Dynamic information storage or retrieval inventions 02/08

20080049563 - Optical element and optical head: An optical element for being carried on a slider moving over a recording medium, the optical element being made of a fluid material that transmits light guided from a light source, the optical element which includes a groove an first end which is open and an second end is closed,... Agent: Sidley Austin LLP

20080049564 - Reading method of optical disc drive for reading disc and finding if disc is placed reversely: A reading method for finding if a disc is placed reversely used in an optical disc drive is provided. The optical disc drive has a spindle motor, an optical pickup head having a lens, a fine actuator and a sled actuator. Firstly, a disc is placed into the optical disc... Agent: Bacon & Thomas, PLLC

20080049565 - Light-receiving element, optical head using the same, and optical recording/reproducing apparatus using the same: There are provided a light-receiving element for receiving light reflected from an optical recording medium, an optical head using the element, and an optical recording/reproducing apparatus using the element. In particular, the light-receiving element can be manufactured at low cost and in a simple manner and is configured to receive... Agent: Oliff & Berridge, PLC

20080049568 - Aberration correction element, optical pickup and optical disc apparatus: An aberration correction element includes a support substrate, a plurality of piezoelectric elements disposed on the support substrate, each of which is made up of a piezoelectric member and electrodes disposed at the upper and the lower sides of the piezoelectric member, and reflection portion disposed at the upper portion... Agent: Morgan Lewis & Bockius LLP

20080049567 - Optical disc reproducing apparatus: In the first and second light-receiving regions equally divided into two in parallel with the track of the optical disc, the reflected light received from the optical disk is converted into electric signals and fed out by individual light-receiving regions. Then, the light-receiving ratio indicating the ratio of amounts of... Agent: Morgan Lewis & Bockius LLP

20080049566 - Optical pickup device: The optical pickup device according to the present invention includes: a light source which emits light at first, second and third wavelengths; an optical path combining unit which combines vectors of the light at the first, second and third wavelengths which is emitted by the light source, and matches optical... Agent: Greenblum & Bernstein, P.L.C

20080049570 - Minimum deflection acceleration point detection, focus pull-in, and layer jump methods, and optional disc drive capable of performing the methods: Minimum deflection acceleration point detection, focus pull-in, and layer jump methods, and an optical disc drive capable of performing the methods. The method of detecting a minimum deflection acceleration point in an optical disc drive includes rotating a disc loaded in the optical disc drive, detecting a first minimum deflection... Agent: Stein, Mcewen & Bui, LLP

20080049571 - Method and apparatus for compensating periodic signal: An apparatus and a method for compensating periodic signal in an optical disc drive are described. The control apparatus includes an amplitude processing unit, a phase processing unit, and a wave generator. The amplitude processing unit processes the amplitude of the input signal (Sin) based on a reference signal (Sref)... Agent: Madson & Austin

20080049573 - Data recording method and apparatus, recording medium, and data reproducing method and apparatus: Additional information is generated for each of unit recording blocks in a recording medium. The generated additional information is recorded on a first area in the corresponding unit recording block. A piece of file data is recorded on a second area in each of the unit recording blocks. The second... Agent: Louis Woo Law Office Of Louis Woo

20080049574 - Data processor: A data processor writes a data stream, representing video, and management information for playing back the video based on the data stream on at least one storage medium. In the data stream, picture data of respective pictures forming the video and time information, showing presentation times of the respective pictures,... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20080049575 - Record and reproduction apparatus: A record and reproduction apparatus includes: a CPU; a memory; a recording medium control unit configured to read out data from a recording medium; a reproduction buffer configured to temporarily store stream data such as an image and an audio out of the data read by the recording medium control... Agent: Mcdermott Will & Emery LLP

20080049579 - Multilayer optical recording medium: A multilayer recording medium has a three-layered structure for an increased capacity, including an L0 layer, an L1 layer, and an L2 layer in order from the side farthest away from the incident surface of laser light. The recording layers are made of respective recording film materials selected so that... Agent: Oliff & Berridge, PLC

20080049569 - Optical pickup device: In an optical pickup device which is compatible with two light beam having two wavelengths, a beam shaping mirror is arranged which has an incident surface and a reflecting surface that are disposed in non parallel relation, and makes light intensity distribution of the light beam emitted from a light... Agent: Morgan Lewis & Bockius LLP

20080049572 - Spherical aberration correcting device: A spherical aberration correcting device includes liquid crystal, a first transparent electrode and a second transparent electrode. The first transparent electrode works as a common electrode. The second transparent electrode has different electrode patterns for a first region and a second region that surrounds the first region. The electrode pattern... Agent: Morgan Lewis & Bockius LLP

