Dynamic information storage or retrieval inventions 08/08

20080205202 - Thermally assisted magnetic head, head gimbal assembly, and hard disk drive: A thermally assisted magnetic head has a medium-facing surface facing a magnetic recording medium; a near-field light generator disposed on a light exit face in the medium-facing surface; a magnetic recording element located adjacent to the near-field light generator; and a light emitting element disposed so that emitted light thereof... Agent: Oliff & Berridge, Plc

20080205203 - Optical head having dual optical paths: An optical head to access data on an optical recording medium, which has two data storage densities, includes two sets of optical path systems to provide two optical paths that are crossed. Each optical path system includes a laser light generation unit, a light guiding unit, a converging objective lens... Agent: Rabin & Berdo, Pc

20080205204 - Recording method, reproduction method, recording apparatus, reproduction apparatus, and information recording medium: A recording method for recording, on a write once type information recording medium, management information representing a recording state of the write once type information recording medium is provided. The information recording medium includes data including a first synchronization signal. The information recording medium has a second synchronization signal pre-recorded... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080205205 - System and method for providing visual indicators in a media application: A method is provided for providing a visual indicator of content existing in a play list while displaying available media items for adding to the play list. The method comprises the steps of: retrieving information related to the available media items; retrieving information related to the content existing in the... Agent: Ogilvy Renault LLP

20080205206 - Method for detecting a utilization status of an optical disc and apparatus thereof: A method for detecting a utilization status of an optical disc is disclosed. The method includes: accessing the optical disc to generate a radio frequency signal; generating an estimated blank signal according to the radio frequency signal; generating a first reference signal to indicate a DC level of the radio... Agent: North America Intellectual Property Corporation

20080205208 - Optical system with filtered push pull radial tracking: The present invention relates to optical system capable of reproducing information from an optical carrier by a main beam (C) for reading information as readable effects on the carrier, and a first (A) and a second (B) auxiliary beam. The optical system is adapted to direct the main beam (C)... Agent: Philips Intellectual Property & Standards

20080205207 - Radial tracking method and apparatus for an optical information carrier format with non-uniformly spaced tracks: A radial tracking method for an optical information carrier format with non-uniformly spaced tracks is disclosed, wherein a plurality of tracks (21, 22, 23) are spaced apart at a track pitch TP2, respectively, within a broad spiral (20) having a track pitch TP, in an information layer of an optical... Agent: Philips Intellectual Property & Standards

20080205209 - Optical disc device: The invention provides an optical disc device conducting highly accurate skew adjustment, avoiding an increase in the number of components, and achieving downsizing. This optical disc device includes: a guide shaft for supporting an optical pickup and guiding its movement; a chassis the guide shaft is attached to; a coil... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080205210 - Apparatus and method for determining write strategy parameters for recording data on an optical record carrier and for determining read parameters for reading data from an optical record carrier: The present invention relates to an apparatus and a corresponding method for determining write strategy parameters for recording data on an optical record carrier (100) and to an apparatus and a corresponding method for determining read parameters for reading data from an optical record carrier (100). In order to provide... Agent: Philips Intellectual Property & Standards

20080205211 - Structure and method for storing data on optical disks: During manufacturing of optical disks, mastering equipment inserts marks (“high frequency wobble marks” or “HFWMs”) into the wobble of the groove on optical disks to store data. The presence of a HFWM at a zero crossing of the wobble indicates an active bit and the absence of the HFWM indicates... Agent: Macpherson Kwok Chen & Heid LLP

20080205212 - Optical head apparatus, information recording/reproducing apparatus including the optical head apparatus, and information recording/reproducing method: According to one embodiment, an optical head device provides a signal processing circuit which sets a control amount to move an objective lens so that a distance between the objective lens and a given recording layer of the an optical disc coincides with a focal position, an optical path length... Agent: Knobbe Martens Olson & Bear LLP

20080205213 - Data recording apparatus: When a blank DVD-RW disk is loaded into an optical disk drive, a host computer issues a FORMAT command to the disk drive. The optical disk drive having received the command performs quick formatting pursuant to a standard. Subsequently, the host computer issues a WRITE command to the optical disk... Agent: Christensen, O'connor, Johnson, Kindness, Pllc

20080205214 - Method of and apparatus for managing disc defects in disc, and disc on which defects are managed: A method of and apparatus for managing disc defects in a disc using a temporary defect management area in the disc, and the disc, where the method includes recording in a data area user data; and recording in a temporary defect management area, which is present in at least one... Agent: Stein, Mcewen & Bui, LLP

20080205215 - Information recording medium, information recording method, information reproducing method, information recording apparatus, and information reproducing apparatus: According to one embodiment, the invention allows identification of a data recording unit that does not include any reference picture and a data recording unit that includes a reference picture. Specifying information indicating whether or not a target object includes the data unit that does not include any reference picture... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080205216 - Information recording apparatus capable of recording information in information recording medium, information recording method, and target value determining method: According to one embodiment, an apparatus which records a signal in a recording medium in which information is written by using a first laser having a first wavelength and from which information is read by using a second laser having a second wavelength longer than that of the first laser,... Agent: Knobbe Martens Olson & Bear LLP

20080205217 - Method and apparatus for recording on a multi-layer disc: A recording method, particularly suitable for use in a digital video-camera, is described according to which a digital signal (10), deriving from the encoding of an audio-video signal is temporarily stored in a buffer (11) and from there recorded in a dual layer DVD (12) in successive recording intervals (22)... Agent: Philips Intellectual Property & Standards

20080205218 - Optical disc drive and method for processing recorded data: This invention provides a technique which ensures that if a recording error occurs in an optical disc, recorded data will be immediately erased from the disc without leaking to third parties. While recording data onto the optical disc, a controller judges whether the recording process has been executed to completion... Agent: Townsend And Townsend And Crew, LLP

20080205219 - Jitter measuring apparatus and method, signal period measuring apparatus and method, and optical disk player: An apparatus to measure jitter of a signal read from an optical disk includes a binarization unit to binarize an input signal to generate a binary signal, an ideal signal generator to generate a noise-free ideal signal based on channel characteristics of the optical disk, and a jitter measurement unit... Agent: Stein, Mcewen & Bui, LLP

