Dynamic information storage or retrieval inventions 03/07

20070070824 - Thermal-assisted magnetic recording head and magnetic recording apparatus: A thermal-assisted magnetic recording head which heats a magnetic bit of a magnetic disk by light radiation in recording magnetic data into the magnetic disk with a magnetic writing element. The magnetic recording head has a reflecting converging element with a surface emitting laser incorporated therein, and a transparent plate... Agent: Sidley Austin LLP

20070070825 - Optical pick-up apparatus for multi recording/reproducing: An optical pickup apparatus is provided for use in a recording/reproducing apparatus to record/reproduce information on/from recording media having different formats. Such an optical pickup apparatus comprises a dual wavelength laser diode; a hologram module arranged to split a light which is incident to a recording medium into a plurality... Agent: Stein, Mcewen & Bui, LLP

20070070826 - Editing apparatus for optical reproducing device: A reproducing apparatus comprises storage to store a plurality of programs being managed as a group, and management information including group information of programs, an input unit, a reproduction unit, and a controller to control the reproduction unit to reproduce a highlight of a program in a group from a... Agent: Wolf Greenfield & Sacks, PC

20070070827 - Record carrier, device and method of scanning the record carrier: A device for recording information writes and reads marks and spaces which each have a nominal run length. The power of a radiation source is controlled for writing the marks and spaces in accordance with a power pattern in dependence on the run length. The power pattern for a mark... Agent: Philips Intellectual Property & Standards

20070070828 - Recording device, and related control method, computer program and system lsi: A recording device executes unattended recording after suspending dubbing when a preset recording time draws near during the dubbing, and saves dubbing-status information showing the suspension position of the dubbing. The recording device reads the dubbing status information after the end of the unattended recording, and resumes the dubbing from... Agent: Wenderoth, Lind & Ponack L.L.P.

20070070829 - Disk storage device and cache control method for disk storage device: A disk storage device stores write data in a cache area of a data buffer according to a write command from a host, reports write completion to the host, and then writes the write data in the cache area to a storage medium. The disk storage device stores the write... Agent: Greer, Burns & Crain

20070070830 - Recording apparatus and recording method: A recording apparatus and a recording method are provided. Control information is generated by the microcontroller based on the received command. The data preparing unit has a control register and a preparing circuit wherein the control register is used for storing a set of control register values corresponding to the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070070831 - \"electronic device and system for reproducing content\": The electronic device (1) of the invention contains a control unit (5) which is able to receive from a detector (9) a signal indicating insertion of an object (23) into an object holder (21) and/or removal of the object from the object holder (21). The control unit (5) is further... Agent: Philips Intellectual Property & Standards

20070070832 - Secure removable media drive: A drive comprises a computer interface to communicatively couple the drive to a computer and a user-accessible eject switch located on the drive in a location that is physically accessible by a user of the drive when the drive is communicatively coupled to the computer. The driver further comprises an... Agent: Hewlett Packard Company

20070070833 - Interconnecting data storage components: A system is for use in interconnecting data storage components. The system includes first and second data storage components. The first component has first and second communication boards and first and second ports. The second component has third and fourth communication boards and third and fourth ports. A first cable... Agent: Emc Corporation Office Of The General Counsel

20070070835 - Optical disk device: A parameter acquisition unit acquires parameters of a write strategy corresponding to the type of an optical disk upon which data is to be recorded, and a recording unit irradiates pulse modulated laser light upon the optical disk based upon the parameters of the write strategy acquired by the parameter... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070070836 - Optical disk device: A drive stoppage command unit commands a drive unit to stop driving a pickup head, and an objective lens of a pickup head, when it has decided that the power supply voltage of operating power which is being supplied by a first power supply unit to a servo control unit... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070070834 - Signal processing method and signal processing apparatus: A signal processing apparatus is provided with a converter for converting at least one analog light detection signal into a digital light detection signal, and a signal generator for generating at least one servo error signal by subjecting the digital light detection signal to a predetermined operation process. The signal... Agent: Dickstein Shapiro LLP

20070070837 - Disc drive apparatus: A method is described for controlling an optical disc drive apparatus (1) of a type comprising: scanning means (30) for scanning a record track of an optical disc (2), said scanning means (30) comprising at least one read/write element (34) to be positioned with respect to the disc (2), and... Agent: Philips Intellectual Property & Standards

20070070839 - Block code error correcting system and method: A block code error correcting system is used in a compact disk reading system to increase the decoding capability of the compact disk reading system. The system includes a data slicer, a data bit to channel bit modulation pulse width determinator, a demodulator, an erase address detector and an error... Agent: Bacon & Thomas, PLLC

20070070838 - Optical disk recording and reproducing apparatus for recording and reproducing data in and from optical disk: An optical disk recording and reproducing apparatus includes a focus unit that focuses an irradiation light beam on an optical disk having data recording layers and tracks; a drive unit that changes a direction of the beam by moving the focus unit; a tilt control unit that detects a tilt... Agent: Amin, Turocy & Calvin, LLP

20070070840 - Recording apparatus for optical data: A recording apparatus for optical data includes a photo detection IC for producing a plurality of phase signals; a plurality of sample/hold (S/H) circuits electrically connected to the photo detection IC; a plurality of limiter circuits electrically connected to the photo detection IC; a channel signal generator connected to the... Agent: Birch Stewart Kolasch & Birch

20070070841 - Facilitating focusing of a multi-function digital media drive: A method of facilitating focusing of a multi-function digital media drive, is such as to generate two or more error signals each indicative of a focus of an energy beam by an optical arrangement onto first and second different recording layers of a digital medium in the drive, the first... Agent: Hewlett Packard Company

20070070842 - Recording and/or reproducing method, recording and/or reproducing apparatus, and computer readable recording medium storing program for performing the method: A recording and/or reproducing method, a recording and/or reproducing apparatus, and a computer readable recording medium storing a program for performing the method. A recording unit block in which invalid data is partially padded is written on an information storage medium along with padding information indicating that the invalid data... Agent: Stein, Mcewen & Bui, LLP

20070070843 - Optical recording medium, recording/reproduction apparatus, recording method, and recording/reproduction method: An optical recording medium provided with one or a plurality of recording layers includes an adjustment data recording area for recording therein adjustment data used for adjusting focus or spherical aberration of laser light used for recording/reproduction, the adjustment data recording area being disposed at a predetermined position on each... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070070844 - Optical disk apparatus and a method for controlling overwrite operation thereof: For controlling overwrite operation within an optical disk apparatus, for enabling the overwrite operation while rotationally driving a re-writable type optical disk at a predetermined speed, determination is made on whether information recorded on the re-writable type optical disk 12 is recorded by the apparatus itself or not, when conducting... Agent: Townsend And Townsend And Crew, LLP

20070070845 - Automatic write strategy calibration method for optical drive: A write strategy calibration system for an optical media playback device comprises memory for storing a write strategy table. A control module generates a write signal to write a training pattern to an optical storage medium according to calibration data stored in the write strategy table. A write strategy analysis... Agent: Harness, Dickey & Pierce P.L.C

20070070846 - Method and apparatus for recording and reproducing signal on and from optical information recording medium: Test signals are recorded on a prescribed area in an optical disc. The prescribed area is scanned by a laser beam while the power of the laser beam is changed among different DC erasing values. The different DC erasing values are assigned to the recorded test signals, respectively. The recorded... Agent: Louis Woo Law Office Of Louis Woo

