Dynamic information storage or retrieval inventions 07/08

20080181062 - Method and apparatus for controlling focus of an optical information storage medium: A method and apparatus for controlling a focus of an optical disk in an optical disk recording/reproducing apparatus are provided. A method of controlling focusing onto an optical information storage medium having a plurality of data layers during an interlayer jump by moving an object lens up and down includes... Agent: Stein, Mcewen & Bui, LLP

20080181063 - Optical disc apparatus: According to one embodiment, an optical disc apparatus provides a signal processing circuit that obtains a reflection amount of reflection light from a recording layer of a recording medium from a sum of outputs from a photo detector when moving the objective lens so as to make a distance between... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080181064 - Content processing apparatus: A content processing apparatus includes a CPU, and when a recording mode is selected, the CPU writes content data to a data area of an external memory. Management information recorded in a management area of the recording medium in order to manage the data recorded in the data area is... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080181065 - Playback signal distortion compensation method and optical disk playback method: An object of the present invention is to appropriately cope with a tears type mark occurring in, for example, an organic dye write-once disk. A playback signal distortion compensation method is a method for compensating a distortion in a playback signal of data recorded in an optical disk, and includes... Agent: Knobbe Martens Olson & Bear LLP

20080181066 - Apparatus and method for recording and/or reproducing data on an information storage medium using padding information, and the information storage medium: An apparatus and method for recording and/or reproducing data on a disc are provided using padding information, and a corresponding information storage medium. The recording method includes recording a recording unit block in which invalid data is padded in part of the block and recording padding information indicating that the... Agent: Stein, Mcewen & Bui, LLP

20080181067 - Apparatus and method for recording and/or reproducing data on an information storage medium using padding information, and the information storage medium: An apparatus and method for recording and/or reproducing data on a disc are provided using padding information, and a corresponding information storage medium. The recording method includes recording a recording unit block in which invalid data is padded in part of the block and recording padding information indicating that the... Agent: Stein, Mcewen & Bui, LLP

20080181068 - Information storage medium: 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

20080181069 - Information storage medium: 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

20080181072 - 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

20080181073 - Apparatus and method for recording and/or reproducing data on an information storage medium using padding information, and the information storage medium: An apparatus and method for recording and/or reproducing data on a disc are provided using padding information, and a corresponding information storage medium. The recording method includes recording a recording unit block in which invalid data is padded in part of the block and recording padding information indicating that the... Agent: Stein, Mcewen & Bui, LLP

20080181074 - Apparatus and method for recording and/or reproducing data on an information storage medium using padding information, and the information storage medium: An apparatus and method for recording and/or reproducing data on a disc are provided using padding information, and a corresponding information storage medium. The recording method includes recording a recording unit block in which invalid data is padded in part of the block and recording padding information indicating that the... Agent: Stein, Mcewen & Bui, LLP

20080181075 - Apparatus and method for recording and/or reproducing data on an information storage medium using padding information, and the information storage medium: An apparatus and method for recording and/or reproducing data on a disc are provided using padding information, and a corresponding information storage medium. The recording method includes recording a recording unit block in which invalid data is padded in part of the block and recording padding information indicating that the... Agent: Stein, Mcewen & Bui, LLP

20080181076 - 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

20080181071 - Apparatus and method for recording and/or reproducing data on an information storage medium using padding information, and the information storage medium: An apparatus and method for recording and/or reproducing data on a disc are provided using padding information, and a corresponding information storage medium. The recording method includes recording a recording unit block in which invalid data is padded in part of the block and recording padding information indicating that the... Agent: Stein, Mcewen & Bui, LLP

20080181070 - Optical disc recording apparatus: A DSP (32) of a disc recorder (100) includes an identification information obtaining portion (321) for obtaining type identification information stored in an optical disc (a DVD-R) (2) for identifying a manufacturer and a type of the optical disc, a type memory portion (326) for storing a plurality of type... Agent: Morgan Lewis & Bockius LLP

20080181077 - Disk having unique code for identifying its type for optical disk player and method for discriminating types thereof: A BCA (Burst Cutting Area) code including a unique disk code indicating the type of a disk is written in a BCA code area of the disk. If the disk is mounted into the optical disk player, the optical disk player reads data written in the BCA code area, extracts... Agent: Stein, Mcewen & Bui, LLP

20080181078 - Optical disc apparatus and adip decoder: An ADIP decoder for decoding address in pre-groove (ADIP) of a wobble of an optical disc, has: a band pass filter that filters a wobble signal having a period corresponding to the wobble; a wobble PLL circuit that divides a frequency of a phase-locked clock signal in response to an... Agent: Amin, Turocy & Calvin, LLP

20080181079 - Disk processing apparatus: A disk processing apparatus used for cleaning, mending or damaging a disk includes a first arm and a second arm to define a clamping structure. The front end of the second arm is a detachable tongue plate, and the first arm and the tongue plate separately or individually have at... Agent: Joe Mckinney Muncy

20080181080 - Distributing media using a portable digital device compatible with optical drive devices: A media distribution system is provided in which a primary means of transport for digital media is through a device with housing shaped as an optical disc and insertable into various current and future optical disc drive devices. Media travels from different digital sources such as a personal media library... Agent: Haverstock & Owens LLP

20080181081 - Optical multi mode transmission between a processor and a set of memories: A method and apparatus for accessing one or more memory devices using an optical multi-mode signal. The method includes providing an optical multi-mode signal including a first mode and a second mode and transmitting the optical multi-mode signal via an optical multi-mode bus to the one or more memory devices.... Agent: Patterson & Sheridan, LLP Gero Mcclellan / Qimonda

20080181082 - Apparatus and method for holographic information storage and retrieval: A method for holographic information storage and retrieval is disclosed. The method supplies a holographic data storage system comprising a light source and a holographic data storage medium and provides information to the holographic data storage system. The method generates a reference beam using the light source, forms a data... Agent: Dale F. Regelman Quarles & Brady, LLP

20080181083 - Optical pickup and optical information reproduction system: In an optical disk apparatus having an exclusive RF detector plane mounted therefore, as a method of obtaining a synthesized readout signal based on band-synthesis is used in order to obtain a readout signal having a good S/N ratio, a waveform distortion easily caused by a delay time difference or... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080181084 - Optical pickup: The liquid crystal element includes a pair of transparent substrates, a liquid crystal arranged between the substrates, a diffraction pattern including concentric diffraction electrodes formed on one substrate, and a phase shift pattern including concentric phase shift electrodes formed on the other substrate. The diffraction pattern includes a first region... Agent: Osha Liang L.L.P.

