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Dynamic information storage or retrieval February patent applications/inventions, industry category 02/09

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.
02/26/2009 > patent applications in patent subcategories.

20090052286 - Apparatus and method for recording digital data: To reduce the occurrence of fragmentation when variable-bit-rate digital data is recorded on a continuous area of unit periods. When the amount of data in the buffer memory is larger than that for one unit period, the digital data in the buffer memory is read every unit period, and the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090052287 - Disc control device: A defect detection unit (5), a disc position detection unit (9), and a disc rotation speed detection unit (10) are provided in a disc control device comprising a repetition control device to control storing to and reading from a memory unit (3) used as a learning memory and to vary... Agent: Steptoe & Johnson LLP

20090052288 - Distance measuring apparatus: A distance measuring apparatus for measuring a distance to a target point in a target area comprises a laser oscillator for generating a laser beam having a first wavelength, a nonlinear crystal into which the laser beam having the first wavelength generated by the laser oscillator enters, the nonlinear crystal... Agent: Brinks Hofer Gilson & Lione

20090052289 - System and method of defect description of a data storage medium: The disclosure is directed toward systems and methods of defect description of a data storage medium. In a particular embodiment, a method includes determining a first defect of a data storage medium. The method also includes determining a format of an entry of a defect description table based on the... Agent: Seagate Technology LLC C/o Westman Champlin & Kelly, P.A.

20090052290 - Optical disk device and method for processing optical disk: According to one embodiment, the invention provides an optical disk device having a drive and a control section. The drive applies recording processing and reproduction processing to an optical disk. When the optical disk is an unformatted blank medium, if the drive detects a medium ID and a medium key... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090052291 - Composite reproducing apparatus: An optical disc reproducing device that composes a composite reproducing apparatus in accordance with the present invention includes an optical disc detecting portion which detects inserting and ejecting of an optical disc. The optical disc reproducing device also includes an identification information obtaining portion which obtains identification information to uniquely... Agent: Morgan Lewis & Bockius LLP

20090052292 - Method and system for signal gain control in optical disc drives: A signal gain control method and system for use in optical disc drives to prevent undesirable saturation occurrences in circuit operations. The method includes fetching a preset reading front monitor diode signal and a preset gain controlling signal for reading; generating a front monitor diode signal by a front monitor... Agent: North America Intellectual Property Corporation

20090052293 - Bit detection for multitrack digital data storage: The use of a multi-track format in both optical and magnetic data storage applications provides for a number of improvements to system performance including data density and data transfer rates. However, the full advantage in data density can only be achieved through the use of joint equalization and joint detection.... Agent: Philips Intellectual Property & Standards

20090052294 - Information recording medium, information reproducing apparatus and information reproducing method: A data reproducing apparatus includes a data pulse generating section and a detector section which converts a readout signal reproduced from a data recording medium into a binary data in synchronization with the readout signal to output the binary data as a pulsed output signal. The detector section outputs a... Agent: Young & Thompson

20090052295 - Optical disk cleaning device: An optical disk polishing device which includes: a disk holder for rotatably holding an optical disk 11, the disk holder installed in a lower fixed portion 10; a cylindrical buff disposed in parallel with the surface of the optical disk 11 and perpendicular to a rotary shaft of the disk... Agent: Oliff & Berridge, PLC

20090052296 - Computer with multiple hard drives: One exemplary embodiment is a computer having a base and first and second hard disk drives enclosed in the base. The second hard disk drive is stacked on the first hard disk drive and is removable from the base.... Agent: Hewlett Packard Company

20090052298 - Apparatus for recording of information: With an object of executing excellent finishing processing when information is recorded to a rewritable type record medium or a write once type record medium, the finishing processing is switched by whether a kind of a medium for recording information is the rewritable type record medium or the write once... Agent: Townsend And Townsend And Crew, LLP

20090052297 - Integrated optical memory: An optical memory includes an array of optical material and a beam scanning device. The optical material assumes first and second states, and incident light causes the optical material to transition from the first state to the second state. The beam scanning device selectively directs a received optical data signal... Agent: Harness, Dickey & Pierce, P.L.C

20090052299 - Optical information recording medium and information recording method: There is provided an optical information recording medium including, on a substrate, a recording layer in which information can be recorded by irradiating a laser beam having a wavelength of 440 nm or less, wherein the recording layer includes an oxonol dye that has a maximum absorption wavelength longer than... Agent: Sughrue Mion, PLLC

20090052300 - Hologram information recording medium and hologram information recording/reproducing device: [Solving Means] In one recording area 31 of a recording medium 3, a plurality of the same information groups are recorded in substantially the same area with varied multi-parameters, in consideration of the expansion and the contraction of the recording medium 3. That is, a plurality of data groups A... Agent: Weaver Austin Villeneuve & Sampson LLP

20090052301 - Optical system for detecting data signal and tracking error signal including polarizing optical element: In an optical system, reflected light from the disk is diffracted by a hologram optical element, and received by an optical detector. A focusing error signal is detected from −1st-order diffracted light of the hologram optical element. A tracking error signal by the differential phase method, a tracking error signal... Agent: Foley And Lardner LLP Suite 500