20070070847 - Marking of a data medium material for information intended for reproduction: A method of identifying a mechanically readable medium is described. The medium, for instance a gramophone record, a magnetic tape or a celluloid film, contains information which is contained in a continuous sequence on the medium and is intended for optical or acoustic reproduction. A sequence of markings which individualizes... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070070848 - Disc drive system and methods for use with bio-discs: An optical disc drive for reading encoded information, such as on a CD, CD-R, or DVD, is modified to read biological or chemical investigational features from a disc. The modifications can include software changes or the addition of hardware desirably without the need to modify the disc drive electronics.... Agent: Knobbe Martens Olson & Bear LLP

20070070849 - Optical disk discriminating method and optical disk apparatus utilizing the same therein: Within an optical disk apparatus for recording or reproducing information onto/from an optical disk 1, by irradiating one three (3) laser beams upon information recording surface RS thereof, each having wavelength different from each other, selectively, through a 3-wavelengths compatible objective lens 31, according to a method for discriminating a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070070850 - Optical disk drive: The optical disk drive of the present invention can read data from multiple types of optical disks and includes: a motor for spinning a given optical disk; at least one light source for radiating light beams with multiple different wavelengths; at least one lens for converging each light beam onto... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20070070851 - Method and device for controlling beginning point of optical pick-up unit: A method and device are provided for controlling movement of an optical pick-up unit. The method includes a) moving the optical pick-up unit toward a target position of an optical disc; b) while the optical pick-up unit is in motion, detecting a load voltage of a driver for moving the... Agent: Birch Stewart Kolasch & Birch

20070070852 - Magnetic recording apparatus and positioning correction method: A magnetic recording apparatus includes a composite magnetic head which includes a recording head and a reproducing head; a magnetic storage medium; a discrete area; and a correction information recording area. Positioning correction information is able to be written in the correction information recording area at each track center. The... Agent: Amin, Turocy & Calvin, LLP

20070070854 - High-density disk recording medium and apparatus and method of reproducing data recorded therein: The present invention relates to a recording medium such as a CD or a DVD in which data is recorded in high-density, and method and apparatus for reproducing data recorded in the high-density recording medium. According to an embodiment, the data reproducing method according to the present invention converts a... Agent: Birch Stewart Kolasch & Birch

20070070853 - Information recording method, information recording apparatus and information recording medium: An information recording method capable of properly forming a width of a central portion of a recording mark, an information recording apparatus and an information recording medium are provided. The present invention includes the steps of generating a pulse train including a first pulse and a second pulse and forming... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20070070855 - Data recording method and data recording equipment: A frequency characteristics compensation method that can be applied to various waveforms (strategies). When determining the amount of frequency compensation, a deteriorated part by frequency characteristics is compensated for with respect to the difference between the pulse power to be compensated and the power level immediately before it. The present... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070070857 - Method and apparatus for accessing an optical storage medium: A method for duplicating a second data recorded in a source storage medium to a target optical storage medium, wherein a first area of the target optical storage medium is recorded with a first data, the method includes: identifying the target optical storage medium as a blank optical storage medium... Agent: North America Intellectual Property Corporation

20070070856 - Mp3 accessory for music transfer from a cd: An MP3 transfer accessory for transferring music from a CD to an MP3 player: The MP3 transfer accessory includes a portable housing having a CD receiving station for receiving therein a CD to be uploaded to an MP3 player. The CD receiving station includes a CD reader for reading the... Agent: Ezra Sutton P.A.

20070070858 - Method and apparatus for recording and reproducing signal on and from optical disc: User data is recorded on a data area in first one of recording layers in a rewritable optical disc through the use of a laser beam having a power changing among different values including a first erasing power value. Test signals are recorded and reproduced on and from a section... Agent: Louis Woo Law Office Of Louis Woo

20070070859 - Optical elements and combiner optical systems and image-display units comprising same: Light-propagating optical elements are disclosed that have an internal-reflection and a see-through feature not damaged even if a member higher in refractive index than the surrounding medium is brought into in close contact with the surface thereof. An optical element includes a substrate having an interior in which a specified... Agent: Klarquist Sparkman, LLP

20070070861 - Objective lens and optical pickup apparatus: An objective lens according to the present invention is provided for use in an optical pickup apparatus at least reproducing and/or recording information using a light flux with a wavelength λ1 emitted by a first light source for a first optical disc and reproducing and/or recording information using a light... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070070860 - Optical disc drive and objective lens for the same: There is provided an optical disc drive for recordation/reproduction for three types of optical discs by selectively using one of three types of light beams. The optical disc drive comprises an objective lens. The objective lens has a step structure which gives an optical path length difference to an incident... Agent: Greenblum & Bernstein, P.L.C

20070070862 - Optical disc recording/reproducing apparatus: After OPC is executed on a DVD+RW, a value of an OPC counter assigned to a DCB of the DVD+RW is read and then temporarily saved in a memory, and then the temporarily saved value is incremented by +1. If an optical disc eject request is received, the value of... Agent: Morgan Lewis & Bockius LLP

20070070863 - System and method for reducing rf emissions associated with an optical drive laser diode hfm signal: An optical drive laser diode drive current has a High Frequency Modulation (HFM) signal superimposed to aid optical medium readability. The HFM signal is provided by an HFM oscillator interfaced with the laser diode drive current to provide the HFM signal with a frequency from within a predetermined range. A... Agent: Hamilton & Terrile, LLP

20070070864 - Method and related apparatus for generating fixed packets while writing data to cds: Method and related apparatus for generating fixed packets while writing data into CDs. The present invention records a total-block number of a write-in data with a counter, and a waiting-coding number with another counter, so as to generate fixed packets efficiently and correctly, and prevent buffer under run when writing... Agent: The Law Offices Of Andrew D. Fortney, Ph.d., P.C.

20070070865 - Digital partial response asymmetry compensation: The present invention relates to a method for receiving and restoring data from an optical recording medium exhibiting strong asymmetry in the regenerated RF signal. According to the invention a method for digital partial response asymmetry compensation of a digital RF signal comprises the steps of: —detecting the asymmetry β... Agent: Thomson Licensing Inc.

20070070866 - Duty ratio control apparatus for pre-pit detection or header detection of an optical storage medium: A pre-pit signal generating device includes: a first slicer for generating a sliced signal corresponding to a push-pull signal based on a first reference level; a duty ratio controller coupled to the first slicer for adjusting the first reference level or the push-pull signal to control a duty ratio of... Agent: North America Intellectual Property Corporation

20070070868 - Fluid mediated disk activation and deactivation mechanisms: Embodiments of methods and systems for controlling access to information stored on memory or data storage devices are disclosed. In various embodiments, fluid-mediated modification of information or access to information is utilized. According to various embodiments, data storage devices designed for rotating access are described which include rotation-activated fluid control... Agent: Searete LLC Clarence T. Tegreene

20070070867 - Rfid security device for optical disc: An optical disc has a security feature in the form of an RFID tag that communicates with a voltage controlled optical modifier layer in the optical disc. In the presence of an interrogation signal, the RFID tag allows the optical disc to be used normally by outputting a voltage to... Agent: Christensen O'connor Johnson Kindness PLLC

20070070869 - Magnetic disk apparatus suppressing adjacent track influence: A magnetic disk apparatus is configured such that a physical track number is converted into an absolute track number by making a track pitch in an absolute track area formed by a given magnetic head wider by a given amount than a track pitch in a corresponding absolute track area... Agent: Greer, Burns & Crain

20070070870 - Servo pattern having reduced noise due to speed variations in linear data storage media: A set of servo patterns on two or more servo tracks, at least one of which is adjacent to a data track, is described. One or more servo patterns in the set are inverted copies of one or more upright servo patterns in a different servo track. Using this set... Agent: Attention: Eric D. Levinson Imation Corp.

