Dynamic information storage or retrieval inventions

20080106981 - Multi-layer optical disc, optical-disc drive apparatus, and method of making decision on currently-accessed recording layer in multi-layer optical disc: An optical disc has a laminate of recording layers. The recording layers have tracks respectively. The tracks wobble in accordance with wobbling signals respectively, and thereby indicate the wobbling signals respectively. The wobbling signals result from modulation of bit streams formed by sequences of concatenated fixed-length words of a predetermined... Agent: Louis Woo Law Office Of Louis Woo

20080106983 - Optical pickup apparatus: An optical pickup apparatus includes a plurality of laser light sources, a single objective lens, and a beam shaping mirror. The beam shaping mirror causes each of the laser beams to be incident on a transmission surface, reflects the beam from a reflection surface being unparallel to the transmission surface... Agent: Morgan Lewis & Bockius LLP

20080106984 - Actuator position control method and corresponding apparatus: The invention relates to an actuator position control method for use in a recorded information reproducing apparatus. Front, main and rear beams are directed onto a recorded track formed on a rotating optical recording medium and respective first, second and third signals are produced in response to light reflected by... Agent: Philips Intellectual Property & Standards

20080106986 - Information recording medium, and recording/reproducing method and apparatus therefor: Provided are an information recording medium, and an information recording/reproducing method and apparatus, which are capable of allowing an equalizer (EQ) value to be automatically set or to be rapidly set by the recording/reproducing apparatus. The information recording medium has recorded thereon EQ gain information appropriate or specific to the... Agent: Stein, Mcewen & Bui, LLP

20080106985 - Recording apparatus, recording method, and computer program: A recording apparatus (200) is provided with: a recording device (351) for recording record information with a variable recording power; a recording control device (354) for controlling the recording device to record the record information to be adjacent to an unrecorded portion; a power controlling device (361) for controlling the... Agent: Young & Thompson

20080106987 - Method and device for measuring eccentricity of optical disk: A method for measuring an eccentricity of an optical disk is provided. The method includes steps of: rotating the optical disk with a spindle motor; irradiating a light beam emitted from an optical pickup on the optical disk; detecting the light beam reflected from the optical disk with a detector;... Agent: North America Intellectual Property Corporation

20080106988 - Optical disc playback apparatus: An optical disc playback apparatus with which collision of a lens and an optical disc is avoided is provided. Processes executed by a microcomputer of the optical disc playback apparatus when a disc is played back include: the step of outputting a signal for performing focus search at a predetermined... Agent: Osha Liang L.L.P.

20080106992 - Disc recording and reproducing device and disc recording and reproducing method: A disc recording and reproducing device and method record video data using a new file system other existing device cannot recognize. However, when a disc thus recorded is loaded in the existing device, the user is prevented from being instructed to format the disc (initialize the file system) or inadvertently... Agent: Pearne & Gordon LLP

20080106982 - Optical pickup unit, apparatus for recording/reproducing data, method for controlling the apparatus, control method, and recording medium: An optical pickup unit, an apparatus for recording/reproducing data, a control method, and a recording medium are disclosed. Each of the optical pickup unit and the recording/reproducing apparatus includes a near-field lens, and uses a high-refraction lens, conically shaped, to effectively use the near-field. Two lens units are required to... Agent: Harness, Dickey & Pierce, P.L.C

20080106989 - Information recording medium, recording/reproducing method, and recording/reproducing apparatus: An information recording medium, a method of recording and/or reproducing data to/from the medium, and a recording/reproducing apparatus using the medium, the medium having a data area including a user data area to record user data, and a spare area to record replacement blocks that replace defect blocks occurring in... Agent: Stein, Mcewen & Bui, LLP

20080106991 - Method and apparatus for managing disc defect using temporary dfl and temporary dds including drive & disc information disc with temporary dfl and temporary dds: A write once disc includes a defect management area that is present in at least one of a lead-in area and a lead-out area; a temporary defect management area that is present in at least one of the lead-in area and the lead-out area; and a drive & disc information... Agent: Stein, Mcewen & Bui, LLP

20080106990 - Method of and apparatus for managing disc defects using temporary defect management information (tdfl) and temporary defect management information (tdds), and disc having the tdfl and tdds: A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in... Agent: Stein, Mcewen & Bui, LLP

20080106993 - Optical disk having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080106995 - Optical rotation counter: Optical rotation counter associated with a rotary disc of an angle sensor provided with means for coding the angular position of the disc, including at least one fixed source of coherent light emitting a light beam, a diaphragm and a support moved by the rotation of the coding disc. On... Agent: Delphi Technologies, Inc.

20080106994 - Optical storage system: An optical storage system for storing data in an optical medium comprises an initial light source, a first sheet, a light modulator and a second sheet. The initial light source provides an initial light beam. The first sheet comprises a first surface and a second surface, wherein the initial light... Agent: Quintero Law Office, PC

20080106996 - Optical information processing apparatus and optical information processing method: Provided are optical information processing apparatus and method. In the optical information processing apparatus and method, when the recording regions in which optical information is recorded in an angular multiplexing scheme overlap with each other, a recording angle and a recording position for optical information is adjusted so as to... Agent: Ditthavong Mori & Steiner, P.c.

