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Dynamic information storage or retrieval

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.
01/22/2015 > 2 patent applications in 2 patent subcategories.

20150023143 - Optical disc device and focus jump method: The optical disc device includes an optical pickup, a focus-error-signal generation section for generating a focus error signal of the differential astigmatic method by using a parameter and an electric signal outputted from a photodetector in the optical pickup, a control section for controlling the optical pickup to make a... Agent: Funai Electric Co., Ltd.

20150023144 - Method and system for measuring noise of a magnetic head: A method for measuring noise of a magnetic head includes setting a plurality of threshold values, applying bias current or voltage to a read element of the magnetic head, applying an external transverse magnetic field to the magnetic head, amplifying output signal from the read element to produce an amplified... Agent:

01/15/2015 > 5 patent applications in 5 patent subcategories.

20150016234 - Plasmonic funnel for focused optical delivery to a metallic medium: An apparatus includes a transducer including a plasmonic funnel having first and second ends with the first end having a smaller cross-sectional area than the second end, and a first section positioned adjacent to the first end of the plasmonic funnel, and a first waveguide having a core, positioned to... Agent:

20150016235 - Disk drive suspension assembly having a partially flangeless load point dimple: Various embodiments concern a suspension assembly of a disk drive. The suspension assembly includes a load beam comprising a major planar area formed from a substrate. The load beam further comprises a window in the substrate, a dimple formed from the substrate, and a flange. The flange is a region... Agent: Hutchinson Technology Incorporated

20150016236 - Magnetic recording medium, magnetic recording and reproducing apparatus, magnetic recording method and magnetic reproducing method: Provided is a magnetic recording medium including a structure in which at least a soft magnetic underlayer, a non-magnetic intermediate layer, and a magnetic recording layer are sequentially laminated on a non-magnetic substrate, wherein the magnetic recording layer includes a first magnetic layer, a non-magnetic layer, and a second magnetic... Agent: Showa Denko K.k.

20150016237 - Method for fabricating a patterned composite structure: The embodiments disclose a patterned composite magnetic layer structure configured to use magnetic materials having differing temperature and magnetization characteristics in a recording device, wherein the patterned composite magnetic layer structure includes magnetic layers, at least one first magnetic material configured to be used in a particular order to reduce... Agent: Seagate Technology LLC

20150016238 - Plasmonic waveguide with an angled, elongated portion: An apparatus includes an input region having a high-refractive-index material and an input surface configured to receive light emitted from a laser. An output surface of the apparatus is configured to deliver energy to a recording medium. The apparatus includes a plasmonic waveguide having a first elongated portion at an... Agent: Seagate Technology LLC

01/08/2015 > 8 patent applications in 8 patent subcategories.

20150009785 - Medium, method of fabricating a medium, recording system and method of controlling a recording system: A medium may be provided. The medium includes a servo layer, a data recording layer, and a heat sink layer disposed between the servo layer and the recording layer.... Agent:

20150009786 - Magnetic recording medium and magnetic storage apparatus: A magnetic recording medium includes a substrate, a magnetic layer including an alloy having an L10 type crystal structure, and a plurality of underlayers arranged between the substrate and the magnetic layer. At least one of the plurality of underlayers is a soft magnetic underlayer formed by an alloy having... Agent: Showa Denko K.k.

20150009787 - Variable bit aspect ratios in magnetic media: An apparatus comprises a write transducer, an energy source, and a controller. The write transducer is configured to write data to a magnetic recording medium, and the energy source is configured to heat the magnetic recording medium while it is being written to by the write transducer. The controller is... Agent:

20150009788 - Optical information recording/reproduction device, and optical information recording/reproduction method: Provided are an optical information recording/reproduction device and an optical information recording/reproduction method with which retry data during verify error detection can be efficiently recorded. In the optical information recording/reproduction device for recording data on an optical information recording media and reproducing data from an optical information recording medium, if... Agent: Hitachi Consumer Electronics Co., Ltd.

20150009789 - Hard disc drive cover seal: Certain embodiments of the present disclosure include a hard disc drive housing comprising a baseplate having a bottom portion and walls extending from a perimeter of the bottom portion, the walls including a clearance area; a cover that includes a planar interface surface with the baseplate, the interface surface having... Agent:

20150009790 - Objective lens and optical pickup device: An object lens R has lens surfaces R1, R2 which converges BD light, DVD light and CD light with prescribed numerical apertures into spots, and an antireflective film R1a formed on the lens surface R1. The lens surface R1 includes a BD exclusive region A1, a two-wavelength common region A2,... Agent:

20150009791 - Tape guide with flanges: A tape guide is provided for use with a tape drive that is configured to receive a length of tape having a tape width. The tape guide includes a body having an outer surface for receiving the tape thereon, and flanges on opposite ends of the body. The flanges may... Agent:

20150009792 - Grooved tape guide roller: A tape guide roller, for use with a tape drive that is configured to receive a length of tape, includes a roller body having an outer surface with one or more grooved areas and one or more non-grooved areas. The one or more grooved areas make up seventy-five percent or... Agent:

01/01/2015 > 8 patent applications in 5 patent subcategories.

20150003219 - Magnetic head, magnetic disk drive, and method of controlling magnetic head: According to one embodiment, there is provided a magnetic head including a wave guide, a near field transducer, a writing magnetic pole, a magnetic core, a writing coil, and a first temperature control element. The near field transducer is disposed on an ABS surface and to which light is guided... Agent: Kabushiki Kaisha Toshiba

20150003218 - Trenched near-field transducer for heat assisted magnetic recording: A near-field transducer includes an enlarged transducer portion of plasmonic material extending from an input end to an output end, a surface of the transducer portion including a trench running between two raised portions of the plasmonic material, the trench extending at least partially from the input end to the... Agent:

20150003220 - Submount layers configured to enhance absorption of light proximate a bonding feature: An apparatus includes a submount having a mounting surface and a top surface opposite the mounting surface. A slider has a bonding feature that interfaces with the mounting surface of the submount, and two or more layers are disposed between the mounting surface of the submount and the bonding feature.... Agent:

20150003221 - Time-multiplexed single input single output (siso) data recovery channel: Apparatus and method for recovering data from a multi-channel input signal, such as but not limited to a readback signal from a bit patterned medium (BPM) having a plurality of subtracks. In accordance with some embodiments, a single input single output (SISO) equalizer is adapted to generate equalized outputs responsive... Agent:

20150003222 - Clearance sensor and circuitry using adjustable channel parameters: A transducer is configured to interact with a magnetic storage medium, a first channel comprises a first sensor and first circuitry configured to adjust a plurality of first channel parameters, and a second channel comprises a second sensor and second circuitry configured to adjust a plurality of second channel parameters.... Agent:

20150003223 - Sensing temperature at a slider protrusion region: An apparatus includes a near-field transducer at or near an air bearing surface of the apparatus. A write pole is disposed at or near the air bearing surface and proximate the near-field transducer, respectively. A thermal sensor is disposed at the air bearing surface and within a protrusion region of... Agent:

20150003224 - Testing device and method thereof: A testing device in communication with a disc player includes a storage device and a display device. The storage stores a start command, an end command, and a reference value range of each of several performance parameters of the disc player. The start command is sent to the disc player... Agent:

20150003225 - Signal processing apparatus and information reproduction apparatus: According to an embodiment, a signal processing apparatus includes a first signal processor, a second signal processor and a third signal processor. The first signal processor suppresses an offset component remaining in a reproduction signal read from an optical recording medium to obtain a first signal. The second signal processor... Agent: Kabushiki Kaisha Toshiba

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