20090052302 - Recording apparatus and recording medium, and computer program: A recording apparatus includes: a recording device for recording data onto each of a plurality of types of recording media by irradiating a light beam corresponding to each of the types of recording media; a diffracting device disposed on an optical path of the light beam from the recording device... Agent: Young & Thompson

20090052303 - Objective optical element and optical head apparatus: Two optical discs used with a laser light having the same wavelength but having different substrate thicknesses can be handled by a single optical disc apparatus and a multilayer optical disc can also be reproduced. A refractive lens unit and liquid crystal elements are provided so as to condense laser... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090052304 - Optical head device and optical information processor: A laser beam 32 reflected by an information layer of a multilayer optical disc 26 is reflected and split by reflecting surfaces 31a′, 31b, 31c and 31d to be incident on a photodetector element 36 as laser beams 33, 34 and 35. The laser beam 34 is collected on a... Agent: Wenderoth, Lind & Ponack L.L.P.

20090052305 - Optical pick-up: l

20090052306 - Semiconductor laser generator and method of controlling the same, and optical disk device: The present invention provides a laser generator that allows recording quality to be improved, a method of controlling the laser generator, and an optical disk device. In a laser emitting device including a semiconductor laser diode emitting laser and a semiconductor laser diode driving section supplying a driving pulse to... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090052307 - Objective optical system and optical information recording/reproducing device having the same: There is provided an objective optical system for an optical information recording/reproducing device. The objective optical system includes an optical element having an annular zone structure on at least one surface. The annular zone structure includes annular zones configured to have at least one step formed, at a boundary between... Agent: Greenblum & Bernstein, P.L.C

20090052308 - Apparatus for accessing storage media: An apparatus for accessing storage media, having an actuator base and an actuator carrier, where for compact design and low material cost, an elastic connection pressing the actuator carrier against the actuator base is a straight piece of spring wire.... Agent: Joseph J. Laks Thomson Licensing LLC

20090052309 - Optical disc comprising rf transponder: An optical disc having a center, an outer periphery and a metal layer between the center and the outer periphery. A tag comprising a radio frequency transponder is located in a region adjacent the outer periphery. This arrangement facilitates reading the transponder with an external reader when a plurality of... Agent: Ostrolenk Faber Gerb & Soffen

20090052311 - Data storage systems that implement sector sets: A data storage device has a data storage medium configured to store a first version of data in parent sectors. The data storage device is configured to store a second version of the data in child sectors. The child sectors have the same logical block addresses as the parent sectors.... Agent: Steven J. Cahill/ Hitachi Gst

20090052310 - Optical disc reproduction method and device, and optical disc manufacturing method: According to the present invention, there is provided an optical disc player adapted to record a unique ID on a read-only optical disc and positively read the unique ID from the optical disc. The optical disc (1) played with this player has a specific physical cluster in which the unique... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090052312 - Recording apparatus, reproducing apparatus, recording method, reproducing method, and recording medium: A recording apparatus for recording data on a recording medium having at least one recording layer, includes a loading unit and a recorder unit. On the loading unit, the recording medium is capable of being loaded. The recorder unit is configured to cause the at least one recording layer a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090052313 - Manufacturing record carriers suitable for post-recording: The present invention relates to a method and to an apparatus for manufacturing a record carrier having stored a content information in the form of a modulated bitstream 29 obtained from the content information by steps of encoding 21 and modulating 26. The record carrier has a number of dummy... Agent: Philips Intellectual Property & Standards

20090052314 - Recording medium with optional information and apparatus and methods for forming, recording, reproducing and controlling reproduction of the recording medium: A recording medium, such as a high-density and/or read-only recording medium, such as BD-ROM, which includes an identification information, which can identify whether optional information, such as copy protection information, is needed or not for the playback of contents stored on the recording medium, and to methods and apparatuses for... Agent: Harness, Dickey & Pierce, P.L.C

02/19/2009 > patent applications in patent subcategories.

20090046543 - Image processing system and method for silhouette rendering and display of images during interventional procedures: A positioning system in an optical card reading apparatus, for accurately positioning the optical card (801) relative to the probe array (102) used to read the data stored on the card. The card (801) is provided with a pattern of servo bands (800) and the sensor (103) used to read... Agent: Philips Intellectual Property & Standards

20090046544 - Contents management method and contents distribution method: Contents data is constituted of at least two sets of data. One of the two sets of data is stored on a disk, while the other of the two sets is stored on a memory provided in a server side that is connected via a network. When reproducing the disk,... Agent: Merchant & Gould PC

20090046545 - Intelligent media buffering based on input focus proximity: A system and method of pre-buffering media files may be employed to improve the initial playback performance of a media file. In accordance with one aspect, a media player application may present a list of media files for playback. Based on a location and/or movement of an input focus device,... Agent: Yahoo! Inc.

