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Dynamic magnetic information storage or retrievalBelow 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. 03/06/2014 > 28 patent applications in 21 patent subcategories.
20140063633 - Variable stopwrite threshold using kurtosis: A method according to one embodiment includes measuring a current position error signal; calculating a standard deviation or a variance using the current position error signal sample; calculating a kurtosis value, using the current position error signal sample or derivative thereof; adjusting a threshold value using the kurtosis value; comparing... Agent: International Business Machines Corporation
20140063634 - Tape drive buffer utilization: Records and filemarks read from data segments are aggregated into at least one single data segment. The records and the filemarks are reorganized and restructured in the single data segment such that buffer utilization is improved.... Agent: International Business Machines Corporation
20140063635 - Variable stopwrite threshold using kurtosis: A data storage system according to one embodiment includes a head; a drive mechanism for passing a medium over the head; and a controller electrically coupled to the head. The system calculates a kurtosis value, using the current position error signal sample or derivative thereof, and adjusts a threshold value... Agent: International Business Machines Corporation
20140063636 - Systems and methods for conditional positive feedback data decoding: The present inventions are related to systems and methods for information data processing included selective decoder message determination.... Agent: Lsi Corporation
20140063637 - Systems and methods for npml calibration: The present invention is related to systems and methods for adaptive parameter modification in a data processing system.... Agent: Lsi Corporation
20140063638 - Dynamically controlling magnetoresitive bias: Magnetoresistive (MR) bias is dynamically controlled in a tape drive using a processor device. Upon determining head amplitude is below a threshold value, the MR bias is adjusted for increasing the head amplitude and extending the useful life span of the tape drive.... Agent: International Business Machines Corporation
20140063639 - Pre-amplifier output stage with integrated test buffer: Disk drive pre-amplifier output stage circuitry is presented including a high pass input filter for removing DC offsets from differential read data signals and providing an input to AB drivers of the output stage, in which an offset test circuit selectively drives the high pass filter output nodes according to... Agent: Texas Instruments Incorporated
20140063640 - Tape friction measurement: A method according to one embodiment includes setting a default friction value to a predetermined value, determining whether a primary velocity is valid, determining a velocity error, determining whether the velocity error is in a predetermined range, accumulating the velocity error when the velocity error is determined to be in... Agent: International Business Machines Corporation
20140063641 - Circuitry for controlling a voice coil motor: A control circuit of a voice coil motor is configured to move at least one read/write head of an hard disk into a parking position. The control circuit compares a received supply signal with a reference signal having a minimum value and a maximum value and a frequency. When the... Agent: Stmicroelectronics S.r.i.
20140063642 - Tape media life: Tape media life is increased by dynamically controlling a turn around point (TAP) on the tape media for either an end of a tape wrap or a directional change from a first longitudinal position tape section to a second longitudinal position tape section for reducing damage to the tape media... Agent: International Business Machines Corporation
20140063643 - Tension transients suppression during acceleration and/or deceleration for storage tape drive: In one embodiment, a system includes a controller configured to: determine a reference velocity at various intervals, receive or determine a secondary velocity based at least in part on a parameter associated with a drive mechanism motor, determine a value representative of a difference between the reference velocity and secondary... Agent: International Business Machines Corporation
20140063647 - Easy axis hard bias structure: In one embodiment, a magnetic head includes a sensor stack of thin films including a free layer; a hard bias structure comprising a first foundation layer, a second foundation layer formed on the first foundation layer and a hard bias layer formed above the second foundation layer, wherein portions of... Agent: Hgst Netherlands B.v
20140063644 - Magnetic element with multiple selective transducing elements: An apparatus and generally associated method may be directed to a magnetic reader capable of concurrently or independently data access and environmental measurements. Various embodiments construct such a magnetic reader with first and second data transducing elements that are each adapted to selectively read data and measure clearance from an... Agent: Seagate Technology LLC
20140063648 - Magnetic head, and magnetic storage apparatus: In a Spin Torque Oscillator (STO) comprising an underlayer, a first magnetic layer disposed on the underlayer, a non-magnetic intermediate layer disposed on the first magnetic layer, and a second magnetic layer disposed on the non-magnetic intermediate layer, the non-magnetic intermediate layer is a non-magnetic alloy containing 50 at %... Agent: Hitachi, Ltd.
