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Dynamic information storage or retrieval August inventions list 08/11

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.
  
08/25/2011 > 23 patent applications in 16 patent subcategories. inventions list

20110205860 - Heat-assisted magnetic recording head including plasmon generator: A plasmon generator has an outer surface including a surface plasmon exciting surface, and has a near-field light generating part located in a medium facing surface. The surface plasmon exciting surface is a flat surface that faces an evanescent light generating surface of a waveguide with a predetermined distance therebetween.... Agent: Tdk Corporation

20110205861 - Light source power control for heat assisted magnetic recording (hamr): Apparatus and method for light source power control during the writing of data to a storage medium. In accordance with various embodiments, a data recording head is provided having a magnetic transducer and a light source. The light source is driven at a first power level to irradiate an adjacent... Agent: Seagate Technology LLC

20110205862 - 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 a L10 structure, characterized in that at least one of the underlayers is predominantly... Agent: Showa Denko K.k.

20110205863 - Hamr nft materials with improved thermal stability: A near field transducer includes gold and at least one dopant. The dopant can include at least one of: Cu, Rh, Ru, Ag, Ta, Cr, Al, Zr, V, Pd, Ir, Co, W, Ti, Mg, Fe, or Mo. The dopant concentration may be in a range from 0.5% and 30%. The... Agent: Seagate Technology LLC

20110205866 - Near field light generator, optical recording head and optical recording apparatus: Provided is a near field light generator to be utilized, effectively generating near field light with respect to a recording medium. Thus, disclosed is a near field light generator possessing a waveguide comprising a core and a cladding brought into contact with the core, to guide light having an electric... Agent:

20110205864 - Optical waveguide clad material: An apparatus includes a waveguide having a core layer and first and second cladding layers on opposite sides of the core layer, wherein the cladding layers comprise a binary oxide composition. In another example, the cladding layers include a ternary or quaternary combination of oxides and/or oxynitrides. In another example,... Agent: Seagate Technology LLC

20110205865 - Thermally-assisted magnetic recording head: A thermally assisted magnetic recording head with highly efficient optical coupling, while guiding a laser beam from a semiconductor laser element, i.e., a light source, to a leading end thereof, eliminating an influence due to heat generated by the element, and having excellent floating characteristics. The thermally assisted magnetic recording... Agent: Hitachi, Ltd.

20110205867 - Optical recording medium, and series of optical recording media: In a multilayer optical recording medium, it is an object to suppress generation of crosstalk while reducing an interlayer distance of recording and reading layers. In an optical recording medium including three or more recording and reading layers, a first distance, and a second distance greater than the first distance... Agent:

20110205871 - Optical disc drive and method of controlling the same: An optical disc drive for reading or writing information on a multilayer optical disc having three or more recording layers by irradiating the disc with a light beam includes an optical pickup for irradiating the disc with the light beam, a recording state detector for detecting data recording states at... Agent:

20110205868 - Optical recording medium and optical recording-reading method: Efficient recording and reading are achieved in an optical recording medium including servo layers and recording and reading layers. The optical recording medium includes: a first servo layer having a projection and a depression for tracking control that are formed in a first spiral direction; a second servo layer having... Agent:

20110205870 - Optical recording medium and optical recording-reading method: An optical recording medium including recording and reading layers and a servo layer increases the recording capacity thereof. In the optical recording medium including the plurality of recording and reading layers and the servo layer, the servo layer has a groove and a land that can be used to perform... Agent:

20110205869 - Optical recording-reading method and optical recording medium: An optical recording and reading method is provided in which the information necessary for recording and reading layers is quickly acquired to reduce the seek time during reading and recording. The optical recording and reading method is used for an optical recording medium that includes a plurality of recording and... Agent:

20110205872 - Optical disc drive and method of controlling the same: An optical disc drive for reading or writing information on a multilayer optical disc having a plurality of recording layers by irradiating the disc with a light beam includes an optical pickup for irradiating the disc with the light beam, a focus error signal generator for generating a focus error... Agent:

20110205873 - Long seek control system and method thereof used in optical information reproduction/recording system: A long seeking control method, for an optical information reproduction/recoding system having a lens and a sledge, includes: obtaining a sledge estimation velocity, a sledge estimation displacement, a sledge reference velocity and a first force applied to the sledge; determining to generate the sledge estimation velocity and the sledge estimation... Agent: Novatek Microelectronics Corp.