20080181085 - Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith: the hybrid objective lens converges a n1-th, n2-th and n3-th order diffracted ray of the first, second and third light flux onto an information recording plane of each of the first, second ant third optical information recording medium respectively so as to form an appropriate wavefront within respective prescribed necessary... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080181087 - Objective lens actuator and optical pickup device having the same: An objective lens actuator includes a plurality of objective lenses, a first lens holder on which the plurality of objective lenses are mounted, and a drive mechanism that drives the first lens holder. At least one of the plurality of objective lenses is mounted on the first lens holder while... Agent: Morgan Lewis & Bockius LLP

20080181086 - Objective lens and optical pickup device: To provide an objective lens and an optical pickup device which can thin the objective lens and a device on which the objective lens is mounted, and which can prevent that the pitch of the diffraction grating at the outer periphery of the objective lens becomes too small in the... Agent: Dickinson Wright PLLC

20080181088 - Optical disc apparatus: An optical disc apparatus in accordance with the present invention includes: a plurality of light sources; an optical system which has at least an objective lens that condenses light beam emitted from the light sources on a recording layer of an optical disc and a collimator lens that is arranged... Agent: Morgan Lewis & Bockius LLP

20080181089 - Optical pickup: Two types of objective lenses are arranged in a radial direction of an optical disc, a light flux reflecting/transmitting member arranged with first and third optical films for reflecting the beam light and a second optical film for reflecting or transmitting the beam light is arranged on the side opposite... Agent: Osha Liang L.L.P.

20080181090 - Objective lens optical system and light beam splitting element: An objective lens optical system includes a light beam splitting element and an objective lens and is configured to focus a light beam with a wavelength λ on an information recording surface of a first optical recording medium as a dual/double layer disc having a transparent substrate with a thickness... Agent: Oliff & Berridge, PLC

20080181091 - Optical disc drive: According to one embodiment, a device which identifies the types of recording media different in recording density including, a light source which outputs light at a predetermined wavelength, a photodetector which detects reflected light from one information recording layer of a recording medium having at least two information recording layers... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080181092 - Halftoning curved images: A rectangular image to be imaged on a flat curved surface is received. The rectangular image is converted to a curved image corresponding to the flat curved surface. The curved image is halftoned. The curved image as halftoned is imaged on the flat curved surface.... Agent: Hewlett Packard Company

20080181093 - Optical disc and registering method for label side thereof: The invention provides an optical disc and a registering method for labeling on a label side of the optical disc. More particularly, the label side has a plurality of turns of wobbled grooves connected in series to form a spiral track. The turns of the wobbled grooves are then to... Agent: Hoffman Warnick LLC

20080175107 - Focusing control method for reading/writing optical disc: An optical reading/writing apparatus has an optical head that includes a collimator and a lens. For focusing control, a startup procedure is executed to generate a first startup S-curve. A boundary is then set according to the startup S-curve. After executing focusing on and tracking on, a plurality of position... Agent: Wpat, Pc

20080175108 - Optical information storage medium system and method of generating tracking error signal: An optical information storage medium system includes an optical pick-up to detect a main push-pull signal and a sub-push pull signal, and a signal operating unit including first and second operating parts to respectively generate a main push-pull signal and a sub-push-pull signal, a noise removing unit to electrically filter... Agent: Stein, Mcewen & Bui, LLP

20080175109 - Phase shift grating for phase shift differential push-pull tracking: According to the invention, the phase shift grating has two phase gratings, with grating sections on opposite sides of a line separating the two phase gratings being phase shifted by π, which have curved grating lines which are designed such that the first diffraction order of a divergent light beam... Agent: Joseph J. Laks Thomson Licensing Llc

20080175110 - Optical head, optical disc drive, computer, optical discplayer and optical disc recorder: When performing a read or write operation on an optical disc with information storage layers, this compatible optical head with a two-focus lens can reduce interference caused by an unnecessary diffracted light reflected from a non-target layer and not contributing to reading or writing. The head reads and/or writes information... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080175111 - Disc device and control method for the same: Provided is an optical disc device and a control method for the same that are capable of shortening processing time for spherical aberration correction amount adjustment. The optical disc device includes: a spherical aberration corrector that corrects spherical aberration of a light beam on an optical disc; and a tracking... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080175112 - Automatic backup system: A recording system stores files on a removable, optical record carrier (11). The record carrier has an annular recording area corresponding to a logical data space accessible according to a predefined recording format. The recording system has a control unit (20) for controlling the recording means for storing the files... Agent: Philips Intellectual Property & Standards

20080175113 - Hard disk drive apparatus, method to compensate repeatable run out of hard disk drive apparatus, and computer-readable recording media recording the method: A method to compensate repeatable run out of a hard disk drive apparatus includes receiving a write or read command to write or read data with respect to a disk having an inner diameter (ID) area, a middle diameter (MD) area, and an outer diameter (OD) area which are preset,... Agent: Stanzione & Kim, LLP

20080175114 - Optical disc controller and optical disc drive system: An object of this invention is to provide an optical disc controller and an optical disc drive system which reduce the proceeding time for supplementing data that is deficient at the time of writing to the optical disc. The present invention relates to an optical disc controller and a optical... Agent: Buchanan, Ingersoll & Rooney Pc

20080175115 - Disc apparatus: A disc apparatus comprising: a jitter-value detection unit configured to detect a jitter value based on a signal to be read from a medium; a defocus-value setting unit configured to set a defocus value for focusing an objective lens in the medium based on the jitter value; and a defocus-value... Agent: Fish & Richardson P.c.