20080205220 - Recording apparatus and recording method: A recording apparatus includes: a performance determining unit measuring recording speeds on each of unit data sizes recorded by plural kinds of access pattern to a storing device and generating performance information indicating results of the measurement; a recording request receiving unit receiving a recording request including data to be... Agent: Nec Corporation Of America

20080205223 - Poor recording detection device and image recording apparatus using it: The present invention comprises an illumination unit for applying illumination light to the recording medium after recording on a recording medium and a camera unit for picking up an image recorded on the recording medium to which the illumination light is applied by the illumination unit and outputting detected information.... Agent: Frishauf, Holtz, Goodman & Chick, Pc

20080205224 - 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

20080205227 - 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

20080205226 - 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

20080205225 - 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. (matsushita)

20080205221 - Data recording evaluation method and optical disk recording and reproduction device: Novel evaluation indexes are introduced to allow both a total evaluation of data recording and an evaluation of individual detection patterns. A data recording evaluation method includes a step of reproducing a result of data recording performed on an optical disk and identifying a predetermined detection pattern in a reproduction... Agent: Knobbe Martens Olson & Bear LLP

20080205222 - Read-only recording medium and reproducing method thereof: A reproducing method and apparatus are discussed. According to an embodiment, the method includes checking whether or not a current position is a linking data area based on an identifier to identify the linking data area, the linking data area preceded and followed by a real data area and removing... Agent: Birch Stewart Kolasch & Birch

20080205228 - Information protection system, recording medium to be used therefor and storage medium storage case: The storage medium such as an optical disc has a storage portion for storing information data and predetermined application program data for controlling at least an external device, an electronic circuit portion for reading out the data from the storage portion and controlling an external device based on the read-out... Agent: Merchant & Gould Pc

20080205229 - Method of identifying optical disc: A method of identifying an optical disc is disclosed. The method includes enabling an optical pick-up unit to emit a first laser beam having a first wavelength to the optical disc; controlling the optical pick-up unit to move a focus point of the first laser beam in a direction of... Agent: North America Intellectual Property Corporation

20080205230 - Speed-down during linking: In the invention herein a recordable optical disc is provided with embossed windings of a spiral track or circular tracks in a recording layer of phase change material and with embossed address/timing information located between adjacent windings. User data is received for recording on the disc. The data is written... Agent: Philips Intellectual Property & Standards

20080205231 - Optical disc recording pulse control method, and control device and optical disc device employed therein: There are problems that recording degradation happens, and an error occurs in reproduction unless appropriate recording pulse conditions are determined. A recording pulse controlling method according to the present invention is a recording pulse controlling method for adjusting recording pulses for recording information on a writable optical disc, which includes... Agent: Wenderoth, Lind & Ponack L.l.p.

20080205232 - Vehicle sound enhancing system and method of producing: Methods, systems and storage media are disclosed for enhancing the sounds of any vehicle, motorized conveyance, vehicle simulator, video game or vehicle like device by feeding the output of a playback device of the invention fed by a storage medium of the invention containing signals including one or more sounds... Agent: John H. Miller

20080205234 - Method and apparatus for recording on a multi-layer disc: A recording method, particularly suitable for use in a digital video-camera, is described according to which a digital signal (10), deriving from the encoding of an audio-video signal is temporarily stored in a buffer (11) and from there recorded on a dual layer DVD (12). The need for a layer... Agent: Philips Intellectual Property & Standards

20080205235 - Optical-pickup-adjustment optical disk, method of adjusting optical pickup device, and method of producing optical pickup device: An optical-pickup-adjustment optical disk used for adjusting or producing an optical pickup device, includes a transparent protective substrate; and an optical-pickup-adjustment middle-depth information recording layer formed on a side of an inside surface of the transparent protective substrate, wherein the optical-pickup-adjustment middle-depth information recording layer is formed to have a... Agent: Birch Stewart Kolasch & Birch

20080205233 - Predicting dvd recordable recording parameters in dual layer discs: A method and apparatus for adjusting operating conditions when shifting from a first layer to a second layer during recording of a dual layer DVD. During calibration of the first layer before recording, parameters for differential laser power and beta target between the two layers are obtained from information fields... Agent: Philips Intellectual Property & Standards

20080205236 - Optical information recording medium and optical information reproducing method: A disc structure for making an inverted optical response through a super-resolution process using a recorded mark portion and a space portion, which is realized to amplify a signal amplitude and solve a conventional problem that a conventional super-resolution technique can obtain only small signals, since the super-resolution area is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080205237 - Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus: A recording medium comprising a recording area, the recording area includes a first area and a second area, the first area includes a frame area, the frame area includes an area in which a second synchronization code sequence and at least a portion of data are to be recorded, and... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080205239 - Apparatus and method for recording/reproducing data on/from holographic storage medium: An apparatus and a method for recording/reproducing data on a holographic storage medium using temperature information of the holographic storage medium. The apparatus includes: a light processing unit to record the data on the holographic storage medium or to reproduce the data from the holographic storage medium; and a control... Agent: Stein, Mcewen & Bui, LLP

20080205238 - Recording/reproducing method, recording/reproducing apparatus and holographic information storage medium: A recording/reproducing method and recording/reproducing apparatus, which use an information storage medium by adaptively preparing a standard for distinguishing bit 0 from bit 1 of data read from a holographic information storage medium, and a holographic information storage medium. At least one record unit data is recorded on the holographic... Agent: Stein, Mcewen & Bui, LLP

20080205240 - Focusing controller and method therof for an optical disk drive: A focusing controller and the method thereof for an optical disk drive. The focusing controller includes a filter, a coupler and a focus compensator. The filter filters out a high-frequency component of the track error signal and derives an adjusted signal, while the coupler eliminates the adjustment signal from the... Agent: Perkins Coie LLP Patent-sea

20080205242 - Multi-radiation beam optical scanning device: An optical scanning device (1) for scanning an information layer (2) of an optical record carrier (3). The device includes a radiation source (7) for providing at least a first radiation beam along a first optical path, and a second radiation beam along a second, different optical path. An objective... Agent: Philips Intellectual Property & Standards

