Dynamic information storage or retrieval inventions 06/08

20080151701 - Method and apparatus for identifying optical information storage medium: A method and apparatus for identifying an optical information storage medium, the method of identifying the optical information storage medium loaded into an apparatus for reproducing/recording the optical information storage medium including: moving an object lens at a predetermined velocity in a first direction or a second direction while the... Agent: Stein, Mcewen & Bui, LLP

20080151702 - Content reproducing system, electronic apparatus, reproduction control method, program, and storage medium: In a content reproducing system, the electronic apparatus includes a display controller for controlling display of a content list, a selecting unit for selecting, among the one or more reproducing apparatuses, a reproducing apparatus for reproducing one of the pieces of content, and an instructing unit for instructing the selected... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080151703 - Apparatus for processing a defect in an optical disc apparatus: An apparatus for processing a defect includes a defect detection unit and a main filter. The defect detection unit detects a presence of a defect in a disc, and when the defect is detected, outputs a reset signal to the main filter. The main filter receives a focus error signal... Agent: F. Chau & Associates, Llc

20080151704 - Readback apparatus and readback method: A readback apparatus (a) calculates a variance value of a signal read by a head from a disc medium, (b) estimates a degree of offtracking of the head from a target track to an adjacent track, and interference power from the adjacent track using the variance value of the signal,... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080151705 - Arrangement for optimizing servo controller power in two-dimensional flexure mems storage devices: An arrangement for optimizing a servo controller power required in the operation of two-dimensional flexure (Microelectronic Memory Storage) MEMS devices.... Agent: Scully, Scott, Murphy & Presser, P.c.

20080151706 - Optical pickup actuator: An optical pickup actuator includes a blade, on which an objective lens is mounted, arranged so as to flexibly move by a plurality of suspension wires; magnets facing each other in a tangential direction, wherein the blade is between the magnets, first coils arranged in pairs on two sides of... Agent: Stein, Mcewen & Bui, LLP

20080151708 - Objective lens driving device, assembling method for the same and optical disc apparatus: A groove (chucked portion) which makes chucking from outside of the device possible, is set up in a permanent magnet which is arranged in an objective lens driving device. By this arrangement, chucking of the permanent magnet is performed surely utilizing a jig and positional adjustment of the permanent magnet... Agent: Morgan Lewis & Bockius LLP

20080151707 - Optical disk device and control method of optical disk device: An optical disk device includes an objective lens, a light detector, a lens holder, a focus drive actuator, a servo control section, and a control section. The focus drive actuator drives the lens holder along an optical axis of the objective lens. The servo control section and the control section... Agent: Osha Liang L.l.p.

20080151709 - Seeking method for optical disk drive: An optical disk drive is used for recording data to and/or reproducing data from an optical disk. The optical disk drive includes a pickup head, a stepping motor, an ASP, and a DSP. The stepping motor is used for moving a pickup head to seek a target track of the... Agent: North America Intellectual Property Corporation

20080151711 - Optical disc apparatus, optical information equipment with the optical disc apparatus, and focusing control lsi in the optical disc apparatus: In the present invention, at the time of pulling a focus on an information recording surface of a disc, a focus servo is first pulled in a substrate surface of the disc, and with the servo in a settled state, a driving signal necessary for following surface wobble is stored,... Agent: Wenderoth, Lind & Ponack L.l.p.

20080151712 - Recording and reproducing apparatus and recording medium: The present invention provides a recording and reproducing apparatus that can perform high-precision tracking servo control by removing noise from detected servo signals. The recording and reproducing apparatus performs tracking servo control while reading servo signals 10 that are formed on a surface 9 of a recording medium 2 so... Agent: Birch Stewart Kolasch & Birch

20080151713 - Recording and/or reproducing methods and appratuses: In one embodiment the method includes reading speed information from a specific area of the recording medium. The speed information includes one or more speed flags to indicate whether a corresponding speed is applicable to the recording medium. A first speed flag for a first recording speed lower than a... Agent: Harness, Dickey & Pierce, P.L.C

20080151710 - Optical disk apparatus and method for determining recording power for the same: In an optical disk apparatus and a method for determining the recording power for the same, for determining the optimum value of a laser power when recording data onto a high density optical disk, a test signal is recorded with changing the recording power Pw while fixing an erasing power... Agent: Townsend And Townsend And Crew, LLP

20080151715 - Disc apparatus: A disc apparatus comprises: an optical pickup for irradiating a laser beam onto an optical disc; a reproduction signal detection unit for detecting a reproduction signal when reproducing data; a modulation detection unit for detecting modulation of the reproduction signal; an asymmetry detection unit for detecting asymmetry of the reproduction... Agent: Crowell & Moring LLP Intellectual Property Group

20080151714 - Recording power correction method and recording and reproduction apparatus for optical disk: Correction of recording power is appropriately performed to an optical disk. The recording power correction method includes a step of temporarily stopping data recording into an optical disk, reproducing a result of the relevant data recording, and specifying a detection pattern including a predetermined code in a reproduction signal; a... Agent: Knobbe Martens Olson & Bear LLP

20080151716 - Optical disc recording and reproducing apparatus and optical disc recording and reproducing method: An optical disc recording and reproducing apparatus which reproduces data by the PRML scheme includes a recording waveform generating unit for generating a recording waveform, a reproducing unit for reproducing the recorded data to generate reproduction data, a defect determining unit for determining whether or not a defect is included... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080151720 - Apparatus for transferring data with respect to a write-once storage medium, and the write once storage medium: An apparatus for transferring data with respect to a write-once storage medium and the write-once storage medium, where the write-once storage medium includes a management area other than the data area having a defect management area, and a last temporary defect information and a last temporary defect management information, which... Agent: Stein, Mcewen & Bui, LLP

20080151718 - Information storage medium including a track pitch in a system lead-in area that is longer than a track pitch in a data lead-in area: A basic data structure in a lead-in area is made coincident with each other in all of a read only type, write once type, and a rewritable type. The lead-in area is divided into a system lead-in area and a data lead-in area. A track pit and a pit pitch... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080151717 - Recording and reproducing apparatus: A recording and reproducing apparatus includes an access display unit of a hard disk and a failure diagnosis unit to carry out a failure diagnosis by using error information of data reproduced from the hard disk, in which either a video recorded in the hard disk is displayed on the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080151719 - Recording medium for storing defect management information for recording real time data, defect managing method therefor, and real time data recording method: A recording medium for storing defect management information to record real time data, a defect managing method therefor, and a method of recording real time data. The recording medium stores information representing use or non-use of linear replacement defect management in which a defective area on the recording medium is... Agent: Stein, Mcewen & Bui, LLP

