reference pattern already disposed thereon. A write phase and frequency is detected based on the initial reference pattern and the given reference pattern is written on the bit patterned media at the detected write phase and... Agent: Seagate Technology LLC
20130003216 - Head controller, memory device and head control method: In one embodiment, there is provided a head controller for controlling a head of a read/write device which reads/writes data from/into a recording medium. The head controller includes: a controller configured to adjust a gap between the head of the read/write device and a surface of the recording medium by... Agent: Kabushiki Kaisha Toshiba
20130003217 - Head-disk interference (hdi) detection: Method and apparatus for detecting head disk interference (HDI). In accordance with some embodiments, a bias calibration circuit is adapted to respectively bypass or amplify a head disk interference (HDI) signal output from an HDI sensor responsive to a bias voltage adjusted according to a first control signal. A detection... Agent: Seagate Technology International
20130003218 - Dynamic reconfiguration-switching of windings in a tape storage drive: Dynamic reconfiguration-switching of motor windings is optimized between winding-configurations. Acceleration is traded off in favor of higher velocity upon detecting a tape storage drive is at an optimal angular-velocity for switching to an optimal lower torque constant and voltage constant. The total back electromotive force (BEMF) is prohibited from inhibiting... Agent: International Business Machines Corporation
20130003219 - Compensation for vibration in a data storage system: A plurality of sensors are used to sense disturbances in a data storage system. An adaptive gain component is associated with each of the sensors and provides a gain for each of the sensor signals. The gain of each sensor signal is adapted, individually, based on a correlation of each... Agent: Seagate Technology LLC.
20130003221 - Fly height control using write voltage adjustments: Apparatus and method for controlling a fly height of a transducer adjacent a recording surface by adjusting a write voltage magnitude. In accordance with some embodiments, a write voltage with an initial magnitude is applied to a transducer. A write voltage change interval and a write voltage change amount are... Agent: Seagate Technology International
20130003220 - Hard disk drive and method for controlling flying height of magnetic head thereof: There is disclosed a hard disk drive and a method of controlling a flying height of a magnetic head of the hard disk drive. A method of controlling a flying height of the magnetic head in a hard disk drive according to an embodiment of the present invention may include... Agent:
20130003222 - Tape library initiated actions: Example apparatus and methods concern a tape library that can initiate an action. One example method may include controlling a tape library to perform a media scanning operation associated with an extended data life management policy. The extended data life management operation may be associated with an application representation of... Agent: Quantum Corporation
20130003223 - Bearing apparatus, spindle motor, and disk drive apparatus: In a bearing apparatus, a first cup portion defining a portion of a stationary portion of a bearing apparatus includes a circular plate portion and a cylindrical portion projecting downward from an outer edge portion of the circular plate portion. A rotating portion of the bearing apparatus includes an annular... Agent: Nidec Corporation
20130003224 - Magnetic write head with structured trailing pole: The invention is directed to a magnetic write head configured for writing to a magnetic medium, such as, a magnetic tape along a longitudinal direction x. The magnetic write head includes a trailing pole with a first face of height r1; a leading pole with a second face, each of... Agent: International Business Machines Corporation
20130003225 - Magnetic recording head: A method of fabricating a recording head includes depositing an insulator material onto at least a portion of a first member, wherein the insulator material forms an insulator film having a film thickness. The method further includes depositing a writer pole material onto the insulator film, wherein the writer pole... Agent: Seagate Technology LLC
20130003226 - Pmr writer device with multi-level tapered write pole: A perpendicular magnetic recording (PMR) head is fabricated with a multi-level tapered write pole. The write pole comprises a main pole with a tapered tip on a leading edge or a trailing edge, on which is formed at least one yoke that has a tapered edge. The edge of the... Agent: Headway Technologies, Inc.
20130003227 - Polyetherimide resins with very low levels of residual contamination: Compositions and methods for producing compositions comprising a monoamine-endcapped polyimide component. Based on a gas chromatography mass spectroscopy analysis of a surface rinse of the composition performed at room temperature, the composition can have at least one surface with less than or equal to 5 ppb releasable phosphorous residuals, and... Agent:
20130003228 - Methods and devices for controlling asymmetry in a magnetic reader: In certain embodiments, an apparatus includes a magnetoresistive (MR) sensor having a first and second electrode positioned at a first side of the MR sensor and a third electrode positioned at a second side of the MR sensor opposite the first side.... Agent:
20130003229 - Giant magnetoresistive sensor having horizontal stablizer: A giant magnetoresistive (GMR) sensor for reading information from a magnetic storage medium has a first non-magnetoresistive layer, a first magnetoresistive layer formed on the first non-magnetoresistive layer, a second non-magnetoresitive layer formed on the first magnetoresistive layer, a second magnetoresistive layer formed on the second non-magnetoresistive layer, and a... Agent: Oracle International CorporationPrevious industry: Optical: systems and elements
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