20080175117 - Method for selecting focus servo process: Provided is a focus servo process automatic selecting method. In a related art optical pickup apparatus, only one of AD and DAD is selected and used when a focus servo is performed for disk detection and a focus-on operation. According to the method, servo crosstalk values of the two focus... Agent: Birch Stewart Kolasch & Birch

20080175118 - Method of recording data on a write once disc, and the write once disc: A method of recording data on a write once disc, and the write once disc. The write once disc includes a lead-in zone, a data area, and a lead-out zone. The write once disc includes a predetermined area storing area allocation information which indicates whether at least one section of... Agent: Stein, Mcewen & Bui, LLP

20080175116 - Optical disc apparatus and method for determining information recording layer in optical disc: An optical disc device includes a laser diode which irradiates an optical disc having a plurality of layers with laser light, a photodetection section which detects laser light reflected by the optical disc, which comprising a pair of sub-photodetectors and a main photodetector provided between the pair of sub-photodetectors, a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080175119 - Front monitor apparatus, and optical pickup apparatus and information recording and reproducing apparatus provided with the same: The front monitor apparatus which monitors a laser beam emitted from a semiconductor laser element provided in the optical pickup apparatus includes first and second photodiodes each having different light receiving sensitivity, for receiving the laser beam and outputting a current corresponding to a light receiving intensity, and a current-voltage... Agent: Morrison & Foerster LLP

20080175120 - Optical disc apparatus and optical disc recording and reproduction method: To form recording waveforms optimal to all optical discs including unknown discs and inferior quality discs. In an optical disc apparatus according to the present invention, a CPU changes a previously set pulse width at a predetermined code length by a predetermined value and controls an optical pickup, an RF... Agent: Knobbe Martens Olson & Bear LLP

20080175121 - Contents playback apparatus, control method, and electronic device: A contents playback apparatus includes a tubular casing, a contents playback unit disposed in the casing, an operation element rotatably disposed around the casing and axially movably disposed on the casing, a magnet disposed on the operation element, a plurality of Hall devices disposed in the casing for detecting a... Agent: Wolf Greenfield & Sacks, P.c.

20080175122 - Digital audio book cartridge and player with manipulation-facilitating features: A cartridge for use by print-disabled users to play digital audio content and a player having a receptacle for receiving the cartridge are provided. The cartridge includes a random-access digital storage device storing the digital audio content and having a connector providing access to the digital audio content; and a... Agent: Myers Bigel Sibley & Sajovec

20080175123 - Method for reproducing information from a plural layer optical information carrier: The invention discloses a method for reproducing from a multi-layer optical information carrier (1), e.g. dual layer media like a DVD or BD disc. Initially, light (5) is focused at a first information layer (L1), where the first layer has a range of parameter settings (SL1) for optimized reproducing of... Agent: Philips Intellectual Property & Standards

20080175125 - Optical recording medium and recording film material: A next-generation optical recording medium has two or more information layers which include a translucent information layer. The translucent information layer has a recording film and an interface layer, provided adjacent to the recording film on the side of the light incident surface. The recording film is made of a... Agent: Oliff & Berridge, Plc

20080175124 - Optical recording method on multilayer optical recording medium and optical recording apparatus: When there is a defect area in a specific recording layer, recording of information is continued to restrain reduction in a recording rate. In an optical recording method for recording information on a multilayer optical recording medium having a plurality of recording layers by irradiating the recording layer with a... Agent: Mathews, Shepherd, Mckay, & Bruneau, P.a.

20080175126 - Fluid mediated disk activation and deactivation mechanisms: 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

20080175127 - Holographic recording and/or read-out device and holographic carrier: The invention relates to a holographic device for writing data in and/or reading-out data from a holographic information carrier. The holographic information carrier comprises a plurality of patterns recorded with a plurality of corresponding recording multiplexing parameters. The holographic device comprises means for detecting one of the patterns and means... Agent: Philips Intellectual Property & Standards

20080175128 - Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method: An optical pickup apparatus for reproducing information from an optical information recording medium or for recording information onto an optical information recording medium, is provided with a first light source for emitting first light flux having a first wavelength; a second light source for emitting second light flux having a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080175130 - Optical disc apparatus: An optical disc apparatus includes: a light source unit in which a plurality of light emitting points that emit lights having different wavelengths each other are formed in vicinity; a condenser lens which condenses the light emitted from the light source unit on a recording layer of the optical disc;... Agent: Morgan Lewis & Bockius LLP

20080175129 - Optical pickup, optical disc apparatus, integrated coupling lens, integrated prism, and optical information equipment: An optical pickup is provided for directing a blue-violet laser beam to access a first information recording medium covered with a first transparent substrate or a second information recording medium covered with a second transparent substrate, which includes a light path switching unit disposed either between a light source and... Agent: Wenderoth, Lind & Ponack L.l.p.

20080175131 - Image reader: An LPF performs low-pass filtering for a light reception signal responsive to return light received by an optical pickup. A comparator makes a comparison between the level of the signal output from the LPF and a predetermined threshold value and outputs a high or low pulse signal MIR. A system... Agent: Crowell & Moring LLP Intellectual Property Group

20080175132 - Gain control system and calibration method thereof: A gain control system for compact disc laser reader is provided, comprising two AGCs, comparator and a calibration unit. The first AGC receives a calibration signal to generate a first output signal with a first gain. The second AGC receives the calibration signal to generate a second output signal with... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080175134 - 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 polymers, each of the one or more polyaryletherketone polymers having two terminal ends, each terminal end having two or more... Agent: Schmeiser, Olsen & Watts

20080175133 - Probe-scanned ferroelectric media with imprinted regions: Ferroelectric media includes a media surface that is scannable by a contact. The contact provides a read signal. A polarization pattern is written in first regions of the media surface. The polarization pattern represents position data. The first regions are selectively exposed to an energy source. The exposing provides an... Agent: Seagate Technology Llc C/o Westman Champlin & Kelly, P.a.