20080151721 - Recording medium for storing start position information for each zone and method of managing data using the information: A recording medium for storing start position information for each zone and a method of managing data using the information. In a disc having a plurality of zones which form a group, and a spare area which is allocated at the start portion or the end portion of the group... Agent: Stein, Mcewen & Bui, LLP

20080151722 - Optical disc device and method for discriminating different kinds of optical discs: This invention provides an optical disc device and method for discriminating between DVD and HD-DVD more rapidly. After an optical pickup has been stopped above a data region on the optical disc, a tracking error signal generator acquires amplitude “Vdpp” based on a DPP method and amplitude “Vdpd” based on... Agent: Townsend And Townsend And Crew, LLP

20080151723 - Apparatus and method for reading and/or writing information and method for controlling a stepping motor: Disclosed is an apparatus for reading and/or writing information from/to an information carrier (1), comprising a motor (2) for rotating the information carrier (1); pick-up unit (3) for directing a radiation beam (8) on the information carrier (1 ); traverse means having a permanent magnet stepping motor (6) for moving... Agent: Philips Intellectual Property & Standards

20080151724 - Systems and methods for managing unavailable storage devices: In some embodiments, storage devices, such as a storage drive or a storage node, in an array of storage devices may be reintroduced into the array of storage devices after a period of temporary unavailability without fully rebuilding the entire previously unavailable storage device.... Agent: Knobbe Martens Olson & Bear LLP

20080151725 - Apparatus and method for optimized write strategy control: Apparatus and a method for optimizing one or more write parameters a write strategy in a recording process are disclosed. The optimization process may be conducted in a walking type optimization process, e.g. by running an optimization process every time a predetermined number of tracks has been recorded. The apparatus... Agent: Philips Intellectual Property & Standards

20080151726 - Optical disc recording and reproducing apparatus and optical disc recording and reproducing method: An optical disc recording and reproducing apparatus includes a maximum likelihood detection unit for decoding binary data from a reproduced multivalued signal from an optical disc, an equalization error generation unit for obtaining an equalization error signal from an input signal and an output signal to and from the maximum... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080151732 - Double sided optical disc and method for producing the same: A double sided optical disc includes a first record carrier having a light transmitting base board, a first reflecting layer formed on the base board and a first protective layer formed on the first reflecting layer; and a second record carrier having a light transmitting cover, a second reflecting layer... Agent: Wolf Greenfield & Sacks, P.c.

20080151728 - Optical disc and optical disc device: An optical disc is provided which realizes desired optical properties, which has a transmissive reflection layer causing no deformation and the like of minute convex pits, and which can realize superior reproduction properties even when high density recording is performed. The above optical disc has at least three information layers... Agent: Knobbe Martens Olson & Bear LLP

20080151727 - Optical disk and optical disk apparatus using the same: According to one embodiment, in a single-sided, triple-layered optical disk, at least a first reflecting layer on the light incident side is made of silicon or a silicon compound, and has a recording density lower than those of second and third reflecting layers.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080151730 - Optical recording and reading method, optical recording and reading apparatus, and optical recording medium: An optical recording and reading method capable of enhancing the design flexibility of recording layers of an optical recording medium and performing accurate optical recording and reading operations. The optical recording and reading method is one for recording and reading an optical recording medium having three or more recording layers... Agent: Mathews, Shepherd, Mckay, & Bruneau, P.a.

20080151729 - Optical recording medium and optical recording and reproducing apparatus: An optical recording medium includes a plurality of information layers each having a recording layer for recording information, wherein at least one of the information layers includes an optical change layer which optical constant changes by light irradiated thereon and restores to an original value after completion of the light... Agent: Amin, Turocy & Calvin, LLP

20080151731 - Optical recording medium and recording and reading method of optical recording medium: An optical recording and reading method capable of enhancing the design flexibility of recording layers of an optical recording medium and performing accurate optical recording and reading operations. A basic recording layer is arranged in a position that is in the range of 90 μm to 110 μm away from... Agent: Mathews, Shepherd, Mckay, & Bruneau, P.a.

20080151733 - Enhanced linearity dvd writing current circuit: A writing current circuit (42) supplies a controlled electrical current to a laser diode (34) for recording data swiftly onto a DVD (16). A plurality of current sources (62) in the writing current circuit (42) supply electrical current directly to the laser diode (34). Each current source (62) respectively receives... Agent: Donald E. Schreiber Donald E. Schreiber A Professional Corporation

20080151734 - Hologram recording method and device, hologram reproduction method and device, and optical recording medium: There is provided a hologram recording method, including generating a signal light which is spatially modulated such that digital data is represented by an image of intensity distribution, irradiating the signal light on an optical recording medium after a Fourier transformation of the signal light such that a zero-order component... Agent: Oliff & Berridge, Plc

20080151735 - Optical pickup, optical disc device, polarization adjustment plate, and optical device: The present invention can simplify the configuration of a polarization adjustment plate. According to the present invention, the crystal axis of the polarization adjustment wavelength plate 32 is so arranged as to be turned up from the X-Y plane being an orthogonal plane with respect to the optical axis 40a,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080151736 - Optical pickup: The present invention aims to correct the spherical aberration and ensure the working distance and furthermore to obtain satisfactory recording and reproducing property by shaping the optical spot formed on the disc surface. A liquid crystal element for correcting spherical aberration includes diffraction electrodes for converting the light beam to... Agent: Osha Liang L.l.p.