20080049576 - Method and apparatus for establishing manufacturer-specific test writing parameters for writing of writable optical storage media: According to an embodiment, there is provided an optical storage media recording/reproducing apparatus for calibrating an amount of light energy output by the recording/reproducing apparatus during a recording operation, the recording/reproducing apparatus comprising: a reproducing unit to read unique property information from a writable optical disc inserted into the apparatus,... Agent: Birch Stewart Kolasch & Birch

20080049577 - Optical disk device and tilt correction method thereof: There are provided an optical disk device and tilt correction processing method for performing recording/reproduction by rapidly acquiring an optimal tilt correction value for an optical disk having a plurality of recording/reproducing layers. In an optical disk device capable of recording or reproducing information by irradiating a laser beam to... Agent: Townsend And Townsend And Crew, LLP

20080049578 - Information recording medium, information recording device and method, and computer program: An information recording apparatus (300) is for recording record information onto an information recording medium (100) comprising a first recording layer (L0 layer) and a second recording layer (L1 layer) to record therein the record information by irradiating laser light. The information recording apparatus is provided with: a recording device... Agent: Young & Thompson

20080049580 - Optical pickup device: An optical pickup device includes a plurality of light sources for emitting light beams having different wavelengths; an objective lens for focusing the light beams emitted from the light sources on a recording surface of an optical recording medium; and a photo detector for receiving the light beams reflected from... Agent: Morgan Lewis & Bockius LLP

20080049581 - Optical pick-up: An optical pick-up including a first objective lens having a numerical aperture (NA) suitable for a BD, a second objective lens having an NA suitable for an HD-DVD, a light source to emit light beams suitable for the BD and the HD-DVD, a first beam splitter to transmit and reflect... Agent: Stanzione & Kim, LLP

20080049582 - Optical pickup device: An optical pickup device includes a spherical aberration compensating element which can compensate the spherical aberration of a light beam for a BD or a CD, and a phase shift element which can compensate the spherical aberration of a light beam for a DVD. In the spherical aberration compensating element,... Agent: Morgan Lewis & Bockius LLP

20080049584 - Optical pick-up unit: An optical pick-up including a fold mirror having an achromatic quarter-wave plate coating is provided. To allow the thin film coating to efficiently provide the quarter-wave retardation, the optical pick-up is configured such that the polarization of light incident on the fold mirror is at a predetermined angle. According to... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080049583 - Optical pickup device: An optical pickup device for resolving problems with deterioration in the RF signal due to crosstalk from the preformatted structures in optical disks which provide address information, especially the Land Pre-Pit signal in optical disks such as DVD-R and DVD-RW disks with a LPP (Land Pre-Pit) structure. When the ratio... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080049585 - Optical pickup apparatus: An optical pickup apparatus comprising: an objective lens configured to apply a laser beam for recording or reproducing information to a plurality of layers of information recording surfaces selectively, the plurality of layers of information recording surfaces being included in an optical disc mounted on a turn table; and a... Agent: Fish & Richardson P.C.

20080049586 - Optical pickup apparatus and optical information recording/reproducing apparatus: According to one embodiment, an optical pickup apparatus and an optical information recording/reproducing apparatus including an embodiment of the present invention has an objective lens for condensing a laser beam on a recording surface of an information recording medium (an optical disc), a collimator lens for collimating a laser beam... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080049587 - Complex optical element and optical pickup: A complex optical element includes a first optical portion and a second optical portion which are made of materials different from each other. The second optical portion is bonded to an optical functional face of the first optical portion. A concavoconvex face part is formed at the central part of... Agent: Mcdermott Will & Emery LLP

20080049588 - Computer-readable recording medium with physical access control (pac) information thereon and apparatus and methods for forming, recording, and reproducing the computer-readable recording medium: A method for recording information on a computer-readable medium and a computer-readable recording medium having a first area for storing a plurality of access control data in a recording unit, each of the access control data having a data structure to control writing to and/or reading from the computer-readable recording... Agent: Harness, Dickey & Pierce, P.L.C

20080049590 - Devices and methods for writing and reading information: Memory devices and methods of storing information are disclosed. Also disclosed are methods of storing information in multi-bit format and memory devices with information stored in multi-bit format. Further disclosed are methods of reading stored information.... Agent: Rohm And Haas Company Patent Department

20080049589 - High density data storage device and data recording or reproduction method using the same: A high density data storage device and a data recording or reproduction method using the same, which can record or reproduce high density data without contact, thereby preventing data errors due to contact are provided. The high density data storage device uses a recording medium and a probe. The recording... Agent: Sughrue Mion, PLLC

20080049591 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP

20080049592 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP

20080049593 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP

20080049595 - Optical recording medium: An optical recording medium has a five-layer structure including five recording layers, namely an L0 layer, an L1 layer, an L2 layer, an L3 layer, and an L4 layer in this order from a side farthest away from a laser light incident surface. The materials of the respective recording layers... Agent: Oliff & Berridge, PLC