20070070871 - Optical disk, optical disk recording method and optical disk apparatus: A signal can be detected based on a level slice system and detection delay time can be reduced by setting the recording density of a header field in a linear direction lower (coarse) than that of a user data recording field. Further, a signal can be detected based on the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070070872 - Optical disk, optical disk recording method and optical disk apparatus: A signal can be detected based on a level slice system and detection delay time can be reduced by setting the recording density of a header field in a linear direction lower (coarse) than that of a user data recording field. Further, a signal can be detected based on the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070070873 - Optical disk, optical disk recording method and optical disk apparatus: A signal can be detected based on a level slice system and detection delay time can be reduced by setting the recording density of a header field in a linear direction lower (coarse) than that of a user data recording field. Further, a signal can be detected based on the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070070874 - Recording apparatus and method for recording information on a record carrier in the form of contiguous pit-marks: A recording apparatus for recording channel symbols of a channel data stream on a record carrier (50), said apparatus being adapted for recording said channel symbols as a channel band (cb) of at least two symbol rows (sr) one-dimensionally evolving along a first direction (t) and aligned with each other... Agent: Philips Intellectual Property & Standards

20070070875 - Recording method for dye-based recordable optical recording medium, recording medium, and recording apparatus using the same: A recording method for a dye-based recordable optical recording medium including recording shortest marks on a recording layer containing a dye formed on a substrate having a guide groove using one pulse beam, and recording second shortest marks or still longer marks at a pulse power as high as or... Agent: Cooper & Dunham, LLP

20070064543 - Magnetic field control method, storage apparatus, computer-readable storage medium, read retry method and learning method: A magnetic field control method increases or decreases a reproducing magnetic field intensity that is applied to an optical recording medium by a reference offset value in a read retry, and corrects the reference offset value so that the reproducing magnetic field intensity that is actually applied to the optical... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd.

20070064544 - Near-field light generating device: There is provided a near-field light generating device which is capable of generating near-field light with a higher light intensity by use of a simpler configuration and which comprises a light source, a near-field light generating element having a fine opening of a size which is not more than a... Agent: Fitzpatrick Cella Harper & Scinto

20070064545 - Storage medium with separate image and data tracks: A data storage medium such as an optical disc with separate image and data tracks, and a method and apparatus for forming the same. The medium has a user data storage area with a data track to store user data, and a non-user data image track to store human readable... Agent: Fellers, Snider, Blankenship, Bailey & Tippens

20070064547 - Optical disc recorder: In an optical disk recorder (1), when a user instruct to format an optical disc (2), a main control unit 3 reads out file management data from a file management data area of the optical disc (2), and writes the read file management data at a specific area of the... Agent: Crowell & Moring LLP Intellectual Property Group

20070064548 - Methods for optical disc sector verification: A method for verifying sectors on an optical disc is provided. The method includes writing user data to unverified sectors of the optical disc and verifying the sectors of the optical disc with the user data. The sectors of the optical disc are verified by reading the user data on... Agent: Martine Penilla & Gencarella, LLP

20070064549 - Information recording and reproducing device suppressing erasure of data when power interruption occurs during data recording: In a record operation mode, a nonvolatile memory stores a record end address. In a restoring operation mode, the record end address stored in the nonvolatile memory is read, and a record end address in an FDCB is read and is compared with the record end address read from the... Agent: Osha Liang L.L.P.

20070064546 - Optical disc system and method for controlling the same: An optical disc system including a plurality of decks and a method for controlling the optical disc system are provided for managing pieces of title information recorded on discs respectively loaded in the decks in an integrated manner. The control method includes reading pieces of title information of optical discs... Agent: Stein, Mcewen & Bui, LLP

20070064550 - Multi-disc player testing apparatus and method: A multi-disc player testing apparatus for testing whether the multi-disc player satisfies the specific requirements is provided. The multi-disc player includes a carousel having multiple disc-accommodating areas and a disc-positioning sensor. The carousel defines a plurality of indicating slots for identifying each disc-accommodating area. The disc-positioning sensor scans the indicating... Agent: North America Intellectual Property Corporation

20070064552 - Information recording and reproduction method and information recording and reproduction device: The focus offset FE0 corresponding to minimum jitter is learned in advance. When performing spherical aberration adjustment for each disk, the spherical aberration is adjusted so that the jitter reaches a minimum, while maintaining the focus offset at FE0. The invention provides a method for performing high-precision adjustment of the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070064551 - Optical disc apparatus: An optical disc apparatus includes a withdrawal means for moving an objective lens (32) to a position distant from an optical disc (1) during an inactive duration of intermittent recording or reproducing operation. A means for regulating or fixing the objective lens (32) at the position distant from the optical... Agent: Wenderoth, Lind & Ponack L.L.P.

20070064553 - Method and device for reading angular multiplexed pits: The present invention relates to a method and a device for reading angular multiplexed pits from optical recording media 8, and to an apparatus for reading from optical recording media using such method or device. According to the invention, a method for detecting a rotation angle of an angular rotated... Agent: Thomson Licensing Inc.

20070064554 - Optical disk drive and method of determining working distance: An optical disk drive and method of determining working distance are provided. The optical disk drive includes an optical pick-up head having an objective lens to access an optical disk. Working distance is the distance between the optical disk and the objective lens. Firstly, the optical pick-up head emits a... Agent: Birch Stewart Kolasch & Birch

20070064555 - Optical recording system and method thereof: An optical recording system and a control method thereof. The method includes detecting a target signal level. If the change level of the target signal exceeds a tolerant range, it represents that a shock has occurred. The shock frequency is recorded according to the shock, and the tolerant range is... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070064556 - Recording apparatus: A recording apparatus comprises a first recording medium and a second recording medium. The first recording medium stores compressed-selected resources among code data in a compressed state. The compressed-selected resources are used in relation to usage modes. The second recording medium temporarily stores an uncompressed-selected resource that is obtained from... Agent: Greenblum & Bernstein, P.L.C

20070064557 - Distributed copying method and system: A method for copying data onto a plurality of hard drive partitions first determines the total size of the source files, which may be on an optical disc or other device. The available space on one or more hard drive partitions is determined and totaled. If the total available storage... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070064558 - Optical disk apparatus and a control method thereof: In an optical disk apparatus, for reproducing information recorded on a recording surface of an optical disk, by setting such a focus condition that a tracking servo-error level comes to be maximum with a reflection light from the recording surface, while irradiating a light beam of a semiconductor laser, within... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070064559 - Disk apparatus: In a disk apparatus, an RF signal composed of an analog signal on information data read out from a DVD-RAM by an optical pickup is converted to a digital signal, a phase difference of the RF signal on the information data converted to the digital signal is detected to output... Agent: Osha Liang L.L.P.

20070064560 - Information recording device and method, and computer program: An information recording device comprising a recording unit that records recording information by applying a laser beam to an information recording medium having a first recording layer for recording recording information by being irradiated with a laser beam and a second recording layer for recording recording information by irradiating with... Agent: Young & Thompson

20070064561 - Optical recording/playback apparatus and method for adjusting playback parameters thereof: An optical recording/playback apparatus and a method for adjusting playback parameters of the optical recording/playback apparatus are disclosed. The method includes loading an optical disc, determining whether there is data recorded on a data zone of the optical disc, recording test data on an optimal power control (OPC) zone on... Agent: Stein, Mcewen & Bui, LLP

20070064562 - Apparatus and method for reproducing audio file: A method of reproducing an audio file includes: identifying a type of audio data in the audio file based on an extension information of the audio file separated from but associated with the audio data of the audio file; and determining whether the audio file is reproducible by checking whether... Agent: Birch Stewart Kolasch & Birch

20070064563 - Apparatus and method for reproducing audio file: A method of reproducing an audio file includes: determining whether the audio file is reproducible by checking whether a part of the audio file constructs a specific format stream corresponding to a predetermined audio type; and controlling for selectively reproducing only audio files reproducible based on a result of the... Agent: Birch Stewart Kolasch & Birch

20070064564 - Apparatus and method for reproducing audio file: A method of reproducing an audio file includes: applying a reproducing mode established based on an attribute information; obtaining at least a part of the audio file under the established reproducing mode; and determining whether the audio file is reproducible under the established reproducing mode by checking whether the part... Agent: Birch Stewart Kolasch & Birch

20070064565 - Method for reproducing audio file: A method of reproducing an audio file includes: reading an extension information of the audio file, the extension information of the audio file being separated but associated with audio data of the audio file; establishing a reproducing mode for reproducing the audio file based on the extension information; obtaining at... Agent: Birch Stewart Kolasch & Birch

20070064566 - Signal process device and method for obtaining wobble signal: A signal process device and method is provided to obtain a wobble signal from a set of retrieved signals. The signal process device comprises: an RF amplifier, band-pass filter, and a feedback control module. The RF amplifier generates a mix signal by synthesizing the set of retrieved signals reflected from... Agent: The Law Offices Of Andrew D. Fortney, Ph.d., P.C.