20080151737 - Objective lens drive apparatus, optical pickup, and optical disk apparatus: An objective lens drive apparatus configured to drive an objective lens that focuses a laser beam on an optical disk is disclosed, the apparatus including a holding member that holds the objective lens; at least one pair of drive magnets arranged to face each other at opposite sides of the... Agent: Dickstein Shapiro LLP

20080151738 - Optical disk drawing apparatus, host computer, and optical disk drawing method: A drawing pulse generating unit of an optical disk recording apparatus judges a bit stream of main data contained in a bit stream signal of frame-formatted data, and generates pulse signals DOTX 1 and DOTX 2 based upon the judgment, and then, outputs the generated pulse signals DOTX 1 and... Agent: Crowell & Moring LLP Intellectual Property Group

20080151739 - 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 state change security material in the tracking control region of the disc.... Agent: Kelley Drye & Warren LLP

20080151740 - Method for data storage protection and encryption: A method for encrypting and/or hiding data to a storage device is given. The method is based on any of the following algorithms: 1. Formatting any storage uniquely while storing the information about the unique format to a Geometrical Cell Location Table (GCLT); 2. Storage-sectors, based on standard formatting are... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080151741 - Recording/reproducing medium and method: A recording apparatus for use with a reproduction-only optical information storage medium, including: a recording unit which records data on the reproduction-only optical information storage medium; and a controller which controls the recording unit to form, on the reproduction-only optical storage medium, a plurality of areas and at least one... Agent: Stein, Mcewen & Bui, LLP

20080144450 - Method for data preservation: A method for data preservation is disclosed. In the method, the number of times the processor accesses a sector of a storage device is counted, which is used to determine the damage level of the sector. The data stored in the sector is moved and stored to a normal sector... Agent: Jianq Chyun Intellectual Property Office

20080144451 - Information reproduction apparatus, information reproduction method, information reproduction program, and recording medium having information reproduction program recorded on it: An information reproducer in which not only the accuracy at the time of reading a signal but also the stability of a servo circuit are enhanced by adding a servo error signal to parameters for judging acceptability of a data signal in an optical disc. An information reproduction method, an... Agent: Drinker Biddle & Reath Attn: Intellectual Property Group

20080144452 - Compensating the effects of non-synchronous writing of erasable servo marks: A method is provided, which includes reading data from a data storage medium. Reading data from the medium causes the data to be erased. The method further includes determining a desired position to rewrite the data by computing a position error signal based on the data signal and compensating the... Agent: Seagate Technology Llc C/o Westman Champlin & Kelly, P.a.

20080144454 - Data storage device with data recovery process using fixed phase clocking for analog-to-digital conversion: The invention includes apparatus and methods that allow a data storage device perform an enhanced data recovery procedure (DRP) that includes obtaining a new digital sampling of the voltages for the failing unit of data by re-reading the analog signal and converting it to digital form using an analog-to-digital conversion... Agent: Marlin Knight

20080144455 - Performing error-free access operation on multi-layered disc: A method of reproducing information recorded on an optical disc having a plurality of recording layers inclusive of a first recording layer and a second recording layer includes the steps of referring to an order of recording of the first recording layer and the second recording layer according to which... Agent: Dickstein Shapiro LLP

20080144456 - Optical disc apparatus and optical disc recording and reproduction method: To expand a capture range of a PLL circuit when a recording parameter optimal to a disc is decided when a PRML identification system is used. In an optical disc apparatus according to the present invention, the PLL circuit generates a reproduction clock signal based on a reproduction signal. A... Agent: Knobbe Martens Olson & Bear LLP

20080144453 - Optical disc apparatus and recording power control method: According to one embodiment, in a data write operation, the average value of the emission power detected by a front monitor is obtained via a low-pass filter and a sample hold circuit. In the write operation, erase power controlled by an erase APC is obtained via a sample hold circuit.... Agent: Knobbe Martens Olson & Bear LLP

20080144457 - Apparatus for reproducing data from information storage medium having multiple storage layers with optimal power control (opc) areas and buffer areas: An information storage medium and an apparatus for recording and/or reproducing the information storage medium are provided to control an optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer. The information storage medium includes at... Agent: Stein, Mcewen & Bui, LLP

20080144458 - Optical disc recording method and optical disc apparatus: Objectives of the present invention are to prevent a reduction in the accuracy of an OPC which would otherwise occur due to an influence of a change in temperature, and to increase the reliability of a recording data. To this end, in the OPC using a modulation, the OPC is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080144462 - 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

20080144463 - 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

20080144464 - 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

20080144461 - Optical disk apparatus: An optical disk apparatus having an aberration correcting unit for correcting aberrations generated on the recording surface of an optical disk based on received correcting signals, a servo signal generating unit for generating servo signals based on the reflection lights from the optical disk and predefined parameters, and a birefringence... Agent: Yokoi & Co.,u.s.a., Inc.

20080144460 - Tracking error detection method and optical disc reproduction apparatus using the same: An object of the present invention is to improve a conventional DPD method having a problem that a tracking servo becomes unstable due to a reduction in the accuracy of detecting a phase difference between short mark signals at an edge, in a case where the amplitudes of the short... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080144459 - Method and apparatus for controlling access to storage media: In embodiments, a method and apparatus for controlling access to a storage medium, such as an optically readable medium. Light sensitive or other materials that are adapted to change state and affect reading of a storage medium are used to control access to data that may be stored on optical... Agent: Kelley Drye & Warren LLP

20080144465 - 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

20080144466 - 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

20080144467 - 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

20080144468 - Optical disc apparatus and information recording method thereby: If a failure is detected during operation of information recording in an optical disc apparatus, the optical disc apparatus stops the recording operation, changes the number of rotations of the optical disc to a low-speed value, seeks a selected recording region, performs OPC processing and trial write operation, measures a... Agent: Townsend And Townsend And Crew, LLP

20080144469 - Disc apparatus and bca signal reproduction method using the apparatus: A BCA signal reproduction method for reading a BCA signal from a disc includes detecting a peak value of the BCA signal (peak detection value); detecting a bottom value of the BCA signal using a wide tracking bandwidth (first bottom detection value); detecting a bottom value of the BCA signal... Agent: Knobbe Martens Olson & Bear LLP

20080144470 - Managing system stability: System stability is managed. It is determined that a data storage system is responsive to an enclosure that is unstable. Based on the determination, the enclosure is temporarily prevented from being added to the data storage system.... Agent: Richard M. Sharkansky

20080144471 - Application server provisioning by disk image inheritance: A disk image is generated, stored in at least one persistent storage device, comprises at least one software application, and is a root disk image. An inheritance tree comprising a root node associated with the root disk image is created. A new disk image of a disk is generated based... Agent: International Business Machines Corp. (jms)

20080144472 - Electron beam recorder and electron beam irradiation position detecting method: An electron beam recorder includes an electron optical system for irradiating an electron beam on a master of an information recording medium and an electron beam irradiation position detecting unit for detecting an irradiation position of the electron beam in the electron optical system while the electron beam is being... Agent: Ratnerprestia