20080175135 - Data storage medium and method for high density data storage: A composition of matter for a recording medium in atomic force data storage devices. The composition includes polyimide oligomers having covalently bonded monomers forming a backbone, the oligomer thermally stable to at least 400° C.; one or more covalent bonding cross-linking moieties incorporated into the polyimide oligomer; and one or... Agent: Schmeiser, Olsen & Watts

20080175136 - Actuator assembly and data storage device including the actuator assembly: An apparatus comprises a movable member, first and second rigid members positioned on opposite sides of the movable member, a first suspension assembly connected between a base and the first and second rigid members, a second suspension assembly connected between the first and second rigid members and the movable member,... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20080175137 - Method for encoding data written to optical storage media: The invention provides a method for optical storage medium writing. First, raw data is transferred from a host to a primary memory. The primary memory is then read to obtain read-out data. A series of encoding steps are then carried out simultaneously to generate formatted data according to the read-out... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080175138 - Method for recording to and reproducting from an optical recording medium, optical recording medium, and recording and reproduction apparatus for the same: The present invention provides a method for recording and reproducing with an optical recording medium, with which either in-groove recording or on-groove recording is selected according to the type of recording medium, and information can be recorded and reproduced with good signal quality. To this end, a laser beam reflected... Agent: Wenderoth, Lind & Ponack L.l.p.

20080175139 - Thermally reversible cross-linked poly (aryl ether ketone) media and method for high density data storage: A composition of matter for a recording medium in atomic force data storage devices. The composition includes one or more poly(aryl ether ketone) copolymers, each of the one or more poly(aryl ether ketone) copolymers including (a) a first monomer including an aryl ether ketone and (b) a second monomer including... Agent: Schmeiser, Olsen & Watts

20080170478 - Information recording method and apparatus, information reproducing method and apparatus, information recording medium, program storage medium and program: Congested rewriting in the same area is to be evaded to suppress the tendency towards occurrence of defective areas. When a stream 1 has been recorded, the last written address, representing the last written position, is stored. When recording a stream 2 next, recording is started directly following the position... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080170477 - Remote controlled media systems and methods: A media system for playing content on a media player with an electronic computing device for communication. When song title request information for a song title stored by a storage process is received from a computing device, song titles stored in the storage process are transmitted in a song title... Agent: Foley & Lardner

20080170479 - Optical information storage apparatus and optical recording medium: In an information recording apparatus using a hologram, a signal area of the light flux to be recorded is secured to be as wide as possible and the optical power loss is depressed during reproduction process. For this reason, almost the entire surface of the spatial light modulator is allocated... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080170480 - Disc drive apparatus: Disclosed is a disc drive apparatus. The disc drive apparatus includes a rotational driving unit rotating a disc-shaped recording medium having a plurality of addresses recorded on an information recording surface of the disc-shaped recording medium; an optical pickup recording and/or reproducing an information signal on the information recording surface... Agent: Wolf Greenfield & Sacks, P.C.

20080170481 - Aberration detection device and optical pickup device provided with same: An aberration detection device of the present invention is such that an absolute value of detection sensitivity of an aberration error signal is increased, and variation in detection sensitivity of the aberration error signal is little even when displacement between the center of light beam dividing means and the center... Agent: Edwards Angell Palmer & Dodge LLP

20080170482 - Method and apparatus for identifying optical disc's type: A method for identifying an optical disc's type includes: detecting at least one header's appearance according to a reproduced signal in an optical storage device accessing the optical disc; after the appearance of a first header of the at least one header is detected, detecting whether there is another header's... Agent: North America Intellectual Property Corporation

20080170484 - Optical recording medium: A reliable optical recording medium is provided which includes an information layer exhibiting small changes in the optical properties even during long-term storage. The optical recording medium includes the information layer including a recording film having an extinction coefficient of 0.4 or less at the wavelength of a laser beam... Agent: Oliff & Berridge, PLC

20080170483 - Super resolution optical recording medium: A super resolution optical recording medium for preventing degradation of a reproducing signal, includes a substrate, a super resolution layer formed on the substrate, and having a super resolution aperture formed thereon. The super resolution aperture has a size smaller than a resolution limit of an emitted beam incident on... Agent: Stein, Mcewen & Bui, LLP

20080170485 - Optical recording medium: The optical recording medium includes a first information layer including a first recording film having an extinction coefficient of 0.4 or less at a wavelength of a laser beam used for recording and reproducing, and a second information layer including a second recording film consisting essentially of the same constituent... Agent: Oliff & Berridge, PLC

20080170486 - Optical pickup device: An optical pickup device is constituted to enable stable recording or reproduction on/from a recording medium. The optical pickup device has an irradiation optical system for condensing a light beam using an objective lens, and comprises: a reflection portion disposed opposite the irradiation optical system, on a common optical axis... Agent: Mcginn Intellectual Property Law Group, PLLC

20080170487 - Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device: An optical system for use in an optical pickup apparatus comprises a first optical surface having a superposition type diffractive structure including a plurality of ring-shaped zones which are formed concentrically around an optical axis, wherein each ring-shaped zone is composed of a plurality of stepped sections stepwise, and a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080170488 - Method and device for non-destructive reading for a ferroelectric-material storage media: A method for non-destructive reading of a datum stored in a ferroelectric material in a stable state of polarization, the method including applying a read electrical quantity to the ferroelectric material having a value such as not to cause a variation in the stable state of polarization thereof, generating an... Agent: Seed Intellectual Property Law Group PLLC