20090046546 - Driving device: A controller 27 controls the driving member 2 to move the conveyer 23 as a second member to a target position of the receiving rack 10 as a first member in the other direction after moving the conveyer 23 over the target position when the conveyer 23 is moved in... Agent: Sughrue Mion, PLLC

20090046549 - Optical disc device, crosstalk correction method, and integrated circuit: When a focus error signal (FE signal) is detected with an astigmatic method, a track crossing component leaks into the FE signal. Another detection method for the FE signal would reduce the leaking signal, but is not applicable when the light use efficiency decreases. An optical crosstalk correction amount determination... Agent: Wenderoth, Lind & Ponack L.L.P.

20090046548 - Optical head apparatus and optical information recording/reproducing apparatus: An optical head apparatus of an optical information recording/reproducing apparatus is provided with a light source. An objective lens focuses an output light emitted by said light source on a disc optical recording medium for which a groove or a pit for tracking is provided. T photo-detector receives a reflected... Agent: Young & Thompson

20090046547 - System, method, and apparatus for characterizing, tracking, and segregating known defective disk regions on patterned disks: A system for tracking and segregating repeated defects on media disks as tabled data in disk drives is disclosed. The disks have the same defects as the sub-master from which they are formed. Likewise, the sub-masters have the same defects as the master from which they are formed which, in... Agent: Bracewell & Giuliani LLP

20090046550 - Optical recording medium, recording method thereof and evaluation method of optical recording medium: A recording method of an optical recording medium comprises irradiating the medium with a laser having m pulse sets each comprising a heating pulse and a cooling pulse, in which m is a natural number; and scanning the medium with the laser at a scanning speed v to record marks... Agent: Cooper & Dunham, LLP

20090046552 - Medium control device, medium control method, and recording medium: A medium control device for accepting a medium, reading from or writing to the medium, and monitoring for errors that occur while reading or writing provides a quality determiner for determining whether the quality of the medium has deteriorated based on errors by monitoring for the errors that occur while... Agent: Staas & Halsey LLP

20090046551 - Information reproduction device: An information reproducing apparatus (1) is provided with: a detecting device (11) for irradiating an information recording medium with laser light (LB) and detecting reflected light as a detection signal, the information recording medium including a first recording layer (L0) and a second recording layer (L1); a high pass filter... Agent: Young & Thompson

20090046553 - Protection of disk data carriers against making illegal copies: Present invention refers to a system for protection of data storage discs such as CD, DVD, Video CD, Photo CD, etc., containing subjects of copyright, from illegal copying. Present invention comprises a disc with security code, modified reading device and software. The disc is equipped with a security code situated... Agent: Peter R. Ruzek

20090046554 - Optical head device and optical information recording or reproducing apparatus equipped with same: [Means for Solving the Problems] Light emitted from a light source is divided by a diffraction optical element (3a) into a main beam that is transmitted light, first sub beams that are positive and negative first order diffracted light beams, and second sub beams that are positive and negative second... Agent: Scully Scott Murphy & Presser, PC

20090046556 - Bit detection for optical disc reading: A bit detector (203) for an optical disc reading apparatus comprises an interface (401) which receives central aperture signal values from an optical disc reader (101). The interface is coupled to a threshold detector (403) which assigns a first data value to data bits having corresponding central aperture signal values... Agent: Philips Intellectual Property & Standards

20090046555 - Write signal generator with delay calibration: An aligned write signal generator with alignment calibration utilizes an alignment unit to align a plurality of write signal. The aligned write signal generator includes a write signal generator for receiving an EFM signal and converting the EFM signal into a plurality of write signals according to a write strategy... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090046557 - Prml (partial response maximum likelihood) information reproducing method and information reproducing apparatus for implementing the same: An information reproducing method using PRML technology which provides asymmetry compensation and also assures media interchangeability. To compensate for asymmetry, target levels are basically adapted to readout signals and either restriction type (1) (time reversal and level reversal symmetry) or restriction type (2) (time reversal symmetry) is imposed between target... Agent: Stanley P. Fisher Reed Smith LLP

20090046558 - Optical information recording medium, bca information recorder, and bca information recording method: [Problems] Multilayered optical information recording media involve a problem that a BCA is erroneously formed in a different information recording layer even if the BCA is intended to be formed in a specific information recording layer. [Means for Solving the Problems] An optical information medium (1) for recording/reproducing information by... Agent: Sughrue Mion, PLLC

20090046560 - Hologram recording and reproduction apparatus: A hologram recording and reproduction apparatus is disclosed which can raise the degree of freedom in design to achieve miniaturization thereof and can raise the hologram recording density of the shift multiplexing type. Upon recording, recording light specially optically modulated by a spatial optical modulator and reference light having a... Agent: Rader Fishman & Grauer PLLC

20090046559 - Holographic information storage medium, and method and apparatus for recording/reproducing holographic information using the same: A holographic storage medium includes a substrate; a cover layer to receive a first circular polarization beam having a first polarization direction and a second circular polarization beam having a second polarization direction orthogonal to the first polarization direction; a polarization beam splitting/reflective layer disposed between the substrate and the... Agent: Stein, Mcewen & Bui, LLP