20110205875 - Optical disc controller and optical disc drive system: An object of this invention is to provide an optical disc controller and an optical disc drive system which reduce the proceeding time for supplementing data that is deficient at the time of writing to the optical disc. The present invention relates to an optical disc controller and a optical... Agent: Renesas Electronics Corporation

20110205876 - Optical information recording medium, optical information recording and reproducing device, method for controlling the device, optical information recording and reproducing program, and computer-readable storage medium: The present invention provides an optical information recording medium (2) capable of shortening a time from acquiring identification information to starting a program etc. recorded on an ROM layer. The optical information recording medium (2) includes two or more information recording layers, information of each of the two or more... Agent: Sharp Kabushiki Kaisha

20110205874 - Optical information recording medium, optical information recording method, and optical information recording apparatus: An information recording medium according to the present invention includes a plurality of recording layers, and a test area for determining a recording power of a laser light for each of the plurality of recording layers, in which a first test area of a first layer and a second test... Agent: Panasonic Corporation

20110205877 - Optical disc drive and method for reading data from optical disc: An optical disc drive according to the present invention is designed to read data from a multilayer optical disc 100, from/on which data can be read or written using a light beam. The drive includes a light source 222 for emitting a light beam, an objective lens 230 for converging... Agent:

20110205878 - Laser attachment device and optical pick-up device using the same: In a laser attachment device of the preferred embodiment of the invention, a pair of protruding portions are formed on a seating surface of a LD holder by which the position of a CAN package is fixed. The CAN package inserted in a through-hole comes into contact with the pair... Agent: Sanyo Electric Co., Ltd.

20110205879 - Optical pick-up device and method for manufacturing the same: Provided are an optical pick-up device which can appropriately correct an optical path of a laser beam emitted from a light-emitting chip arranged with a mounting error, and a method of manufacturing the same. An optical pick-up device includes: a first light-emitting chip and a second light-emitting chip which emit... Agent: Sanyo Optec Design Co., Ltd.

20110205880 - Optical beam forming appartus: An optical beam forming apparatus capable of forming a polarization of laser beam into an elliptic polarization includes a beam source to emit a semiconductor laser beam, a wave plate to receive the beam emitted from the beam source and to form an elliptic polarization, and a lens to focus... Agent: Samsung Electronics Co., Ltd.

20110205881 - Series of optical recording media: A series of optical recording media is provided to reduce a burden on an optical pickup by introducing a standardized idea among a plurality of optical recording media. In the series of optical recording media, optical recording media are of a plurality of types, each optical recording medium including a... Agent:

20110205882 - Series of optical recording media: A series of optical recording media is provided to reduce a burden on an optical pickup by introducing a standardized idea among a plurality of optical recording media. In the series of optical recording media, optical recording media are of a plurality of types, each optical recording medium including a... Agent:

  
08/18/2011 > 21 patent applications in 17 patent subcategories. inventions list

20110199867 - All-optical magnetic recording system using circularly polarized light and bit-patterned media: A perpendicular magnetic recording system uses bit-patterned media (BPM) and circularly polarized light to switch the magnetization of the discrete magnetic bits by the inverse Faraday effect. Circularly polarized light generates an external rotating electric field in a plane orthogonal to the light propagation direction, which induces a magnetic field... Agent: Hitachi Global Storage Technologies Netherlands B.v.

