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Dynamic magnetic information storage or retrieval August inventions list 08/12

Below 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.
  
08/30/2012 > 10 patent applications in 8 patent subcategories. inventions list

20120218658 - Cartridge refresh and verify: A method in one embodiment includes receiving a command to perform at least one of a refresh operation and a verification operation on a media cartridge having a tape wrapped around a spool; mounting the media cartridge in a tape drive; starting execution of the refresh and/or verification operation; aborting... Agent: International Business Machines Corporation

20120218659 - Contact detection: A method of detecting a contact between a transducing head and a storage medium is provided. The method applies an input signal, having a select power level and known frequency, to an actuator for actuating the head. An output signal is obtained in response to the input signal. At least... Agent: Seagate Technology LLC

20120218660 - Drive apparatus and method for controlling the same: An apparatus includes a controller and a plurality of disk drives. The controller has a communication control unit for accepting a data input/output request, a disk controller unit for controlling a disk drive, and a cache memory for temporarily storing data transferred between the communication control unit and the disk... Agent: Hitachi, Ltd.

20120218661 - Spindle motor, and disk apparatus having the same: According to one embodiment, a spindle motor includes: a bearing portion fixed to a base and configured to have a cylindrical outer shape; a stator provided with a core serving as a magnetic pole, and fixed to the base outside the bearing portion; a hub provided with a magnet facing... Agent: Kabushiki Kaisha Toshiba

20120218662 - Magnetic head for perpendicular magnetic recording that includes a sensor for detecting contact with a recording medium: A magnetic head for perpendicular magnetic recording includes a read head unit, a write head unit disposed forward of the read head unit along the direction of travel of a recording medium, a heater that generates heat for causing the medium facing surface to protrude in part, an expansion layer... Agent: Headway Technologies, Inc.

20120218663 - Magnetic head for perpendicular magnetic recording that includes a sensor for detecting contact with a recording medium: A magnetic head includes a main pole, a write shield, a return path section, a heater that generates heat for making part of a medium facing surface protrude, and a sensor that detects contact of the part of the medium facing surface with a recording medium. The return path section... Agent: Headway Technologies, Inc.

20120218664 - Magnetic head suspension: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the... Agent: Suncall Corporation

20120218665 - Magnetic head suspension: The present invention provides a magnetic head suspension, wherein a supporting portion such as an arm or base plate includes a pair of supporting pieces extending from its opposite sides in the widthwise direction to a tip-end side of the suspension, and a concave portion which is defined by the... Agent: Suncall Corporation

20120218666 - Magnetic head suspension: A load beam part main body portion's side edges include a proximal end region inclined at a first angle and a distal end region inclined at a smaller second angle. Where “L” is a distance in a suspension longitudinal direction between a supporting part's distal end portion and a dimple,... Agent: Suncall Corporation

20120218667 - Magnetic oscillator: According to one embodiment, a magnetic oscillator includes a layered film and a pair of electrodes. The layered film includes a first ferromagnetic layer, an insulating layer stacked on the first ferromagnetic layer, and a second ferromagnetic layer stacked on the insulating layer. The pair of electrodes is configured to... Agent: Kabushiki Kaisha Toshiba

  
08/23/2012 > 15 patent applications in 12 patent subcategories. inventions list

20120212847 - Information recording device and information recording method: According to one embodiment, an information recording device includes: a magnetic recording medium having tracks; and a recording controller configured to control recording of information on a track provided between a first track group and a second track group adjacent to the first track group, the first track group and... Agent: Kabushiki Kaisha Toshiba

20120212846 - Method of calibrating data readers relative to servo readers: A method of calibrating a servo reader and a read/write head for a data storage tape machine that reads and writes data to a data storage tape. The data storage tape has a servo pattern that is recorded on the tape in a known location. The servo pattern is used... Agent: Oracle International Corporation