20070064567 - Method of recording erase pattern information on an optical recording medium, erasing information on the optical recording medium based on the erase pattern information, and optical recording medium therefor: An optical recording medium allowing data to be recorded on, erased from, and reproduced from, and storing information about power levels of an erase pulse. The recorded erase pattern information may include information about power levels of first and last pulses of an erase pattern for erasing data. The first... Agent: Stein, Mcewen & Bui, LLP

20070064568 - Method and apparatus for recording information on optical recording medium: A method for recording information on an optical recording medium in which a laser beam modulated into one or a plurality of write pulses with one or a plurality of write powers in accordance with target data to be written is projected onto a recording layer of the optical recording... Agent: Oliff & Berridge, PLC

20070064569 - Information storage medium, information recording apparatus, and information reproduction apparatus: An information storage medium according to an embodiment of this invention has an area for storing predetermined data modulated according to the (d, k; m, n) modulation rule. The predetermined data includes at least one SYNC code in a predetermined recording unit, and the number of “1”s included in a... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070064570 - Information storage medium, information recording apparatus, and information reproduction apparatus: An information storage medium according to an embodiment of this invention has an area for storing predetermined data modulated according to the (d, k; m, n) modulation rule. The predetermined data includes at least one SYNC code in a predetermined recording unit, and the number of “1”s included in a... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070064571 - Information storage medium, information recording apparatus, and information reproduction apparatus: An information storage medium according to an embodiment of this invention has an area for storing predetermined data modulated according to the (d, k; m, n) modulation rule. The predetermined data includes at least one SYNC code in a predetermined recording unit, and the number of “1”s included in a... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070064572 - Optical data encoding and detection: A method of recording information comprising combining three degrees of freedom of pit geometry and layout along the track, the three degrees of freedom comprising: using several pit lengths for run-length timing encoding: using several pit shapes to influence the collected light intensity level; and using several pit planar orientations... Agent: Simon Kahn C/o Landonip, Inc

20070064574 - Semiconductor laser apparatus, optical pick-up and optical information apparatus: A transmission diffraction grating body including a base material being substantially transparent with respect to wavelength λ1 and having a refractive index n0; another base material being substantially transparent with respect to wavelength λ1 and having a refractive index n1, which is formed on the base material having a refractive... Agent: Hamre, Schumann, Mueller & Larson P.C.

20070064573 - Optical head unit and optical disc apparatus: According to one embodiment, a diffraction pattern of a diffraction element, or a hologram polarization element, to guide a reflected laser beam divided into a predetermined number to a photodetector is combined preferably as one unit, in order to provide an optical head unit and an optical disc apparatus, which... Agent: Knobbe Martens Olson & Bear LLP

20070064575 - Objective optical system and optical pickup apparatus: An objective optical system according to the present invention is provided for use in an optical pickup apparatus for recording and/or reproducing information on an information recording surface of a first optical information recording medium and a second optical information recording medium using a first light flux emitted from a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070064576 - Optical pickup device and optical disk drive using the same: An optical pickup device includes a light source unit an optical system which leads a return light beam to a predetermined light-receiving location and includes an object lens focusing each light beam from the light source unit to a recording surface of a corresponding storage medium and a photodetector arranged... Agent: Dickstein Shapiro LLP

20070064577 - Information recording/reproducing apparatus and a data reproducing method thereof, as well as an optical disk thereof: A data reproducing method for reproducing data, upon an optical disk of rewritable type, having an alternated block management area, a data area, on which recording/reproducing of the information is conducted by a unit of block, and an alternation area, on which recording/reproducing of information including a defective sector therein... Agent: Townsend And Townsend And Crew, LLP

20070064578 - Photosensitive recording medium, and recording and reproducing apparatus for same: A photosensitive recording medium comprising a substrate in a shape of disc having a center hole in a center part, and a holographic recording layer made from a photosensitive material, said photosensitive recording medium including a clamp area provided near an edge of said center hole and extending over 360... Agent: Sughrue-265550

20070064580 - Information storage medium, information recording apparatus, and information reproduction apparatus: An information storage medium according to an embodiment of this invention has an area for storing predetermined data modulated according to the (d, k; m, n) modulation rule. The predetermined data includes at least one SYNC code in a predetermined recording unit, and the number of “1”s included in a... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070064581 - Information storage medium, information recording apparatus, and information reproduction apparatus: An information storage medium according to an embodiment of this invention has an area for storing predetermined data modulated according to the (d, k; m, n) modulation rule. The predetermined data includes at least one SYNC code in a predetermined recording unit, and the number of “l”s included in a... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070064582 - Information storage medium, information recording apparatus, and information reproduction apparatus: An information storage medium according to an embodiment of this invention has an area for storing predetermined data modulated according to the (d, k; m, n) modulation rule. The predetermined data includes at least one SYNC code in a predetermined recording unit, and the number of “1”s included in a... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070064583 - Information storage medium, information recording apparatus, and information reproduction apparatus: An information storage medium according to an embodiment of this invention has an area for storing predetermined data modulated according to the (d, k; m, n) modulation rule. The predetermined data includes at least one SYNC code in a predetermined recording unit, and the number of “1”s included in a... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070064584 - Information storage medium, information recording apparatus, and information reproduction apparatus: An information storage medium according to an embodiment of this invention has an area for storing predetermined data modulated according to the (d, k; m, n) modulation rule. The predetermined data includes at least one SYNC code in a predetermined recording unit, and the number of “1”s included in a... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070064579 - Recordable dvd structure: A structure of a recordable DVD disc is disclosed that permits a second session to be recorded and accessed by DVD players that do not recognize multisession media and utilize the ISO 9660 file structure by modifying the value of the Location of Extent within the Directory Record of the... Agent: Pamela R. Crocker Patent Legal Staff

20070064585 - Optical recording medium: An optical recording medium is provided which includes a plurality of recording layers and provides any of the recording layers with a good recording mark. An optical recording medium includes a first recording layer and a second recording layer, in which the second recording layer located relatively closer to an... Agent: Oliff & Berridge, PLC

20070058494 - Magneto-optical recording medium having a transfer control layer: A magneto-optical recording medium, including a recording layer, a transfer control layer magnetically coupled to the recording layer, and a reproduction layer. The recording layer includes a recording magnetic domain in which information is recorded by a magnetization direction vertical to the surface of the film. The reproduction layer includes... Agent: Ratnerprestia

20070058495 - Information storage medium on which drive data is recorded, and method of recording informaion on the information storage medium: An information storage medium includes a drive zone having a plurality of physical clusters or ECC blocks. When new drive data is recorded in the drive zone, the new drive data is recorded in a physical cluster or ECC block next to the physical cluster or ECC block containing the... Agent: Stein, Mcewen & Bui, LLP