20080049594 - Single-sided double layer disc with improved protective layer and manufacturing method of the same: A single-sided double layer disc comprises a first access layer, a second access layer, a bonding layer, and a protective layer. The first and second access layers are used for allowing a driving device to access the disc. The second access layer includes a second substrate having a second coating... Agent: Pai Patent & Trademark Law Firm

20080043578 - Integrated magneto-optical write/read head: A Method of Manufacturing an Integrated Magneto-Optical Element for use in a Digital Magneto-Optical Signal write/Read Head and an Integrated Magneto-Optical Element Manufactured According to the Method A method of manufacturing an integrated magneto-optical element for use in a digital magneto-optical signal read/write head, in which the manufacturing techniques of... Agent: Philips Intellectual Property & Standards

20080043580 - Recording apparatus and liquid ejecting apparatus: A recording apparatus includes a recording unit that performs recording on a recording medium; a transporting unit disposed upstream of the recording unit and transporting the recording medium downstream; a first guide member and a second guide member disposed facing the first guide member, the first and second guide members... Agent: Workman Nydegger

20080043581 - Optical disc apparatus and focusing method for the same: An optical disc apparatus and a focusing method for the same prevent a focusing start error of an optical pickup when using a ring-shaped lens to handle multiple wavelengths, and allow the optical pickup to start focusing at the correct starting time. To write and/or read data to and/or from... Agent: Stein, Mcewen & Bui, LLP

20080043582 - Optical disc drive and control method thereof: An optical disc drive and a method of controlling the same, capable of receiving or ejecting an optical disc in either direction thereof to easily insert and exchange the optical disc. The optical disc drive includes a main body provided on opposite sides thereof with first and second openings for... Agent: Stanzione & Kim, LLP

20080043587 - Method for buffering data streams read from a storage medium: A method for optimizing a scheduler for an optical pick-up reduces switch times required for seamless video angle switching. The pick-up reads data streams from different files on an optical storage medium, e.g. Blu-Ray disc. Seamless video angle switching requires reading and buffering a new video data stream from another... Agent: Thomson Licensing LLC

20080043593 - Adaptively learning method and apparatus for improving a write strategy: An adaptively learning method and apparatus is used for improving a write strategy for discs of the same type produced by the same manufacturer. When a write action is completed, the previous written data is reproduced for checking the write quality of the written data. If the write quality does... Agent: Kirton And Mcconkie

20080043594 - Data transmission apparatus, data transmission method and recording medium: A data transmission apparatus, comprising: a recording unit for recording data output settings for respective users preliminarily; a communication unit for transmitting to a recipient user target data with the output setting either for a sender user or the recipient user, which is recorded in said recording unit, according to... Agent: Buchanan, Ingersoll & Rooney PC

20080043579 - Optical disk device: In an optical pickup driving mechanism using a stepping motor, a feeding operation of an optical pickup can be stabilized even in a broad operating temperature environment. In executing an optical axis correction feeding operation in response to an amount of lens shift of an objective lens 5 of an... Agent: Ratnerprestia

20080043583 - Method and apparatus for a real time signal integrity oscilloscope: A system, method, and apparatus for obtaining a record of logic level transitions within a signal, and for accurately determining a voltage-time pair exhibited by the signal. To achieve these ends, a front-end device may be mated to a real-time sampling system, such as an oscilloscope. The front-end device effectively... Agent: Merchant & Gould PC

20080043585 - Dubbing device for dubbing data: The present invention is a dubbing device for dubbing data from a portable first recording medium such as a CD-DA (compact disc digital audio) to a second recording medium such as a hard disk drive (HDD), in which dubbing to the second recording medium with a large capacity is automatically... Agent: Frommer Lawrence & Haug

20080043586 - Method of and apparatus for recording data on write-once disc and write-once disc therefor: A method of recording, and an apparatus to record, data on a write-once disc, and the write-once disc used with the method and apparatus. The write-once disc includes a plurality of update areas in which to record a predetermined type of updated information, at least one main access information area... Agent: Stein, Mcewen & Bui, LLP

20080043588 - Recording medium, method of configuring control information thereof, recording and reproducing method using the same, and apparatus thereof: A data structure of a control information for use with a computer-readable recording medium having multiple recording layers. The control information includes first information unit for a first recording layer and second information unit for a second recording layer. The first information unit includes write strategy parameters for a first... Agent: Harness, Dickey & Pierce, P.L.C

20080043589 - Information reproducing apparatus and method: A pit data generation circuit generates a first clock signal synchronized with pit data and a pit synchronization signal from a sum read signal obtained by reading the length of a pit. A division circuit generates a second clock signal by frequency-dividing the first clock signal. The division circuit is... Agent: Morgan Lewis & Bockius LLP

20080043584 - Information recording device and method, and recording control computer program: In an information recording medium including at least a first recording layer (L0 layer) capable of recording information and a second recording layer (L1 layer) capable of recording information, an information recording device (300) records information in a predetermined area (12) of the second recording layer by a laser beam... Agent: Young & Thompson