20080106997 - Objective lens optical system: An objective lens optical system focuses a light beam with a wavelength λ1 on an information recording surface of a first optical recording medium including a transparent substrate with a thickness t1, a light beam with the wavelength λ1 on an information recording surface of a second optical recording medium... Agent: Oliff & Berridge, PLC

20080106998 - Optical pickup lens: An optical pickup lens for focusing a light beam from a laser light source on an optical information recording medium is a single lens. The optical pickup lens has two surfaces, and a surface R2 opposite to a surface R1 closer to the laser light source has a continuous shape.... Agent: Oliff & Berridge, PLC

20080106999 - Semiconductor laser apparatus, method for manufacturing the same, and optical pickup apparatus using the same: There is provided a semiconductor laser apparatus capable of sufficiently discharging heat generated at a semiconductor laser element, having a simple manufacturing step, and capable of adjusting an optical path length, as well as a method for manufacturing the same. A laser chip is connected through a block and a... Agent: Morrison & Foerster LLP

20080107000 - Optical information recording medium, and method for recording to optical information recording medium: An optical information recording medium comprises at least a substrate with a guide groove, a reflective layer, a recording layer whose optical characteristics change reversibly under irradiation with a laser beam, a protective layer, a resin layer, and a transparent substrate, in that order, wherein the protective layer and the... Agent: Wenderoth, Lind & Ponack L.L.P.

20080107003 - Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080107004 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080107005 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080107006 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080107001 - Optical disk having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080107002 - Optical disk having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080107008 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080107007 - Optical information recording medium: An optical information recording medium includes an optical disk body including a light-transmitting substrate, a recording layer provided on a main surface of the light-transmitting substrate over a region in which pre-grooves are formed and a portion of a region in which dummy grooves are formed, and a reflecting layer... Agent: Knobbe Martens Olson & Bear LLP

20080107009 - Reproducing system and corresponding information recording medium having wobbled land portions: An information recording medium is at least composed of a substrate having a microscopic pattern constituted by a continuous substrate of grooves formed with a groove portion and a land portion alternately, a recording layer formed on the microscopic pattern for recording information, and a light transmitting layer formed on... Agent: Connolly Bove Lodge & Hutz LLP

20080107010 - High density, hybrid optical disc: The present invention advantageously provides a high density, hybrid optical disc and method of manufacture, thereof. In one embodiment of the present invention, a high-density, hybrid optical disc includes first and second disc portions adhesively bonded to each other, each of the disc portions containing at least one transparent substrate... Agent: Joseph S. Tripoli

20080101168 - Optical disk apparatus and recording method of the same: According to one embodiment, there is provided an optical disk apparatus including: a first determination unit configured to set a reference tracking offset and determine a reference recording power by an optimum power control processing; a tracing unit configured to trace a predetermined area in an optical disk by changing... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080101169 - Optical disc device and method for focus control: The present invention provides an optical disc device and a method for focus control which enable an efficient operation for focusing without giving damages to an optical disc. A focus control section detects a focus position (drive voltage V1) by shifting an objective lens in the state where the optical... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080101171 - Optical head and disk drive apparatus: The present invention relates to an optical head for carrying out recording and/or reproduction of data on/from an information record disk. For enhancing the degree of freedom of design and reliably and easily ensuring an installation space for a mechanism made to move an optical element linearly, the optical head... Agent: Oliff & Berridge, PLC

20080101172 - Optical disc apparatus: According to one embodiment, an optical disc apparatus provides a stable tracking error signal for aligning the center of a track or record mark string with the center of a laser beam irradiated to a recording surface by an object lens, when an object lens is moved along the radial... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080101173 - Motor control method and motor control device: A motor control method for rotating an optical disc to be accessed by an optical head includes steps of: providing an increasing power to rotate a motor at increasing speed when a seeking operation of the optical head is performed; and interrupting the increasing power when a jumping operation of... Agent: Wpat, PC

20080101182 - Disc device: The present invention provides a disc device capable of normally reproducing recorded information on a disc type recording medium while complementing the recorded information in a damaged portion of the recording medium with complementary information, and capable of constantly holding useful complementary information. The complementary information for complementing the recorded... Agent: Osha Liang L.L.P.

20080101178 - Optical disc apparatus and optical disc recording method: According to one embodiment, an optical disc apparatus includes a recording unit that records user data on an optical disc, a generation unit that detects a temperature in the optical disc apparatus and generates a detection signal, a capturing unit that captures the detection signal generated by the generation unit,... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080101183 - Variable slippage control for a disk jockey control surface: The disclosure pertains to a scratch effect controller for use by a disk jockey, wherein at least one electromagnet creates the slippage tension or friction effect between the user manipulated disc, which includes a vinyl-like surface thereby simulating a vinyl record, and the rotatable or fixed platter. The strength of... Agent: Day Pitney LLP

20080101184 - Optical disc drive having two optomechanical mechanisms: An optical disc device includes a first optomechanical mechanism, a second optomechanical mechanism, and a positioning mechanism. The first optomechanical mechanism is located under an optical disc insertable into the optical disc drive to optically access a bottom surface of the optical disc. The second optomechanical mechanism is located over... Agent: Hewlett Packard Company