20080205241 - Optical head with switchable diameter of the radiation spot on the radiation detector: In an optical scanning device (10) capable of scanning an information plane of an optical record carrier (5) of different types such as BD, DVD and CD, the diameter of the radiation spot on the detector (7) is dependent on the numerical aperture of the objective system (4) that is... Agent: Philips Intellectual Property & Standards

20080205243 - Optical head apparatus and optical information recording or reproducing apparatus having the same: An object of the present invention is to provide an optical head apparatus having a high signal to noise ratio in an RF signal in a simple circuit configuration, and an optical information recording or reproducing apparatus that uses it. The optical head apparatus includes a light source, an objective... Agent: Sughrue Mion, Pllc

20080205244 - Optical head, optical disc apparatus including the optical head, and information processing apparatus including the optical disc apparatus: An optical head is used to irradiate a beam onto an optical recording medium having multiple recording positions in the thickness direction, and to receive a reflection beam reflected from the recording medium. The optical head has a light source, an optical system, and a detector. The optical system transmits... Agent: Dickstein Shapiro LLP

20080205245 - Optical pickup apparatus: A diffracting portion is disposed in an optical path between a light source and an optical disc. The diffracting portion diffracts the reflected light from recording layers of the optical disc toward a light receiving portion. The diffracting portion includes a first diffraction region having a first diffraction efficiency and... Agent: Morrison & Foerster LLP

20080205246 - Optical head and optical disk device: An interference type optical head and an optical disk device that can easily adjust an optical path length difference of a couple of lights, ensure higher signal amplification effect, and are suitable for reduction in size are provided in order to improve a regeneration signal quality with amplification of signal... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080205247 - Multi-radiation beam optical scanning device: An optical scanning device for scanning an information layer (2) of an optical record carrier (3). The device includes a radiation source (7) for providing at least a first radiation beam of a first polarization along a first optical path, and a second radiation beam of a second, different polarization... Agent: Philips Intellectual Property & Standards

20080205249 - Compatible optical pickup and optical information storage medium system employing- the same: An optical pickup compatible with different types of optically recorded media and an optical recording and/or reproducing system employing the compatible optical pickup, the compatible optical pickup including: a short wavelength light source emitting a short wavelength light suitable for a high-density information storage medium; a low-density optical system emitting... Agent: Stein, Mcewen & Bui, LLP

20080205248 - Optimization spherical aberration to determine current layer: A spherical aberration correction mechanism is optimised early in the start-up process by measuring responses for various settings of the spherical aberration correction device that are removed from the initial settings of the spherical aberration correction by small amounts and comparing these responses with those anticipated for various of the... Agent: Philips Intellectual Property & Standards

20080205250 - Operating optical drive using parameters: The invention relates to operating an optical drive apparatus from parameters read from an associated record carrier. Data-aided adaptation loops are often used in modern communication and storage systems. To ensure fast and robust start-up by ensuring a stable starting point in an adaptation loop and a fast convergence of... Agent: Philips Intellectual Property & Standards

20080205251 - Method and system for data recording and reading in multi-photon excitable media: A method, system and non-linear optical storage medium are presented for use in at least reading data in the medium. The technique utilizes a first function corresponding to an effect of data recording in the medium and a second function corresponding to an effect of reading the recorded data, where... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080205252 - Ferroelectric information storage medium and method of manufacturing the same: A ferroelectric information storage medium having ferroelectric nanodots and a method of manufacturing the ferroelectric information storage medium are provided. The ferroelectric information storage medium includes a substrate, an electrode formed on the substrate, and ferroelectric nanodots formed on the electrode, wherein the ferroelectric nanodots are separated from each other,... Agent: Sughrue Mion, Pllc

20080205253 - High density data storage medium, method and device: A composition of matter for the recording medium of nanometer scale thermo-mechanical information storage devices and a nanometer scale thermo-mechanical information storage device. The composition includes: one or more polyaryletherketone copolymers, each of the one or more polyaryletherketone copolymers comprising (a) a first monomer including an aryl ether ketone and... Agent: Schmeiser, Olsen & Watts

20080205254 - Content protection on a record carrier: The invention relates to a record carrier having a data zone (7) and an initial zone (25) and comprising a main channel storing content and a side channel storing address information and data relevant for making recordings. It further relates to methods and devices for protecting content stored on a... Agent: Philips Intellectual Property & Standards

20080205255 - Optical disk: The invention provides an optical disk that enables high-speed reproduction of address signals. A wobble address system for optical disk supports various types of synchronization, such as phase synchronization, bit synchronization, word synchronization, etc., to be established easily with high detection reliability with the use of an self-orthogonal code. Thus,... Agent: Stanley P. Fisher Reed Smith LLP

20080205256 - Optical recording medium, and recording method and recording apparatus for optical recording medium: In an optical recording medium having a plurality of recording layers on which information can be recorded by irradiating a laser beam from one side thereof, an optimum recording power to each of the recording layers can be determined. The optical recording medium has a plurality of recording layers on... Agent: Katten Muchin Rosenman LLP

20080205257 - Optical information recording medium: An optical information recording and reproducing device 1 irradiates initialization light L1 to an optical information recording medium 100 having a recording layer 101 made of photopolymerization-type photopolymer in advance to bring about the photopolymerization or the photocrosslinking to perform the initialization processing, and condenses a recording light beam L2c... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080198705 - Recording apparatus, recording method and program: A recording apparatus including: a receiving portion for receiving a content data sent using radio wave; a recording portion for recording the content data received by the receiving portion in a storage medium; a determining portion for determining whether or not a receiving status of the content data by the... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080198706 - Buffer management method and optical disc drive: An optical disc drive is provided, mainly comprising a buffer, a processor and a driving module for accessing an optical disc. The optical disc drive receives a plurality of write commands. Each write command comprises a data block and a destination address. The buffer buffers data blocks to be recorded... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080198707 - Optical pick-up and disc apparatus having the same: An optical pick-up and a disc apparatus having the same to overcome an inferiority of a tracking signal caused by an adjacent layer during the recording and/or reproducing of an optical disc with multiple recording layers, the optical pick-up including: a light source to emit light with a wavelength corresponding... Agent: Stein, Mcewen & Bui, LLP