20090046561 - Optical pickup device: It is an object of the present invention to maintain a light flux separating unit in a stable state with a high positioning accuracy relative to a physical deformation when the light flux separating unit is attached or a great temperature change after the light flux separating unit is attached,... Agent: Ratnerprestia

20090046562 - Light source unit, optical detector unit, optical pickup device, and optical disk device: A light source unit comprises a plurality of light sources emitting a plurality of light beams. A plurality of volume hologram elements are provided for the plurality of light sources respectively, each volume hologram element having a plane of incidence of an incoming light beam and a plane of outgoing... Agent: Dickstein Shapiro LLP

20090046563 - Optical information recording and reproducing apparatus: An optical information recording and reproducing apparatus is provided for recording and/or reproducing information on an optical disc including a recording layer in which information can be recorded at recording positions each located at a different distance from a surface of the optical disc. The optical information recording and reproducing... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090046564 - Optical head and optical disc device: In an optical head (10) used for an optical disc (30) in which light-transmitting layers largely change in thickness, a degree-of-diversion/convergence enlarging member (20) fixed between a collimating lens (4) and an objective lens (6) is arranged. With this configuration, a moving range of the collimating lens can be reduced,... Agent: Wenderoth, Lind & Ponack L.L.P.

20090046565 - Method for determining optimum laser beam power and otical recording medium: To provide a method for determining an optimum laser beam power for a single-side, dual-layer optical recording medium having first and second information layers, the method including: determining an optimum laser beam power based on a predetermined characteristic value at the time when the number of overwrite cycles on the... Agent: Dickstein Shapiro LLP

20090046567 - Optical information recording medium and method for manufacturing optical information recording medium: An optical information recording medium, includes a disc-shaped substrate, at least one information recording layer formed over a recording/reproducing-side main surface of the substrate, a light transmitting layer formed over the information recording layer, and a protecting layer formed to cover the light transmitting layer and at least one part... Agent: Wenderoth, Lind & Ponack L.L.P.

20090046566 - Recording layer for optical information recording medium, optical information recording medium, and sputtering target for optical information recording medium: Provided is a recording layer for optical information storage media, which not only excels in initial reflectivity and creativity of recording marks, but also extremely excels in durability under high temperature and high humidity conditions, and which can be adequately applied to next-generation optical discs using blue-violet laser. The recording... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

02/12/2009 > patent applications in patent subcategories.

20090040883 - Magnetic track using magnetic domain wall movement and information storage device including the same: Provided are a magnetic track using magnetic domain wall movement and an information storage device including the same. A magnetic track may comprise a zigzag shaped storage track including a plurality of first magnetic layers in parallel with each other, and stacked separate from each other, and a plurality of... Agent: Harness, Dickey & Pierce, P.L.C

20090040884 - Accessing pre-recorded content on a record carrier: A system includes a first manufacturing apparatus (510) for manufacturing a plurality of record carriers, such as DVDs, with a pre-recorded area storing the same content. A second manufacturing apparatus (520) stores an identifier in an identifier area of the record carriers. The identifier is unique for distinct groups of... Agent: Philips Intellectual Property & Standards

20090040885 - Search method: A search light 21 is generated from a search condition (S1). The search light is irradiated onto a hologram 104a recorded in a hologram recording layer 104 (S2). When the search light interferes with the hologram and a reproduction light is generated, address information of the hologram from which the... Agent: Quinn Emanuel Urquhart Oliver & Hedges Koda/androlia

20090040886 - Disk playback apparatus and method: To provide a disk playback apparatus and a playback method which, upon issuance of a request for sound-playback from an arbitrary position on a disk, can playback sound instantly without disposing complicated switching means, the present invention provides a disk playback apparatus having access means for accessing a disk, and... Agent: Mcdermott Will & Emery LLP

20090040887 - Optical disk reproduction apparatus: This disclosure concerns an optical-disk reproduction apparatus comprising an amplifier which supplies information from an optical-disk as an information signal and a servo error signal; a servo controller controlling an optical-pickup read operation in response to the servo error signal; a rotation address producer producing a rotation address corresponding to... Agent: Amin, Turocy & Calvin, LLP

20090040888 - Method and apparatus for generating the wobble clock signal: A method for generating a wobble clock signal. When the wobble signal becomes deformed or a defect on the optical disc is found, the present invention provides a stable wobble clock signal, which is used to maintain a stable rotation speed when the optical disc is processed. In addition, the... Agent: Perkins Coie LLP Patent-sea

20090040889 - Wobble signal demodulation method and wobble signal demodulator: Pseudo synchronization due to crosstalk is detected with a small circuit scale in decoding address information from an MSK-modulated wobble signal. An MSK mark detection unit detects MSK marks periodically placed as synchronization signals in a wobble signal. A first synchronization state determination unit determines synchronization establishment with a detection... Agent: Foley And Lardner LLP Suite 500