20070058496 - Information storage medium on which drive data is recorded, and method of recording information on the information storage medium: An information storage medium includes a drive zone having a plurality of physical clusters or ECC blocks. When new drive data is recorded in the drive zone, the new drive data is recorded in a physical cluster or ECC block next to the physical cluster or ECC block containing the... Agent: Stein, Mcewen & Bui, LLP

20070058497 - Optical disc recorder: Before erasure of data, an optical head (6) reads file management data which manages user data from a file management data area “A” of an optical disk (2). A control unit (3) drives an optical head (6) to write the information into a specific area on the optical disc (2)... Agent: Crowell & Moring LLP Intellectual Property Group

20070058498 - Optical disc recorder: Before erasure of data, an optical head (6) reads file management data which manages user data from a file management data area “A” of an optical disk (2). A control unit (3) writes the information to a hard disc drive apparatus (10) and/or RAM (9) to save the file management... Agent: Crowell & Moring LLP Intellectual Property Group

20070058499 - Audio player: When underflow of a sub-Q data table occurs, a sub-Q data processing section does not read and output sub-Q data but outputs only audio data. Moreover, to achieve consistency between audio data and the sub-Q data in terms of buffer management, an input processing section includes respective counters for managing... Agent: Mcdermott Will & Emery LLP

20070058500 - Disk drive system employing effective disk surface stabilization mechanism: A stabilization part stabilizes surface vibration of a flexible optical disk along a rotation axis direction of the optical disk by means of pressure difference of air flow created according to Bernoulli's law at a portion on which information writing/reading is performed, provided on a side of the optical disk... Agent: Dickstein Shapiro LLP

20070058501 - Optical pickup and adjustment method: This optical pickup has a nonvolatile memory from which data can be electronically read out, and stores as data the difference between the spherical aberration when the readout signal jitter reaches a minimum, and the spherical aberration when the tracking error signal amplitude reaches a maximum. The positioning of an... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070058502 - Servo system and related method of adjusting the magnitude of detecting signals outputted from a pick-up head before utilizing the detecting signals to generate servo signals: A servo system of an optical storage device and related method for generating a servo signal. The servo system includes a pick-up head for detecting signals reflected from an optical disc to generate a plurality of detecting signals; a gain stage coupled to the pick-up head for determining a gain... Agent: North America Intellectual Property Corporation

20070058504 - Information storage medium and method of recording/reproducing the same: An information storage medium has user data areas and additional data areas, and sync patterns to distinguish the additional data areas from the user data areas. The information storage medium includes a user data area in which user data is recorded and an additional data area located in at least... Agent: Stein, Mcewen & Bui, LLP

20070058503 - Information storage medium, recording method, reproducing method, and reproducing apparatus: An information layer 0 comprises a system lead-in area, data lead-in area, data area, and middle area, an information layer 1 comprises a system lead-out area, data lead-out area, data area, and middle area, an end position of the data area of layer 1 is positioned outer than a start... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070058505 - Data retrieval systems: Embodiments of methods and systems for controlling access to information stored on memory or data storage devices are disclosed. In various embodiments, methods of retrieving information from a data storage device previously deactivated by modification or degradation of at least a portion of the data storage device are disclosed.... Agent: Searete LLC Clarence T. Tegreene

20070058507 - Apparatus and method for controlling a recording light signal: A light source for use with an optical disc is controlled by comparing current operational characteristics of the light source to previous operational characteristics and obtaining optimized voltages for each stage of a writing signal when the current operational characteristics differ from the previous operational characteristics by a predetermined amount.... Agent: Lee & Morse, P.C.

20070058508 - Apparatus and method for controlling a recording light signal: A method and apparatus for controlling a light source for use with an optical disc having optimum power values for different stages in a writing signal for the optical disc, includes comparing current operational characteristics of the light source to previous operational characteristics, and, when the current operational characteristics differ... Agent: Lee & Morse, P.C.

20070058506 - Apparatus for controlling erasing power level and method using the same: An apparatus for controlling an erasing power level, which is capable of optimally setting a power level applied to a disc when erasing a test period in an OPC (Optimum Power Control) area of the disc, and a method using the apparatus. The apparatus includes: a pickup unit irradiating light... Agent: Stein, Mcewen & Bui, LLP

20070058509 - Optical disc device: In a conventional method for preventing a collision between a lens and an optical disc which uses a control system similar to the servo control of the optical disc, it is feared that, when there is no need to apply the servo, the collision prevention method may not perform its... Agent: Townsend And Townsend And Crew, LLP

20070058510 - Optical disk apparatus and method of controlling optical disk apparatus: An optical disk apparatus includes a rotary driving unit rotating an optical disk which is flexible, an optical pickup irradiating light upon a recording surface of the optical disk on which writing/reading of information is performed, a stabilizing unit stabilizing vibration of the optical disk in a rotary axial direction... Agent: Dickstein Shapiro LLP

20070058511 - Optical disk recording and reproducing device: A system controller of an optical disk recording and reproducing device writes test data in a test writable area of a loaded optical disk if it is an unused disk and calculates a maximum amplitude value of an RF signal at an inner radius. Then, it calculates the maximum amplitude... Agent: Morgan Lewis & Bockius LLP

20070058512 - Method and device for playing optical discs and method for determining tracking quality: A method for reading data from a track (3) of a data carrier (2) comprises the following steps. During reading, a tracking quality parameter (Q) is determined, relating to a track portion (3Px) of the data carrier from which the data is being read. The tracking quality parameter is stored... Agent: Philips Intellectual Property & Standards

20070058513 - Optical disk device: An optical disk device includes a BE control means which issues a request for recording of data upon an optical disk. Furthermore, this optical disk device includes an FE processing means which, upon receipt of the recording request from the BE control means, irradiates laser light from a pickup head... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070058515 - Information storage medium and method of recording/reproducing the same: A method of recording information on and/or reproducing information from an information storage medium that includes a user data area in which user data is recorded and which has first sync patterns and an additional data area located in at least one of areas before and after the user data... Agent: Stein, Mcewen & Bui, LLP

20070058514 - Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus: A recording medium comprising a recording area, the recording area includes a first area and a second area, the first area includes a frame area, the frame area includes an area in which a second synchronization code sequence and at least a portion of data are to be recorded, and... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20070058516 - Information recording medium and optical disc apparatus: An embodiment of the invention, an information recording medium has a first recording layer, a second recording layer which is provided with respect to the first recording layer through a first space layer with a first thickness, a third recording layer which is provided with respect to the second recording... Agent: Knobbe Martens Olson & Bear LLP

20070058517 - Method and apparatus for directly writing multimedia data on digital device: A method and apparatus for directly writing multimedia data onto a digital device are provided. The method includes sensing multimedia data written on a storage medium; displaying a user interface screen to display the multimedia data and a folder for a digital device; receiving a command to write the multimedia... Agent: Sughrue Mion, PLLC

20070058518 - Imformation recording medium and method for manufacturing the same: In an optical disk in which a recording layer is selected by applying voltages, a different address pit is formed in each recording layer. To this end, a plurality of recording layers are formed in a way that the plurality of recording layers follow a concavo-convex shape formed in a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070058519 - Recordable optical disc: A recordable optical disc (1, 1′, 1″, 100) comprises at least one user data area (12) for storing user data, and at least one controlling data area (6, 8, 10, 11) for storing controlling data necessary for accessing stored user data and/or for recording user data into a user data... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070058520 - Recordable optical disc: A recordable optical disc (1, 1′, 1″, 20, 20′) comprises at least one user data area (7, 12, 24, 30) for storing user data, and at least one controlling data area (10, 11, 14, t4) for storing controlling data necessary for accessing stored user data and/or for recording user data... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070053242 - Creation method and conversion method of charged particle beam writing data, and writing method of charged particle beam: A creation method of charged particle beam writing data for writing a pattern using a charged particle beam based on design data of circuits includes creating, based on the design data, a location data file including location data, as part of the writing data, the location data being defined for... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.c.