20080198708 - Optical pick-up and disc apparatus having the same: An optical pick-up and a disc apparatus having the same. The inferiority of a tracking signal caused by an adjacent layer during the recording and/or reproducing of an optical disc with multiple recording layers is effectively prevented. The optical pickup includes a light source to emit light with a predetermined... Agent: Stein, Mcewen & Bui, LLP

20080198709 - Random access control method and optical disc drive: A random access control method is provided, implemented in an optical disc drive for recording data to an optical disc. In the optical disc drive, a buffer stores a plurality of write commands each associated with a data block bound to a destination address. A processor controls the buffer to... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080198710 - Drive device: A drive apparatus of the present invention includes a recording/reproduction section and a drive control section. The drive control section at least performs a process including: performing an RMW process of reproducing data recorded in an original ECC cluster including the location specified by the recording instruction, modifying at least... Agent: Snell & Wilmer L.L.P. (matsushita)

20080198712 - Optical information recording medium, optical information recording method, and optical information recording apparatus: An information recording medium according to the present invention includes a plurality of recording layers, and a test area for determining a recording power of a laser light for each of the plurality of recording layers, in which a first test area of a first layer and a second test... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080198713 - Optical information recording medium, optical information recording method, and optical information recording apparatus: An information recording medium according to the present invention includes a plurality of recording layers, and a test area for determining a recording power of a laser light for each of the plurality of recording layers, in which a first test area of a first layer and a second test... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080198711 - Power calibration method for visible label recording: In summary, the present invention provides an efficient method of calibrating power for writing visible labels on an optical record medium. If the writing power is too low, the label will have a low contrast, while the image might even disappear after some time. If the writing power is too... Agent: Philips Intellectual Property & Standards

20080198716 - Method of recording data to an information recording medium: A method of recording data optically to an optical disk having a plurality of sectors, in which each sector has a region to be recorded with data, the data is recorded in units of blocks, and the block includes a predetermined number of sectors and is a data unit including... Agent: Wenderoth, Lind & Ponack L.L.P.

20080198717 - Aberration correcting apparatus, optical pickup, and aberration correcting method: A kind of an optical disc is discriminated by a disc discriminating section, an order of aberrations to be corrected is set by an order setting section by the kind of the optical disc, drive of a liquid crystal optical element is controlled by a drive control section through a... Agent: Nixon & Vanderhye, PC

20080198714 - Optical information recording medium, optical information recording method, and optical information recording apparatus: An information recording medium according to the present invention includes a plurality of recording layers, and a test area for determining a recording power of a laser light for each of the plurality of recording layers, in which a first test area of a first layer and a second test... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080198715 - Recording method, reproduction method, recording apparatus, reproduction apparatus, and information recording medium: A recording method for recording, on a write once type information recording medium, management information representing a recording state of the write once type information recording medium is provided. The information recording medium includes data including a first synchronization signal. The information recording medium has a second synchronization signal pre-recorded... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080198718 - Recording apparatus: A recording apparatus includes a write unit to write information data read from a memory by irradiating a disk medium with a beam in accordance with the information data, and a control unit to, upon the amount of information data stored in the memory reaching a threshold, instruct the write... Agent: Canon U.s.a. Inc. Intellectual Property Division

20080198719 - Method and device for recording marks in an information layer of an optical disc: A method of recording marks onto an optical disc, the optical disc comprising an information layer, by irradiating the information layer by a pulsed radiation beam, a mark (I3 . . . I14) having a time length of nT, n representing an integer larger than one and T representing the... Agent: Philips Intellectual Property & Standards

20080198720 - Optical disk reproducing apparatus: The present invention relates to an optical disk reproducing apparatus, and provides a technology capable of supporting even a situation in which a reproduction signal characteristic is changed due to a factor other than recording density of an optical disk by using PRML of different constrained length and capable of... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080198721 - Method of recording data on a dual-layer optical write-once disc: e

20080198723 - Method and apparatus of controlling playback of an optical disc program: A method and apparatus for controlling playback of an optical disc program are provided. The method for controlling playback of an optical disc program comprises the steps of determining an execution condition of a markup sentence corresponding to the optical disc program, judging if the execution condition is a specific... Agent: Philips Intellectual Property & Standards

20080198722 - Optical recording using secondary tracking method: The present invention is embodied in a method for storing computer readable data on a removable storage medium, including using a first wavelength to write data to the removable storage medium, using a second wavelength to maintain radial tracking on the removable storage medium, wherein the second wavelength is shorter... Agent: Hewlett Packard Company

20080198725 - Holographic storage medium, method of manufacturing a holographic storage medium and method of reading data from a holographic storage medium: The present invention relates to a holographic storage medium (10) comprising a recording medium (12) sandwiched between a substrate layer (14) and a super-strate layer (16), and a regular spacer arrangement (18) provided in the recording medium having optical properties different from optical properties of the recording medium, wherein the... Agent: Philips Intellectual Property & Standards

20080198724 - Method for recording data in holographic data storage systems: The invention relates to a method for recording data in a holographic recording medium (14) in a holographic data storage system. This method comprises the steps of: —recording a first hologram (H1, H1′) through a first side (141) of said holographic recording medium, —rotating said holographic recording medium (14), —recording... Agent: Philips Intellectual Property & Standards

20080198726 - Apparatus and method for recording an information on a recordable optical record carrier using oval spot profile: The present invention relates to a method and a corresponding apparatus for recording an information on a recordable optical record carrier (2) by irradiation of a light beam through optical means (3-7) onto said record carrier (2) for forming marks and lands representing said information along an information recording direction... Agent: Philips Intellectual Property & Standards

20080198729 - Lens apparatus: A lens apparatus has a focusing lens unit, a separating optical unit disposed on an optical axis of the lens apparatus, a focus detection unit that detects focus condition using a light beam from the separating optical unit, a first drive unit that drives the focusing lens unit based on... Agent: Fitzpatrick Cella Harper & Scinto

20080198730 - Optical head and apparatus for optically recording and reproducing information: An optical sensor has first light receiving surfaces having respective pentagonal or hexagonal shapes and being independent of each other, and second light receiving surfaces having respective hexagonal shapes and being independent of each other, third light receiving surfaces having respective hexagonal shapes and being independent of each other, fourth... Agent: Townsend And Townsend And Crew, LLP