20080043590 - Recording medium, method of configuring control information thereof, recording and reproducing method using the same, and apparatus thereof: A method of recording data and an apparatus for recording data having a writing/reading unit to read control information and record a main data to a recording medium. The control information including at least one information unit for a specific writing speed and recording layer, wherein the information unit includes... Agent: Harness, Dickey & Pierce, P.L.C

20080043591 - Method of obtaining optimal recording condition with respect to information storage medium having storage layer with optical power control area: 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. Optimal power control areas in odd-numbered and even-numbered information storage layers viewed from a direction in which light is incident upon the information... Agent: Stein, Mcewen & Bui, LLP

20080043592 - Optical information recording method, optical information recording device and optical information recording medium: The present invention provides an optical information recording apparatus and method capable of effectively determining appropriate recording parameters in a short time with favorable efficiency, when recording information onto an optical disk having different information recording conditions and information recording characteristics. An information recording condition or an information recording characteristic... Agent: Hamre, Schumann, Mueller & Larson P.C.

20080043595 - Information recording medium, mastering device, identification information recording device, identification information reproduction device, mastering method, identification information recording method, and identification information reproduction method: Identification information is recorded by irradiating a laser beam to a predetermined area of an information recording medium by securely changing a land to a pit. A pair of land and pit is formed in the predetermined area of the information recording medium. A laser beam is irradiated to this... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080043596 - Objective lens and optical pickup apparatus: The present invention provides an objective lens for use in an optical pickup apparatus for recording and/or reproducing information on an optical information recording medium using holography. The objective lens includes: a plurality of lens groups including three or more lens groups. In the objective lens, a first lens group... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080043597 - Optical recording apparatus, recording method for optical recording medium and optical recording medium: Disclosed herein is an optical recording apparatus which may record post pre-format recording information on an optical recording medium which has a guide portion formed in advance for guiding a light beam and a plurality of address portions for specifying individual positions of the guide portion, which may include position... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080043599 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP

20080043600 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP

20080043601 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP

20080043598 - Probe, recording apparatus, reproducing apparatus, and recording/reproducing apparatus: A probe (100) is provided with: a substrate (110) having a surface facing a medium (20); and a point electrode (120), formed in the substrate, for performing at least one of detection operation of a state of a domain of the medium and change operation of the state of the... Agent: Nixon & Vanderhye, PC

20080043603 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP

20080043602 - Optical information recording medium, its information recording/reproducing method, and information recording/reproducing device: An optical information recording medium includes a substrate, n information recording layers provided on the substrate, and spacer layers, each of which is provided so as to be interposed between the information recording layers, wherein each of (n−1) or more of the information recording layers has a layer number information... Agent: Hamre, Schumann, Mueller & Larson P.C.

20080043604 - Adjustment of regional code information: The adjustment of regional code information in which a first region code and a first nation code associated with the first region code are received from an optical disc. At least one of a broadcasting signal or an IP address are received at an electronic device, such as a DVD... Agent: Fish & Richardson P.C.

20080043605 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP

20080043606 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP

20080043607 - Recording medium with intermittent or alternate wobbled pits and apparatus and methods for forming, recording, and reproducing the recording medium: A recording medium, such as a high-density and/or read-only recording medium, such as BD-ROM, which contains a control ionformation, such as copy protection information, encoded in intermittent or alternate wobbled pits, and to methods and apparatuses for forming, recording, and reproducing data on the recording medium.... Agent: Harness, Dickey & Pierce, P.L.C

20080043608 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP

20080043609 - Information recording medium, information recording apparatus, and computer program: An information recording medium (100) is provided with a plurality of recording layers (L0 layer, L1 layer) to record therein record information, and property information (200) indicating properties of the each recording layer is recorded in each of the plurality of recording layers.... Agent: Young & Thompson

20080037377 - Optical pick-up: [Means of solving the Problem] The optical pickup includes a lens holder that holds an objective lens, focusing coils attached to the lens holder, a yoke to which magnets are attached, and inner yokes disposed opposite to the magnets via the focusing coils, and the optical pickup is structured so... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080037378 - Information recording medium and information recording and reproducing device: The invention provides an information recording medium including highly reliable power calibration areas, as well as an information recording and reproducing device utilizing it. The medium is an information recording medium having a recording layer including a data recordable area 50 for recording user information signals, a lead-in area provided... Agent: Hamre, Schumann, Mueller & Larson P.C.