20120212848 - Overwrite control method for data in tape recording apparatus, and tape recording apparatus: A data-overwriting technique that facilitates determining whether data is new or old. A tape recording apparatus includes: a receiving unit for receiving information on overwrite starting position and an overwrite request; a trying unit for trying to determine a beginning position of a data unit; an overwrite executing unit for... Agent: International Business Machines Corporation

20120212849 - Systems and methods for data pre-coding calibration: Various embodiments of the present invention provide systems and methods for selecting between pre-coding and non-pre-coding. As an example, a data processing circuit is disclosed that includes: a first data detector circuit, a second data detector circuit, a first comparator circuit, a second comparator circuit, and a pre-code selection circuit.... Agent: Lsi Corporation

20120212850 - Systems and methods for data pre-coding calibration: Retention management for data stored in data blocks on a tape is provided. A block mapping table has entries each of which include an expiration date for data blocks stored on the tape. The entries of the block mapping table may be sorted in accordance with at least one sorting... Agent: International Business Machines Corporation

20120212851 - Systems and methods for medium contact detection: Various embodiments of the present invention provide systems and methods for detecting contact. For example, a method for detecting head contact is disclosed that includes: receiving an interface signal operable to indicate a physical contact between a sensing device and a storage medium; band pass filtering a data set derived... Agent: Lsi Corporation

20120212852 - Determining a reference waveform used by a correlator in a servo channel: Provided are a method, servo channel, and tape drive for determining a reference waveform used by a correlator in a servo channel. Sequences of servo signal samples are provided from read servo signals read from a servo pattern on a recording medium. A determination is made of a reference waveform... Agent: International Business Machines Corporation

20120212853 - Method and apparatus to position a head module comprising servo elements and plurality of data elements: A method to position a head module, where the head module comprises at least one servo element and a plurality of data elements, where the servo element and each of the plurality of data elements can detect a servo signal, wherein the method includes moving a sequential information storage medium... Agent: International Business Machines Corporation

20120212854 - Shunt for magnetoresistive transducer heads for electrostatic discharge protection: A magnetoresistive transducer head assembly includes a reader element, a writer element and a high impedance shunt electrically connecting the reader element and the writer element. The high impedance shunt provides a high impedance conductive path for maintaining electrostatic charge equipotential between the reader element and the writer element.... Agent: International Business Machines Corporation

20120212855 - Magnetic head for perpendicular magnetic recording having a pole layer including a plurality of stacked magnetic films: A magnetic head includes a pole layer accommodated in a groove. The pole layer has a track width defining portion and a wide portion. The pole layer includes a plurality of magnetic films stacked. At least one of the plurality of magnetic films includes a first portion included in the... Agent: Headway Technologies, Inc.

20120212856 - High areal density tape format and head: A magnetic recording tape according to one embodiment includes a plurality of servo tracks, each servo track comprising a series of magnetically defined bars, wherein an angle between at least some of the bars is greater than about 10 degrees, wherein an average height of the bars is less than... Agent: International Business Machines Corporation

20120212857 - Magneto-resistive effect device, magnetic head assembly, and magnetic recording device: According to one embodiment, a magneto-resistive effect device includes a stacked body, a pair of electrodes for supplying current in a stacking direction of the stacked body. The stacked body includes a first magnetic layer, a second magnetic layer, and a spacer layer disposed between the first magnetic layer and... Agent: Kabushiki Kaisha Toshiba

20120212858 - Flexure and head suspension with flexure: A flexure is capable of securing strength of the flexure while surely preventing from deteriorating electric characteristic thereof. The flexure includes a metal substrate, an insulating layer formed on the metal substrate, and a wiring pattern arranged on the insulating layer and having a first end connected to the head... Agent: Nhk Spring Co., Ltd.