20080144473 - Optical element and optical information recording/reproducing apparatus: An optical element is for generating recording signal light and reference light interferes with the recording signal light by changing an orientation state of a liquid crystal to record optical information on a recording medium through volumetric recording. The optical element includes a first polarizing element; a second polarizing element;... Agent: Greer, Burns & Crain

20080144474 - Information recording and reproducing apparatus: An information recording and/or reproducing apparatus capable of obtaining a certain recording/reproducing margin with a simplified structure. The apparatus identifies whether an optical disc is a single-layer recording medium having one recording layer or a multilayer recording medium having a plurality of recording layers, and sets a control range (movable... Agent: Fitzpatrick Cella Harper & Scinto

20080144476 - Optical pickup apparatus and photodetector: A first photodiode for BD receives a laser light beam separated from a laser light beam emitted from a first semiconductor laser, detects laser power of the first semiconductor laser, and outputs an output current signal. A second photodiode for DVD/CD receives a laser light beam separated from a laser... Agent: Morrison & Foerster LLP

20080144475 - System for reducing feedback noise due to relaxation oscillation in optical data recording reproducing systems using optimized external cavity: This invention relates to a method for reducing feedback noise in an optical recording/reproducing system (10) comprising a laser (18) driven by an AC and a DC current thereby generating a pulsating light (22) emitted from said laser (18) to an external cavity defining an optical length (L) from said... Agent: Philips Intellectual Property & Standards

20080144477 - Recording in probe-based data storage devices: Methods and apparatus are provided for recording/reproduction of data in a probe-based data storage device (1) in which application of a write signal causes formation of an indentation in a storage surface (5) by a probe of the device (1). Instead of storing information in the presence or absence of... Agent: Anne Vachon Dougherty

20080144478 - Vinyl record turntable having integrated docking station for a portable media player: An improved disc jockey turntable is disclosed. The turntable includes a housing having an I/O circuit, an audio output electrically connected to the I/O circuit, a rotatable platter configured and arranged to received a vinyl record thereon, an electric motor is configured to selectively rotate the platter, a movable tonearm... Agent: Barlow, Josephs & Holmes, Ltd.

20080144479 - Optical disc and its information recording method and apparatus: Recording timing of a Data segment is set so as to avoid locating a wobble modulated portion as preformat information which indicates information on Physical segments of a recording type optical disc, and a recording start head position of the Data segment to be recorded in a track, in the... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080144480 - Optical recording medium with different wobble characteristics between the user data area and the lead-out area: An optical recording medium has a user data area and a lead-out area, wherein the user data area and the lead-out area each has grooves and lands formed thereon. Wobbles are formed on at least one lateral surface of grooves of the user data area and the lead-out area, and... Agent: Stein, Mcewen & Bui, LLP

20080144481 - Optical recording medium with different wobble characteristics between the user data area and the lead-out area: An optical recording medium has a user data area and a lead-out area, wherein the user data area and the lead-out area each has grooves and lands formed thereon. Wobbles are formed on at least one lateral surface of grooves of the user data area and the lead-out area, and... Agent: Stein, Mcewen & Bui, LLP

20080144482 - Optical recording medium with different wobble characteristics between the user data area and the lead-out area: An optical recording medium has a user data area and a lead-out area, wherein the user data area and the lead-out area each has grooves and lands formed thereon. Wobbles are formed on at least one lateral surface of grooves of the user data area and the lead-out area, and... Agent: Stein, Mcewen & Bui, LLP

20080144483 - Optical information recording medium and method for manufacturing same: An optical information recording medium that has a simple structure and with which warpage is kept to a minimum even under environmental changes over a wide range, and a method for manufacturing this medium are provided. The optical information recording medium is an optical information recording medium used for the... Agent: Wenderoth, Lind & Ponack L.l.p.

20080137488 - Transmission configurable and storage capable audio systems and loudspeakers: An audio system that allows audio to be stored and/or moved between components of the audio system by means of digital plug-in cards.... Agent: Kelley Drye & Warren LLP

20080137489 - Storage apparatur, carriage shifting method and program thereof: A storage apparatus includes a plurality of carriages that are arranged in a matrix and store and transport objects. The plurality of carriages includes a first carriage that stores and transports the object, a second carriage that stores and transports the object, a third carriage that stores and transports the... Agent: Nec Corporation Of America

20080137490 - Optical disc with angular information and system for detecting angular information and related method thereof: Disclosed is an optical disc having angular information and a wobble track. A wobble signal generated according to the wobble track includes a phase corresponding to an angle of the optical disc. A detecting system for detecting the angular information of the optical disc is also disclosed, which includes a... Agent: North America Intellectual Property Corporation

20080137492 - Optical disc apparatus: An optical disc apparatus has a bottom cover member provided with an opening. A peripheral part of a unit mechanism deck member serving as a support member in a functional unit mechanism or a motor base holding a spindle motor and fixed to the unit mechanism deck member is projected... Agent: Mcdermott Will & Emery LLP

20080137491 - Optical disk drive with defocus-prohibited device: An optical disk drive with a defocus-prohibited device comprising: a frame; a cover disposed on the frame; a disk-rotating device disposed at an end of the frame; two guiding rods disposed at sides of the frame respectively and elongated from the end with the disk-rotating device to another end of... Agent: Birch Stewart Kolasch & Birch

20080137493 - Optical recording medium driving apparatus and focusing method: An optical recording medium driving apparatus supporting an optical recording medium having multiple recording layers includes head means including a focusing mechanism and a spherical aberration correction mechanism; focusing control means for driving the focusing mechanism on the basis of a reflected light to perform focusing control on each recording... Agent: Wolf Greenfield & Sacks, P.c.