20090040890 - Information recording/reproduction apparatus, information recording method and information recording medium: Provided is a recording/reproduction apparatus capable of securing a backup area for management information on a recording medium without affecting the capacity of a user data area. Before a hard disk drive or a disc medium (recording medium) is finalized, metadata is recorded in a metadata area and when the... Agent: Mcdermott Will & Emery LLP

20090040891 - Optical storage device capable of operating when abnormal, and related method: An optical storage device capable of operating when abnormal, includes: a control unit for controlling operations of the optical storage device; and a sensor coupled to the control unit, where in a normal mode of the optical storage device, the control unit triggers the start-up or stop of a procedure... Agent: North America Intellectual Property Corporation

20090040892 - Information recording medium, data structure, and recording apparatus: A video object (26) contains a cell (31) which can be appropriately read and reproduced and a dummy cell (32) which cannot be appropriately read or reproduced. Video title set information (21) contains a plurality of program chains (40) containing a real program chain not specifying the dummy cell (32)... Agent: Young & Thompson

20090040894 - Optical head and data processing apparatus including the same: An optical data processing apparatus reads and/or writes data from/on a data storage medium, in which first and second data storage layer are stacked. The apparatus includes: a light detector including at least one photodetector for generating a light quantity signal; a detecting optical system for guiding reflected light beams... Agent: Panitch Schwarze Belisario & Nadel LLP

20090040893 - Optical pickup device and optical disk device: An optical pickup device or an optical disk device includes: a light source 11 that emits a laser beam toward an optical disk 25; an optical receiver 18 that detects light reflected from the optical disk 25; and an astigmatism-generating element 31 that generates light used for focus control in... Agent: Panasonic Patent Center Panasonic Corporation Of North America

20090040896 - Optical disk apparatus and method of controlling optical disk apparatus: An optical disk apparatus includes a rotary driving unit rotating an optical disk which is flexible, an optical pickup irradiating light upon a recording surface of the optical disk on which writing/reading of information is performed, a stabilizing unit stabilizing vibration of the optical disk in a rotary axial direction... Agent: Dickstein Shapiro LLP

20090040895 - System for scribing a visible label: A device is for scribing a visible label on the medium. The medium (11), for example an optical disc, has a label side provided with a radiation sensitive layer for creating the visible label via a beam of radiation. The device has a head (22) for providing the beam and... Agent: Philips Intellectual Property & Standards

20090040897 - Reproducing signal measuring method, signal reproducing apparatus, and optical recording medium: Regarding a signal recorded with a first frequency in a recording area on a specific first recording layer and a signal recorded with a second frequency different from the first frequency in a recording area on a second recording layer which might cause interlayer crosstalk in relation to the first... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090040898 - Method and device for simulating a multi-layer optical storage medium: A method, a device, and a computer-readable medium for simulating a multilayer optical storage medium are disclosed. A multiple-layer optical storage medium is simulated by using a set of multiple single-layer media, wherein the number of multiple single-layer media is equal to or smaller than the number of multiple layers... Agent: Philips Intellectual Property & Standards

20090040899 - Information recording device and method, computer program for record control, and information recording medium: An information recording device (300) is provided with (i) a recording unit (301 or the like) for recording first information in a first recording layer (L0 layer) and for recording second information in a second recording layer (L1 layer) by a laser beam transmitted through the first recording layer, and... Agent: Young & Thompson

20090040901 - Information recording method and apparatus with suppressed mark edge jitters: Recording information is disclosed in which an information recording medium is irradiated with a recording energy beam that is power-modulated into at least a record power level and a record-ready power level lower than the record power level. The information is recorded on the recording medium in the form of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090040902 - Optical pickup device and optical disc device with such optical pickup device mounted thereon: An optical disk apparatus according to the present invention includes an optical pickup device and a control section for controlling an operation of the optical pickup device. The optical pickup device includes a plurality of first wiring lines for transmitting signals from the control section, a second wiring line to... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090040900 - Pasting method of non-insulation sheet upon printed circuit board, as well as, printed circuit board and optical disk apparatus: A pasting method for pasting a non-insulation sheet 20 on a printed circuit board 10, for pasting the non-insulation sheet 20 for shielding electromagnetic waves upon a surface of the printed circuit board 10, which comprises a pattern land formed on an insulation board for soldering a part thereon and... Agent: Mcdermott Will & Emery LLP

20090040903 - Hologram recording/reproducing apparatus and light source apparatus: A hologram recording/reproducing apparatus records data as a hologram by applying signal and reference light beams to a hologram-recording medium, obtains a diffracted light beam by applying a reproduction light beam to the hologram, and reproduces the data using the diffracted light beam. The hologram recording/reproducing apparatus includes an external-cavity... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090040904 - Laser driving device, optical head incorporating laser driving device, and optical disk apparatus: The laser driving device includes: a laser driving section for supplying a driving current for causing a semiconductor laser to emit light; a temperature detecting section for detecting a temperature of the semiconductor laser; and a voltage control section for supplying a source voltage to the laser driving section while... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090040905 - Objective lens driving device, control circuit, optical disc device and objective lens driving method: An objective lens driving device includes an objective lens holder 2 that holds an objective lens 1, plural elastic supporting members 6A through 6F that support the objective lens holder 2, tracking coils 4A and 4B that drive the objective lens holder 2 in the tracking direction, tilting coils 11A... Agent: Wenderoth, Lind & Ponack L.L.P.