20120212859 - Magneto-resistive effect element having spacer layer including main spacer layer containing gallium oxide and metal intermediate layer: A magneto-resistive effect (MR) element includes first and second magnetic layers in which a relative angle formed by magnetization directions changes in response to an external magnetic field, and a spacer layer positioned between the first magnetic layer and the second magnetic layer. The first magnetic layer is positioned closer... Agent: Tdk Corporation

20120212860 - Magneto-resistive effect element having spacer layer including gallium oxide layer with metal element: A magneto-resistive effect (MR) element includes: first and second magnetic layers in which a relative angle formed by magnetization directions changes according to an external magnetic field; and a spacer layer positioned between the first magnetic layer and the second magnetic layer. The spacer layer includes a main spacer layer... Agent: Tdk Corporation

  
08/16/2012 > 12 patent applications in 10 patent subcategories. inventions list

20120206828 - Communication apparatus: A communication apparatus is configured to execute testing of whether or not the responding module is correctly responding to the plurality of commands transmitted and received between a transmission module and a reception module, the testing being performed via a loop-back mode transmission and reception path configured such that the... Agent: Kabushiki Kaisha Toshiba

20120206829 - Method of testing magnetic recording medium: Disclosed is a method of testing a magnetic recording medium including a magnetically isolated magnetic recording pattern (41a) on a non-magnetic substrate. The method includes: a first signal writing step of writing a first signal (6) with a width less than a track width at a plurality of measurement positions... Agent: Showa Denko K.k.

20120206830 - Transducer head with multiple read sensors: In order to improve a consistent data track during writing to a storage medium, a plurality of read sensors are affixed to a transducer head. In one implementation, the transducer head includes multiple read sensors placed up-track of the write pole. In another implementation, the transducer head includes at least... Agent: Seagate Technology LLC

20120206831 - Transport speed adjustment device, transport speed adjustment method and transport speed adjustment program for adjusting transport speed of tape medium: A tape drive capable of switching the transport speed of a tape medium among multilevel speeds calculates a data transfer rate from/to a host device, and selects an adjustment mode of the transport speed of the tape medium from a constant speed mode and a speed switch mode according to... Agent: International Business Machines Corporation

20120206833 - Method of positioning a transducer with a magnetically preloaded linear guide: A transducer positioning apparatus is provided that supports a read/write head on a data storage machine and biases the head against rotation. The transducer positioning apparatus may comprise a base that includes a linear drive motor and a support frame to which the read/write head is secured. The support frame... Agent: Oracle America, Inc., Formerly Known As Sun Microsystems, Inc.

20120206832 - Tape head actuator: An assembly according to one embodiment includes a first module and a second module each having multiple transducers, wherein the first module is movable relative to the second module; a tape dimensional stability compensation mechanism for tilting the modules to control a transducer pitch presented to a tape; and an... Agent: International Business Machines Corporation

20120206834 - Method for producing magnetic recording medium and magnetic recording replaying device: A production method of a magnetic recording medium of the present invention includes: a step of forming a magnetic layer (2) on a non-magnetic substrate (1); a step of forming a dissoluble layer (3) on the magnetic layer (2); a step of forming a mask layer (4) on the dissoluble... Agent: Showa Denko K.k.

20120206835 - Magnetic head suspension: In a magnetic head suspension according to the present invention, each of paired right and left connecting beams that are positioned on both sides of an open section, with which paired piezoelectric elements are at least partially overlapped in a plan view, in a suspension width direction and connect a... Agent: Suncall Corporation

20120206836 - Pivot attach method for disk drive actuator using taper lock shims: Various methods and apparatus relating to disk drive actuators and methods of manufacturing them are disclosed and claimed. In certain embodiments, a disk drive actuator assembly comprises a pivot bearing defining a pivot bearing rotational axis; an actuator arm including a bore, the pivot bearing disposed at least partially within... Agent: Intri-plex Technologies, Inc.