20080101176 - Optical disc device: There has been an issue that the operation of a semiconductor circuit performing edge timing control cannot follow up in the multipulse generation process where high multiplication of speed progresses every year. A light strategy drive comprises a control register (22) storing timing edge information for generating the edge of... Agent: Steptoe & Johnson LLP

20080101177 - Optical disc recording apparatus and optical disc recording method: Prior to recording operation of an optical disc, OPC is performed three times so as to obtain optimal recording powers. By averaging the obtained optimal recording powers, an optimal recording power that is used for recording operation is obtained. More specifically, recording operation is performed continuously with respect to three... Agent: Morgan Lewis & Bockius LLP

20080101174 - Optimal power calibration method and data recording apparatus using the same: An optimal power calibration method includes steps of: performing a first optimal power calibration procedure at a first power calibration area with a first recording speed to obtain a first optimal power level corresponding to the first recording speed; performing a second optimal power calibration procedure at a second power... Agent: North America Intellectual Property Corporation

20080101175 - Power saving method and system applied in optical disk drive: The present invention sets forth a power saving method and a power saving system applied in an optical disk drive. The power saving system comprises a central processing unit, a spindle motor, an optical pick-up unit, an analog portion of control circuits and a digital portion of control circuits. Each... Agent: Madson & Austin

20080101185 - System and method for closed loop power control calibration: A system for calibrating a closed power control loop includes an adder configured to inject a test signal into an adjustable element, a first peak detector configured to determine an amplitude of the injected test signal, a second peak detector configured to determine an amplitude of a return test signal,... Agent: Smith Frohwein Tempel Greenlee Blaha, LLC

20080101186 - Method and apparatus for recording and reproducing information onto and from recording medium and managing defective area in recording medium: The method and apparatus can register defective areas in a recording medium not having a dedicated sparing area. A data recording area and a sparing area are not preliminarily divided. When a defective area is found, data is transferred to another area in the recording area, and the defective area... Agent: Fitzpatrick Cella Harper & Scinto

20080101187 - Optical disc recording apparatus: An optical disc apparatus including a buffer controller managing a buffer memory, a disc state manager managing and searching for recordable/unrecordable states on a disc, a defect detector detecting defective sectors on the disc, and an optical disc drive device that can record even on the defective sectors. When a... Agent: Townsend And Townsend And Crew, LLP

20080101194 - Record apparatus, record and playback system: A record apparatus includes a media writing unit to record on a disc media information to be recorded stored in a predetermined storage location; a control circuit to record storage-location information of the media information to be recorded on the disc with the media writing unit in a RFID circuit... Agent: Baker Botts LLP C/o Intellectual Property Department

20080101166 - Optical element and optical pickup apparatus: The present invention provides an optical element for use in an optical pickup apparatus. The optical element includes: a first lens section and a second lens section formed in one body. The first lens section includes an optical surface divided by a border defined by a first predetermined diameter into... Agent: Cohen, Pontani, Lieberman & Pavane

20080101167 - Digital servo for optical disk drive: An optical disk drive is provided that includes: a plurality of photodetectors for receiving reflected light from an optical disk, each photodetector providing a photodetector output signal; an analog-to-digital converter for converting versions of the photodetector output signals into digital signals; and a digital signal processor configured to receive the... Agent: Macpherson Kwok Chen & Heid LLP

20080101170 - Wobble signal reading method and optical disk appratus: According to one embodiment, an optical disk apparatus detects that a combination of appearance patterns of a phase inversion part included in a wobble periodical pattern coincides with a pattern for determination prepared in advance, determines whether or not PLL synchronization is enabled so as to classify the degrees into... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080101180 - Method and apparatus for managing disc defect using temporary dfl and temporary dds including drive & disc information disc with temporary dfl and temporary dds: A write once disc includes a defect management area that is present in at least one of a lead-in area and a lead-out area; a temporary defect management area that is present in at least one of the lead-in area and the lead-out area; and a drive & disc information... Agent: Stein, Mcewen & Bui, LLP

20080101179 - Optical recording medium, recording/reproducing apparatus and recording/reproducing method: An optical recording medium including a user data area and an SA/DL area in which a replacement block to replace a defective block in the user data area, and information regarding a defect corresponding to the defective block, is recorded, wherein the information regarding the defect includes a consecutive defect... Agent: Stein, Mcewen & Bui, LLP

20080101181 - Write-once recording medium preserving data-recording status, method of preserving data recording status of a write-once recording medium, medium including computer readable code for the same, and recording and/or reproducing apparatus therefor: A method of reproducing a recording medium having finalized recorded data. Data is read from the recording medium and a determination is made whether the recording medium is further recordable based on whether a temporary defect management area includes repetitions of a predetermined value or based on whether another predetermined... Agent: Stein, Mcewen & Bui, LLP

20080101190 - Method of and apparatus for managing disc defects using temporary defect management information (tdfl) and temporary defect management information (tdds), and disc having the tdfl and tdds: A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in... Agent: Stein, Mcewen & Bui, LLP

20080101188 - Optical recording medium, recording/reproducing apparatus and recording/reproducing method: An optical recording medium including a user data area and an SA/DL area in which a replacement block to replace a defective block in the user data area, and information regarding a defect corresponding to the defective block, is recorded, wherein the information regarding the defect includes a consecutive defect... Agent: Stein, Mcewen & Bui, LLP