20080137494 - Holographic recording medium and pickup for this medium: The present invention relates to a holographic recording medium, adapted to store additional information for the recorded holograms, and to a holographic pickup for a holographic storage system for use with the holographic recording medium. According to the invention, the holographic recording medium has a holographic layer for storing holograms... Agent: Joseph J. Laks Thomson Licensing Llc

20080137495 - Optical device and optical disc apparatus utilizing the optical device: [Solution] A signal, which is derived from the relationship between the lens shift amount of an objective lens (7) and the amount of the positional-deviation, of a received light beam with respect to a light-receiving plane, which occurs in the tangential direction on a photodetector (12), is corrected by an... Agent: Birch Stewart Kolasch & Birch

20080137496 - Optical-disk device and record-control method: An optical-disk device includes a record unit recording data onto an optical disk, and a management-information-record unit configured to additionally write the latest disk-management information about the optical disk in management-information-record areas provided on the optical disk. When a first area of the management-information-record areas is short of a vacant... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080137497 - Recording medium having spare area for defect management and information on defect management, and method of allocating spare area and method of managing defects: When a primary spare area is allocated for slipping replacement and linear replacement upon initialization, and a remaining portion of the primary spare area after slipping replacement and allocated for linear replacement after initialization are insufficient, a supplementary spare area is allocated. The sizes of the primary and supplementary spare... Agent: Stein, Mcewen & Bui, LLP

20080137498 - Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method: This optical disc drive has an optical pickup head that emits a light beam to an optical storage medium, detects the light beam reflected from the optical storage medium, and outputs a signal based on the received reflected light; a jitter measuring unit for measuring jitter in signals output from... Agent: Wenderoth, Lind & Ponack L.l.p.

20080137499 - Optical disk apparatus and focusing method: An optical disk apparatus carries out focusing operation at a position shifted by a very small distance from the surface of a disk or from the recording surface of the disk in such a condition that the disk is stopped or is rotating at a speed sufficiently lower than a... Agent: Mcdermott Will & Emery LLP

20080137500 - Method and apparatus for controlling the movement of a head in a disk drive: According to one embodiment, a disk drive having a head-motion control system. The disk drive comprises a defect evading unit. The defect evading unit includes a defect-approach determining unit and an evasion-orbit defining unit. The defect-approach determining unit determines a position near a defective part, which the head is approaching,... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080137501 - Recording medium having spare area for defect management and information on defect management, and method of allocating spare area and method of managing defects: When a primary spare area is allocated for slipping replacement and linear replacement upon initialization, and a remaining portion of the primary spare area after slipping replacement and allocated for linear replacement after initialization are insufficient, a supplementary spare area is allocated. The sizes of the primary and supplementary spare... Agent: Stein, Mcewen & Bui, LLP

20080137502 - Optical disc apparatus and optical disc recording and reproducing method: According to one embodiment, an optical disc apparatus includes a calculation unit that calculates a tilt of a disc, a determining unit that determines whether or not the tilt of the disc calculated by the calculation unit is larger than a preset predetermined reference value, and a correction unit that... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080137503 - Position verifying apparatus and method, position measuring apparatus and method, and computer program for position verification or position measurement: A position verifying apparatus is provided with: a first recording device for recording the information into a first area of the first recording layer; a second recording device for recording a part of the information by laser light which has penetrated the first area and for recording another part of... Agent: Young & Thompson

20080137504 - Method of writing data on a master substrate for optical recording: The present invention relates to a method of writing data on a master substrate (10) for optical recording, the master substrate comprising a recording layer (12) and a substrate layer (14), and the recording layer comprising a phase-change material the phase of which can be transferred from crystalline to amorphous... Agent: Philips Intellectual Property & Standards

20080137505 - Information storage medium having multi-angle data structure and method therefor: An information storage medium which stores data structures supporting multi-angles includes clip AV streams for respective angle data of multi-angle motion picture data. As additional information for each clip AV stream, clip information is recorded on a separate storage area from that of the clip AV streams. The clip information... Agent: Stein, Mcewen & Bui, LLP

20080137506 - Data transfer apparatus, imaging apparatus, and data transfer system: The data transfer apparatus includes a recording unit which records image files on a first recording medium, a communication unit which communicates with a recording apparatus which records an image file on a second recording medium, and receives medium information associated with the second recording medium from the recording apparatus,... Agent: Cowan Liebowitz & Latman P.c. John J Torrente

20080137507 - Method for storing data compatible with dvd read/write formats to hard disk, hd-dvd, or blue-ray dvd: The present invention is to provide a method to be used on an electronic device, which employs the demultiplexing process to divide the data streams from video file compatible with DVD read/write formats, or video file from several DVD disks; into several independent and separate files; the data streams include... Agent: Bacon & Thomas, Pllc

20080137508 - Processor and processing program: A processor of the invention includes: a storage 1 for storing at least one piece of information so as to be associated with jacket image information of an image related to the content; means for obtaining target medium image data by capturing an image of a jacket of a CD... Agent: Sughrue Mion, Pllc

20080137509 - Recording medium, recording method, and computer program: A recording medium (100) is provided with a first recording layer (L0) and a second recording layer (L1) for recording information. The first recording layer and the second recording layer are provided with control areas (102, 118), respectively, for recording control information for controlling at least recording or reproduction of... Agent: Young & Thompson

20080137510 - Optical disc apparatus: An optical disc apparatus has a structure including: a storage medium; a readout portion that reads out data from at least one Defect Management Area (DMA) or at least one group of the DMAs which is included in a Blu-ray Disc REwritable (BD-RE); a storing portion that stores one of... Agent: Morgan Lewis & Bockius LLP

20080137512 - Holographic information recording/reproducing apparatus and method for seeking books in the same: Provided are a holographic information recording/reproducing apparatus in which positions of books can be accurately ascertained in a holographic recording medium, and a method for seeking books in the same. The apparatus includes an aperture plate disposed in an optical path of a signal beam reproduced from a reference beam... Agent: Stein, Mcewen & Bui, LLP

20080137511 - Techniques to store and access information using a holographic medium: Techniques are described that can be used to store information onto a holographic storage medium. Techniques are described that can be used to access information from a holographic storage medium. Multiple beam sources and multiple detectors can be used to store and/or read information. At least one detector can be... Agent: Caven & Aghevli C/o Intellevate

20080137514 - 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

20080137513 - Optical pickup device: A diffraction element is disposed between a beam branching element (such as a beam splitter) and a photodetector. The diffraction element further segment an interference fringe introduced into stray light by a diffraction grating which divides a laser beam emitted from a laser beam source into a main beam and... Agent: Ditthavong Mori & Steiner, P.c.