20120206837 - Magnetoresistive element, magnetic head assembly, and magnetic recording/reproducing apparatus: A magnetoresistive element includes a lamination body and a pair of electrodes. The lamination body includes a first magnetic layer, a second magnetic layer, and a spacer layer. The spacer layer is provided between the first magnetic layer and the second magnetic layer and includes an oxide layer. The oxide... Agent: Kabushiki Kaisha Toshiba

20120206838 - Magnetoresistive element having a magnetic compound, magnetic memory, magnetic head, and a magnetic recording/reproducing device: An example magnetoresistive element includes a first magnetic layer whose magnetization direction is substantially pinned toward one direction; a second magnetic layer whose magnetization direction is changed in response to an external magnetic field; and a spacer layer. At least one of the first magnetic layer and the second magnetic... Agent: Kabushiki Kaisha Toshiba

20120206839 - Magnetoresistive device with enhanced pinned layer: A magnetoresistive device includes a free layer, a separating layer, a pinned layer, and a magnetic stabilizer in close proximity to the pinned layer, wherein the magnetic stabilizer may enhance the stability of the magnetization direction of the pinned layer.... Agent: Seagate Technology LLC

  
08/09/2012 > 9 patent applications in 9 patent subcategories. inventions list

20120200951 - Content duplication device and content duplication system: A duplication device is provided. When content is duplicated by recording, in a recording medium of a recording destination, the same content as content recorded in a recording medium of a duplication source, even if a reading speed is slower than a writing speed, the duplication device can reduce a... Agent: Pioneer Corporation

20120200952 - Apparatus and method to transfer data to and from a sequential information storage medium: A sequential information storage medium, comprising a plurality of servo patterns encoded lengthwise thereon, wherein each servo pattern encodes at least one LPOS bit and comprises a width less than 187 microns.... Agent: International Business Machines Corporation

20120200953 - Magnetic disc apparatus: According to one embodiment, a magnetic disc apparatus includes a magnetic head which reads information stored in a magnetic disc, an arm which supports the magnetic head, and a feedback controller which controls a coarse actuator to move the magnetic head above the magnetic disc by driving the arm, a... Agent: Nhk Spring Co., Ltd.

20120200954 - Systems and methods for off track error recovery: Various embodiments of the present invention provide systems and methods for recovering data from a storage medium. As an example, a data recovery circuit is disclosed that includes: a controller circuit, a data processing circuit, a selector circuit, and a combining circuit. The controller circuit is operable to position a... Agent: Lsi Corporation

20120200955 - Using a read-write data storage device having a dual actuator: A method of aligning read elements and write elements with a storage media in a data storage device includes determining a position of a data track associated with the storage media, shifting one of a first and second head module relative to the storage media. The first head module includes... Agent: International Business Machines Corporation

20120200956 - Method for producing magnetic recording medium, and magnetic recording and reproducing device: A method for producing a magnetic recording medium which includes: forming a magnetic layer on a non-magnetic substrate; forming a dissolution layer on the magnetic layer; forming a mask layer on the dissolution layer; patterning the dissolution layer and the mask layer so as to have a pattern corresponding to... Agent: Showa Denko K.k.

20120200957 - Spindle motor, disk drive apparatus, and method of manufacturing spindle motor: In a spindle motor, a lead wire extending from a coil includes a first solder portion coated with a first solder. The lead wire is arranged to extend downward through a base hole portion and a board hole portion. The first solder portion is soldered to a circuit board through... Agent: Nidec Corporation

20120200958 - Magnetic recording medium and magnetic recording and reproducing apparatus: A perpendicular magnetic recording medium of the present invention comprises a non-magnetic substrate, and at least a backing layer, an under layer, an intermediate layer and a perpendicular magnetic recording layer, which are sequentially laminated on the non-magnetic substrate, wherein the backing layer is formed of a soft magnetic film... Agent: Showa Denko K.k.

20120200959 - Flexure based shock and vibration sensor for head suspensions in hard disk drives: Systems and methods for flexure based shock and vibration sensor for head suspensions in hard disk drives. Specifically, this invention deals with operational shock and vibration management within a hard disk drive. In one implementation, the assembly includes a circuit embedded optical waveguide sensor that includes a flexible electrical circuit... Agent: Nitto Denko Corporation

  
08/02/2012 > 12 patent applications in 9 patent subcategories. inventions list

20120194936 - Evaluation method of perpendicular magnetic recording medium and manufacturing method of perpendicular magnetic recording medium: This is an evaluation method of a perpendicular magnetic recording medium, including a process of recording a first signal of a specific frequency at an arbitrary first position in the perpendicular magnetic recording medium; a process of measuring a reproduction output of the first signal and of measuring a signal/noise... Agent: Wd Media (singapore) Pte. Ltd.