20080037380 - Optical disk apparatus and servo control method: An optical disk apparatus includes: a light source that emits laser light; an optical section including an objective lens group positioned in close proximity to an optical recording medium to generate near-field light from laser light emitted from the light source; a gap servo section configured to control a gap... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080037383 - Objective-lens driving apparatus and optical pickup and optical recording and reproducing apparatus for using same: The objective-lens driving apparatus is provided with a yoke base, a lens holder provided on the yoke base, the objective lens provided to the center of the upper part of the lens holder, permanent magnets provided to both sides of the lens holder in the tangential direction, wires laid on... Agent: Wolff Law Office, PLLC

20080037384 - Actuator for pickup, pickup device, recording medium drive device, and method of manufacturing actuator for pickup: Provided is an actuator for a pickup, in which end parts of a plurality of suspensions (550A to 550F) of five or more are positioned on a virtual circle (X) formed on a plane by being projected onto the plane including both a focusing direction and a tracking direction. A... Agent: Kratz, Quintos & Hanson, LLP

20080037385 - Objective-lens driving apparatus and optical pickup and optical recording and reproducing apparatus for using same: The objective-lens driving apparatus is provided with a yoke base, a lens holder provided on the yoke base, the objective lens provided to the center of the upper part of the lens holder, permanent magnets provided to both sides of the lens holder in the tangential direction, wires laid on... Agent: Wolff Law Office, PLLC

20080037387 - Optical pickup apparatus and optical recording/reproducing system using the same: An optical pickup apparatus and an optical recording/reproducing system including the same, the optical pickup apparatus includes at least two optical systems for different types of optical recording media, one of objective lenses of the optical systems being offset from a central line of the optical recording medium, wherein the... Agent: Staas & Halsey LLP

20080037389 - Method for determining track searching direction: A method for determining a track searching direction is disclosed. The method takes advantage of the characteristic that the movement of the photo-diode with respect to the optical disk is not perpendicular to the track direction. Therefore, the phase difference between the front side and the rear side of the... Agent: J C Patents, Inc.

20080037394 - Bit synchronization detection means: Detection means for detecting information in a signal, comprising integration means for integrating the signal over time such that the integration means is periodically reset at about the start time reference of a periodic time interval; and a sample&hold circuit for periodically sampling and holding the integrated signal (int) at... Agent: Philips Intellectual Property & Standards

20080037381 - Focus servo appratus: A focus servo apparatus for an optical disc apparatus including an objective lens to converge laser beam on an information recording surface of an optical disc, and an actuator to move the objective lens in a focusing direction crossing the information recording surface, the focus servo apparatus comprising: a retaining... Agent: Fish & Richardson P.C.

20080037379 - Optical disk device and method for generating random number data: An optical disk device includes a signal processing unit which processes a signal output by a pickup head, an amplifying unit which amplifies the signal processed by the signal processing unit, an analog to digital converting unit which converts the signal concerning a white noise amplified by the amplifying unit... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080037382 - Optical recording medium having a control layer: An optical recording medium is disclosed. The optical recording medium includes an optical disk substrate. A control layer is formed on the optical disk substrate. The control layer includes a control track provided with a tracking control signal. A photosensitive material is formed on the control layer capable of forming... Agent: Akin Gump Strauss Hauer & Feld L.L.P.

20080037386 - Optical scanning device: An optical scanning device incorporating a compound objective lens 10 and a radiation detector 31 is described for reading an optical record carrier 1 in which the optical record carrier 1 is provided with a transparent layer 2. The thickness of the transparent layer 2 and the effective radius of... Agent: Philips Intellectual Property & Standards

20080037388 - Optical disc recording and reproduction apparatus having automatic gate signal generation modes: An optical disc recording and reproducing apparatus for recording and reproducing data in and from an optical disc by the use of the optical disc as a recording medium, comprises analog processing means including a binarization unit for subjecting a signal read from the optical disc to binarization and a... Agent: Steptoe & Johnson LLP

20080037390 - Read/write position controller for optical pickup: A controller includes a servo-controller for performing nonlinear and linear control of the read/write position according to an error signal to drive an actuator for driving the pickup; a switch for switching the servo-controller from open-mode to closed-mode according to the error signal; and an adjuster for adjusting the gains... Agent: Sughrue Mion, PLLC

20080037391 - Disk recording/reproducing apparatus and disk recording method: To provide an optical disk recording/reproducing apparatus capable of immediately suspending recording if a recording inadequate state occurs after start of recording, confirming the recording state by using an error-correction-code word unit and restarting recording after identifying the write continuation position. A recording starting section (1) instructs a recording gate/recording... Agent: Katten Muchin Rosenman LLP

20080037393 - Playback signal processing device: In a playback signal processing device for extracting, from an analog playback signal, playback data and a clock synchronized with the playback data, a digital equalizer 2 is disposed outside a clock extraction loop formed by an interpolator 3, a timing recovery circuit 4, and a control circuit 5. The... Agent: Mcdermott Will & Emery LLP

