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Dynamic information storage or retrieval January recently filed with US Patent Office 01/10

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
01/28/2010 > patent applications in patent subcategories.

20100020650 - Recording apparatus: The recording medium includes a data area and a spare area. The data area is composed of one or more unit areas each having an address assigned thereto. A recording apparatus includes: a processing section for designating an address of a unit area within the data area; and a control... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20100020651 - Optical disk reproduction apparatus and optical disk reproduction method: Deterioration of error rate at reproduction time is prevented even if a photodetector with a poor characteristic is included. An optical pickup unit (3) is provided with 4 photodetectors. A controller (13) obtains an error correction result of a reproduced signal, which is reproduced based on an RF signal generated... Agent: Mcginn Intellectual Property Law Group, PLLC

20100020652 - Write-once optical disc, and method and apparatus for recording/reproducing management information on/from optical disc: A write-once optical disc and a method and apparatus for recording management information on the optical disc are provided. The optical disc includes at least one recording layer and a plurality of temporary defect management areas (TDMAs) on the at least one recording layer. At least one of the TDMAs... Agent: Birch Stewart Kolasch & Birch

20100020654 - Method and apparatus for data buffer control of optical disc player: An optical disc player for playback of a multimedia file stored in an optical disc is disclosed. The optical disc player includes a front-end loader and a back-end playback engine. The front-end loader, including a first data buffer, reads data from the optical disc and stores the read data in... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20100020655 - Write-once optical disc, and method and apparatus for recording/reproducing management information on/from optical disc: A write-once optical disc and a method and apparatus for recording management information on the optical disc are provided. The optical disc includes at least one recording layer and a plurality of temporary defect management areas (TDMAs) on the at least one recording layer. At least one of the TDMAs... Agent: Birch Stewart Kolasch & Birch

20100020657 - Information storage medium and method and apparatus for recording and/or reproducing pointing information: An information storage medium includes areas of disk-related information having disk-related information to record or reproduce data with respect to the information storage medium, wherein the disk-related information includes common disk-related information and changeable parameter information, and the areas of the disk-related information are arranged according to information about the... Agent: Stein Mcewen, LLP

20100020656 - Method and device for sensitivity compensation: Method and device for generating a control voltage for a position actuator of a disk drive system for displacing a lens of a pick-up unit to a given X-position. The actuator is operated by an open loop control system. First, parameters of the control system are calibrated so that the... Agent: Philips Intellectual Property & Standards

20100020658 - Control device, control method, program, and recording medium: A control device includes n optical pickups, n being an integer greater than one; a dividing unit configured to divide one block into n pieces of data, the one block being a predetermined amount of data; and a control unit configured to control the n optical pickups to record the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100020653 - Optical disc apparatus and method for recording information using the same: This invention provides an optical disc apparatus constructed to discriminate a disc ID of an optical disc on which information is to be recorded, then derive, from a strategy pre-registered in the optical disc apparatus, test-recording repetition count information that matches the discriminated disc ID, and after using the derived... Agent: Townsend And Townsend And Crew, LLP

20100020660 - Information recording apparatus and method, computer program, and recording medium: An information recording apparatus (1) comprises a recording means (11) for recording a data pattern on a recording medium (100), a reading means (11) for reading the data pattern to acquire a read signal, adding means (23, 24) for adding an offset signal to the read signal to acquire an... Agent: Young & Thompson

20100020659 - Method and apparatus for preventing data reproducibility: Provided are a method and an apparatus to prevent reproducibility of data with respect to an optical information storage medium. The method includes recording patterns with respect to the optical information storage medium using irradiated light so as prevent reproduction of the data. The patterns may cause an error or... Agent: North Star Intellectual Property Law, PC

20100020661 - Information recording apparatus and method, computer program, and recording medium: a measuring device (19) for measuring jitter of the equalization-corrected signal or the read signal; a detecting device (20) for detecting the data pattern of the equalization-corrected signal; and an adjusting device (21) for adjusting a recording condition such that the jitter satisfies a desired condition, with reference to the... Agent: Young & Thompson