20120194935 - System and method for managing errors on a magnetic tape: Systems and methods for managing errors on a magnetic tape having a plurality of partitions accessed by a tape drive having an associated tape drive processor in communication with a host computer having an associated host processor include receiving mapping information from the host computer that designates at least first... Agent: Oracle International Corporation

20120194937 - Magnetic recording apparatus and recording method of magnetic recording apparatus: According to one embodiment, a magnetic recording apparatus configured to record information onto a magnetic recording medium by a shingled write recording method, the magnetic recording apparatus includes: a recording head configured to cover a plurality of dot arrays and an end portion of which is situated at one dot... Agent: Kabushiki Kaisha Toshiba

20120194938 - Method of writing initial clock patterns and magnetic disk drive: According to one embodiment, a method of writing initial clock patterns to a disk in a magnetic disk drive is disclosed. The method can write a first timing mark in a location on a circumference of a disk using a head based on a first clock signal corresponding to a... Agent: Kabushiki Kaisha Toshiba

20120194939 - Patterned medium inspection method and inspection apparatus: A patterned medium inspection method according to the present invention includes a timing computation process including a read process reading the reproduced signal of a patterned medium under inspection and a computation process computing the signal interval values from the patterned medium reproduced signal read in the read process, and... Agent:

20120194940 - Magnetic disk device and data verification control method in the device: According to one embodiment, a magnetic disk device having a disk, includes: a flag updating module configured to register a flag used when data is written onto the disk, the data is read from the disk and whether to verify the data or not is determined, so as to be... Agent: Kabushiki Kaisha Toshiba

20120194941 - Writing timing-based servo patterns in perpendicular and non-oriented magnetic media: A method and apparatus for bipolar writing of servo marks to perpendicular and non-oriented magnetic recording medium. The method includes applying a varying current to a servo write head to alternately AC-erase and write sets of servo marks to regions of a servo track of a magnetic recording medium proximate... Agent: International Business Machines Corporation

20120194942 - Thin film structure with controlled lateral thermal spreading in the thin film: An apparatus includes a non-metallic interlayer between a magnetic data storage layer and a heat sink layer, wherein interface thermal resistance between the interlayer and the heat sink layer is capable of reducing heat flow between the heat sink layer and the magnetic data storage layer. The apparatus may be... Agent: Seagate Technology LLC

20120194944 - Disk device: According to one embodiment, a disk device rotates a disk information storage medium to record and reproduce information on the information storage medium by use of a head that slides in contact with a lubricant coated on the information storage medium, wherein a sliding speed U, area A and normal... Agent: Kabushiki Kaisha Toshiba

20120194943 - Magnetic disk drive and method for controlling microactuator in magnetic disk drive: According to one embodiment, a magnetic disk drive includes a detector and a servo controller. The detector detects, as actual timestamps, time intervals at which a head reads servo sync marks recorded on a disk at predetermined intervals. The servo controller controls a VCM actuator and a microactuator with feedback... Agent: Kabushiki Kaisha Toshiba

20120194945 - Compensation for cross-track deviation: Cross-track deviation of a writer from a predetermined track on a recording medium is detected. A write current is adjusted based on the cross-track deviation of the writer from the predetermined track. The adjusted write current is applied to the writer to compensate for the cross-track deviation of the writer... Agent: Seagate Technology LLC

20120194946 - Information recording device and information recording method: According to one embodiment, an information recording device includes: a recording controller configured to control recording of information on a magnetic recording medium having tracks by a recording method; a managing module configured to manage two or more counters corresponding to each of plural track groups that are adjacent to... Agent: Kabushiki Kaisha Toshiba

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