20080198728 - Optical information recording-reproduction apparatus: An optical information recording-reproduction apparatus comprises: a light source; an objective lens and a SIL (solid immersion lens) for focusing a light beam from the light source on an optical recording medium; an aperture element for collecting a part of the light beam reflected by an optical recording medium, corresponding... Agent: Fitzpatrick Cella Harper & Scinto

20080198727 - Optical pickup unit for a desk drive and disk drive comprising such an optical pick up unit: An optical pickup unit for an optical disk drive, comprises a lens holder (27) including a lens having an optical axis, suspension wire members (33-36) suspend the lens holder (27) in a support frame in a cantilever fashion. The wire members constrain movement of the lens holder relative to the... Agent: Philips Intellectual Property & Standards

20080198731 - Optical information recording medium: An optical information recording medium having a disk-shaped substrate formed with spiral grooves on one main surface, and having an optical reflection layer formed with grooves at the surface corresponding to the grooves of the substrate for reflecting a laser beam, an optical recording layer, a protective layer, and an... Agent: Knobbe Martens Olson & Bear LLP

20080198732 - Data recorder and data recording method, and computer program: An area including the 256th logical sector is reserved at disc initialization time, and additional recording is performed from this reserved area and after. Additional recording is performed by writing packets from a logical sector immediately after a recorded area (including the reserved area), and AVDP is recorded into two... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080198733 - Information storage medium, information recording method, and information reproducing method: According to one embodiment, an information storage medium comprising a lead-in area, and a data area, wherein the lead-in area includes a control data zone storing physical format information which includes first information common to book types, second information peculiar to a book type, and third information peculiar to each... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080198734 - Method of recording data to an information recording medium: A method of recording data optically to an optical disk having a plurality of sectors, in which each sector has a region to be recorded with data, the data is recorded in units of blocks, and the block includes a predetermined number of sectors and is a data unit including... Agent: Wenderoth, Lind & Ponack L.L.P.

20080198735 - Method of recording data to an information recording medium: A method of recording data optically to an optical disk having a plurality of sectors, in which each sector has a region to be recorded with data, the data is recorded in units of blocks, and the block includes a predetermined number of sectors and is a data unit including... Agent: Wenderoth, Lind & Ponack L.L.P.

20080198736 - Method of recording data to an information recording medium: A method of recording data optically to an optical disk having a plurality of sectors, in which each sector has a region to be recorded with data, the data is recorded in units of blocks, and the block includes a predetermined number of sectors and is a data unit including... Agent: Wenderoth, Lind & Ponack L.L.P.

20080198737 - Method of recording data to an information recording medium: A method of recording data optically to an optical disk having a plurality of sectors, in which each sector has a region to be recorded with data, the data is recorded in units of blocks, and the block includes a predetermined number of sectors and is a data unit including... Agent: Wenderoth, Lind & Ponack L.L.P.

20080198738 - Thin film structure with controlled lateral thermal spreading in the thin film: An apparatus includes a magnetic layer, a heat sink layer, and a thermal resistor layer between the magnetic layer and the heat sink layer. The apparatus may be configured as a thin film structure arranged for data storage. The apparatus may also include an interlayer positioned between the magnetic layer... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20080198739 - Optical recording medium: An optical recording medium records information in a mechanism of generating new material, having reflectance different from that of others in information recording layer, when laser beam is projected thereonto. The optical recording medium includes a substrate, and a reflective layer positioned on the substrate to reflect an entering laser... Agent: Birch Stewart Kolasch & Birch

20080192587 - Transfer apparatus, transfer method, recording medium, and magnetic recording apparatus: A transfer apparatus comprises: a master carrier on which a minute concave-convex shape is formed; a slave medium to which the concave-convex shape or transfer information expressed by the concave-convex shape is to be transferred; and a holder which holds the slave medium and to which the master carrier is... Agent: Sughrue Mion, Pllc

20080192588 - Biochip analysis system and diagnosis having biochip analysis apparatus: The present invention relates to a biochip readout device for analyzing and reading out biochips in a rotation manner such that a biochip having been adopted in a non-rotation manner is mounted on an optical disc, and a diagnostic system with a biochip readout device. The biochip readout device comprises... Agent: Synnestvedt & Lechner, LLP

20080192589 - Holographic recording and reproduction system having servo optical path: A holographic recording and reproduction system includes a servo optical path, which is used to provide a servo mechanism, so that holographic interference fringes can be stored continuously into a holographic recording medium, and when the reproduction signals are desired, they can be fetched and obtained swiftly and accurately by... Agent: Birch Stewart Kolasch & Birch

20080192590 - Information recording apparatus and information reproduction apparatus utilizing light: An information recording apparatus recording information on a recording medium by causing interference of a signal light beam and a reference light beam in said recording medium includes a movable optical deflector deflecting said reference light beam in a direction different from said signal light beam, and a lens collecting... Agent: Edwards Angell Palmer & Dodge LLP

20080192591 - Method of controlling focus of optical information storage media recording and/or reproduction apparatus and apparatus therefor: A focusing control method of an optical information storage media recording and/or reproduction apparatus controlling a focusing operation by moving an objective lens upwards or downwards in a direction towards or away from an optical information storage medium having a plurality of data layers includes receiving a focusing lead-in command... Agent: Stein, Mcewen & Bui, LLP

20080192592 - Optical disc apparatus, and method for self-diagnosis control of optical disc apparatus: An optical disc apparatus capable of performing self-diagnosis receives from a host computer a command to enable a self-diagnostic mode. Information indicating that the self-diagnosis mode is specified is written to a ROM in the optical disc apparatus. Product inspection is performed while the optical disc apparatus is not connected... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080192595 - Data recording/reproduction for write-once discs: The recording method of the present invention includes the steps of: receiving a write instruction which specifies at least a logical sector in which data is to be written; determining whether the logical sector corresponds to a recorded physical sector or an unrecorded physical sector; when it is determined that... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080192597 - Information storage medium, recording/reproducing apparatus, and recording/reproducing method: An information storage medium, a recording/reproducing apparatus and a recording/reproducing method are provided to increase data reproduction efficiency. The recording/reproducing apparatus includes: a write/read unit for recording data on an information storage medium and reading data from the medium; and a controller for controlling the write/read unit to record a... Agent: Stein, Mcewen & Bui, LLP