20070053243 - Data storage device container: A method of storing a data storage device includes but is not limited to emplacing a data storage device in a container, the container having surfaces; and writing storable data to the data storage device by transmitting energy through a surface of the container. In addition to the foregoing, other... Agent: Searete Llc

20070053244 - Method and recording apparatus for recording information on a multi-layer disc: The invention relates to a method and apparatus for recording information on a multi-layer record carrier, especially a dual layer disc. By recording control information in a control information zone (311,312,321,322) before recording user information after a layer jump, it is ensured that all user information can be read and... Agent: Philips Intellectual Property & Standards

20070053245 - Information carrier and apparatus: The invention relates to an information carrier 10 comprising a main channel and an auxiliary channel carrying position information 21, according to which some of the least significant bits of the position information 21 are made available as local-position information 22 at a higher rate than the whole position information... Agent: Philips Intellectual Property & Standards

20070053248 - 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

20070053249 - 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

20070053246 - Recording/reproducing apparatus, and associated content display control method: The invention provides a recording/reproducing, including a display control performed such that when a reproduction mode is a shuffle reproduction mode, a predetermined number of pieces of selection candidate information of a plurality of pieces of selection candidate information are displayed on a display portion so as to be sequentially... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.c.

20070053247 - Reproduction apparatus, reproduction method and reproduction program: A reproduction apparatus includes: a storage part which stores a plurality of items of contents data; reproduction means for reproducing contents in any one of reproduction modes including a normal reproduction mode that reads the contents data stored in the storage part in a predetermined order for reproduction, and a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.c.

20070053250 - Removable laser disc mass storage device with onboard fast access memory: This invention is a mass storage system based on laser disc technology. While there are various laser discs players available, they are all aimed at serving an audio/visual entertainment purpose with no consideration given to the ability of this type of media to service the vast amount of data created... Agent: Albert T. Wu

20070053251 - Defect area management: A multi-layer optical writable disc (D) comprises at least two layers (L1, L2, . . . ) and at least two defect management areas (DF1, DF2, . . . ). A first defect management area (DF1) is positioned on a first layer (L1) of the at least two layers at... Agent: Philips Intellectual Property & Standards

20070053252 - Self-aware and self-healing computing system: Autonomic computing systems are self-aware and self-healing. Microstates of components of a system are organized into macrostates, and the macrostates are organized into meta-dynamic states (MDS's). When the system is perturbed, it is determined whether the system enters a given undesirable MDS. Where the system will enter an undesirable MDS,... Agent: Ibm Corporation

20070053253 - Apparatus and method for determining type of an optical disk: An apparatus and a method for determining the type of an optical disk are provided. Firstly, an RF signal of the optical disk in an optical disk drive is read out. Next, a bandpass signal is extracted from the RF signal by a bandpass filter whose central frequency is a... Agent: Birch Stewart Kolasch & Birch

20070053254 - Method for decoding address in pre-groove data of an optical disc drive: A method for optical drive decoding of address in pre-groove (ADIP) data is provided to decode an input wobble signal to an ADIP unit signal. The method includes generating a wobble carrier frequency signal having the same phase with the wobble signal, multiplying the wobble carrier frequency signal by the... Agent: North America Intellectual Property Corporation

20070053255 - Optical pickup apparatus: An optical pickup apparatus having first and second light sources emitting first and second light fluxes having wavelength of λ1 and λ2, respectively, an light-converging optical system including first and second objective optical elements, and a lens holder to hold the first and second objective optical elements. When the optical... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070053256 - Method and device for adjusting an amplification for producing a focus error signal: In drives for optical storage media, a focus error signal generated by means of weighted addition from main beam and secondary beam focus error signals always contains an undesired component of the track error signal whenever the weighting factors are not exactly tuned to the optical and mechanical properties of... Agent: Joseph S Tripoli Patent Operations

20070053257 - Method of controlling optical disc device: In an optical disc device according to the present invention, a vibration detecting band of a vibration detector for detecting variations in the optical disc device is set to a band capable of selectively detecting the vibration generated in the optical disc device when it is detected that an optical... Agent: Mcdermott Will & Emery LLP

20070053258 - Disc drive with improved resistance against mechanical shocks: A disc drive apparatus (1) comprises; a) actuator means (50) for controlling the positioning of an element (34) of a scanning means; b) error signal calculating means (111, 112) for receiving a read signal (SR) and generating at least one error (RES; e(k)); c) a state estimator (120) for receiving... Agent: Philips Intellectual Property & Standards

20070053260 - Defeat of the copy protection of optical discs: DVDs can be copy protected by incorporating regions which contain unreadable or subversive data within the data area (42). For example, such a region may be configured as a cell of a video object (VOB) (50) within a VOB file (51). Access to the region of subversive data is prevented... Agent: Patent Department Macrovision Corporation

20070053261 - Asynchronous crosstalk cancellation: A device for delivering a data signal at a data rate has crosstalk cancellation. The crosstalk reducing unit (14) has an adaptive filter (15) to generate a crosstalk signal corresponding to a track adjacent to a track being scanned. A subtractor (16) subtracts the crosstalk signal from a read signal.... Agent: Philips Intellectual Property & Standards

20070053262 - Optical disk device and integrated circuit used therein: This invention involves irradiating an optical disk with laser light, pulse-driven by a high-frequency signal from an HF oscillator, and converting the output of a photo-detector that receives laser light reflected from the optical disk into an electronic pulse readout signal using a current amplifier. The pulse readout signal is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070053263 - Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus: A recording medium comprising a recording area, the recording area includes a first area and a second area, the first area includes a frame area, the frame area includes an area in which a second synchronization code sequence and at least a portion of data are to be recorded, and... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20070053259 - Write strategy directory and method for maintaining the same: A write strategy directory is stored in an optical recorder to provide optimum write strategies for the optical recorder to write optical discs according to characteristic values of the optical discs, respectively. The write strategy directory includes a fixed write strategy table recording therein first characteristic values of a first... Agent: Kirton And Mcconkie

20070053265 - Laser power control apparatus for optical disk player: The optical disk player is capable of writing data with optimum laser power corresponding to temperature. In the optical disk player, a laser diode irradiates a laser beam. A photo sensor detects light intensity of a reflected beam reflected from an optical disk. A processor controls laser power of the... Agent: Birch Stewart Kolasch & Birch

20070053264 - Method for controlling recording power of optical disc apparatus: A method for controlling the recording power of an optical disc apparatus. The method can search for an optimum recording power using a starting power stored in a recordable high density optical disc based on a manufacturer thereof, and perform recording operations with the optimum recording power while the start... Agent: Stein, Mcewen & Bui, LLP

20070053266 - Device and method for reading multilayer optical disk: m

20070053267 - Method for formatting an optical disc: A device for recording information writes marks in a track on a record carrier of a re-writable type. The device records the information according to a predefined recording format like DVD for constituting a recording area containing user data preceded by a lead-in zone. The device has a formatting unit... Agent: Philips Intellectual Property & Standards

20070053268 - Techniques and graphical user interfaces for categorical shuffle: Improved techniques and graphical user interfaces that enable users to shuffle a group of media items in accordance with categories associated with the media items are disclosed. According to one aspect, techniques can operate to categorically shuffle media items having categories associated therewith. According to another aspect, a user interface... Agent: Beyer Weaver & Thomas, LLP

20070053269 - Method for correcting write strategy data of an optical disc and optical disc drive using the same: A method for correcting write strategy data of an optical disc may include setting initial values, measuring and storing the width of a generated write enable signal, and calculating an offset correction value. The initial values may include a data write rate, a number of write strategy data, a maximum... Agent: Lee & Morse, P.c.