20090040908 - Optical pickup and optical information processing apparatus: An optical pickup performing recording, reproduction and deletion of information on or from an optical recording medium. The pickup includes light sources for information recording media using a blue wavelength beam, information recording media of DVD family and information recording media of CD family. A single object lens may be... Agent: Dickstein Shapiro LLP

20090040907 - Optical pickup device and optical disk apparatus including the same: An optical pickup device includes an objective-lens driving mechanism including a lens holder that holds an objective lens configured to focus a light beam emitted from a light source onto an optical disk, a support unit that movably supports the lens holder in a focusing direction parallel to an optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090040906 - Sil near-field system: A solid immersion lens (SIL) near-field system including: a radially polarized beam generator to generate a radially polarized beam; an SIL; an objective lens to focus the radially polarized beam on a bottom surface of the SIL; and a mask to shield a center portion of the radially polarized beam,... Agent: Stein, Mcewen & Bui, LLP

20090040909 - Optical head device and optical information device: An optical head device is provided with a light source 1 for emitting a plurality of lights having different wavelengths, an objective lens 31 for focusing a light spot on an optical disc 21, an objective lens 32 for focusing light spots on optical discs 22 to 24, and a... Agent: Wenderoth, Lind & Ponack L.L.P.

20090040910 - Optical pickup device and optical disk device: A light source emits light with a first wavelength and light with a second wavelength longer than the first wavelength toward an optical disk from adjacent positions. An optical receiver detects light reflected from the optical disk. An astigmatism-generating element generates light used for focus control in a condition where... Agent: Panasonic Patent Center Panasonic Corporation Of North America

20090040911 - Cantilever on cantilever structure: In one embodiment, the present invention includes an apparatus having a first cantilever structure to move in a vertical direction, including a first plate formed of a conductive material, an insulation beam adapted on a portion of the first plate, and a second cantilever structure adapted on the insulation beam... Agent: Trop Pruner & Hu, PC

20090040912 - Optical disc assemblies for performing assays: This invention relates to an optical disc assembly capable of receiving an insert upon which an analyte of interest may be disposed. The optical disc assembly can be read by an optical disc reader, such as by a standard CD or DVD reader, and the analyte disposed on the insert... Agent: Knobbe Martens Olson & Bear LLP

20090040914 - Information recording medium, information recording apparatus and method, and computer program: An optical disk (100) comprises recording management areas (103, 113) in which record management data for managing data recording is recorded. The record management data includes (i) physical position information (122, 125, 126) indicating the positions of physical buffer areas in which buffer data for buffering recording operation is physically... Agent: Young & Thompson

20090040913 - Production method and production apparatus of optical disc: In order to control a warp of a disc substrate so as to be a desired level, an optical disc production method includes: a step of supplying resin on the disc substrate; a step of mounting the disc substrate on an inside diameter portion of a turntable after supplying the... Agent: Kenyon & Kenyon LLP

20090040915 - Information recording carrier and method of reproducing the same: Plural grooves or lands formed in an information recording carrier include at least a wobbling region and data is recorded wobblingly in this wobbling region by frequency shift modulation while recorded digitally with a single or multiple waves as a channel bit.... Agent: The Nath Law Group

20090040916 - Mobile drive optical medium: A recording layer is described that is at least partially or entirely positioned at a distance T7 of less than 0.4 mm with respect to the second surface. When the optical recording medium is clamped in a drive, the recording layer has a “higher” position than a recording layer of... Agent: John D. Titus The Cavanagh Law Firm

02/05/2009 > patent applications in patent subcategories.

20090034374 - Computer system and method capable of automatically duplicating data into discs: The invention relates to a computer system capable of automatically duplicating data into discs with automatically blank-disc-supplying. The invention can be implemented by software, hardware, or any of the combinations. Since the invention does not utilize a mechanical arm to move the discs, the structure of the invention saves space... Agent: Hoffman Warnick LLC

20090034375 - Method and apparatus of seek end polarity detecdtion for optical disk drive: The present invention discloses a method and apparatus of seek end polarity detection for an optical disk drive. The method comprises the steps of providing a horizontal level between the peak and the trough of the tracking error signal when the tracking error signal is used to determine the polarity... Agent: Wpat, PC

20090034377 - System and method for efficient updates of sequential block storage: An improved system and method enhances performance of updates to sequential block storage of a storage system. A disk-based sort procedure is provided to establish locality among updates (write data) held in a disk-based log, thereby enabling the write data to be efficiently written to home locations on a home... Agent: Cesari And Mckenna, LLP

