|Dynamic information storage or retrieval patents - Monitor Patents|
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Dynamic information storage or retrieval September class, title,number 09/11Below 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. 09/29/2011 > 21 patent applications in 20 patent subcategories. class, title,number
20110235478 - Wave guide that attenuates evanescent light of higher order tm mode: A waveguide has a core through which laser light can propagate in a TM mode, that has a rectangular cross section perpendicular to a propagative direction of the laser light, and through which the laser light can propagate in a fundamental mode in which only one portion exists on the... Agent: Tdk Corporation
20110235479 - Thermally assisted magnetic recording medium and magnetic recording storage: Disclosed is a thermally assisted magnetic recording medium comprising a substrate, a plurality of underlayers formed on the substrate, and a magnetic layer which is formed on the underlayers and predominantly comprised of an alloy having an L10 structure, characterized in that at least one of said underlayers is predominantly... Agent: Showa Denko K.k.
20110235480 - Direct waveguide light delivery to nft for heat assisted magnetic recording: A magnetic recording head comprises a write pole having a pole tip adjacent to an air bearing surface, a return pole, an optical near field transducer positioned adjacent the pole tip and an air bearing surface for exposing a portion of a magnetic storage medium to high energy radiation. The... Agent: Seagate Technology LLC
20110235481 - Storage system and method for generating file system in the storage system: A storage system, which includes a plurality of ODDs, is configured so as to easily retrieving a predetermined file from files stored in a plurality of optical discs. The storage system includes a storage controller connected to the plurality of ODDs and a nonvolatile memory via a storage bus. Each... Agent: Hitachi Consumer Electronics Co., Ltd.
20110235483 - Disc apparatus: A disc apparatus is disclosed that includes a jitter-value detection unit configured to detect a jitter value based on a signal to be read from a medium. A detrack-value setting unit is configured to set a detrack value for focusing an objective lens in the medium based on the jitter... Agent: Sanyo Electric Co., Ltd.
20110235482 - Optical information processing method and optical information processing apparatus: An optical information processing method and apparatus performs a light irradiating and receiving step, a signal processing step, and an adjusting step of a spherical aberration and a focus offset on the basis of shift amount of first and second control devices and a performance evaluation value. The performance evaluation... Agent:
20110235484 - Recording device and recording method: In one example embodiment, a recording apparatus includes a laser and a controller. In one example embodiment, the recording apparatus records a second recording track on a recording medium which includes a first recording track which was previously recorded on the recording medium. In one example embodiment, the second recording... Agent: Sony Corporation
20110235485 - Optical information reproducing device, optical information recording device, and method for recording optical information: Multi-level recording is quite effective for attaining a larger capacity and a higher transfer rate in the case of an optical disk; however, with conventional technologies, a SIGNAL-TO-NOISE RATIO of a signal deteriorates along with an increase in a multi-level degree, creating a factor for limitations to the multi-level degree.... Agent: Hitachi Consumer Electronics Co., Ltd.
20110235486 - Optical disc drive and method for detecting vertical deviation thereon: An optical disc drive includes a disc holder, a pickup head, a focus servo, an S-curve identifying unit, a first counter, a second counter, a judging unit, a disc identifying unit, and a system controller. The optical disc drive can detect whether a disc exhibits vertical deviation. Upon detection, the... Agent: Hon Hai Precision Industry Co., Ltd.
20110235487 - Recording quality evaluation method of optical disk and optical disk storage system: There is provided a method of calculating the degradation over time of the quality of data recorded on an optical disk in a short time. In the method, when user data is recorded on a data area, a test signal including a component in which the signal level is smaller... Agent:
20110235488 - Super-resolution optical disc reader and read method optimized through amplitude measurement: The invention relates to the field of the optical recording of information on a medium, such as an optical disc. To read an optical disc in super-resolution mode, a procedure for optimizing the power of the read laser beam is implemented. This optimization is based on the observation that a... Agent: Commissariat A L'energie Atomique
20110235489 - Information recording/reproduction device and image forming method: An image formation width calculation circuit and an image formation shift amount determination circuit are provided so that, before a visible image is formed, an effective image formation diameter of an image formation laser spot is measured, and based on the result, a shift amount of the laser spot is... Agent: Panasonic Corporation
20110235490 - Amplitude-based approach for detection and classification of hard-disc defect regions: In a hard-disc drive, a defect region on the hard disc is classified as corresponding to either thermal asperity (TA) or media defect (MD) by generating two statistical measures. A first measure (e.g., ∝1) is based on (i) the magnitudes of one or both of signal values (e.g., equalizer input... Agent: Lsi Corporation
20110235491 - Optical recording medium and optical recording method: An optical recording medium having a good power margin during recording is provided. In an optical recording medium, a Cu recording layer that includes Cu as a main component, a first Si recording layer that is arranged adjacent to the cover layer side of the Cu recording layer and includes... Agent:
20110235492 - Optical head, diffraction device, objective lens, and optical disc apparatus: An object of the present invention is to reduce the influence of a stray light incident on a light receiving device by reflection of an unnecessary diffraction light not contributing to write or read on a disc surface at write or read of an optical disc having a large surface... Agent:
20110235493 - Collinear holographic storage method and apparatus: In the specification and drawings, a collinear holographic storage method is described and shown with a controlling step to control the temperature of the collinear holographic storage media such that the writing temperature of the collinear holographic storage media is from between about 5° C. to about 50° C. higher... Agent: National Chiao Tung University
20110235494 - Optical pickup apparatus: An optical pickup apparatus includes: a laser diode configured to generate a laser beam; and an objective lens having an annular diffraction zone formed on an incident surface thereof on which the laser beam is incident, the annular diffraction zone being a zone configured to focus the laser beam on... Agent: Sanyo Optec Design Co., Ltd.
20110235495 - Optical head and optical recording/reproducing apparatus: Certain embodiments provide an optical recording/reproducing apparatus including: a slider that has a medium facing surface that faces an optical recording medium, and moves along a recording/reproducing face of the optical recording/reproducing medium; a metal nanoparticle structure that is provided in the medium facing surface of the slider; a light... Agent: Kabushiki Kaisha Toshiba
20110235497 - Optical pickup device: The aberration takes place according to the height of the image because the laser light tilts from the optical axis when it enters to the object lens in the optical pickup device which is equipped with a laser diode for BD and the monolithic laser diode capable of irradiating laser... Agent: Sanyo Optec Design Co., Ltd.
20110235498 - Optical disk device and power supply method: According to one embodiment, an optical disk device includes types of semiconductor laser diodes configured to emit laser light of different wavelengths, an output control circuit configured to control light output of each semiconductor laser diode, and a composite power source configured to generate voltages required for driving the types... Agent: Kabushiki Kaisha Toshiba09/22/2011 > 16 patent applications in 14 patent subcategories. class, title,number
09/15/2011 > 14 patent applications in 14 patent subcategories. class, title,number
09/08/2011 > 10 patent applications in 10 patent subcategories. class, title,number
09/01/2011 > 11 patent applications in 11 patent subcategories. class, title,number
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