20070053270 - Optical pickup device recording and/or reproducing information on and/or from a plurality of kinds of recording media: An optical pickup device has a semiconductor laser emitting light which is in turn branched via a diffraction grating into at least three beams of light including a main beam and two sub beams which are in turn condensed via an objective lens on an optical disk at a guide... Agent: Edwards & Angell, LLP

20070053271 - Optical element, and optical pickup: An optical element having an optical multi-layer coating which can function as a phase plate without using quartz crystal or an optical film. The optical multi-layer coating is deposited on a plane which is set up on the optical element by way of a perpendicularly intersecting plane located on perpendicularly... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.c.

20070053272 - Optical pickup: An optical pickup includes a hologram element. The hologram element is provided with a hologram pattern including a splitting section for focus which splits light used for the detection of an FES and a splitting section for tracking which splits light used for the detection of a TES. The splitting... Agent: Edwards & Angell, LLP

20070053273 - Optical pickup device and optical disk apparatus: An optical pickup device includes: a light source; a light receiving sensor, having main tracking light detection faces and sub-tracking light detection faces; and a hologram, having tracking areas that are divided into main tracking areas and sub-tracking areas along division lines in the tangential direction. In the hologram, each... Agent: Stevens, Davis, Miller & Mosher, LLP

20070053274 - Compatible optical pickup and optical recording and/or reproducing apparatus employing the same: An optical pickup and an optical recording and/or reproducing apparatus include a light source which emits light having a first wavelength, an objective lens that focuses incident light on an information storage medium and is optimized for a first information storage medium of a predetermined standard, a polarization changer which... Agent: Stein, Mcewen & Bui, LLP

20070053275 - Optical system for collimating elliptical light beam and optical device using the same: An optical system (20) for efficiently collimating an elliptical light beam includes a light source (21), a first lens (22), and a second lens (23). The light source is adapted for providing an elliptical light beam defining different diverging angles in different directions, wherein any cross-section of the elliptical light... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070053276 - Optics for double-sided media: An optical system for writing on a double-sided medium is disclosed. A beam source is configured to generate a light beam in a first direction relative to a first side of the medium. A steering mechanism is able to direct the light beam in a second direction substantially along the... Agent: Hewlett Packard Company

20070053277 - Apparatus and method for controlling recording signals: An apparatus and method for controlling a recording signal are provided. The apparatus may include a light generator generating light used to write information to an optical disk, a light amount compensator setting a voltage level of the recording signal as a second level when the write operation is performed... Agent: Harness, Dickey & Pierce, P.L.C

20070053278 - Method and apparatus for calculating a metric indicating the symmetry of a signal waveform: A method for calculating a metric indicating a symmetry of a signal waveform includes inverting the signal waveform to produce an inverted signal waveform; measuring a first set of peak, bottom, and average values corresponding to the signal waveform by detecting a peak value of the signal waveform, detecting a... Agent: North America Intellectual Property Corporation

20070053279 - Multilayer fluorescent optical disc with photosensitive fluorescent material: A multilayer optical memory of WORM (write-once-read-many) type has photosensitive layers with fluorescent reading. The disc contains a transparent substrate and multiple information layers spatially divided from one another by polymer layers and assembled using adhesive layers. Information is stored in a photosensitive substance within spiral grooves. The photosensitive substance... Agent: Winston & Strawn LLP Patent Department

20070047394 - Method and apparatus for testing a dual layer dvddisk: A method and apparatus for testing a dual layer DVD+R disk are disclosed. The disk includes a first recording area and a second recording area. First, read data distribution of the disk from the first recording area. Next, determine if the disk is blank, and if the disk is blank,... Agent: Rabin & Berdo, PC

20070047395 - Optical disk shred operation with detection: Data protection and security is provided by incorporating a data shredding operation which renders data previously stored on storage media unrecoverable. In the shredding operation of the present invention, certain overhead portions of a data storage sector remain unchanged, while the data area is overwritten with a predetermined pattern. By... Agent: Oppenheimer Wolff & Donnelly LLP

20070047396 - Record medium, recording method for record medium, output controlling method, reproducing apparatus, record and reproduction controlling method, recording method, record and reproduction method, and recording and/or reproducing method: A recording method for embedding in a record medium many types of management information corresponding to many types of record media as additional information added to content data that is recorded on the record medium, performing a first encoding process for the content data to which the additional information has... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070047397 - Reproducing apparatus, reproducing method, and reproducing program: A reproducing apparatus includes a storage unit having a plurality of content data stored therein, a reproducing unit reading out the content data stored in the storage unit and reproducing the read content data, and a driving unit driving a predetermined driven unit according to the content of the content... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070047398 - Recording apparatus and recording method: A recording apparatus for performing recording on a data-rewritable recording medium having at least one recording layer includes a recorder configured to record data on the recording layer; and a controller configured to control the recorder so that dummy data is recorded in an order opposite to the order in... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070047393 - Method of storing rotating media data in image file: A method and system are disclosed for retrieving data from rotating media such as an optical disk, and storing that data in an image file or files which contain not only the data but also physical information about the media, including the angular location of each data sector along the... Agent: John Alexander Galbreath

20070047399 - Information retrieval device: An information retrieval device having an insertion slot for inserting a medium having data to be retrieved includes an input unit for sending a signal upon accepting an input, an eject unit for ejecting the medium in the insertion slot and a control unit for controlling the eject unit upon... Agent: Posz Law Group, PLC

20070047400 - Method and apparatus for optimization of data pulse detection slice level: A method and apparatus for calibrating the slice level of a pulse detector monitors the quality of the detected pulse signal to determine and optimize slice level. The method practiced may include two parts, including a coarse stage and a fine stage. The method practiced may further include... Agent: Lowrie, Lando & Anastasi

20070047401 - Optical system for collimating elliptical light beam and optical device using the same: An optical system (20) for efficiently collimating an elliptical light beam includes a light source (21), a first lens (22), a second lens (23), and a third lens (24). The light source is adapted for providing an elliptical light beam defining different diverging angles in different directions, wherein any cross-section... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070047402 - Track-jump control device and method thereof: The invention relates to a track-jump control device, and in particular, to a track-jump control device for determining track-jump timing in an optical disc drive. A track-jump control device of a PUH comprises an L/G position indicator, a header alignment controller, and a jump controller. The L/G position indicator calculates... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070047403 - Method of laser spot location and adjustment thereof: This invention relates to a method of determining the location of a plurality of laser spots, comprising: determining a first distance of a first laser spot; determining a second distance of the first laser spot; determining a first distance of a second laser spot; determining a second distance of the... Agent: Hewlett Packard Company

20070047406 - Optical disk apparatus: An optical disk apparatus includes a carriage actuator that drives the carriage with a two-phase stepping motor. The carriage is provided with an objective lens that condenses a laser beam onto an optical disk and a lens actuator that moves the objective lens. A system controller drives the two-phase stepping... Agent: Patrick G. Burns Greer, Burns & Crain, Ltd.