20080101189 - Optical recording medium, recording/reproducing apparatus and recording/reproducing method: An optical recording medium including a user data area and an SA/DL area in which a replacement block to replace a defective block in the user data area, and information regarding a defect corresponding to the defective block, is recorded, wherein the information regarding the defect includes a consecutive defect... Agent: Stein, Mcewen & Bui, LLP

20080101191 - Methods, system and mediums for use in protecting content: The present embodiments provide methods, systems and mediums for use in protecting content. Some embodiments provide methods for use in protecting content that access media content with sectors reserved for error data, search for and identify a reserved sector, access error data, replace at least a portion of the reserved... Agent: Fitch Even Tabin And Flannery

20080101192 - Write-once recording medium preserving data-recording status, method of preserving data recording status of a write-once recording medium, medium including computer readable code for the same, and recording and/or reproducing apparatus therefor: A write-once recording medium preserving a data recording status of the write-once recording medium, a method of preserving the data recording status of a write-once recording medium, a medium including computer readable code for the same, and a recording and/or reproducing apparatus therefor. In the method of preserving the data... Agent: Stein, Mcewen & Bui, LLP

20080101193 - Optical disk device and data recording method: An optical disk device includes an optical pickup, a measurement unit and a control unit. The optical pickup is configured to emit laser light to a disk to record data. The measurement unit is operatively coupled to the optical pickup to measure a peak value of a RF signal outputted... Agent: GlobalIPCounselors, LLP

20080101195 - Optical head and optical disc device: A transmitting/reflecting member for transmitting a laser beam of a first wavelength emitted from a first light source includes a first surface on which the laser beam of the first wavelength emitted from the first light source is incident and a second surface which faces the first surface and from... Agent: Wenderoth, Lind & Ponack L.L.P.

20080101196 - Apparatus and method for record and/or reproduce holographic information: An apparatus and a method to record and/or reproduce holographic information includes a light source to generate a light beam, a first beam splitter to split the light beam generated by the light source into two light beams, a signal beam component to modulate one of the two split light... Agent: Stein, Mcewen & Bui, LLP

20080101197 - Light information recording apparatus and light information reproducing apparatus: In a light information recording apparatus, a hologram pattern diffracts a reference light such that the reference light which is emitted from an objective lens to a recording medium side, is superimposed on a information light which is emitted from the objective lens to the recording medium side in the... Agent: Morgan Lewis & Bockius LLP

20080101198 - Device and method for maintaining optical energy density on a storage medium: A system and method are provided for maintaining optical energy density on a marking area of a storage medium. The method includes the operation of directing a light beam from a light source to an optical system. The light beam can pass through at least one optical component in the... Agent: Hewlett Packard Company

20080101200 - Optical pickup device and optical disc apparatus: An optical pickup device includes an optical pickup base having an opening through which reflected light from an optical disc passes to the outside, a light-receiving element shaped like a substantially rectangular plate and configured to convert the reflected light passing through the opening into an electrical signal, and a... Agent: Knobbe Martens Olson & Bear LLP

20080101201 - Optical pickup device: According to the present invention, a function of a liquid crystal panel 170 is changed in accordance with wavelengths of laser beams employed. That is, for a laser beam having a short length (a laser beam with a wavelength band of 660 nm for DVD), a liquid crystal panel 170... Agent: Sughrue Mion, PLLC

20080101202 - Optical pickup: An optical pickup includes a hologram element divided into four regions in a direction parallel to a tracking direction of an optical information recording medium and a direction perpendicular thereto. The hologram element allows two pairs of diffracted lights from two paired regions adjacent in parallel with the tracking direction... Agent: Mcdermott Will & Emery LLP

20080101203 - Optical pickup: An optical pickup includes: a first projector for projecting a first light beam of a first wavelength so as to record and reproduce information with respect to an optical disk having a first light transmissive layer; a second projector for projecting a second light beam of a second wavelength longer... Agent: Edwards Angell Palmer & Dodge LLP

20080101199 - Optical head and optical disc device: A polarizing hologram element includes a first area and a second area adjacent to the first area in an area where a beam reflected and diffracted by a BD passes. The first area includes a first transmission area for transmitting many 1st-order diffracted lights from the BD, a second transmission... Agent: Wenderoth, Lind & Ponack L.L.P.

20080101204 - Optical disk device and method for controlling the same.: Recording power for recording data on an optical disk is modified according to the amount a laser beam focus is offset relative to a recording surface of the optical disk, the amount being obtainable based on a focus error signal. Also, the recording power is modified according to the amount... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080101205 - Optical disc apparatus and laser-power control method therefor: An optical disc apparatus includes a laser-light emitting element configured to emit laser light onto a writable and readable optical disc, a power detecting unit configured to detect a light power of the laser light emitted from the laser-light emitting element, and a power control unit configured to control a... Agent: Knobbe Martens Olson & Bear LLP

20080101206 - Device for recording data comprising mirodots with free ends forming a convex surface and method for the production thereof: The data recording device comprises a storage medium arranged facing a two dimensional array of microdots, of nanometric dimensions, formed directly on a substrate. An electronic circuit for addressing and controlling the microdots is integrated in the substrate. The microdots and/or substrate are shaped in such a way that the... Agent: Oliff & Berridge, PLC