20080192596 - Recording medium having data structure for managing at least a data area of the recording medium and recording and reproducing methods and apparatuses: The data structure on the recording medium includes a temporary defect management area storing a data block. The data block includes sequential recording information and a temporary definition structure. The sequential recording information provides information on continuous recording areas in the data area of the recording medium. The temporary definition... Agent: Harness, Dickey & Pierce, P.L.C

20080192598 - Recording system for setting write strategy: A recording device writes and reads marks that represent information. A radiation source (22) is controlled for writing the marks according to a write strategy on a record carrier (11) arranged according to a predefined recording format. The recording format defines pre-recorded disc information including a disc type identifier and... Agent: Philips Intellectual Property & Standards

20080192593 - Method and apparatus for generating frquency-multiplied frequency generator signal used in optical drive: An optical drive servo control system comprises: an optical pickup, for accessing an optical disc and generating an optical signal; a spindle motor, for rotating the optical disc and outputting a FG signal and a spindle motor synchronous signal; a frequency-multiplied FG signal generator, for generating an actual frequency-multiplied FG... Agent: Wpat, Pc

20080192599 - Information recording medium, information recording device, and method: There is provided an information recording medium having a plurality of recording layers (layer L0, layer L1) for recording information. At least one of the recording layers (layer L0, layer L1) has a management information area where recording speed management information defining the maximum possible recording speed when recording information... Agent: Young & Thompson

20080192594 - Laser power control system and method used in optical disc writer: A laser power control system and method used in an optical disc writer. According to a write power value, the laser power control system drives a laser to output a write power through a first channel. According to a proportional value, the laser power control system drives the laser to... Agent: Wpat, Pc

20080192600 - Spherical aberration detector: An optical scanning device (1) for scanning at least one information layer (2) of at least one optical record carrier (3). The device includes a radiation source (7) for providing at least a first radiation beam (4) comprising a first wavelength, an objective lens system (8) for converging the first... Agent: Philips Intellectual Property & Standards

20080192601 - Disc apparatus: A disc apparatus (1) includes an optical pickup (4) which irradiates an optical disc (2) with a laser light, a motor (6) which moves the optical pickup (4) to a target track in a radial direction of the optical disc (2), and a controller (7) which controls the motor (6).... Agent: Crowell & Moring LLP Intellectual Property Group

20080192602 - Optical recording medium, apparatus and method of recording/reproducing data thereon/therefrom, and computer -readable recording medium storing program to perform the method: A recording medium on which a recording/reproducing unit block is recorded, an apparatus to record and/or reproduce data on/from the recording medium, and a method of recording/reproducing the data on/from the recording medium. The recording/reproducing unit block comprises invalid data used in disc certification, and an identifier to indicate that... Agent: Stein, Mcewen & Bui, LLP

20080192603 - Optical recording medium, apparatus and method of recording/reproducing data thereon/therefrom, and computer-readable recording medium storing program to perform the method: A recording medium on which a recording/reproducing unit block is recorded, an apparatus to record and/or reproduce data on/from the recording medium, and a method of recording/reproducing the data on/from the recording medium. The recording/reproducing unit block comprises invalid data used in disc certification, and an identifier to indicate that... Agent: Stein, Mcewen & Bui, LLP

20080192604 - Method for determining disk type: A method for determining a disk type is provided. In the invention, a pickup head of a DVD optical drive is moved to a blank area of the disk where no data is stored. After rotation of the disk is stopped, the blank area is irradiated with a laser beam,... Agent: Jianq Chyun Intellectual Property Office

20080192606 - Magnetic recording medium, method of fabricating the same, and magnetic recording apparatus: A magnetic recording medium includes recording regions formed on a substrate, isolation regions formed between the recording regions so as to define the recording regions, and recording dots formed of a dot-like magnetic recording layer and arrayed in the recording regions, the recording dots including first recording dots arrayed in... Agent: Nixon & Vanderhye, Pc

20080192605 - Test application 2 for pair release 7.0.1: A method for accessing data of an optical disk with a disk drive. The drive includes a memory; the optical disk has a plurality of data blocks for recording data and a plurality of spare blocks for replacing defect data blocks. While reading data recorded on the optical disk, a... Agent: Pre Exam Testing

20080192607 - Optical discs for measuring analytes: This invention directs to an optical disc assembly configured to receive an analyte which can be detected by a standard optical disc reader or an optical disc reader modified therefrom. The optical disc assembly may preferably be designed so that the optical disc reader can track the disc and detect... Agent: Knobbe Martens Olson & Bear LLP

20080192609 - Data reading method: A data reading method used in a reading device is provided. The reading device is for reading a hologram storage medium having a plurality of data pages, wherein each data page forms a data image having a plurality of image pixels on a sensing area of the reading device. The... Agent: Bacon & Thomas, Pllc

20080192608 - Velocity control of holographic media: A holographic storage device for reading media includes a first, holographic layer and a second, stamped layer having a plurality of land and grooved tracks. A sled is adapted to move radially across the media to allow access to the first and second layers. A first laser device is mounted... Agent: Ingrassia Fisher & Lorenz, P.c. (ibm)

20080192610 - Optical system with 3 spot radial tracking: The present invention relates to an optical system for reproducing and/or recording on optical record carrier. The system includes light providing means for providing at least: 1) a main beam for reading information, and 2) a plurality of auxiliary beams for radial tracking; a first (A), a second (B) and... Agent: Philips Intellectual Property & Standards

20080192611 - Optical head, diffraction device, objective lens, and optical disc apparatus: An object of the present invention is to reduce the influence of a stray light incident on a light receiving device by reflection of an unnecessary diffraction light not contributing to write or read on a disc surface at write or read of an optical disc having a large surface... Agent: Wenderoth, Lind & Ponack L.l.p.