20100020662 - Automatic unthread to secure tape from sticking to the head: A system and method for automatically unthreading a tape. The system and method determine whether the drive being at the stop state could cause the tape sticking condition in future after a defined dwell time (e.g., 20 minutes). The tape sticking tends to increase with time and humidity. Moreover, it... Agent: Hamilton & Terrile, LLP IBM Tucson

20100020663 - Method for radial tracking in an optical disc drive: A distinction is made between on the one hand a situation where the track being followed is empty and on the other hand a situation where the track being followed is written. In case the track being followed is empty, a DTD tracking error signal is derived from the wobble-induced... Agent: Philips Intellectual Property & Standards

20100020665 - Method and device for recording marks representing data in an information layer of an optical record carrier: The present invention relates to a method of recording marks representing data in an information layer of a record carrier by irradiating the information layer by means of a pulsed radiation beam, each mark being written by a sequence of pulses, the recorded marks being erasable by irradiating the information... Agent: Philips Intellectual Property & Standards

20100020664 - Recording strategy adjusting method and optical disc recording/reproducing device: A recording strategy for specifying an output waveform of a laser beam to be applied to a recording layer of an information recording medium is adjusted by the following recording strategy adjusting method. The recording strategy adjusting method includes a base strategy determining step of determining a basic recording strategy;... Agent: Young & Thompson

20100020666 - High efficiency and high throughput cascade scrub wash machine for rigid magnetic recording media: A disk cleaning scrub module comprising a scrub lane and a plurality of brushes that rotates and scrub washes a plurality of disks having a diameter D in the scrub lane, wherein a disk-to-disk center distance for scrub wash of the plurality of the disks is S and a ratio... Agent: Shumaker & Sieffert, P.A.

20100020667 - Information processing apparatus, information processing method, and program: An information processing apparatus includes: recording means for recoding contents; and transfer means for determining recording media at transfer destinations of respective contents recorded in the recording means among recoding media in recording devices linked via a network by comparing information about contents to be transferred with information about contents... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100020668 - Recordable optical recording medium and recording method thereof: Provided is a recordable optical recording medium that comprises a substrate, a recording layer, and a reflective layer, wherein the recording layer and the reflective layer are formed on the substrate, the recording layer is formed of an inorganic material, and information is recorded on the recordable optical recording medium... Agent: Cooper & Dunham, LLP

20100020669 - Method for holographic data retrieval by quadrature homodyne detection: Systems and methods are provided for recovering data in a holographic memory system. One embodiment of these systems and methods uses homodyne detection to introduce a local oscillator beam into a reconstructed data beam of the recovered hologram. An image of the combined beam comprising the reconstructed data beam and... Agent: Vedder Price, PC

20100020670 - Optical pickup device, optical disc device, and diffraction grating: An optical pickup device and an optical recording/reproduction device are provided that can suppress a tracking error signal offset generated in the boundary between an unrecorded area and a recorded area. A three-beam diffraction grating is divided into two areas. A division line that divides the diffraction grating into two... Agent: Antonelli, Terry, Stout & Kraus, LLP

20100020671 - Phase correction element and optical head device: The phase correction element 100 of present invention comprises a first phase correction layer 10A formed in a region of numerical aperture NA2, and a first phase plate 30A integrally formed; the first phase correction layer 10A comprising a concavo-convex portion having a rotational symmetry with respect to the optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100020672 - Objective lens and optical information recording/reproducing apparatus having the same: e

20100020673 - Rotary control device for manipulating digital audio signals: The disclosure relates to control and audio manipulation of a digital audio signal by a user manipulable rotary control. The disclosure is specifically applicable to manipulation of a digital audio signal by disc jockeys (DJs). A magnet and corresponding sensor are used to obtain rotational state information from the turning... Agent: Day Pitney LLP

01/21/2010 > patent applications in patent subcategories.