20080137515 - Optical information recording/reproducing apparatus and optical information recording medium: When an optical information recording/reproducing apparatus receives a request for accessing to an optical information recording medium from a host computer, an optical pickup unit reads an access-restriction code that is recorded on a ROM data-layer of the optical information recording medium, a comparing unit compares the read access-restriction code... Agent: Greer, Burns & Crain

20080137516 - Optical pickup device: The optical pickup device according to the present invention includes: a light source which emits a first light at a first wavelength, a second light at a second wavelength and a third light at a third wavelength; an optical path combining unit which combines vectors of the first, second and... Agent: Greenblum & Bernstein, P.L.C

20080137517 - Coupling lens and optical pickup device: A coupling lens for chromatic aberration correction is placed between a light source and an objective lens for focusing light beams with a plurality of wavelengths on an information recording surface of an optical recording medium, and at least one surface of the coupling lens includes a plurality of annular... Agent: Oliff & Berridge, Plc

20080137519 - Multi-channel optical communication lens system and optical module using the same: A multi-channel optical communication lens system, which is disposed between a plurality of arranged optical transmission lines and a plurality of photoelectric elements which is arranged facing respective ones of the optical transmission lines and transmit or receive optical signals, and which couples the optical signals between each of the... Agent: Mcginn Intellectual Property Law Group, Pllc

20080137518 - Objective lens drive, optical pickup, and optical disc apparatus: An objective lens drive includes a lens holder holding first and second objective lenses and moved at least in a focusing direction substantially parallel to optical axes of the objective lenses and in a tracking direction orthogonal to the focusing direction; a support supporting the lens holder movably at least... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080137520 - Recording and reproducing method and recording and reproducing apparatus: A recording and reproducing method has a recording pulse generating step of generating a recording pulse to set timing of a beam emitted from a laser according to data to be recorded on an information recording medium; a laser power control step of controlling a laser drive current according to... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080137521 - Data storage device having magnetic domain wall motion and method of forming the same: A data storage device using magnetic domain wall motion may include a first magnetic layer having a plurality of magnetic domains. A second magnetic layer may be connected to the first magnetic layer, and a connection layer may be disposed between the first and second magnetic layers. A resistive magnetic... Agent: Harness, Dickey & Pierce, P.L.C

20080137522 - Storage apparatus, carriage shifting method and program thereof: A storage apparatus includes carriages that are arranged in a matrix and store and transport objects, and a carriage shifting mechanism that is fixed to the storage apparatus and shifts the carriages.... Agent: Nec Corporation Of America

20080137523 - Optical recording medium and recording apparatus: An optical recording medium having a track on which data has been previously recorded, comprising on the track a plurality of data block regions each of which includes main data of a block which is divided into a predetermined number of main data pieces, each of which has data for... Agent: Drinker Biddle & Reath (dc)

20080130425 - Device and method for scanning data stored on a recording medium: P

20080130426 - Multi-layered optical recording medium, address assignment method for multi-layered optical recording medium, apparatus and method of reproducing and method of recording: A multi-layered optical recording medium, a method of assigning an address in a multi-layered optical recording medium, a reproducing apparatus, a reproducing method, and a recording method, the optical recording medium including a plurality of recording layers, wherein a sector address is assigned such that a sector address of a... Agent: Stein, Mcewen & Bui, LLP

20080130427 - Signal processing system: The present invention discloses a signal processing system applicable in an electronic system having a hard disk, an indicator and an I/O controller, the I/O controller processing a driving signal outputted by the hard disk and generating a first processing signal. The signal processing system includes an editing module for... Agent: Edwards Angell Palmer & Dodge LLP

20080130429 - Information storage medium evaluation method, information storage medium evaluation apparatus, information storage medium, information reproduction apparatus, information reproduction method, and information recording method: An information storage medium according to an aspect of this invention has an information storage area for storing information, and a wobbled track which is used to guide a light beam on the information storage area, and is wobbled in correspondence with a frequency, a phase of which is modulated... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080130428 - Wobble signal detection circuit and wobble signal detection method: According to one embodiment, a wobble signal detection circuit comprises a phase control unit configured to read out a phase-modulated wobble signal from an optical disk and control a phase of the wobble signal to be coincide with a phase of a reference signal, a calculating unit configured to calculate... Agent: Knobbe Martens Olson & Bear LLP

20080130431 - Optical pickup device: Disclosed herein is an optical pickup device. In an embodiment of the present invention, sub beams from which an AC component has been removed are generated using a first diffractive element based upon properties that a beam incident on a disc is reflected with being separated by the track structure... Agent: Harness, Dickey & Pierce, P.L.C

20080130430 - Optical recording apparatus, optical recording method, recording medium, and reproducing method: An optical recording apparatus comprises: a focusing section that focuses to a transmission type recording medium a recording light beam including a signal light beam and a reference light beam which are radiated from a same direction with a common optical axis; and a focused-position moving section that moves with... Agent: Oliff & Berridge, Plc

20080130432 - Recovery method for recording to write-once disc: A recovery method for recording to a write-once disc. The recovery method includes: sequentially reading data within a plurality of Data Control Blocks corresponding to respective sessions on the write-once disc; utilizing data included in the Data Control Blocks to establish address information corresponding to each closed session; determining whether... Agent: North America Intellectual Property Corporation

20080130433 - Drive device: A drive apparatus of the present invention includes a recording/reproduction section, a drive control section and a memory circuit. The drive control section performs a process including: receiving a next writable logical address request instruction at least specifying the track; determining a size of the at least one data to... Agent: Snell & Wilmer L.l.p. (matsushita)

20080130434 - Storage device, memory, terminal, server, server-client system, storage medium, and control device: In a storage device, a bad-sector detecting unit detects a bad sector, and a process determining unit determines whether rescue process is performed for the bad sector. Upon determining to perform the rescue process, the process determining unit controls a damping ratio. A table-updating control unit records various information in... Agent: Greer, Burns & Crain

20080130435 - Disc drive apparatus with non-linear observer: An optical disc drive apparatus (1) comprises: a read/write element (34) to be positioned with respect to the disc (2), and a detector (35) for generating a read signal (SR); actuator means (50) for controlling the positioning of said read/write element. A control circuit (90) receives said read signal and... Agent: Philips Intellectual Property & Standards

20080130436 - Information recording medium, method of configuring version information thereof, recording and reproducing method using the same, and recording and reproducing apparatus thereof: In one embodiment, the method includes reading control information including version information from a specific area of the recording medium. The version information includes a first version information and a second version information. At least one of the first version information and the second version information is used to determine... Agent: Harness, Dickey & Pierce, P.L.C

20080130437 - Optical disk apparatus and land-pre-pit reproducing method: In an optical disk apparatus using an optical disk having groove tracks and land tracks alternately arranged therein and land pre-pits indicating position information defined in the land tracks, the optical disk is irradiated with a light beam and light reflected from the optical disk is received on divisional light-receiving... Agent: Wolf Greenfield & Sacks, P.c.