20140063646 - Magnetic recording head having protected reader sensors and near zero recessed write poles: A magnetic head according to one embodiment includes a module, the module having both read and write transducers positioned towards a media facing side of the module, wherein the read and write transducers are selected from a group consisting of piggyback read-write transducers, merged read-write transducers, interleaved read and write... Agent: International Business Machines Corporation
20140063645 - Magnetic recording head having protected reader sensors and near zero recession writer poles: A magnetic head according to one embodiment includes a module, the module having first and second transducers of different transducer types positioned towards a media facing side of the module, wherein the different transducer types are selected from a group consisting of data reader transducers, servo reader transducers, write transducers,... Agent: International Business Machines Corporation
20140063650 - Accurate radius and velocity measurement of tape transports: A method according to one embodiment includes selecting an initial radius value (Rfull) for an outgoing reel, where Rfull is the initial radius of a tape on the outgoing reel; unwinding the tape from the outgoing reel; computing a radius value of the tape on the outgoing reel during the... Agent: International Business Machines Corporation
20140063649 - Dynamically controlling tape velocity: A maximum velocity is dynamically determined during a tape drive operation to obtain a statistical standard deviation of a position error signal (PES) that yields an amount of stopwrite (SW) operations that avoids backhitching. The tape velocity is adjusted to the maximum velocity.... Agent: International Business Machines Corporation
20140063651 - Suppression of seek repeatable runout: The disclosure is related to an apparatus and methods of suppressing seek repeatable runout. In a particular embodiment, a servo loop is disclosed. The servo loop includes a seek signal generation component that generates a seek trajectory acceleration signal. The servo loop also includes a STRRO suppression component that is... Agent: Seagate Technology LLC
20140063652 - System and method for automatic calibration of notch filter of hard disk drive: An apparatus for use with a hard disk drive, comprising: a selectable notch filter with a selectable notch frequency; a shock sensor of the hard disk drive, coupled to the selectable notch filter, the shock sensor having at least one resonance frequency; a flip flop coupled to an output of... Agent: Texas Instruments Incorporated
20140063653 - Stopper, motor, and disk drive apparatus: A motor includes a stator and a rotor including a disk portion, a cylindrical portion, and a stopper. The stopper includes a stopper protruding portion and is fixed to an inner surface of the cylindrical portion. The cylindrical portion includes a cylindrical portion protruding portion that opposes an outer surface... Agent: Nidec Corporation
20140063654 - Methods for balancing a disk drive: m
20140063655 - Rotating apparatus capable of improving the shock resistance and method for manufacturing the rotating apparatus: A disk drive device includes a hub, a base plate, and a bearing unit. The bearing unit includes a shaft housing member, joined to the hub, having a through-hole in the center, a shaft having a smaller diameter section and a larger diameter section, a radial dynamic pressure grooves, and... Agent: Samsung Electro-mechanics Japan Advanced Technology Co., Ltd.
20140063656 - Magnetic recording medium, method of manufacturing the same, and magnetic recording and reproducing device: Provided is a magnetic recording medium which maintains high vertical orientation of a vertical magnetic layer, and which is capable of realizing high recording densification. In the magnetic recording medium, at least a soft magnetic underlying layer (30), seed layers (31, 32), an orientation control layer (33), and a vertical... Agent: Showa Denko K.k.
20140063657 - Magnetic recording head having a pole tip shield: A write element including a pole tip shield is disclosed. In embodiments disclosed, for example, the pole tip shield includes side shield portions fabricated of a graded magnetic moment material to form graded side shield portions having a magnetic moment that decreases in the down-track direction along a length of... Agent: Seagate Technology LLC
20140063658 - High frequency magnetic field assisted magnetic recording head: To uniformly determine the positional relationship between a main magnetic pole and a spin torque oscillator while independently optimizing the main magnetic pole and the spin torque oscillator. On a trailing end surface of a main magnetic pole, a step is provided at the boundary between the main magnetic pole... Agent: Hitachi, Ltd.
20140063659 - Head suspension having cutting surface that is not deburred in actuator attaching area of base plate, method of manufacturing base plate of the head suspension, and method of manufacturing the head suspension: A method of manufacturing a base plate, after deburring and heat-treating a half-finished base plate, cuts off a scrap section at the ends of the scrap section from a half-finished actuator attaching area so that cutting surfaces left in a finished actuator attaching area are positioned onto the inner perimeter... Agent: Nhk Spring Co., Ltd.
20140063660 - Damped dual stage actuation disk drive suspensions: Various embodiments concern a DSA suspension of a disk drive. The DSA suspension comprises a support configured to attach to the disk drive, the support comprising a proximal portion, a distal portion, and a linkage portion therebetween. The DSA head suspension system further comprises at least one motor mounted on... Agent: Hutchinson Technology Incorporated02/27/2014 > 6 patent applications in 6 patent subcategories.
20140055880 - Data adapters for storage tape analytics system: A system for monitoring and analyzing operation of a tape infrastructure. The system includes a plurality of real and virtual tape libraries each including a plurality of tape drives and tape media. The system includes a server linked to the tape library. On the server, a storage tape analytics application... Agent: Oracle International Corporation
20140055881 - Recording regions in a shingled magnetic hard disk drive system: Described embodiments provide a method of writing data to a storage medium having a plurality of shingled magnetic recording (SMR) regions and a plurality of non-SMR recording regions. A host write request is generated from a hard disk controller coupled to the storage medium and a host device. Data corresponding... Agent: Lsi Corporation
20140055882 - Real time close loop fly height control: A device includes a disk drive assembly configured to store information using a platter comprising a magnetic material surface and a magnetic head disposed above the magnetic material surface. The magnetic head is configured to move across tracks formed on the platter to write information to the magnetic material surface... Agent: Lsi Corporation
20140055883 - Method and structure for improving performance and storage density in a data storage device: A data storage device with improved data storage densities, coupled with lower hard error and write-inhibit events is described. A feed-forward write inhibit (FFWI) method enables data tracks to be written more densely. Alternatively, the FFWI method may reduce the hard error and write inhibit events to improve data storage... Agent: Hgst Netherlands B.v.