20080192612 - Optical pickup apparatus and objective lens: where λ represents a wavelength of a light source, δSA1/δU represents a change of a spherical aberration for an object-to-image distance change δU (|δU|≦0.5 mm) and δSA2/δT represents a change of spherical aberration for a temperature change δT (|δT|≦30° C.), the object-to-image distance is a distance between the light source... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080192614 - Method for determining relationship between difference of object lens location and driving control effort in optical storage device: A method is used in an optical storage device having a pickup head. The pickup head includes an object lens, a first light source and a second light source. The object lens focuses the laser light generated by the first light source onto a first focal point or focuses the... Agent: North America Intellectual Property Corporation

20080192613 - Optical element and optical pickup apparatus: The present invention relates to an optical element for use in an optical pickup apparatus and an optical pickup apparatus. An optical element is provided for use in an optical pickup apparatus which records or reproduces information by converging a light flux from a light source onto an information recording... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080192615 - Actuator for an optical scanning device: An optical pickup actuator for scanning an optical record carrier comprises a first section having an objective system and second section having an optical element with large position tolerances with respect to the objective system. For high bandwidth performance and/or low power dissipation a small movable actuated mass is preferred.... Agent: Philips Intellectual Property & Standards

20080192616 - Optical output device, magnetic storage medium drive unit, and head slider: An optical device includes a clad composed of a material having a first refractive index, a core which is embedded in the clad, composed of a material having a second refractive index different from the first refractive index, and tapers toward the end-point thereof, and a light-transmitting layer which is... Agent: Greer, Burns & Crain

20080192617 - 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.

20080192618 - Laser rewriting system: A surface-condition-information obtaining unit obtains information on a surface condition of a rewritable display medium on which information is reversely displayed visually. A write-laser output unit outputs a write laser to irradiate the rewritable display medium with the write laser, to perform a drawing on the rewritable display medium. A... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080192619 - Optical recording medium, apparatus and method of recording/reproducing data thereon/therefrom, and computer-readable recording medium storing program to perform the method: A recording medium on which a recording/reproducing unit block is recorded, an apparatus to record and/or reproduce data on/from the recording medium, and a method of recording/reproducing the data on/from the recording medium. The recording/reproducing unit block comprises invalid data used in disc certification, and an identifier to indicate that... Agent: Stein, Mcewen & Bui, LLP

20080192620 - Optical recording medium: There is disclosed an optical recording medium having at least a recording layer provided on a light-transmissive substrate having grooves and lands with prepits, wherein said lands are generally rectangular or trapezoidal in cross section having a top surface and sidewalls, as well as a specified land height (h1), and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080186810 - System and method for audiovisual content search: Audiovisual content stored on an optical medium is searched for presentation of desired visual frames by indexing and analyzing subtitles associated with the visual frames. A subtitle index engine retrieves subtitles from the audiovisual content and maps the subtitles to associated visual frames. A subtitle search engine applies search queries... Agent: Hamilton & Terrile, LLP

20080186811 - Device and method for controlling disc runout in an optical disc drive system: A device for controlling disc runout in an optical disc drive system (10) is described, comprising a rotatable support (12) having a rotation axis (16), the support (12) being arranged to hold a disc (14) such that a normal (18) of the disc (14) is essentially parallel to the rotation... Agent: Philips Intellectual Property & Standards

20080186812 - Focus servo method used in optical disc drive: A focus servo method used in an optical disc drive which is capable of accurately recording data to an optical disc just after starting recording of data to the optical disc is provided. The method includes a step of detecting a command signal for recording data to an optical disc;... Agent: Marger Johnson & Mccollom, P.C.

20080186814 - Write-once optical disc, method and apparatus for recording management information on write-once optical disc: A recording medium, and a method and apparatus for recording management information on the recording medium, are provided. According to an embodiment, there is provided a method for recording management information on a recording medium, the method comprising: determining whether recording of padding data in a recordable area of a... Agent: Birch Stewart Kolasch & Birch

20080186815 - Apparatus and method for reproducing optical disk: An optical disk reproducing apparatus to equalize and reproduce a signal optically read from an optical disk includes a controller to determine a number of regions to divide the optical disk into according to a reproduction frequency variation corresponding to a signal quality variation, and an equalizer to filter signals... Agent: Stein, Mcewen & Bui, LLP

20080186816 - Fallback mechanism for data reproduction: Reproduction of digital data using a fallback mechanism is disclosed. The digital data can be reproduced in a first mode and in an at least second mode, the operability of a selected mode is monitored and in a situation of failure, a switching between the mode in which a failure... Agent: Philips Intellectual Property & Standards

20080186813 - Method of adjusting write strategy of recordable disc: A method of adjusting a write strategy of a recordable disc comprises steps of: generating a test pattern on a power calibrating area of the recordable disc according to a first write strategy and a first write power; establishing a Pit-to-Land Inter-Symbol Interference table and a Land-to-Pit Inter-Symbol Interference table... Agent: Wpat, PC

20080186817 - Method and apparatus for selecting an optimum write parameter, and optical recording medium for use by said method and apparatus: The invention relates to a method for setting an optimum value of a write parameter for use in an optical recording apparatus for writing information on an optical recording medium by means of a radiation beam. The optimum value of a write parameter is found by curve-fitting a function and... Agent: Philips Intellectual Property & Standards

20080186818 - Method of adjusting write strategy of recordable disc: A method of adjusting a write strategy of a recordable disc comprises steps of: generating a test pattern on a power calibrating area of the recordable disc according to a first write strategy and a first write power; establishing a Pit-to-Land Inter-Symbol Interference table and a Land-to-Pit Inter-Symbol Interference table... Agent: Wpat, PC

20080186819 - Method of adjusting write strategy of recordable disc: A method of adjusting a write strategy of a recordable disc comprises steps of: generating a test pattern on a power calibrating area of the recordable disc according to a first write strategy, a first write power, and a first target β value; establishing a Pit-to-Land Inter-Symbol Interference table and... Agent: Wpat, PC

20080186820 - Method of adjusting write strategy of recordable disc: A method of adjusting a write strategy of a recordable disc comprises steps of: generating a test pattern on a power calibrating area of the recordable disc according to a first write strategy and a first write power; establishing a Pit-to-Land Inter-Symbol Interference table and a Land-to-Pit Inter-Symbol Interference table... Agent: Wpat, PC

20080186821 - Optical storage medium reading/writing method and device with improved reliability: A method and device are disclosed for improving reliability of reading an optical storage medium, such as an optical disc (20). A disc spin speed value (31) of the optical disc (20) is provided and an unnormal value of said disc spin speed value (31), which differs from a disc... Agent: Philips Intellectual Property & Standards