20080037392 - Information recording device, information recording method, and information recording program: An information recording apparatus irradiates a laser light onto an information recording medium such as an optical disc to record data. While recording, the information recording apparatus temporarily stops recording when a predetermined amount of data is recorded, and confirms recording quality. Namely, the apparatus reproduces the recorded data and... Agent: Young & Thompson

20080037395 - Recording medium, optical disk apparatus and writing method: Recording parameters are decided so that the time control information on at least the front edge and the rear edge of a parameter forming a mark of twice size or above of the laser spot diameter focused on the recording medium is substantially proportional to the recording linear velocity. The... Agent: Townsend And Townsend And Crew, LLP

20080037396 - Write-once recording medium preserving data-recording status, method of preserving data-recording status of a write-once recording medium, medium including computer readable code for the same, and recording and/or reproducing apparatus therefor: A method of reproducing a recording medium having finalized recorded data. Data is read from the recording medium and a determination is made whether the recording medium is further recordable based on whether a temporary defect management area includes repetitions of a predetermined value or based on whether another predetermined... Agent: Stein, Mcewen & Bui, LLP

20080037397 - Methods and apparatus for the fixing of holographic media in holographic data storage systems: Holographic data storage systems are fixed after exposure during which data in the form of holograms are stored at locations in the medium (4). Sufficient fixing energy in the form of light or other electromagnetic and thermal radiation is applied to the media (4) either by flooding the media, or... Agent: Kenneth J. Lukacher

20080037398 - Optical scanning device: An optical scanning device for scanning a record carrier (22), the record carrier has an outer face (24) and the optical scanning device comprises a radiation source system (2) arranged to generate a radiation beam; an objective system (20) having an exit face (76) and which is arranged between the... Agent: Philips Intellectual Property & Standards

20080037399 - Optical disk apparatus compatible with different types of mediums adapted for different wavelengths: A polarizing beam splitter for separating an upstream beam from a downstream beam according to the polarization of an incident beam is provided between first and second light sources emitting laser beams at respective wavelength and an objective lens. A phase plate for providing a phase difference to a beam... Agent: Dickstein Shapiro LLP

20080037400 - Recording system comprising a storage layer and an array of microtips: The recording system consists of a recording medium (1) comprising a storage layer (2) which can store information. A data read and/or write device (4) comprises an array of microtips (5) disposed in a common plane facing the storage layer (2). The recording medium (1) comprises at least one first... Agent: Oliff & Berridge, PLC

20080037401 - Information recording medium supply apparatus: An information recording medium supply apparatus comprises: a gravure plate cylinder supported having recessed image areas formed in the circumferential surface thereof; an ink roller for supplying ink from an ink reservoir to the circumferential surface of the gravure plate cylinder; a doctor for removing surplus ink adhering to non-image... Agent: Birch Stewart Kolasch & Birch

20080037403 - Information recording medium, and information recording apparatus and method: An information recording medium is provided with: a recording area divided into a plurality of partial areas; and an information area for recording therein (i) management information for managing recording conditions of the plurality of partial areas at least for each of the plurality of partial areas and (ii) reliability... Agent: Young & Thompson

20080037402 - Manufacturing method of optical disc and optical disc: An optical disc of a desired thickness is formed by adhering a stamper substrate 20 to an L0 layer substrate 10. Concave/convex portions to transfer fine concave/convex portions for an L1 layer are formed on one principal plane of the stamper substrate 20. After the fine concave/convex portions for the... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080037404 - Optical disc recording/reproduction device: An optical disc recording/reproduction device is provided, in which a tracking drive offset amount (21) is given to a tracking drive signal (19), a beam spot position irradiated on a photo-detector (7) is shifted by a servo controller (18), and a CPU (16) detects a divided wobble signal balance being... Agent: Steptoe & Johnson LLP

20080037405 - Disc recording and reproducing apparatus: The present invention achieves a disc recording and reproducing apparatus capable of using an inexpensive disc by loosening the tolerance of track offset of each layer of a multilayer optical disc, and capable of ensuring the reliability of the disc by relieving external forces exerted on the disc at the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080037406 - Optical recording medium: An optical recording medium which comprises a phase-change recording layer utilizing optical constants associated with a reversible-phase-change induced by laser beam irradiation between an amorphous phase and a crystalline phase. The phase-change recording layer comprises Ge, Sb, Sn, Mn, and X. X represents at least one element selected from In,... Agent: Cooper & Dunham, LLP

20080037407 - Method for manufacturing perpendicular magnetic recording medium, perpendicular magnetic recording medium, and magnetic recording/reproducing apparatus: One object of the present invention is to provide a perpendicular magnetic recording medium having a high coercive force by annealing, and in order to achieve the object, the present invention provides a method for manufacturing a perpendicular magnetic recording medium comprising a magnetic recording layer deposited on a non-magnetic... Agent: Sughrue Mion, PLLC