20080130438 - Optical disk apparatus and control method therefor: An optical disk apparatus for recording data on and reproducing data from a recordable optical disk includes a storage unit and a control unit. The storage unit is configured to store specific useful information necessary for at least one of recording data on and reproducing data from the optical disk.... Agent: Knobbe Martens Olson & Bear LLP

20080130439 - Method for dynamically detecting writing quality of a recordable optical disc: The present invention discloses a method for dynamically detecting writing quality of a recordable optical disc. According to the method, firstly a current detecting position located on a program area of the recordable optical disc is set. Then the recordable disc drive proceeds data recording in the program area with... Agent: Wpat, Pc

20080130442 - Optical disc drive provided with envelope defect detection function: The present invention is to detect an envelope defect of a read signal due to a fingerprint on a surface of a disc, an inter-layer interference of a dual disc, or the like which is a factor of a read error of an optical disc, and is to improve a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080130444 - Optical recording method on multilayer optical recording medium, optical recording apparatus, and multilayer optical recording medium: When there is a defect area in a specific recording layer, recording of information is continued and reduction in a recording rate is restrained. 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... Agent: Mathews, Shepherd, Mckay, & Bruneau, P.a.

20080130443 - Write-once optical disc, and method and apparatus for recording/reproducing management information on/from optical disc: A write-once optical disc and a method and apparatus for recording management information on the optical disc are provided. The optical disc includes at least one recording layer and a plurality of temporary defect management areas (TDMAs) on the at least one recording layer. At least one of the TDMAs... Agent: Birch Stewart Kolasch & Birch

20080130445 - 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

20080130449 - Optical recording medium, recording/reproducing apparatus and method, and recording medium storing program for executing the method: An information recording medium includes an access control area in which access control data (ACD) is recorded, the ACD having common information set to allow a recording/reproducing apparatus that cannot recognize a predetermined function of the information recording medium to control access to the information recording medium; and an ACD... Agent: Stein, Mcewen & Bui, LLP

20080130450 - Optical recording medium, recording/reproducing apparatus and method, and recording medium storing program for executing the method: An information recording medium includes an access control area in which access control data (ACD) is recorded, the ACD having common information set to allow a recording/reproducing apparatus that cannot recognize a predetermined function of the information recording medium to control access to the information recording medium; and an ACD... Agent: Stein, Mcewen & Bui, LLP

20080130446 - Recording/reproducing method, recording/reproducing apparatus, optical recording medium, and computer readable recording medium having recorded thereon program for the recording/reproducing method: A recording method for use by an apparatus and/or which is encoded on a computer readable medium includes selecting a defect management on mode or a defect management off mode that indicates whether defect management is to be performed or not while data is recorded in the recording medium, recording... Agent: Stein, Mcewen & Bui, LLP

20080130447 - Recording/reproducing method, recording/reproducing apparatus, optical recording medium, and computer readable recording medium having recorded thereon program for the recording/reproducing method: A recording method for use by an apparatus and/or which is encoded on a computer readable medium includes selecting a defect management on mode or a defect management off mode that indicates whether defect management is to be performed or not while data is recorded in the recording medium, recording... Agent: Stein, Mcewen & Bui, LLP

20080130448 - Recording/reproducing method, recording/reproducing apparatus, optical recording medium, and computer readable recording medium having recorded thereon program for the recording/reproducing method: A recording method for use by an apparatus and/or which is encoded on a computer readable medium includes selecting a defect management on mode or a defect management off mode that indicates whether defect management is to be performed or not while data is recorded in the recording medium, recording... Agent: Stein, Mcewen & Bui, LLP

20080130440 - Method for testing a burner and a rewriter disk: A method for testing a burner includes the steps of: providing a rewriter (RW) disk (4) in good burning condition, and inserting the RW disk into a test burner (3) connected to a computer (1); selecting a burner type for the burner; designating a source file to be burned, and... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080130441 - Optical recording medium, recording/reproducing apparatus and method, and recording medium storing program for executing the method: An information recording medium includes an access control area in which access control data (ACD) is recorded, the ACD having common information set to allow a recording/reproducing apparatus that cannot recognize a predetermined function of the information recording medium to control access to the information recording medium; and an ACD... Agent: Stein, Mcewen & Bui, LLP

20080130451 - Optical disc apparatus and method of focus balance adjustment: While reproducing information on an optical disc, an optical disc apparatus varies a focus balance value in both positive and negative directions from a currently set value thereof by ±a which will not affect reproduction operation, measures jitter levels c and d of a reproduced signal when the focus balance... Agent: Osha Liang L.l.p.

20080130452 - Optical recording medium driving apparatus and optical recording medium driving method: When a type of an optical disc is discriminated by disc type discriminating processing, search operation by a CD light beam is carried out in CD discriminating processing, and a distance from a position xf where a large signal change of a first time is detected as a fake phenomenon... Agent: Wolf Greenfield & Sacks, P.c.

20080130453 - Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method: This optical disc drive has an optical pickup head that emits a light beam to an optical storage medium, detects the light beam reflected from the optical storage medium, and outputs a signal based on the received reflected light; a jitter measuring unit for measuring jitter in signals output from... Agent: Wenderoth, Lind & Ponack L.l.p.

20080130454 - Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method: This optical disc drive has an optical pickup head that emits a light beam to an optical storage medium, detects the light beam reflected from the optical storage medium, and outputs a signal based on the received reflected light; a jitter measuring unit for measuring jitter in signals output from... Agent: Wenderoth, Lind & Ponack L.l.p.