20080170489 - Optical recording carrier, signal generating apparatus, information recording method, and information reading apparatus: An optical recoding carrier and an information recording method applying an amplitude shift keying (ASK) method or further a DC-biased ASK method are provided, wherein at least one periodically undulated section and at least one non-periodically undulated section are formed on the optical recording carrier to indicate specific information. The... Agent: Jianq Chyun Intellectual Property Office

20080165631 - Remote system for portable audio player: This aim is achieved thanks to a remote system for portable audio player comprising a docking station and a remote device cooperating thereof, the docking station having interface means to electrically connect the portable audio player and a the remote device having keypad to give remotely commands to the portable... Agent: Harness, Dickey & Pierce, P.L.C

20080165632 - Optical pick-up and/or recording device: For optical data storage applications a near field optical system can be used. In near field optical systems an accurate alignment of a solid immersion lens with respect to a disc surface is crucial. The correction of a tilt between the lens and the disc is performed by use of... Agent: Philips Intellectual Property & Standards

20080165633 - Device and method for compensating signal in a light-scribe system: The present invention provides a device and method for compensating signal in a light-scribe system. A light processing unit processes the reflection received by a light emitter to form a pulse wave. A microprocessor receives the pulse signal and detects the loss of pulse wave with a detector. A timer... Agent: G. Link Co., Ltd.

20080165634 - Enhanced data storage and retrieval devices and systems and methods for utilizing the same: The present invention relates generally to the storage of information on magnetic and/or optical storage media by using one or more novel approaches alone or in combination. These novel approaches are capable of using at least one code which may comprise more than two values (i.e., more than a “0”... Agent: Mark G. Mortenson

20080165636 - Optical recording medium, recording/reproducing apparatus, and recording/reproducing method: An information recording medium, on which when a spare area for a replacement block for replacing a defect block created in a predetermined area of an information recording medium is enlarged or newly allocated, defect status information of blocks within the enlarged or newly allocated spare area is changed and... Agent: Stein, Mcewen & Bui, LLP

20080165637 - Optical recording medium, recording/reproducing apparatus, and recording/reproducing method: An information recording medium, on which when a spare area for a replacement block for replacing a defect block created in a predetermined area of an information recording medium is enlarged or newly allocated, defect status information of blocks within the enlarged or newly allocated spare area is changed and... Agent: Stein, Mcewen & Bui, LLP

20080165638 - Optical recording medium, recording/reproducing apparatus, and recording/reproducing method: An information recording medium, on which when a spare area for a replacement block for replacing a defect block created in a predetermined area of an information recording medium is enlarged or newly allocated, defect status information of blocks within the enlarged or newly allocated spare area is changed and... Agent: Stein, Mcewen & Bui, LLP

20080165639 - Optical recording medium, recording/reproducing apparatus, and recording/reproducing method: An information recording medium, on which when a spare area for a replacement block for replacing a defect block created in a predetermined area of an information recording medium is enlarged or newly allocated, defect status information of blocks within the enlarged or newly allocated spare area is changed and... Agent: Stein, Mcewen & Bui, LLP

20080165640 - Optical disc apparatus and method of performing finalize operation thereof: An optical disc apparatus and a method of performing a finalize operation thereof are capable of automatically performing the finalize operation without separate manipulation by setting an easy (EZ) recording mode in the optical disc apparatus such as a digital video disc (DVD) recorder. The method includes determining whether or... Agent: Stanzione & Kim, LLP

20080165641 - Unit to remove crosstalk in multi-layered disk, optical pickup including the unit, and optical recording and/or reproducing apparatus including the optical pickup: A unit to remove crosstalk in a multi-layered disk, an optical pickup including the unit, and an optical recording and/or reproducing apparatus including the optical pickup, of which the optical pickup includes: a light source; an optical path changer to change the path of light emitted from the light source;... Agent: Stein, Mcewen & Bui, LLP

20080165635 - Estimation of maximum available write power of an optical storage drive: In summary, the present invention provides a method for estimating maximum available write power of an optical storage drive. Optical drives have a certain guaranteed maximum power corresponding to the largest emission angles and worst case electrical parameters of the laser, but many drives could produce more if needed because... Agent: Philips Intellectual Property & Standards

20080165642 - Method for evaluating optical recording medium, evaluation device, and evaluation system: In an evaluation device and an evaluation system, the level of base power is set higher than that in an optimal recording condition at a set room temperature and lower than the level of bias power. In particular, the level of the base power is set so that the jitter... Agent: Oliff & Berridge, PLC

20080165644 - Recording/reproducing apparatus and method: Provided are a recording/reproducing apparatus and method for optimizing data recording. The recording/reproducing apparatus sets a predetermined length which is an integer multiple of a unit recording length and sets a plurality of recording parameters, with reference to mark/space combinations which can be configured within the predetermined length ahead of... Agent: Stein, Mcewen & Bui, LLP

20080165645 - Optical recording medium, recording/reproducing apparatus, and recording/reproducing method: An information recording medium, on which when a spare area for a replacement block for replacing a defect block created in a predetermined area of an information recording medium is enlarged or newly allocated, defect status information of blocks within the enlarged or newly allocated spare area is changed and... Agent: Stein, Mcewen & Bui, LLP

20080165648 - Method of improving defect countermeasure of apparatus for reproducing optical information storage medium: A method of improving a defect countermeasure of an apparatus for reproducing an optical information storage medium. The method includes generating a defect detection signal corresponding to a defect duration from an RF signal input from an optical pickup, outputting a servo hold signal by performing an AND operation of... Agent: Stein, Mcewen & Bui, LLP

20080165647 - Recording/reproducing apparatus, recording/reproducing method, and information storage medium therefor: A recording/reproducing apparatus and a method of easily managing a defect in a multi-layer information storage medium, and an information storage medium therefor. The information storage medium includes a user data area for recording user data, and a spare area for recording replacement data, which replaces a defective data block... Agent: Stein, Mcewen & Bui, LLP