20090034378 - Method for data access and optical data accessing apparatus therefor: An optical data accessing apparatus and method for changing the access from a first data layer to a second data layer of an optical storage medium are provided. The first data layer corresponds to a first SAC value, while the second data layer corresponds to a second SAC value. A... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20090034379 - Recording method and reproduction method suitable for recording/reproduction of av data, and recording drive and reproduction drive, information recording system and information reproduction system, and information recording medium for such methods: In an information recording medium for recording and reproducing data thereon on a sector-by-sector basis, the recorded data being managed as at least one file by using a file structure, the file structure includes unused space management information for identifying a used region and an unused region. At least one... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090034380 - Partial-block off-track data recovery: Techniques for data recovery from a data block wherein portions of the data block are written at different off-track positions are described. For example, portions of a data block can be read separately for each on-track and off-track position in the data block; then, the separately read portions can be... Agent: Shumaker & Sieffert, P.A.

20090034376 - Optical disc device and recording method as well as recording parameter setting method: According to one embodiment, a plurality of conditions are simultaneously recorded for a power in a combination of power and strategy conditions which are parameters to be adjusted, such that the number of seeks required for a feedback can be reduced, and time for an automatic adjustment required at a... Agent: Knobbe Martens Olson & Bear LLP

20090034381 - Recording/reproducing device, recording condition adjusting device and recording/reproducing method: A calculation of a reliability value |Pa−Pb|−Pstd, representing represents a maximum likelihood decoding result on a portion which corresponds to a start or termination edge of a recording mark and has a high probability of error occurrence by a maximum likelihood decoding method, is performed on each combination of a... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090034383 - Disk-shaped record medium and producing method for same, disk recording method and device, and disk playback method and device: To record specific information to a disk-shaped record medium and reproduce the recorded specific information without any influence on the error correction capability. Copy protection information (CPID) having an error correction code appended thereto, shuffled and otherwise treated is sent as a CPID bit block to an EDC rewrite circuit... Agent: Frommer Lawrence & Haug

20090034382 - Optical disc, recording apparatus, reading apparatus, recording method and reading method: An optical disc 1 includes a defect management area (DMA). A plurality of defective area lists (TDFLs) and structure information (TDDS) are recorded in a temporary defect management area (TDMS) of the defect management area (DMA). The defective area lists (TDFLs) indicate at least one defective area which was detected... Agent: Snell & Wilmer L.L.P. (panasonic)

20090034384 - Detection of data degeneration within optical discs: A system and method for detecting degeneration in an optical media by defining a set of error correction code (ECC) blocks uniformly on an optical media and reading each of the ECC blocks to determine a number of correctable errors for each of the ECC blocks once the optical media... Agent: Philips Intellectual Property & Standards

20090034385 - Digital damage signature of an optical disc: It has been discovered that damage to an optical disc can be used as a damage signature for that optical disc. The damage signature can be digitally represented to uniquely identify the optical disc in combination with other identifying information that identifies the optical disc. Services, such as a restore... Agent: Ibm Austin Iplaw (dg)

20090034386 - Restoring a digital representation of content read from an optical disc: It has been discovered that inaccurate representations of content read from an optical disc can be restored. A representation of content read from a damaged optical disc may include data that corresponds to misread data sections. The data for the misread data sections can be replaced with portions of an... Agent: Ibm Austin Iplaw (dg)

20090034388 - Multi-format optical storage medium, optical pickup, and optical read/write device: There is provided a storage layer (13) between storage layers (11), (15). The storage layer (13) produces a relatively large spherical aberration for a protection layer thickness error. Information is written to or read from the storage layer (13) with a beam of light having a second wavelength. Information is... Agent: Edwards Angell Palmer & Dodge LLP

20090034389 - Multilayer element with an identification which can be read optically by a machine: Described is a multi-layer body (10i) comprising an optically machine-readable identification, wherein the multi-layer body has at least one first plastic material layer with a microscopically fine relief structure shaped in that layer and the optical effect of the microscopically fine relief structure can be altered region-wise for writing in... Agent: Hoffmann & Baron, LLP

20090034387 - Optical storage medium and player: An optical storage medium that allows the user to recognize a given disk as a hybrid one, no matter whether the disk is loaded into a single format player or a multi-format player, is provided. The optical storage medium includes a stack of first and second storage layers with mutually... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090034393 - Information recording method and apparatus with suppressed mark edge jitters: Recording information is disclosed in which an information recording medium is irradiated with a recording energy beam that is power-modulated into at least a record power level and a record-ready power level lower than the record power level. The information is recorded on the recording medium in the form of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090034390 - Optical information recording medium and drawing method therefor: An optical information recording medium capable of being drawn without being overturned by an optical information recording apparatus and cable of being drawn not depending on the wavelength of a laser light to be irradiated, the optical information recording medium having an information recording portion in which a recording layer... Agent: Knobbe Martens Olson & Bear LLP

20090034391 - Optical information reproducing method, optical information reproducing device, and optical information recording medium: [Means for Solving Problems] An optical information reproducing device (10) irradiates a laser beam to an optical information recording medium (16) in which effective spot size of the irradiated laser beam changes in accordance with intensity of the laser beam and reproduces information. The optical information reproducing device (10) includes:... Agent: Sughrue Mion, PLLC

20090034392 - Photodetector and optical pickup apparatus including the same: A photodetector comprising: a substrate; a photodiode fixed to the substrate, the photodiode configured to output a signal according to a light amount of a laser beam when applied with the laser beam; and a translucent resin covering the photodiode, the translucent resin being irradiated with ultraviolet light in advance... Agent: Fish & Richardson P.C.