20080101208 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080101207 - Optical disk having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080101209 - Multi-layer optical disc, and recording method and apparatus for multi-layer optical disc: Each layer includes a data recording area and a test writing area divided into a plurality of small areas, wherein the small areas of the test writing area are recorded in advance so that other each layer can make a combination of recorded and unrecorded states with respect to the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080094943 - Optical pickup apparatus and optical disc apparatus using the same: An optical pickup apparatus is equipped with a light emitting device, a first objective lens for focusing a laser beam emitted from the light emitting device onto a first optical disc, a second objective lens for focusing the laser beam emitted from the light emitting device onto a second optical... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080094944 - Method of controlling th ewriting power of a laser beam and optical recorder: A method of controlling the writing power of a laser beam in an optical recorder and an optical recorder having means for controlling the writing power of the laser beam are provided. The invention is directed to a Walking Optimum Power Control (Walking OPC) during writing onto an optical storage... Agent: Philips Intellectual Property & Standards

20080094946 - Method and apparatus for scanning data stored on an optical storage medium: A method and an apparatus for scanning data stored along a track (16) on an optical storage medium (10) are provided. A light beam (12) is projected on the optical storage medium, thereby creating a scanning spot (14) that essentially follows the track (10). The relative position of the scanning... Agent: Philips Intellectual Property & Standards

20080094947 - Optical disc device for recording and reproducing: An optical scanning device for scanning an information carrier comprising tracks with a track pitch q, the closest track to the center of the information carrier having a radius r. The optical scanning device comprises a radiation source for generating a radiation beam and means for generating three spots on... Agent: Philips Intellectual Property & Standards

20080094948 - Optical pickup apparatus and optical disc apparatus using same: An optical pickup apparatus is provided with a dividing element having a plurality of regions. The dividing element is capable of dividing a light flux reflected by the optical disc into a plurality of light fluxes having different outgoing directions. Each region of the dividing element and light receiving parts... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080094949 - Optical pickup apparatus and optical disc apparatus using same: An optical pickup apparatus includes a semiconductor laser for emitting a laser light, an objective lens for irradiating the light flux emitted from the semiconductor laser onto an optical disc, and a light detector for receiving the light flux reflected from the optical disc. The light detector has a light... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080094951 - Optical pickup apparatus and optical disc apparatus using same: An optical pickup apparatus includes a semiconductor laser for emitting a laser light, an objective lens for irradiating the light flux emitted from the semiconductor laser onto an optical disc, and a light detector for receiving the light flux reflected from the optical disc. The light detector has a light... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080094950 - Optical pickup apparatus, method of producing the same, and optical information recorder-reproducer including the same: In an optical pickup apparatus of the present invention, an integrated optical unit including at least a light emitting element, a light receiving element, and an optical element is installed on a housing. The housing includes arrangement sections on which the respective elements of those at least the light emitting... Agent: Morrison & Foerster LLP

20080094953 - Focus pull-in method and optical disc drive thereof: A focus pull-in method to perform an accurate focus pull-in operation in an optical disc drive using a holographic optical element (HOE) in consideration of a pseudo s-curve and an optical disc drive capable of performing the focus pull-in method, the method comprising checking whether a pseudo s-curve is contained... Agent: Stein, Mcewen & Bui, LLP

20080094952 - Layer jump on a multi-layer disc: A method and an apparatus for writing on a multi-layer disc are described. The occurrence of a layer jump, due to the fact that e.g. the storage space available on a first layer is exhausted, is anticipated by monitoring the storage space available remaining. When approaching the layer jump a... Agent: Philips Intellectual Property & Standards

20080094954 - Optical disk apparatus: In an optical disk apparatus according to an exemplary embodiment of the invention, a management information retaining unit retains an information group which should regularly be recorded as disk management information. The disk management information is obtained from a disk loaded in the optical disk apparatus, and the obtained disk... Agent: Ditthavong Mori & Steiner, P.C.

20080094958 - Method of optimizing the write power for recording marks in an information layer of a record carrier and recording device using such an optimizing method: The present invention relates to a method of optimizing the write power for recording marks in an information layer of a record carrier by irradiating the information layer with a (pulsed) radiation beam, said information layer having a phase that is reversibly changeable between a first (for example a crystal)... Agent: Philips Intellectual Property & Standards

20080094976 - Optical pickup apparatus and optical disc apparatus using same: A method of detecting a servo signal of an optical disc having a plurality of recording layers includes focusing and irradiating a laser light onto the optical disc, dividing a laser light reflected from the optical disc into a plurality of reflected laser lights by a division element, wherein each... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080094982 - Tracking error signal calibration method, and disc drive implementing such method: A method for generating a calibration value (TESC) for a tracking error signal (TES) in an optical disc drive (1) comprises the steps of performing a jump towards a target track of an optical disc (2) inserted in said optical disc drive (1); during at least a part of the... Agent: Philips Intellectual Property & Standards