20140055884 - Magnetic stack with separated contacts: An apparatus for two dimensional reading may be constructed, in accordance with some embodiments, with a number of magnetic stacks respectively configured to engage adjacent data tracks of a data storage media. Each magnetic stack can be disposed between top and bottom shields while each shield is segmented into a... Agent: Seagate Technology LLC
20140055885 - Head suspension and method of manufacturing head suspension: A head suspension 31 has a piezoelectric element 13 that deforms in response to a voltage applied thereto, a base plate 33 having an attaching part to which the piezoelectric element 13 is attached, and a load beam 35 having a flexure 39. A front end of the load beam... Agent: Nhk Spring Co., Ltd.02/20/2014 > 5 patent applications in 5 patent subcategories.
20140049853 - Offset-induced signal cancellation in an interleaved sampling system: Described embodiments provide an interleaved sampler having N sample and hold circuits for sampling an input signal, and M multiplexers. Each multiplexer is adapted to couple all N of the plurality of sample and hold circuits to a respective output of the interleaved sampler. The interleaved sampler samples at a... Agent: Lsi Corporation
20140049854 - Method and system for reading from or writing to multiple surfaces of a disk: A system includes a management module transferring sectors between an interface or a memory and ports. The management module transfers a first portion of a first sector to or from a first port while transferring to or from a second port a second portion of the first sector or a... Agent: Marvell World Trade Ltd.
20140049855 - Head rotator assembly for tape drive: A head rotator assembly (22) for positioning a head (20) of a tape drive (10) relative to a storage tape includes a head supporter (230) and a supporter mover assembly (232). The head supporter (230) is coupled to and supports the head (20). The supporter mover assembly (232) selectively rotates... Agent: Quantum Corporation
20140049856 - Spindle motor having a low overall height: The invention relates to a spindle motor that comprises a stationary motor component having a shaft and an annular stopper part disposed at a free end of the shaft as well as a rotatable motor component that is rotatably supported by means of a fluid dynamic bearing system with respect... Agent: Minebea Co., Ltd.
20140049857 - Magneto-resistance effect element, magnetic head, magnetic head assembly, magnetic recording and reproducing apparatus, and method for manufacturing magneto-resistance effect element: According to one embodiment, a magneto-resistance effect element includes: a first shield; a second shield; a first side shield layer; a second side shield layer; a stacked body; a first shield guide layer; and a second shield guide layer. The first shield guide layer includes a fifth magnetic layer provided... Agent:02/13/2014 > 7 patent applications in 7 patent subcategories.
20140043707 - Estimation method of curie temperature distribution width: An estimation method includes a heating step in which a recording bit, on which a reference signal is recorded, is heated under each of heating conditions having different heating temperatures, the recording bit being at least one recording bit in the magnetic recording medium, and a measurement step in which... Agent: Tdk Corporation
20140043708 - Storing random and sequential data on different track widths of a recording medium: Host data to be written to a recording medium is categorized as one of sequential data or random data. The sequential data is written to a first track width on the recording medium. The random data is written to a second track width on the recording medium, the second track... Agent: Seagate Technology LLC
20140043709 - Method and apparatus for reading a non-volatile memory using a spin torque oscillator: A method and apparatus for reading electronic memory comprising a current source, a spin transfer oscillator, an external field source, coupled to the current source, for generating an RF signal, the spin torque oscillator positioned proximate a magnetic media comprising a plurality of bit regions of varying magnetic permeability, wherein... Agent: U.s. Army Research Laboratory
20140043710 - Reducing total seek time for determining an access sequence of data stored on a tape medium: A first data group in an access sequence is selected based on which data group in the data groups has a beginning closest to a current position of the tape medium. Those data groups located in specified regions of the tape medium are separated from other data groups located in... Agent: International Business Machines Corporation
20140043711 - Recirculation filter for an electronic enclosure: A filter assembly for use in an electronic enclosure is provided. The filter assembly includes a highly permeable scrim that defines an elongate enclosure with an inlet at a first end and a closed second end, wherein an electrostatic filtration media is disposed within the elongate enclosure.... Agent:
20140043712 - Method and data storage device for laser free heat-assisted magnetic recording: A data storage device with a heat assisted magnetic recording (HAMR) system, a magnetic recording medium, and method for data storage are provided. The data storage device includes a magnetic recording medium, a magnetic recording head, a power supply, a controller and a switching device. The magnetic recording head includes... Agent:
20140043713 - Magneto-resistance effect element, magnetic head, magnetic head assembly, magnetic recording and reproducing apparatus, and method for manufacturing magneto-resistance effect element: According to one embodiment, a magneto-resistance effect element includes a first shield, a second shield, a third shield, a first magnetic layer, a second magnetic layer, and an intermediate layer. The third shield is provided between the first shield and the second shield, and is in contact with the second... Agent:Previous industry: Optical: systems and elements
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