20080186822 - Optical disc device, tracking control start method, and tracking control start program: The present invention can promptly start the tracking control. According to an embodiment of the present invention, after making it possible to discriminate the groove G and land L by the initial drive for the objective lens, the servo control and brake control are executed under an optimum condition when... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080186824 - Information recording medium, method and apparatus for recording and reproducing information: An information recording medium includes a lead-in area and a data area for storing contents information. The lead-in area includes a first lead-in information area and a second lead-in information area. The first lead-in information area corresponds to a first playback mode. The second lead-in information area corresponds to a... Agent: Louis Woo Law Office Of Louis Woo

20080186823 - Method and apparatus for defect detection: A defect detection system, defect detection method and disc verification method for rewritable optical discs are provided A demodulator reads an optical disc to obtain a plurality of sectors corresponding to an ECC block along with parity inner (PI) and parity outer (PO) codes. A sector detector, coupled to the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080186825 - Optical information storage medium: An optical information storage medium includes a plurality of areas and at least one transition area. Each transition area is located between two adjacent areas. The transition area allows data to be smoothly reproduced from the optical information storage medium at a low error generation rate. Also, since the optical... Agent: Stein, Mcewen & Bui, LLP

20080186826 - Optical recording medium and optical recording apparatus: To provide an optical recording medium that includes a substrate and a multilayered recording layer disposed on or over the substrate and where information is recorded by irradiating the recording layer with a laser beam to cause change in its optical characteristics, wherein judgment information concerning a recording condition for... Agent: Cooper & Dunham, LLP

20080186827 - Data recording device comprising inclined carbon nanotubes and method for the production thereof: The data recording device comprises a network of carbon nanotubes formed on a flat substrate and constituting microtips operating in conjunction with a substantially flat storage medium. The carbon nanotubes are initially inclined by a predetermined angle comprised between 5° and 40° with respect to the plane of the substrate.... Agent: Oliff & Berridge, PLC

20080186828 - Focal offset recording system and method: The present invention is embodied in a recording device and media for storing computer readable data on a removable storage medium that includes using a first wavelength to write data to the removable storage medium and creating marks while writing the data that have predetermined wide spot sizes so that... Agent: Hewlett Packard Company

20080186829 - Recording apparatus and recording method for data and file system information: Disclosed is a recording apparatus for recording data on a recording medium. The recording apparatus includes an assigning section for assigning a region that is part of a block utilized for a recording unit of the recording medium as a file system information region utilized as a region for file... Agent: Frommer Lawrence & Haug LLP

20080186830 - Holographic information recording/reproducing apparatus: An information recording/reproducing apparatus can suppress generation of stray light and prevent aggravation of the SN (signal to noise) ratio at the time of reproduction. If the angle of incidence of reference beam relative to the information recording medium (transmission-type disk 119 or reflection-type disk 213) at the time of... Agent: Fitzpatrick Cella Harper & Scinto

20080186831 - Optical scanning device: An optical scanning device (1) includes a radiation source (7), a detector (23) and a beam splitter (9). The radiation source (7) provides an incident radiation beam (4, 20) along a first optical path (19a) for scanning an information layer (2) of an optical record carrier (3). The detector (23)... Agent: Philips Intellectual Property & Standards

20080186832 - Optical head unit and optical disc drive: According to an embodiment of the optical head unit includes two or more light sources, an objective lens which condenses the light beam having the predetermined wavelength output from each of the light sources to a recording layer of a recording medium, and captures a light beam reflected on the... Agent: Knobbe Martens Olson & Bear LLP

20080186833 - Optical pickup device and optical disk apparatus: A half-wave plate is attached to a lens holder to integrally drive a collimator lens and the half-wave plate. When the lens holder is moved to a servo position, the half-wave plate is inserted in and retracted from an optical path of a laser beam. Therefore, the laser beam is... Agent: Ditthavong Mori & Steiner, P.C.

20080186834 - Optical pickup device and optical disk apparatus: A half-wave plate is attached to a lens holder holding a collimator lens, and a servo operation to the collimator lens and insertion and retraction of the half-wave plate in and from an optical path of a laser beam are performed by a common actuator. When the lens holder is... Agent: Ditthavong Mori & Steiner, P.C.

20080186835 - Optical recording medium, recording method and apparatus for optical recording medium, and reproducing method and apparatus: An optical recording medium has a track including plural pits formed based on first data and has plural lands defined between neighboring pits. These pits are deformed as they are recorded based on second data. The first and second data are synthesized and reproduced to realize audio reproduction with a... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080186836 - Optical pickup and optical disc drive: The present invention provides an optical structure of an optical pickup for adjusting the exit light quantity of a light source so as not to have adverse effect on reliability of semiconductor laser to be suited to the quantity of light, in consideration of difference in reflectivity of optical discs... Agent: Wenderoth, Lind & Ponack L.L.P.

20080186837 - Information storage medium using nanocrystal particles, method of manufacturing the information storage medium, and information storage apparatus including the information storage medium: Provided is an information storage medium using nanocrystal particles, a method of manufacturing the information storage medium, and an information storage apparatus including the information storage medium. The information storage medium includes a conductive layer, a first insulating layer formed on the conductive layer, a nanocrystal layer that is formed... Agent: Sughrue Mion, PLLC

20080186838 - Read-only optical disc medium and method of fabricating the same: A read-only optical disc medium is disclosed. The disc medium includes: an information recording area in which information is recorded by means of an embossed pit array formed in a convexo-concave shape having a reflective layer deposited thereon; a test writing area which is used for test write recording of... Agent: Bell, Boyd & Lloyd, LLP

20080186839 - Optical information carrier: An optical information carrier comprises a data layer for carrying the information, an outer surface for receiving a light beam for reading the information, and a transparent layer for transmitting the light beam to the data layer. The transparent layer comprises a pattern of physical damages for locally deforming the... Agent: Philips Intellectual Property & Standards

20080186840 - Optical information recording medium: An optical information recording medium, which is made of a resin provided with photoreactivity containing organometal compound, has a recording layer on which, after a photoreaction are brought about when predetermined initialization light is irradiated to the medium and then the resin is hardened, at a time of recording information,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.