20110199868 - Information recording and reproduction apparatus: The present invention relates to an information recording and reproduction apparatus 1 which records the information on a disk D by heating the disk D with near-field light and causing magnetization reversal by applying a recording magnetic field to the disk D. A laser light source 20 is disposed in... Agent:

20110199869 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110199870 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110199874 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110199875 - Cd/dvd mode selection control using laser diode voltage: Circuitry for controlling mode selection of a CD/DVD reader is described. In one embodiment, the CD/DVD reader has a first device having at least one analog output, a second device having at least one digital input and at least one analog input, and an interface circuit coupling the analog output... Agent:

20110199871 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110199872 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110199873 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110199876 - Read and write power control methods and system for optical recording device: The present invention discloses read and write power control methods and system for an optical recording device that records information on an optical disk having read-only areas. The read and write power control methods respectively introduce the steps of determining a specific level of a former power control signal output... Agent: Mediatek Inc.

20110199877 - Method and device for optical recording onto optical disc medium: There is provided an optical recording method for directing a recording pulse train to an optical disc medium to form marks thereon and for recording information as information about the edge positions of said marks and the spaces between marks, the recording pulse train having been created by modulating laser... Agent:

20110199878 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110199879 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110199880 - Optical disc device and optical disc playback method: According to one embodiment, a device includes a filter which limits a frequency bandwidth of a reproduced signal from an optical disc, an AD conversion module which converts an output signal from the filter into a multilevel digital signal, an equalizing module for equalizing a waveform of the multilevel digital... Agent: Kabushiki Kaisha Toshiba

20110199881 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110199882 - Objective lens and optical pickup device: There are provided an optical pickup apparatus which can record/reproduce information properly at a time of temperature change or of using a multilayer disc, and an objective lens for use in the same. When temperature changes, spherical aberration resulting from a change in refractive index of objective lens OBJ increases.... Agent:

20110199884 - Aberration correcting device, optical device, and optical head device: The present invention relates to an aberration correcting device comprising: an aberration correcting element which modulates the phase of incident light; and a position adjusting section which can move the aberration correcting element in a direction perpendicular to an optical axis of the incident light, wherein the aberration correcting element... Agent: Asahi Glass Company, Limited

20110199883 - Optical disc apparatus and method for controlling the same: In recording or reproducing data on or from an optical disc with recording multi-layers, the focusing is likely to be out of control when an inter-layer jumping is carried out for changing a recording layer on or from which data is to be recorded or reproduced to another one. An... Agent:

20110199885 - Disk unit: In this disk unit, a tray has an air intake opening formed to extend from an upstream side in a rotational direction of a disk rotated by a rotating portion toward an optical pickup and to extend inward from outside a receiving region from the upstream side toward a downstream... Agent: Funai Electric Co., Ltd.

20110199886 - Optical pickup apparatus: An optical pickup apparatus includes: a circuit board; a laser diode mounted on one face of the circuit board; and a high-frequency superimposition integrated circuit arranged on the other face of the circuit board, the high-frequency superimposition integrated circuit including a high-frequency signal generation circuit, the circuit board having an... Agent: Sanyo Optec Design Co., Ltd.

20110199887 - Method and device for high density data storage: The present invention is directed to a method for producing a data storage medium on a surface of a substrate for storing data in the form of topographic features. The method comprises a first step wherein a crosslinking agent containing at least three alkyne groups is deposited on the surface... Agent: International Business Machines Corporation

  
08/11/2011 > 17 patent applications in 11 patent subcategories. inventions list

20110194383 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110194384 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110194385 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110194386 - Library apparatus, storage medium exchanging device, and storage medium exchanging method: A storage medium exchanging device to discharge a movable cell, which is one of plural magazine cells for storing a storage medium inserted from a doorway, and to store the movable cell, include a carrying part on which the movable cell is mounted; and a wrong insertion preventing part which... Agent:

20110194390 - Control method for adjusting laser power of laser beam irradiating multi-layer optical storage medium and related controller thereof: An exemplary control method for controlling access of a multi-layer optical storage medium includes: receiving a layer jump request for moving a focus point from a first recording layer of the multi-layer optical storage medium to a second recording layer of the multi-layer optical storage medium, and in response to... Agent:

20110194391 - Laser device, optical pickup, and optical disk device: A laser device includes a semiconductor laser, a signal generating circuit generating a pulse signal for driving the semiconductor laser, an amplifying circuit amplifying the pulse signal, and a control circuit unit provided between the amplifying circuit and the semiconductor laser and controlling the pulse signal by letting alternating-current components... Agent: Sony Corporation

20110194387 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110194388 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110194389 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110194392 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110194393 - Recordable optical disk, recording device, recording method, and reproduction device: The present invention is to realize a proper inner zone layout in an optical disk having at least three layers. A test area is provided in the inner zone (inner circumference side area) in each of recording layers. The test areas of each layer are so disposed as to be... Agent:

20110194394 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110194395 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent:

20110194396 - Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus: An optical pickup apparatus according to the present invention includes: a first light source for emitting a first light flux; a second light source for emitting a second light flux; a third light source for emitting a third light flux; and an objective optical element. The objective optical element has... Agent: Konica Minolta Opto, Inc.

20110194397 - Optical pickup device: An optical pickup device has a DVD/CD laser diode for emitting a DVD/CD laser beam as linear polarized light, and a BD laser diode for emitting a BD laser beam. The optical pickup device has a dichroic mirror that regularly reflects a part of the DVD/CD laser beam, transmits a... Agent:

20110194398 - Mems memory microprobe and recording apparatus: According to one embodiment, a MEMS memory microprobe includes a probe tip, a lever, and a base. The probe tip is arranged to oppose a recording medium and is brought into contact with the recording medium to perform recording or reproduction of information when a current or voltage is applied... Agent:

20110194399 - Radio frequency transponder for use with a medium: A radio frequency transponder for use with a disc, such as a CD or DVD has an antenna formed by depositing a conductive solution on a surface of disc outside at adjacent to its outer periphery outside of the disc storage area to yield at least one conductive region. A... Agent:

  
08/04/2011 > 17 patent applications in 15 patent subcategories. inventions list

20110188353 - Electron beam lithography method, electron beam lithography apparatus, method for producing a mold, and method for producing a magnetic disk medium: Irradiation of an electron beam onto a base plate having resist coated thereon is controlled by ON/OFF signals output to a blanking element. Beam deflecting operations are controlled by deflecting signals output to a deflecting element. Patterns of servo areas and data areas are scanned and drawn on the base... Agent: Fujifilm Corporation

20110188354 - Heat-assisted magnetic recording head with convergent lens: A heat-assisted magnetic recording head includes a magnetic pole, a waveguide that allows light to propagate therethrough, a near-field light generating element that generates near-field light based on the light propagating through the waveguide, a convergent lens, and a laser diode disposed above the waveguide. The convergent lens transmits light... Agent: Headway Technologies, Inc.

20110188356 - Head gimbal assembly and data recording and reproducing apparatus having the same: A head gimbal assembly includes: a suspension extending along a surface of a recording medium and being flexibly deformable in the thickness direction; a slider arranged so as to oppose the surface of the recording medium on a distal side of the suspension; a supporting portion configured to support the... Agent:

20110188355 - Information recording and reproduction apparatus: The present invention relates to an information recording and reproduction apparatus which records the information on a disk by heating the disk with near-field light and causing magnetization reversal by applying a recording magnetic field to the disk. A photoelectric composite wiring line 33 is provided in which an optical... Agent:

20110188357 - Labeling a disc with an optical disc drive: A system and method for labeling with a laser an optical disc having a plurality of markable locations. Signals indicative of a focus of the laser to the disc are measured, while rotating the disc at a constant angular velocity. Focus positions for designated ones of the locations to be... Agent:

20110188358 - Optical disk drive device and additional recording method: Disclosed herein are an optical recording medium driving device and an additional recording method, which performs tracking servo control for moving an objective lens in a direction orthogonal to a tangential direction of a guide track so that a guide tracking error signal is decreased with respect to a guide... Agent: Pioneer Corporation

20110188360 - Recording method for optical disk and optical disk recording reproduction device: There is proposed an optical disk recording method that can prevent degradation of recording quality due to occurrence of thermal interference, and an optical disk recording reproduction device used in this recording method. The recording method has a step of executing a test record on an output proofing area of... Agent:

20110188359 - Optical disk apparatus, semiconductor integrated circuit, and laser diode driver: In an optical disk apparatus, the same signal path is used to both reduce an interchannel phase shift in write strategy signals and also to perform the actual writing to the disk. The optical disk apparatus includes a laser diode, a laser diode driver, and a semiconductor integrated circuit. The... Agent: Renesas Electronics Corporation

20110188361 - Recording device and method, and computer program: A recording apparatus includes: a recording device for recording data onto a recording medium by applying a laser beam whose power can be adjusted; a first controlling device controlling the recording device to record calibration data while adjusting power; a first detecting device detecting calibration data recording quality; a second... Agent: Pioneer Corporation

20110188363 - Automatic power control system for optical disc drive and method thereof: A method and system for calibrating an initial driving signal for driving an optical pick-up head of an optical disk drive is provided. On one embodiment, said optical disk drive is utilized for reading or writing data on an optical disk, the optical disk includes a plurality of auto power... Agent: Mediatek Inc.

20110188362 - Write power setting method and optical disc device: A disc write power setting method and a disc device are provided. The write power setting method comprises reading writing characteristic information from a disc; writing test data for each of n write power values and detecting modulation with respect to the written data; calculating, for each of k power... Agent:

20110188364 - Optical disc drive and tracking method thereof: An optical disc drive and tracking method thereof are disclosed. The optical disc drive includes an optical pickup head, a slip compensation module, a tracking control module and a tracking drive. The optical pickup head generates a detected signal according to an optical signal from an optical disc. The slip... Agent: Mediatek Inc.

20110188365 - Disk apparatus to which iterative decoding is applied and method for operating log likelihood ratios in the same: According to one embodiment, a method for operating log likelihood ratios in a disk apparatus is disclosed. Iterative decoding is applied to the disk apparatus. The method can set windows for a sequence of the log likelihood ratios output by a soft-decision most-likelihood decoder based on the sequence of the... Agent: Kabushiki Kaisha Toshiba

20110188366 - Amplifier circuit and optical pickup device: An amplifier circuit and an optical pickup device supporting multi-layered optical discs and hi-speed play mode. The amplifier circuit includes photodiodes 11 to 15; operational amplifiers 21 to 25; feedback resistors 31 to 34; resistors 41 to 45; output terminals 51 to 55; reference voltage sources 56 and 57; a... Agent: Panasonic Corporation

20110188367 - Optical pickup device: An optical pickup includes a collimator lens having a diverging lens and a converging lens, such that it maintains a constant focal length and has a short optical path length. The collimator lens of the optical pickup device includes a diverging lens located at the side of a light source... Agent: Samsung Electronics Co., Ltd.

20110188368 - Optical information recording/reproduction method and device: It is possible to provide a new information recording/reproduction method and a device which can realize a small-size large-capacity memory having a characteristic equivalent to or higher than a hologram memory. The optical information recording/reproduction device includes: recording light generator (51) which generates a recording light (55) in a polarization... Agent:

20110188369 - Information recording medium, information recording method, information recording apparatus, information reproducing method and information reproducing apparatus: If a defective cluster in a spare area is managed with a defect entry, the size of a DFL will increase as the size of the spare area increases with an increase in the number of recording layers stacked in a disc. An information recording medium according to the present... Agent:

Previous industry: Horology: time measuring systems or devices
Next industry: Multiplex communications


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