20080165646 - Transfer control method: A system for transferring data read from a data storage medium. The system comprises a memory unit, a controller, a memory management logic, and an output interface. The memory unit stores the data. The controller compares at least one address of the data with at least one defect address and... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080165649 - Tangential disc tilt measurement and corrective action: A method and system within optical disc player/recorders that measures tangential disc tilt and provides for responsive action. Optical discs inevitably show some degree of warping. By determining the tangential tilt angles over the disc and comparing these tilt angles with a prescribed maximum allowed tilt angle, responsive actions are... Agent: Philips Intellectual Property & Standards

20080165643 - Multivalued information reproducing method and multivalued information reproducing apparatus: A multivalued information reproducing apparatus includes: a light source which emits a linear polarized light having a prescribed polarization direction; a first optical system which generates a first linear polarized light and a second linear polarized light that have different polarization directions using the linear polarized light which is emitted... Agent: Morgan Lewis & Bockius LLP

20080165650 - Information reproducing apparatus, information reproducing method, information reproducing program, and information recording medium: When the difference between frequency of a detection signal Sp detected from an optical disk DK and frequency of a reproduction clock signal Scl becomes large, for example, the gain of a high frequency band corresponding to a recording pit length in the range of 2T to 4T is emphasized... Agent: Drinker Biddle & Reath Attn: Intellectual Property Group

20080165651 - Recording control apparatus, recording and reproduction apparatus, and recording control method: A recording control apparatus includes a waveform rectification section for receiving a digital signal generated from an analog signal representing information reproduced from an information recording medium, and rectifying a waveform of the digital signal; a maximum likelihood decoding section for performing maximum likelihood decoding of the digital signal having... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080165652 - Multilayer optical information recording medium, optical head, and optical drive: A disclosed optical recording medium includes multiple recording layer units in each of which one or more recording layers and one or more middle layers are stacked alternately; and one or more spacer layers. In the disclosed optical recording medium, the recording layer units and the spacer layers are stacked... Agent: Dickstein Shapiro LLP

20080165654 - Holographic information recording and reproducing apparatus: A holographic information recording and reproducing apparatus, comprising a light source; a beam splitter for splitting a beam emitted from the light source into a first beam and a second beam; a spatial light modulator for providing the first beam with information; a first mirror for causing the second beam... Agent: Fitzpatrick Cella Harper & Scinto

20080165653 - Method and apparatus for recording and/or reproducing data on and/or from holographic storage medium: A method and an apparatus for recording and/or reproducing data on/from a holographic storage medium, the method includes: calculating an on to off pixel ratio of the page; inverting data of the page according to the on to off pixel ratio to generate a page to be recorded; and recording... Agent: Stein, Mcewen & Bui, LLP

20080165656 - Method of manufacturing of a diffraction grating-based optical identification element: A system for writing an optical code within or on a fiber substrate is provided. The system includes a holding device that has a plurality of supports spaced apart from each other. The fiber substrate is wound about the supports such that the fiber substrate forms at least one flat... Agent: The Small Patent Law Group LLP

20080165655 - Optical pickup device: First order diffraction lights reflected on a first signal face for reproducing an optical disc and further deflected by a spatial divide element converge to spots 21a to 21d on photo acceptance cells 9A to 9D of a photodetector 9, while diffraction lights reflected on the first signal face and... Agent: The Nath Law Group

20080165658 - Information recording carrier and information reproducing apparatus for the same: Plural grooves or lands formed in an information recording carrier include at least a wobbling region and data is recorded wobblingly in this wobbling region by phase shift modulation while recorded digitally with a single or multiple waves as a channel bit.... Agent: Nath & Associates

20080165657 - Optical pickup apparatus and optical disk drive apparatus: An optical pickup apparatus for reproducing information from an optical disk, includes: a semiconductor laser applying a beam to an optical disk having two recording layers through an objective lens; and a light receiving device to which light reflected from the optical disk is directed through the objective lens and... Agent: Dickstein Shapiro LLP

20080165659 - Holographic storage medium, and apparatus for recording/ reproducing data on/ from the holographic storage medium: A holographic storage medium, and a method and an apparatus for recording/reproducing data on/from the holographic storage medium, the method recording data on the holographic storage medium as holograms recorded in datapages, and dividing one of the datapages into a plurality of regions; and recording the data at various sampling... Agent: Stein, Mcewen & Bui, LLP

20080165660 - Objective lens system and optical pickup including the same: The present invention provides an objective lens system for forming a spot of a laser beam of λ wavelength on a first information recording surface through a disc protective layer having a first thickness and a second information recording surface through a disc protective layer having a second thickness greater... Agent: Mcdermott Will & Emery LLP

20080165661 - Optical disc apparatus, optical disc determination method, program, and integrated circuit: An optical disc drive apparatus determines which one of a plurality of discs with different specifications has been mounted on the apparatus in a short time as well as in a safe manner without damaging information recorded on the disc. An optical disc apparatus 100 illuminates an optical disc 1... Agent: Wenderoth, Lind & Ponack L.L.P.