20070047404 - Auxiliary method for track seeking in an optical drive: An auxiliary track seeking method includes detecting a deviation signal corresponding to a positional difference between a fine actuator and a coarse actuator; judging a track seek direction; determining if the deviation signal is greater than a deviation threshold value; detecting whether a number of times of applying a voltage... Agent: North America Intellectual Property Corporation

20070047405 - Disc-driving apparatus and method for controlling the same: A disc-driving apparatus has an optical pickup including an objective lens. The objective lens has an optical axis that is met on a line excluding a central axis of revolution of a disc. The apparatus has storage device that stores plural correction values obtained by detecting fluctuations in amplitude of... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070047409 - Data recording system and control method thereof: A data recording control method for an optical recording system is provided. The optical recording system includes a host and an optical recording device. The method first provides a set of preferences about a write strategy learning at the host. Then, at the optical recording device, the method performs the... Agent: The Law Offices Of Andrew D. Fortney, Ph.d., P.C.

20070047408 - Method and apparatus for laser control during recording: The invention relates to recording on a medium, and in particular, to laser control during recording data on an optical medium. A laser control method for dynamically adjusting laser power during recording data onto an optical disc comprises: recording normal data onto the optical disc according to an initial laser... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070047407 - System and method for writing power control during recording: A recording system is provided, improving laser control when writing data on an optical recording medium. A data buffer stores data to be recorded, wherein the data is divided into first and second data units in response to a trigger signal, wherein the first data unit is followed by the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070047410 - Methods for reducing startup time of optical disc drive and apparatuses thereof: An optical disc drive with reduced startup time. The optical disc drive includes an instruction-receiving interface, a type-discriminating unit, and a controller. The instruction-receiving interface receives a user instruction from a user, wherein the user instruction indicates the type of an optical disc loaded into the optical disc drive. The... Agent: North America Intellectual Property Corporation

20070047411 - Method and system for verifying media compliance: The present invention provides a method and system that is operable to detect whether optical media has appropriate identification and authentication information. Depending on whether such information is present on the media, appropriate messages are generated for the user and the write strategy for transferring data to the media is... Agent: Hamilton & Terrile, LLP

20070047412 - Jitter measuring method and device thereof: The present invention provides a jitter measuring device. The device includes an edge position measuring unit and a jitter calculation unit. The edge position measuring unit receives a serial digital signal and a reference clock and measures edge position for each transition of the serial digital signal according to the... Agent: North America Intellectual Property Corporation

20070047413 - Method and apparatus for decoding encoded data around a discontinued area on an optical storage medium: A method for decoding encoded data around a specific area on an optical storage medium, wherein the specific area has discontinued data. The method includes: detecting at least one type of sync patterns within the encoded data; determining an offset value corresponding to the specific area according to the detected... Agent: North America Intellectual Property Corporation

20070047415 - Dynamic write strategy modification method and apparatus: The invention relates to write strategy modification, and in particular, to dynamic write strategy modification. A dynamic write strategy modification apparatus comprises a measurement module, a write strategy development module, and a write laser module. The measurement module measures a plurality of different parameters. The write strategy development module calculates... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070047416 - Pulse generator, optical disk writer and tuner: A pulse generator is provided for generating pulses with a selectable variable width and/or delay. The pulse generator comprises an oscillator and a selecting arrangement for selecting how many of a first group of delay elements are connected in series for delaying the oscillator signal. Identical delay elements are connected... Agent: Patterson & Sheridan, L.L.P.

20070047414 - System and method for optimizing write strategy parameters using two-stage adjustment: A method for optimizing write parameters using two-stage adjustment is provided. A first kind of write strategy parameters optimization procedure for adjusting at least one static write strategy parameter of a write strategy is performed. A second kind of write strategy parameters optimization procedure for adjusting at least one dynamic... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070047417 - System and method for optimizing write strategy parameters by adopting different adjustment procedures according to quality indices: A method for optimizing write strategy parameters by adopting different adjustment procedures according to quality indices is provided. A quality index representing a reproduction result corresponding to a write strategy is acquired. One adjustment procedure is determined from multiple adjustment procedures according to the acquired quality index. The determined adjustment... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070047418 - Recording/reproducing head, recording/reproducing apparatus, recording method, and reproducing method: A recording/reproducing head includes a laminated body facing to a recording medium, the body including a first conductive layer, a first insulating layer and a second conductive layer which are sequentially stacked. The first conductive layer generates electrons and injects the electrons into the recording medium through the first insulating... Agent: Nixon & Vanderhye, PC

20070047420 - Optical information recording medium, optical information recording method and optical information reproducing method: The present invention provides an optical recording medium, which contains a substrate; and a recording layer disposed on the substrate, wherein the recording layer is subjected to recording of information using holography, wherein the recording layer contains a gas generating substance encapsulated in minute receptacles, and wherein the gas generating... Agent: Sughrue Mion, PLLC

20070047419 - Optical recording method, optical recording apparatus, optical recording medium, and optical reproducing method: There are provided: an optical recording method containing a deviation detecting step, a horizontal location controlling step, and an interference image recording step; an optical recording apparatus containing a derivation detecting unit, a horizontal location controlling unit, and an interference image recording unit; an optical recording medium recorded in accordance... Agent: Sughrue Mion, PLLC

20070047421 - Optical recording method, optical recording apparatus, optical recording medium, and optical reproducing method: There are provided: an optical recording method containing a focus point controlling step, and an interference image recording step; an optical recording apparatus containing a focus point controlling unit, and an interference image recording unit; an optical recording medium recorded in accordance with the optical recording method; and an optical... Agent: Sughrue Mion, PLLC

20070047422 - Compatible optical pickup and an optical recording and/or reproducing apparatus employing a compatible optical pickup: A compatible optical pickup including an active compensation device to actively switch an angle of incidence of the light on the objective lens when either a third information storage medium that has a different format than that of the first and second information storage media, or the second information storage... Agent: Stein, Mcewen & Bui, LLP

20070047424 - Objective lens unit, its manufacturing method and optical pick-up apparatus: An integral type objective lens unit which has the first lens part used for the first wavelength light, and the second lens part used for the second wavelength light whose wavelength is different from the first wavelength, and in which the first lens part and the second lens part are... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070047425 - Objective lens, optical head, optical system, and design method for objective lens: An objective lens of this embodiment is used in an optical head in which a distance between a DVD laser and a CD laser is fixed. The objective lens focuses a laser beam emitted from the DVD laser on a DVD by a numerical aperture of 0.60, and focuses a... Agent: Oliff & Berridge, PLC

20070047423 - Optical disk apparatus with protection member for objective lens: A protection member for preventing the contact of an objective lens with an optical disk is a thin plate member composed of an elastic material softer than a cover layer of the optical disk and has a plurality of convex-shaped parts formed on a surface thereof, which is opposed to... Agent: Fitzpatrick Cella Harper & Scinto

20070047426 - Optical disc drive: In a recordable data storage medium on which property data was recorded after having been modulated and on which data that is decodable by a cryptographic key to be generated from the property data was recorded, the property data was preferably modulated by a different method from that applied to... Agent: Akin Gump Strauss Hauer & Feld L.L.P.

20070047427 - Storage device and operating method therefor: A storage device including a storage medium for storing data in the form of marks in multiple tracks aligned along track center lines, at least one read transducer for writing and reading said data stored in said storage medium, and an actuator for moving said storage medium relative to said... Agent: Anne Vachon Dougherty

20070047428 - On-vehicle device: An on-vehicle device with a storage unit that includes a transfer unit that transfers data stored in the storage unit to another on-vehicle device of equal capability that is also equipped with a storage unit. In the on-vehicle device, the transfer unit is configured by a data transfer jack provided... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070047429 - 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

20070047430 - Optical recording medium having a plurality of recording layers: A phase-change disk has first and second disk sections each including a recording layer and a reflective layer. The first disk section includes a transmission-factor control film including first through third dielectric layers having refractive indexes of n1, n2 and n3, where n1>n2<n3, for improving the transmission factor of the... Agent: Sughrue Mion, PLLC