20080130455 - Digital demodulating apparatus and controlling method thereof: A digital demodulating apparatus includes a supplying unit that supplies power to each of circuit elements constituting a receiving unit that receives a signal, and a demodulating unit that demodulates the received signal. The apparatus further includes a correcting unit that corrects errors due to noises generated on a transmission... Agent: Birch Stewart Kolasch & Birch

20080130456 - Method for assigning spare area in optical recording medium: An optical recording medium and a method and apparatus for assigning a spare area in a rewritable optical recording medium are provided. According to an embodiment, there is provided an apparatus for assigning a spare area in a storage medium assignable at least one spare area, characterized by assigning a... Agent: Birch Stewart Kolasch & Birch

20080130457 - Backup method of record information and method for reading backed up record information: A backup method includes reading record information of an optical disc; when the reading operation fails, utilizing an optical disc drive to read backed up record information at a plurality of specified positions in the lead-out area; checking a status of a session as a preparation for following recording; utilizing... Agent: North America Intellectual Property Corporation

20080130458 - Information recording medium and optical information recording/reproducing apparatus: An information recording medium includes a substrate and a recording portion having recording layers on the substrate, wherein the recording portion is capable of three-dimensional recording by changing an optical constant of the recording layers by an irradiation of a recording light, and a first reflected-light reducing portion for reducing... Agent: Wenderoth, Lind & Ponack L.l.p.

20080130459 - Information recording apparatus and method, and computer program: An information recording apparatus (300) is for recording record information onto an information recording medium (100) provided with: a first area (112) to record therein the record information; and a second area (111) in which the record information is prerecorded as embossed pits, the information recording apparatus is provided with:... Agent: Young & Thompson

20080130460 - Method and apparatus for controlling access to storage media: In embodiments, a method and apparatus for controlling access to a storage medium, such as an optically readable medium. Light sensitive or other materials that are adapted to change state and affect reading of a storage medium are used to control access to data that may be stored on optical... Agent: Kelley Drye & Warren LLP

20080130461 - Holographic storage with homodyne detection: The invention concerns the field of holographic storage units. More particularly, the invention concerns the field of holographic storage units used for bit-by-bit storage of information. It concerns a method for reading data recorded in a holographic material in the form of a hologram obtained by interference of two beams... Agent: Ip Group Of Dla Piper Us LLP

20080130462 - Optical device, in particular holographic device: An optical device comprises a light source (301) for generating a radiation beam, a reflective diffractive structure (304) for reflecting and diffracting said radiation beam along an optical path (PP), imaging means (305) for imaging the radiation beam after it has been reflected and diffracted by said reflective diffractive structure,... Agent: Philips Intellectual Property & Standards

20080130463 - Information recording apparatus and information reproducing apparatus: Information light modulated and emitted by a modulation element is led to a recording medium through a Fourier transform optical system and an optical path shifter. An interference image is recorded on the recording medium by interference of the information light and reference light. A deflection unit of the optical... Agent: Sidley Austin LLP

20080130464 - Optical disc and optical disc device: In a multilayer optical disc having information layers conforming to a plurality of different optical disc standards, because the type of each information layer is not recorded in the other information layers, in read and write operations by a compatible optical disc device conforming to a plurality of optical disc... Agent: Birch Stewart Kolasch & Birch

20080130465 - Objective optical system and optical information recording/reproducing device having the same: There is provided an objective optical system which includes a chromatic aberration correction element having a negative power first lens and a positive power second lens, materials of the first and lenses being different from each other, the first and second lenses being cemented together via a cementing surface to... Agent: Greenblum & Bernstein, P.L.C

20080130466 - Optical pickup device: An optical pickup device includes a beam shaping mirror. The mirror has a first optical surface on which a wavelength selection film and a diffraction grating are formed, and a second optical surface that is composed of a reflecting surface. The wavelength selection film passes a first laser beam and... Agent: Morgan Lewis & Bockius LLP

20080130467 - Objective optical system and optical pickup including the same:

20080130468 - Optical pickup device: An optical pickup device includes a beam shaping mirror. The mirror has a first optical surface on which a wavelength selection film is formed and a second optical surface on which a diffraction grating is formed. The wavelength selection film transmits a first laser beam and reflects a second laser... Agent: Morgan Lewis & Bockius LLP

20080130469 - Optical pickup device and optical disc apparatus: An optical pickup device in which light via a beam shaping mirror is input to an objective lens and the light is directed to an optical disc, includes a collimator lens which changes the light input to the beam shaping mirror into infinite system light and the beam shaping mirror... Agent: Morgan Lewis & Bockius LLP

20080130470 - Optical pick-up unit: The present invention provides for an optical pick-up unit having a lens arrangement for driven movement in the direction of an optical disk, a counterweight mass member mounted in a manner so as to be moveable in the direction of the disk when the optical pick-up unit experiences an impact... Agent: Philips Intellectual Property & Standards

20080130471 - Optical pickup and optical disk apparatus: An optical pickup includes a light emitting device, a prism, and an objective lens. The light emitting device emits a laser beam. The prism has an entrance face and an exit face. In the prism, the laser beam emitted from the light emitting device is perpendicularly incident on the entrance... Agent: Wolf Greenfield & Sacks, P.c.

20080130472 - Recorder and method for determining recording signal: A method for determining a recording signal of a recorder to record data onto a disc, the recording signal comprising a top pulse having a first power value Ph includes steps of: generating first test power values based on an initial first power value to record test data onto the... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080130473 - Video camera with disk device and control method thereof: A video camera with a disk drive capable of recording and reproducing operations with stability and silence achieved by suppressing vibration and noise caused by disk rotation. The number of revolutions of the disk is controlled according to states of the video camera. The disk drive comprises a disk rotation... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080130476 - Optical data recording medium and method for reproducing recorded data: An optical data recording medium, in which irradiation of a light beam is used for recording and/or reproducing data includes (i) a substrate having an a rise and/or a recess which are a light-incident surface, (ii) a reflective layer, provided on the light-incident surface of the substrate, for reflecting the... Agent: Edwards Angell Palmer & Dodge LLP

20080130475 - Optical disk: The invention provides an optical disk including an image recording layer and a first cover layer formed in this order on one surface side of a substrate, and an information recording layer and a second cover layer formed in this order on the other surface side of the substrate. The... Agent: Taiyo Corporation

20080130474 - Optical recording materials having high stroage density: The invention relates to an optical recording medium comprising a substrate, a recording layer and optionally one or more reflecting layers, wherein the recording layer comprises a compound of formula (I). For the detailed definitions of the further substituents, see the description. Recording and playback are effected especially at a... Agent: Joann Villamizar Ciba Corporation/patent Department

20080130477 - Method of erasing data from optical disc: A method and device for erasing data from an optical disc, are discussed. In an embodiment of the present invention, the area of the optical disc where data has been written is overwritten with arbitrary data using a beam spot spanning over two or more radially adjacent tracks. The beam... Agent: Birch Stewart Kolasch & Birch