20080037408 - Optical disk device: The present invention includes a frame, an optical pick-up module fixed to the frame and a circuit board forming a control circuit fixed to the frame. The frame has fixing parts to other members.... Agent: Stevens, Davis, Miller & Mosher, LLP

20080031097 - Method and system for automatically locating the optimal controller parameters of optical drive: A method for automatically locating a set of optimal controller parameters for an optical drive includes the steps of generating a plurality sets of numerical values each having a number of the numerical values equal to a number of the controller parameters in the set of optimal controller parameters, driving... Agent: Hdsl

20080031098 - Servo architecture to minimize access time in optical disk drive: An apparatus and method are disclosed to minimize seek time for dual stage actuator from both theoretical and real application viewpoints in optical disk drive application, where 1) a head mounted on a sled is positioned by a sled actuator; 2) A lens is mounted on the head with spring... Agent: Feihong Zhu

20080031102 - Method for maintaining the phase difference of a positioning mirror as a constant with respect to a high speed resonant mirror to generate high quality images: System and method for synchronizing the low speed mirror movement of a mirror display system with incoming frame or video signals, and synchronizing buffered lines of video data to the independently oscillating scanning mirror. According to one embodiment of the invention, the peak portions of the low speed cyclic drive... Agent: Texas Instruments Incorporated

20080031108 - Digital dubbing device: A digital dubbing device that compresses and stores music data for each sound unit includes a music data counter that counts the number of samples of music data when the music data is to be compressed, and detects a music data stream located in the end part of the sound... Agent: Foley And Lardner LLP Suite 500

20080031107 - Optical disk apparatus and a method for compensating recording power of the same: For providing a method for conducting a real-time compensation on the recording power during that verify process, and also for providing an optical disk apparatus for achieving the high-speed recording of information and the high quality, by adopting such the method therein, the method for compensating a recording power of... Agent: Townsend And Townsend And Crew, LLP

20080031109 - Method and apparatus for processing information, method and apparatus for manufacturing information recording medium, information recording medium, and computer program: A method and apparatus for processing information, method and apparatus for manufacturing an information recording medium, an information recording medium, and a computer program are provided. An information processing apparatus for playing back a content recorded on an information recording medium and includes a data transform processor performing a substitution... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080031111 - Verification method and apparatus: A method for verifying whether a recording/reproducing apparatus properly produces disc management information and records the disc management information on a disc includes preparing a test disc; issuing reading commands to a recording/reproducing apparatus to be tested on which the test disc is loaded and verifying the disc in order... Agent: Stein, Mcewen & Bui, LLP

20080031112 - Verification method and apparatus: A method of verifying whether a recording and/or reproducing apparatus that records and/or reproduces a disc having temporary defect management area (TDMA) information properly produces the TDMA information, the method including producing TDMA information produced by performing a recording test according to a series of recording operations based on a... Agent: Stein, Mcewen & Bui, LLP

20080031110 - Recording device and recording method: A recording device, which writes data to a recording medium in which a data area and a middle area are disposed adjacent to each other, includes: an area expanding unit expanding the middle area to reduce the data area; a first writing unit writing data to the reduced data area;... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080031114 - Read circuit of a disk drive system and method of signal processing thereof: A read circuit of a disk drive system that adaptively reduces signal-dependent noise including a sequence detector, a signal-dependent adaptive engine and a signal-dependent post-processor. The sequence detector recovers a data sequence from equalized data. The signal-dependent adaptive engine generates signal-dependent coefficients, a mean value and a standard deviation of... Agent: Stanzione & Kim, LLP

20080031096 - Onboard system and computer for holding data unloading in case of computer stoppage: The invention concerns a system (1) for data unloading comprising a computer (3) on board a motor vehicle provided with a memory support (5) whereon data are to be recorded, and a data storage medium (2), external to the vehicle, from which the data are unloaded. Said system is characterized... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080031099 - Optical pickup and optical disc device: An optical pickup, provided with a first objective lens and a second objective lens, includes a first light source and a polarizing beam splitter, where the first light source emits a laser beam of a predetermined wavelength, and the polarizing beam splitter causes a first polarized beam having a predetermined... Agent: Greer, Burns & Crain

20080031100 - Optical pickup and optical information recording apparatus using the same: An optical pickup includes a diffraction grating partitioned into three areas, in which the phase of periodic grating groove structure in an area is successively shifted from that in the adjacent area by 90°. In the generation of a differential push-pull signal, an amplification factor K for sub push-pull signals... Agent: Mcdermott Will & Emery LLP

20080031101 - Recording method and apparatus for optical disk drive: A recording method for an optical disk drive is implemented as follows. First, at least one of the level of the focusing error signal, the level of the tracking error signal, a wobble synchronization pattern loss, the error rate of demodulating a wobble signal, the frequency of buffer under-run occurrence,... Agent: Connolly Bove Lodge & Hutz LLP