20080165662 - Optical pickup device: An optical pickup device includes an objective lens (1) for focusing a light flux onto an information layer of a disk-shaped medium, an objective lens driving unit that drives the objective lens (1) in a focus servo direction and in a tracking servo direction, a correction lens (14) disposed on... Agent: Birch Stewart Kolasch & Birch

20080165663 - Method for high density data storage and read-back: An approach is presented for designing a polymeric layer for nanometer scale thermo-mechanical storage devices. Cross-linked polyaryletherketone polymers are used as the recording layers in atomic force data storage devices, giving significantly improved performance when compared to previously reported cross-linked and linear polymers. The cross-linking of the polyaryletherketone polymers may... Agent: Schmeiser, Olsen & Watts

20080165664 - Optical disc record system and method, and an optical pickup actuator unit for such a system: An optical disc record system comprising an optical pickup actuator unit for transferring data to and/or from a rotating optical disc. The optical pickup actuator unit comprises a fixed part (1) and a movable part (2) carrying an objective lens (4) for focusing a light beam on the optical disc.... Agent: Bainwood Huang & Associates LLC

20080165665 - Data storage cartridge and system including non-tape storage medium: A data storage cartridge includes a housing, a non-tape storage medium contained within the housing, and a stacking feature provided on a top surface of the housing and on a bottom surface of the housing opposite the top surface. The stacking feature is asymmetrical about a first median axis oriented... Agent: Imation Corp. Legal Affairs

20080165666 - Continuous addressing multi-layer optical disk and addressing method thereof: A continuous addressing optical disk including a plurality of recording layers is provided. Wherein, the Nth recording layer has a plurality of data sectors with continuous addresses. The (N+1)th recording layer has a plurality of data sectors with continuous addresses. Wherein, the addresses of the data sectors of the Nth... Agent: Jianq Chyun Intellectual Property Office

20080165667 - Method and apparatus for discriminating optical information storage media: A method of discriminating an optical information storage medium. The method includes generating a signal obtained by summing the amount of light reflected by the optical information storage medium and received by a quadrant photodetector by moving an objective lens up and down at a predetermined speed while the optical... Agent: Stein, Mcewen & Bui, LLP

20080165668 - Recording medium and information recording and reproducing method using the same: A recording medium comprises a substrate and a recording layer overlaid on the substrate. The recording layer comprises a material, which has properties such that, when recording light having a predetermined wavelength λ1 is irradiated to the material, the material is capable of being caused to change into a fluorescent... Agent: Sughrue, Mion, Zinn, Macpeak & Seas, PLLC

20080165669 - Read-side anti-theft optical discs and method of manufacturing read-side anti-theft optical discs: The invention relates to methods for manufacturing an optical devices and optical devices incorporating optical blocking material on the read-side surface of the optical disc. A protective layer and an optical blocking material are applied to the read-side surface of an optical disc. The protective layer, for example, may prevent... Agent: Rader Fishman & Grauer PLLC

20080159086 - Optical disk and optical disk device and control device: The present invention relates to optical disks and optical disk devices, and has an object to reduce access time and prevent malfunction. To attain the above object, in an optical disk (100), a management information area (130) is placed inside a user data area (140), namely, at the innermost circumference... Agent: Birch Stewart Kolasch & Birch

20080159087 - Pickup for accessing moving storage media and drive having the pickup: A pickup for accessing moving storage media carrying substantially parallel information tracks has a carrier, an actuator with a lens and suspension wires extending from the rear of the carrier and joining the carrier and the actuator. The actuator is movable in the focus direction and in a tracking direction... Agent: Joseph J. Laks Thomson Licensing Llc

20080159089 - Optical head and optical disk apparatus: An optical head includes: a first optical element having an optical characteristic of reflecting a light of a first wavelength and transmitting lights of second and third wavelengths, on the first optical element the light of the first wavelength from a first light source being incident; and a second optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080159088 - Tracking a position in relation to a surface: A tracking device is provided for tracking a position of the tracking device in relation to a surface. The tracking device has a first optical sensor to capture a primary image of the surface. A second optical sensor is provided to capture a secondary image of the surface. A processor... Agent: Marvell/finnegan Henderson LLP C/o Finnegan, Henderson, Farabow, Garnett Et. Al.

20080159090 - Optical pickup and disk drive device: Disclosed is an optical pickup including: an actuator supporting a lens holder holding an objective lens and a yoke base including a predetermined insert and holding a magnet for driving magnetically the lens holder; a head base having an opening into which the insert of the yoke base is inserted... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080159091 - Optical pickup device and optical recording medium driving device: An optical pickup device has a first light source and a second light source each adapted for outputting a laser beam of a predetermined wavelength, a photodetector for detecting an intensity of the laser beam outputted from the first light source or the second light source to control the power... Agent: Wenderoth, Lind & Ponack L.l.p.

20080159092 - Medium storage device, position demodulation device and position demodulation method: A first and second phase patterns of which phases are the same and a third and fourth phase patterns of which phases are opposite of the first and second phase patterns and of which phases are different from each other, are formed on a recording medium. A position information in... Agent: Greer, Burns & Crain

20080159094 - Disc drive and method for determining write parameters: A method for controlling write parameters in a data-write process includes steps of: emitting a laser beam to be focused on a disc to write data onto the disc; determining whether a check-point predetermined for the disc is detected; at occurrence of the check-point is detected, pausing the data-write process... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080159093 - System and method for adjusting tilt angle of light beam: A method for adjusting a tilt angle of a light beam emitted by an optical pickup unit of an optical disc drive, the method includes steps of adjusting the tilt angle of the light beam according to test parameters preinstalled in the optical disc drive; detecting focusing error signals, the... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080159095 - Pseudo multi-channel stereo play-back apparatus: Compressed audio data for 5.1 channels stored in the DVD-ROM 11A is read by the AC-3 decoder 12 of a pseudo multi-channel stereo play-back apparatus and, after expansion, stored temporarily in a buffer 13, channel by channel. Among stored audio data stored in the buffer 13, audio data for left... Agent: Foley And Lardner LLP Suite 500

20080159097 - 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

20080159100 - Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information: An information recording medium including a plurality of layers for recording or reproduction of information by irradiation of light and a tracking error signal for determining a layer number being recorded in each of the plurality of layers. A modulation of the tracking error signal is different in each of... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080159099 - Information recording medium, recording/reproducing method and apparatus, and host apparatus: An information recording medium, a recording/reproducing method and apparatus, and a host apparatus are provided to ensure compatibility between information recording media having functions of a new standard and existing standard drive systems. The information recording medium includes a data area, a defect management area for managing a defect occurring... Agent: Stein, Mcewen & Bui, LLP