20080094975 - Method for calibrating a tracking error signal of an optical disk drive: The invention provides a method for adjusting a tracking error signal of an optical disk drive. First, a pickup head control signal is applied to an actuator to move a pickup head. The tracking error signal is then generated while the pickup head moves. The tracking error signal is then... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080094987 - Media processor: A media storage is adapted to store a plate-shaped medium. A media drive is operable to write data in the medium. A label printer is operable to print on the medium. A media conveyer is operable to convey the medium between the media storage, the media drive and the label... Agent: Nixon & Vanderhye, PC

20080094990 - Combined fluorescent-reflective media and media reading device: The invention relates to optical media of ROM, WORM, or RW type that combine the ability to write and read data from one layer using fluorescent and reflective methods. Data is recorded as pits of different depth situated either in two alternating spiral tracks or in the same track. Data... Agent: Winston & Strawn LLP Patent Department

20080094945 - Checking a batch of dvd titles to be archived: Administrating content of a digital video disc (DVD) having, on-disc, a database involves storing, externally to the DVD, information of the database. Based on the stored information, a check is made as to whether the DVD is operable to accommodate a proposed change to the content. The change on the... Agent: Philips Intellectual Property & Standards

20080094955 - Optical disk drawing apparatus, optical disk drawing system and optical disk drawing method: In the optical disk drawing apparatus of the present invention, an automatic adjusting area where the drawing operation is not carried out is provided in the optical disk, laser light is irradiated onto the formed automatic adjusting area so as to control the focus servo gain, so that a stable... Agent: Crowell & Moring LLP Intellectual Property Group

20080094956 - Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080094957 - Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080094959 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094960 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094961 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094962 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094963 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094964 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094965 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094966 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094967 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094968 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094969 - Optical recording medium, recording/reproducing apparatus and method, initialization method, and reinitialization method: A recording/reproducing apparatus includes a writing/reading unit writing data to or reading data from an information recording medium having an access control area in which access control data is recorded, the access control data having common information set to allow the recording/reproducing apparatus that cannot recognize a predetermined function adapted... Agent: Stein, Mcewen & Bui, LLP

20080094970 - Method and system for fluid mediated disk activation and deactivation: Embodiments of methods and systems for controlling access to information stored on memory or data storage devices are disclosed. In various embodiments, fluid-mediated modification of information or access to information is utilized. According to various embodiments, data storage devices designed for rotating access are described which include rotation-activated fluid control... Agent: Searete LLC Clarence T. Tegreene

20080094971 - Device and method for providing media-related parameters on a medium and for retrieving such parameters: The present invention relates to a record carrier, to a drive device for the record carrier, and to a method of providing at least one parameter that defines at least one characteristic of the record carrier on said record carrier. The at least one parameter is determined during a first... Agent: Philips Intellectual Property & Standards

20080094972 - Method and device for focus management when recording on optical storage media: The present invention relates to a method and a parameter-determining unit (100) for determining a first focus offset parameter value. The method of determining this parameter value for writing content data to a multilayer storage medium (114) comprises the steps of writing test data sequences using different estimated first focus... Agent: Philips Intellectual Property & Standards

20080094973 - Method of recording and/or reproducing data with respect to multi-layer information storage medium having optimal power control areas: An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition, wherein OPC areas in odd-numbered and even-numbered information storage layers are disposed not to face each other and not to contact each other,... Agent: Stein, Mcewen & Bui, LLP

20080094977 - Method and apparatus for managing defects in recording media, a computer readable medium including computer readable code for the same, and a defect managed recording medium obtained using the same method, apparatus, and computer readable medium: A method, apparatus and computer readable medium for managing recording medium defects and a defect managed recording medium. The recording medium includes a spare area in which a replacement area, which is a substitute for a defective area of the recording medium, is formed, and a temporary defect management area... Agent: Stein, Mcewen & Bui, LLP

20080094978 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094974 - Optical disc system and related detecting methods for analysis of microscopic structures: An optical disc system includes a photo detector circuit of an optical disc drive and a signal processing system. The photo detector circuit is configured to generate at least one information-carrying signal from an optical disc assembly. The signal processing system is coupled to the photo detector circuit to obtain... Agent: Knobbe Martens Olson & Bear LLP

20080094979 - Information recording medium, apparatus for recording and/or reproducing data on and/or from information recording medium, method of recording and/or reproducing data on and/or from information recording medium, and computer-readable recording medium stor: An information recording medium includes a lead-in area, a user data area, and a lead-out area, wherein at least one of the lead-in or lead-out areas includes a compatibility information area in which compatibility information, specifying whether each area on the information recording medium is recordable and/or reproducible. The compatibility... Agent: Stein, Mcewen & Bui, LLP

20080094980 - Optical information recording/reproducing device: An optical information read/write apparatus according to the present invention includes: a light source 1 that emits a laser beam to access an information storage medium optically; a laser driver 51a for supplying drive current to a semiconductor laser as the light source 1; an RF superimposed current generator 51c... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080094981 - Semiconductor integrated circuit, semiconductor device, and optical disc recording device: The semiconductor integrated circuit includes a sample-and-hold circuit including a capacitor connected to its output portion, a low-pass filter as another signal processing circuit, an analog switch which selects and outputs the output of the sample-and-hold circuit or the output of the low-pass filter, a buffer circuit to which the... Agent: Cantor Colburn, LLP