20080031103 - Objective lens, optical pick-up device, and optical disk device: An optical pickup device includes light sources for respectively emitting a plurality of different wavelengths of light, a unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and a focusing unit for focusing the light. The focusing... Agent: Stevens, Davis, Miller & Mosher, LLP

20080031104 - Optical pickup and optical information recording apparatus using the same: An optical pickup includes a diffraction grating partitioned into three areas, in which the phase of periodic grating groove structure in an area is successively shifted from that in the adjacent area by 90°. In the generation of a differential push-pull signal, an amplification factor K for sub push-pull signals... Agent: Mcdermott Will & Emery LLP

20080031105 - Optical pickup and optical information recording apparatus using the same: An optical pickup includes a diffraction grating partitioned into three areas, in which the phase of periodic grating groove structure in an area is successively shifted from that in the adjacent area by 90°. In the generation of a differential push-pull signal, an amplification factor K for sub push-pull signals... Agent: Mcdermott Will & Emery LLP

20080031106 - Optical pickup apparatus: An optical pickup apparatus includes a diffraction grating having a grating constant that is entirely uniform. The duty ratio referred to as L/G duty that is the ratio between a land L and a groove G and defined by the expression UG duty (%)=L/(L+G)×100 is continuously changed in the direction... Agent: Edwards Angell Palmer & Dodge LLP

20080031113 - Optical disc having a plurality of recording layers, and recording method and reproducing method therefor: An optical disc includes a plurality of recording layers, each layer having a lead-in area, a data area, and a lead-out area. A dedicated-reproducing area having a disc-related information zone, and a rewritable area are provided in at least one of the lead-in and lead-out areas of the optical disc.... Agent: Stein, Mcewen & Bui, LLP

20080031116 - Information management method for information recording medium, recording method, and information recording/reproducing apparatus thereby: A recording method of an information recording medium includes: (a) storing management information; (b) reading out the management information; and (c) recording. The information recording medium has two recording layers. A first recording layer is placed nearer to a source of a laser and a recording direction thereof is from... Agent: Foley And Lardner LLP Suite 500

20080031115 - Write-once recording medium preserving data-recording status, method of preserving data-recording status of a write-once recording medium, medium including computer readable code for the same, and recording and/or reproducing apparatus therefor: An apparatus for reproducing a recording medium having a recorded defect management area. The apparatus includes a pickup reading data from a recording medium and a controller controlling the pickup to read data on the recording medium and determining whether the recording medium contains predetermined data, recorded in response to... Agent: Stein, Mcewen & Bui, LLP

20080031118 - Combined hologram optical element, compatible optical pickup and optical information storage medium system employing the same: A hologram optical element, usable in a compatible optical pickup including the hologram optical element and an optical information storage medium system including the compatible optical pickup, is used in combination with an objective lens for a compatible optical pickup used for first and second low-density information storage media using... Agent: Stein, Mcewen & Bui, LLP

20080031117 - Holographic optical accessing system: A holographic optical accessing system includes a light source for emitting a light beam; an optical assembly module for receiving the light beam and generating a signal beam and a reference beam that are parallel to each other rather than overlap with each other, and have the same first polarization... Agent: Wpat, PC

20080031119 - Optical pickup and optical information recording apparatus using the same: An optical pickup includes a diffraction grating partitioned into three areas, in which the phase of periodic grating groove structure in an area is successively shifted from that in the adjacent area by 90°. In the generation of a differential push-pull signal, an amplification factor K for sub push-pull signals... Agent: Mcdermott Will & Emery LLP

20080031120 - Objective lens actuator:

20080031121 - Optical pickup device having a wavelength selecting film and an optical reflector: An optical pickup device has first and second light sources that emit first and second laser beams of different wavelengths, an object lens that concentrates the first and second laser beams on a data recording surface of an optical disk, an optical separator disposed between the first and second light... Agent: Morrison & Foerster LLP

20080031122 - Land pre-pit signal processing method and related apparatus: The invention provides for a method, and related apparatus, of producing a Land Pre-Pit signal during playback of an optical disc and including the steps of obtaining an output signal from an optical detector and from which the Land Pre-Pit signal is to be derived, scaling the said output signal... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080031123 - Embossed type write-once recording medium structure: An embossed type write-once DVD structure comprises a lower substrate, a recording layer, a reflecting layer and an upper substrate. Embossed marks of a specific depth are formed on the lower substrate. The recording layer has a specific refractive index and is formed on the lower substrate. The reflecting layer... Agent: Rosenberg, Klein & Lee

20080031124 - Recording medium, recording apparatus and method, and computer program: A recording medium (100) is provided with: a substrate (120); and a plurality of coloring layers (111) which are laminated on the substrate and each of which presents a predetermined color, at least two adjacent coloring layers are mixed due to a change in temperature caused by irradiation of laser... Agent: Young & Thompson