20080159098 - 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

20080159101 - Optical disk device and control method thereof: Disclosed is an optical disk device including: an objective lens unit having an objective lens and a lens holder; an elastic supporting member supporting displaceably the objective lens unit on a body of an optical head; first and second drive sections applying respectively driving forces to first and second driven... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080159096 - Information processing apparatus: According to one embodiment, an information processing apparatus includes an optical disk drive that performs at least one of a read process and a write process for a plurality of kinds of optical disk, and a designation unit that designates at least one kind of an optical disk as a... Agent: Blakely Sokoloff Taylor & Zafman

20080159102 - Content replication deterrent method on optical discs: An article of manufacture comprising an optical disc readable by an optical reader. The disc provides content replication deterrence by placing an optical satte chance security material in the tracking control region of the disc.... Agent: Kelley Drye & Warren LLP

20080159103 - Optical disc device: A normal resolution component included in a readout signal of a super resolution optical disc is canceled to improve quality of the readout signal. The normal resolution component is separated from the readout signal of the super resolution optical disc by using a normal resolution selection filter such as a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080159104 - Information recording medium evaluation method, information recording medium, method for manufacturing information recording medium, signal processing method and access control apparatus: A method for rating an information recording medium according to the present invention includes the steps of: receiving a digital read signal, which has been generated based on an analog read signal representing information that has been read from the information recording medium, and shaping the waveform of the digital... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080159105 - Detection of spindle motor degradation: Systems and methods are disclosed for detecting spindle motor degradation. A method includes issuing an alert if a difference between feed forward compensation signals of repeatable runout determined at a first time and feed forward compensation signals of repeatable runout determined at a second time satisfies a first threshold condition.... Agent: Hensley Kim & Holzer, Llc

20080159106 - Two-dimensional symbol detector one-dimensional symbol detection: The present invention relates to a symbol detection apparatus for detecting the symbol values of a one-dimensional channel data stream recorded along one-dimensional contiguous tracks on a record carrier, wherein the symbols of adjacent tracks have a varying phase relation. In order to enable the use of a 2D symbol... Agent: Philips Intellectual Property & Standards

20080159107 - Copying apparatus for copying a recoding medium, a method thereof and a computer program thereof: A Copying Apparatus for copying a recoding medium, a method thereof and a computer program thereof is provided, wherein the recording medium is copy-protected by a predetermined method.... Agent: North America Intellectual Property Corporation

20080159110 - Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor: A recording medium includes a substrate having a microscopic pattern, which includes a shape of continuous substance of approximately parallel grooves formed with a convex shaped section and a concave shaped section alternating on a surface of the substrate. A recording layer is formed on the microscopic pattern and a... Agent: Connolly Bove Lodge & Hutz LLP

20080159108 - 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

20080159109 - 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

20080159111 - Optical pickup device: An optical pickup apparatus includes an optical pickup, and a turntable for holding an optical recording medium is placed. A protective cover is arranged between the optical recording medium placed on the turntable and the optical pickup and protects the optical pickup. A heat conducting member connects the optical pickup... Agent: Foley And Lardner LLP Suite 500

20080159112 - Spot size focus error detection for multiple beam optical scanning device: A device (1) for scanning an optical disc (6), the disc (6) comprising substantially parallel data tracks (10). The device (1) comprises an optical unit for creating track light spots (12) on the data tracks (10) and a plurality of detector light spots on a plurality of signal detectors. The... Agent: Philips Intellectual Property & Standards

20080159113 - Optical pickup apparatus: An optical pickup apparatus including three semiconductor laser devices which emit laser beams of different wavelengths, a beam splitter, a collimator lens, a hologram device, two light receiving devices, a diffraction grating-hologram device, an integrated substrate, a light detection/source unit and diffraction gratings, whereby the three semiconductor laser devices share... Agent: Mcdermott Will & Emery LLP

20080159114 - 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

20080159115 - Optical recording medium: An optical recording medium capable of both recording in conformity to BD standard and recording/reading in conformity to DVD or CD standard. The optical recording medium includes: at least one recording layer located in the range of 40 to 120 μm away from a light incident surface, the recording layer... Agent: Mathews, Shepherd, Mckay, & Bruneau, P.a.

20080159118 - Content replication deterrent method on optical discs: An article of manufacture comprising an optical disc readable by an optical reader. The disc provides content replication deterrence by placing an optical satte chance security material in the tracking control region of the disc.... Agent: Kelley Drye & Warren LLP

20080159116 - Method for producing optical recording medium: A method for producing an optical recording medium having a substrate and a reflective layer, a recording layer and a cover layer formed in this order on the substrate, the method including forming guide grooves or pits at the substrate, forming the reflective layer at a surface side of the... Agent: Taiyo Corporation

20080159117 - Optical disc, optical disc reproducing apparatus and optical disc reproducing method: According to one embodiment, an optical disc is an optical disc having a plurality of recording pits on a recording surface, each of the plurality of recording pits having a circumferential direction length corresponding to record data, and radial direction cross-sections of the recording pits of signals of 2T, 3T... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080159119 - Optical disc medium and optical disc device: Provided are a medium structure which allows track narrowing onto a three-dimensional pit selection type disc, and its corresponding optical disc device. Multiple data pit strings are formed between track guide grooves, and a phase-change recording film is formed only in the data pit strings. Thereby, a disc configuration is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080159120 - Controller of optical disk device: A controller of an optical disk device includes: a first sub-controller, a second sub-controller and a third sub-controller. The first sub-controller includes serially connected a first lead-lag filter and a first low pass filter. The second sub-controller includes a second lead-lag filter and a second low pass filter that are... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080159121 - Write-once optical recording medium: A write-once optical recording medium includes a substrate, and a recordable film formed on the substrate. The recordable film includes a recording layer containing a component selected from germanium (Ge), antimony (Sb), silicon (Si), and mixtures thereof, and a reflective layer containing a component selected from aluminum (Al), copper (Cu),... Agent: Foley And Lardner LLP Suite 500