20080094983 - Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080094984 - Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080094985 - Optical disk having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080094986 - Method of converting a user bitstream into coded bitstream, method for detecting a synchronization pattern in a signal, a record carried, a signal, a recording device and a playback device all using a freely insertable synchronization pattern: This invention proposes synchronization patterns for RLL codes with a constraint. Instead of including the synchronization pattern in the pattern the pattern is chosen to have p leading bits and q trailing bits such that all channel code constraints are met by the last code word of the section preceding... Agent: Philips Intellectual Property & Standards

20080094988 - Information recording medium, apparatus for recording and/or reproducing data on and/or from information recording medium, method of recording and/or reproducing data on and/or from information recording medium, and computer-readable recording medium stor: An information recording medium includes a lead-in area, a user data area, and a lead-out area, wherein at least one of the lead-in or lead-out areas includes a compatibility information area in which compatibility information, specifying whether each area on the information recording medium is recordable and/or reproducible. The compatibility... Agent: Stein, Mcewen & Bui, LLP

20080094989 - Information recording medium, apparatus for recording and/or reproducing data on and/or from information recording medium, method of recording and/or reproducing data on and/or from information recording medium, and computer-readable recording medium stor: An information recording medium includes a lead-in area, a user data area, and a lead-out area, wherein at least one of the lead-in or lead-out areas includes a compatibility information area in which compatibility information, specifying whether each area on the information recording medium is recordable and/or reproducible. The compatibility... Agent: Stein, Mcewen & Bui, LLP

20080094992 - Optical disc device: An optical disc device includes: a spindle motor for rotating a disc; a motor driving circuit for applying a voltage to the spindle motor to drive the spindle motor; an optical pickup for irradiating the disc with an optical beam; and a detector for, after the motor driving circuit starts... Agent: Morgan Lewis & Bockius LLP

20080094991 - Recording method and optical disk apparatus using the method: In order to meet the requirement for enhancing the speed of an optical disk apparatus, it is necessary to have a write strategy for compensating thermal interference during recording at high speed on a high-density optical disk such as BD. However, there has been no known technology for such a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080094994 - Information recording medium, apparatus for recording and/or reproducing data on and/or from information recording medium, method of recording and/or reproducing data on and/or from information recording medium, and computer-readable recording medium stor: An information recording medium includes a lead-in area, a user data area, and a lead-out area, wherein at least one of the lead-in or lead-out areas includes a compatibility information area in which compatibility information, specifying whether each area on the information recording medium is recordable and/or reproducible. The compatibility... Agent: Stein, Mcewen & Bui, LLP

20080094997 - Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium: A method of recording a temporary defect list on a write-once recording medium, a method of reproducing the temporary defect list, an apparatus for recording and/or reproducing the temporary defect list, and the write-once recording medium. The method of recording a temporary defect list for defect management on a write-once... Agent: Stein, Mcewen & Bui, LLP

20080094995 - Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080094993 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080094996 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080094998 - System for generating reference beam angle control signal and holographic information recording and/or reproducing apparatus employing the system: A system for generating a reference beam angle control signal and a holographic information recording and/or reproducing apparatus including the system are provided. When record of a two-dimensionally (2D) modulated signal beam superposed in the same volume of a holographic medium is called a book, the system includes: a first... Agent: Stein, Mcewen & Bui, LLP

20080094999 - Holographic reproducing apparatus: When a forward meniscus lens is used for a converting lens 12 that collimates a reference beam L2, the converting lens 12 can be disposed between a light source 11 and the principal point Q of the converting lens 12 since the principal point Q of the lens is located... Agent: Beyer Weaver LLP

20080095000 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095001 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095002 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095003 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095004 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095005 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095006 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095007 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095008 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095009 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095010 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095011 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095012 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095013 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095014 - Optical pickup and optical information recording and reproducing device: An optical pickup equipped with a laser light source which emits light beams of at least three wavelengths for recording/reproducing a plurality of information recording media detects light quantities of the light beams of three wavelengths using one light intensity monitor element. More specifically, one light intensity monitor element is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080095015 - Diffractive part: A diffractive part for an optical scanning device is described. The device is for scanning a first information layer by means of a first radiation beam having a first wavelength and a first polarisation, a second information layer by means of a second radiation beam having a second wavelength and... Agent: Philips Intellectual Property & Standards

20080095016 - Optical device for recording and reproducing: The invention relates to an optical device comprising a first radiation source (101) for producing a first radiation beam, a second radiation source (101) for producing a second radiation beam and means for directing the first and second radiation beams along a common optical path. Each radiation beam has an... Agent: Bainwood Huang & Associates LLC

20080095017 - Optical pickup and optical disc drive: the first and second objective lenses are arranged in the optical disc radial direction; the second objective lens is arranged closer to the side of the optical disc outer circumference than the first objective lens; the first collimate lens is arranged on the right-hand side when the second objective lens... Agent: Townsend And Townsend And Crew, LLP

20080095018 - Optical disc device: An optical disc device comprising: first and second laser diodes to radiate first and second laser beams with different first and second wavelengths, respectively; a first objective lens to irradiate the first laser beam to reflection area to read out image recording control data for controlling record of image recorded... Agent: Fish & Richardson P.C.