20090034395 - Apparatus and method to determine an optimal optical detector orientation to decode holographically encoded information: A method is disclosed to determine an optimal optical detector orientation to decode information encoded holographically. The method supplies a matched filter, an orientation image, a holographic data storage medium encoded with the orientation image, and an optical detector comprising a moveable input screen comprising a plurality of detector elements.... Agent: Dale F. Regelman Quarles & Brady, LLP

20090034396 - Apparatus and method to store information in a holographic data storage medium: A method to store information in a holographic data storage medium, wherein the method supplies a holographic data storage medium comprising an encoded focusing hologram and one or more encoded data holograms. The method disposes the holographic data storage medium in a holographic data storage system, and disposes a rotatable... Agent: Dale F. Regelman Quarles & Brady, LLP

20090034397 - Hologram recording/reconstructing apparatus: A hologram recording/reconstructing apparatus includes a spatial modulator in which a reference beam region and a reconstruction beam region are formed, and a controller configured to control a range of the reference beam region and a range of the reconstruction beam region. According to a temperature of a hologram recording... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090034394 - Optical pickup: An optical pickup device in which a hologram element has a plurality of different diffraction directions. In the tracking standard state, the hologram element is divided into six areas by a straight line connecting two strength center points of two light beams, and by two straight lines that are perpendicular... Agent: Mcdermott Will & Emery LLP

20090034398 - Object lens, optical pickup, and optical disc device: An optical pickup includes: a first emitting unit to emit an optical beam of a first wavelength; a second emitting unit to emit an optical beam of a second wavelength; a third emitting unit to emit an optical beam of a third wavelength; an object lens to condense optical beams... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090034400 - Objective lens actuator and optical pickup device including the same: An objective lens actuator includes a lens holder which holds an objective lens. A collision preventing portion which prevents collision of the objective lens and an optical disc and a cleaning portion which performs cleaning of the optical disc when the objective lens and the optical disc collide with each... Agent: Morgan Lewis & Bockius LLP

20090034399 - Optical disc apparatus and optical disc determining method: An objective lens is moved with a disc irradiated with laser light. A maximum value FEmax and a minimum value FEmin of the focus error signal, and a maximum value FSmax of the amplitude of a focus sum signal are measured. “(FEmax−FEmin)/FSmax” is compared with a determination value to determine... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090034401 - Optical disk apparatus: It is intended to provide an optical disk apparatus which detects a light amount greater than zero even when used in conjunction with an optical disk substrate having a large birefringence, so that it is possible to properly read a signal without errors and properly perform optical disk controls. The... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090034402 - Optical head device, optical information device, optical disc player, car navigation system, optical disc recorder, and optical disc server: In an optical head device including a light source for emitting a light of a predetermined wavelength; a collimator lens for converting a divergence degree of the light; a folding mirror for folding a direction of the light emitted from the light source; an objective lens for converging the light... Agent: Wenderoth, Lind & Ponack L.L.P.

20090034403 - Optical pickup device and optical disc device: An optical pickup device which can more improve heat radiation efficiency and an optical disk apparatus including the optical pickup device are provided. The optical pickup device having a base (110), a laser unit (141), an optical system (140) which propagates a laser beam, and an adjusting member (142) includes... Agent: Wenderoth, Lind & Ponack L.L.P.

20090034404 - Medical data recording method: A device for recording information on CDRs or other recording media and printing file information for observing what is recorded thereon. The information may be medical images such as x-rays, cat scans, magnetic resonance images, or sonograms. The discs can have patient names and other information selected from information stored... Agent: North Oaks Patent Agency

20090034405 - Method of improving sensitivity of electric field sensor, storage apparatus including electric field sensor, and method of reproducing information of the storage apparatus: A storage apparatus includes a ferroelectric recording medium, an electric field sensor including a source region, a drain region and a resistance region electrically connecting the source region to the drain region and having a resistance, which varies according to an intensity of an electric field due to a polarization... Agent: Sughrue Mion, PLLC

20090034406 - Optical information reproducing system: An optical-information reproducing system is provided, in which the tracking capability of an optical pickup can be increased, and in which the number of occurrences in which the optical pickup fails to track a groove can be reduced, by increasing a gain margin and by ensuring the gain margin. In... Agent: Knobbe Martens Olson & Bear LLP

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