20080095020 - Optical pickup: The optical pickup includes two objective lenses, and an objective lens holder that holds the two objective lenses. The objective lens holder has two fixture holes that pass through from the lower surface to the upper surface to which the two objective lenses are attached at an upper portion with... Agent: Morgan Lewis & Bockius LLP

20080095019 - Optical pickup and manufacturing method for optical pickup: An optical pickup includes a first objective lens, a second objective lens having a numerical aperture different from that of the first objective lens, and an objective lens holder that holds the objective lenses. The first objective lens is attached to the objective lens holder via a spacer. The objective... Agent: Morgan Lewis & Bockius LLP

20080095021 - Device for recording data, comprising a peripheral support membrane, and method for producing same: The data recording device comprises a two-dimensional array of microdots of nanometric dimensions arranged facing a storage medium. The storage medium comprises a sensitive area preferably comprising a flexible membrane and extended at its periphery by a flexible fixing membrane. The sensitive area of the storage medium is thus flexibly... Agent: Oliff & Berridge, PLC

20080095022 - Automatic balancing apparatus, rotating apparatus, disc drive apparatus, balancer, and housing: An automatic balancing apparatus is disclosed. The automatic balancing apparatus includes a housing, magnetic fluid, and a plurality of balancers. The housing is rotatable. The magnetic fluid is contained in the housing. Each of the plurality of balancers is movable in the housing and has a magnet and a yoke... Agent: Sonnenschein Nath & Rosenthal LLP

20080095023 - Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080095025 - Method and apparatus for recording data on optical disc: An apparatus and method for recording data on an optical disc, are discussed. In an embodiment of the present invention, when recording of real-time input data in a high quality mode is requested, an Optimum Power Control (OPC) operation for recording is performed while input data is encoded in a... Agent: Birch Stewart Kolasch & Birch

20080095026 - High-density optical disc, method for recording and reproducing encrypted data thereon: A high-density optical disc, a method for encrypting data and recording the encrypted data thereon, and a method for reproducing the encrypted data recorded thereon. Data recorded on a high-density optical disc such as a Blu-ray disc-read only memory (BD-ROM) is recorded in a discontinuous recording format as on a... Agent: Harness, Dickey & Pierce, P.L.C

20080095024 - Information recording medium: An information recording medium comprising a plurality of recording layers (L0 layer, L1 layer) for recording a plurality of pieces of recording information, respectively, wherein the first recording layer (L0 layer) located on the closest side when viewed from the side being irradiated with a laser beam has an identification... Agent: Young & Thompson

20080095027 - Recording medium having data structure for managing reproduction of data streams recorded thereon and recording and reproducing methods and apparatuses: The data structure includes a navigation area of a computer readable medium storing navigation data associated with a data stream representing a portion of at least one reproduction path. The navigation data includes indication information, and the indication information indicates whether the data stream represents multiple reproduction paths or the... Agent: Harness, Dickey & Pierce, P.L.C

20080095028 - Recording medium having data structure for managing reproduction of data streams recorded thereon and recording and reproducing methods and apparatuses: The data structure includes a navigation area of a computer readable medium storing navigation data associated with a data stream representing a portion of at least one reproduction path. The navigation data includes indication information, and the indication information indicates whether the data stream represents multiple reproduction paths or the... Agent: Harness, Dickey & Pierce, P.L.C

20080095029 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095030 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095031 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095032 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out... Agent: Stein, Mcewen & Bui, LLP

20080095033 - Optical disk having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080095034 - Optical disk having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same: An optical disc includes tracking polarity information. The optical disc includes a clamping area, a lead-in area, a data area, and a burst cutting area (BCA). The BCA is present between the clamping area and the lead-in area and in which information regarding the optical disc is recorded, and the... Agent: Stein, Mcewen & Bui, LLP

20080089187 - Heat-assisted magnetic recording head and recording apparatus including the same: A heat-assisted magnetic recording head and a recording apparatus including the same are provided. The heat-assisted magnetic recording head includes a recording portion which produces magnetic field for recording information to a magnetic recording medium, and a waveguide which transmits light therethrough disposed to be adjacent to the recording portion... Agent: Sughrue Mion, PLLC

20080089188 - Optical disc drive apparatus: An optical disc drive apparatus has: a rotation angle counter cleared when the number of pulses in a frequency multiplied FG signal has reached a value corresponding to one rotation of the disc; a switching sector detector detecting polarity switching locations based on the output signal of an RF processor... Agent: Fish & Richardson P.C.

20080089189 - Optical disc apparatus: An optical disc apparatus comprises an optical pickup with a thread load, a thread motor for moving the optical pickup, and an inner circumferential switch. When the optical pickup is moved to an innermost circumference of an optical disc to turn on the switch, the pickup is stopped, and the... Agent: Crowell & Moring LLP Intellectual Property Group

20080089190 - Automated data storage library robot accessors with pivoting grippers for passing: An automated data storage library, employing storage shelves and data storage drives arranged to “X” and “Y” directions on both sides of an “X” axis, has a plurality of robot accessors configured to move in the “X” direction along one or more “X” rail(s) in separate paths. The robot accessors... Agent: John H. Holcombe IBM Corporation,IPLaw Dept.

20080089192 - Optical disc apparatus: An optical disc apparatus comprises, an optical pickup, a signal extracting unit for rea