20100014390 - Position sensitive rotatable dj control device: The disclosure relates to a display for a device for manipulating audio in a disc jockey or similar application. A touch sensitive user rotatable member detects the position where the DJ touches the surface. Effects like needle dropping are possible for the first time without the use of a phonographic... Agent: Day Pitney LLP

20100014391 - Scalable integrated high-density optical data/media storage delivery system: An apparatus and system for recording, playing, handling, and storing a plurality of media disks in a plurality of configurations and a device for moving any disk into and out of a media disk storage mechanism and into or out of a selected media player/recorder on demand, and a controller... Agent: Winstead PC

20100014392 - Disk changer device and disk holding method: A disk changer device including a disk changer mechanism having a drive that can reproduce a disk, a holding mechanism including at least two holding sections, where each of the holding sections can hold the disk, and a picker configured to transfer a disk inserted into the drive to any... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20100014393 - High-density recording medium and recording and/or reproducing device therefor: A high-density recording medium including a first surface and a second surface, the second surface being a light incident surface at a normal mounting condition, a clamping area, an information area including a recording layer provided adjacent to the second surface, a transition area extending between the clamping area and... Agent: Birch Stewart Kolasch & Birch

20100014396 - Drive apparatus, drive method, program, and recording medium: A drive apparatus includes n optical pickups, n control units, each controlling a corresponding one of the n optical pickups, and a communication unit that allows the n control units to communicate with one another.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100014395 - Information recording medium, information recording apparatus and method, and computer program: An information recording medium such as DVD-R, DVD-RW or the like is provided with: an user information recording area in which user information can be recorded. The user information recording area has a pre-recorded area for preventing recording/reproduction of the user information, in an edge portion corresponding to a recording... Agent: Young & Thompson

20100014397 - Optical disc driving device: An optical disc driving device includes a control circuit 4 for performing a gain adjustment for each of two recording surfaces of a multilayered optical disc 1 on the basis of an FE signal in such a way as to maintain a state in which light is focused onto either... Agent: Birch Stewart Kolasch & Birch

20100014398 - Recording medium, method of recording identifcation information thereof, and recording/reproducing method thereof: The present invention provides a method of recording identification information in an optical disc, by which specified disc identification information can be uniformly applicable to efficiently cope with the recording/reproducing of the optical disc. The present invention includes the step of recording disc identification information in a management area of... Agent: Harness, Dickey & Pierce, P.L.C

20100014399 - Information reproducing apparatus and method, and computer program: An information reproducer (1) includes a element (15) for reproducing content data, a first setting element (20) for setting first loop reproduction unit data, a conversion element (20) for generating conversion data by dividing or elongating/contracting a plurality of unit beat data each corresponding to one beat included in first... Agent: Young & Thompson

20100014394 - Write-once-read-many optical recording medium and recording method therefor: A recording method including: recording on a write-once-read-many optical medium capable of recording and reproducing with a blue laser by CAV, ZCLV, or PCAV, wherein a laser emission pattern including a recording pulse comprises two or more different levels of recording power, and a laser emission time standardized by the... Agent: Cooper & Dunham, LLP

20100014401 - Optical disc recording method and optical disc: A recording method for an optical disc having at least three recording layers (11, 12, 13, 14), in which test recording areas are formed in the odd-numbered recording layers (11, 13) and the even-numbered recording layers (12, 14) in positions that are mutually non-overlapping in the thickness direction of the... Agent: Birch Stewart Kolasch & Birch

20100014400 - Recording device and recording method, and computer program: A recording device (200) includes a first recording layer (L0 layer) and a second recording layer (L1 layer) where recording information is recorded by irradiation of a laser beam (LB). Each of the first recording layer and the second recording layer includes: recording means (352) for recording the recording information... Agent: Young & Thompson

20100014402 - Read-once record medium and a system with read protecting function: The present invention relates to a read-once record medium, comprising: a data substrate, having control data zone and a data zone, and said having pre-record data; a sensitive layer, disposed above said data substrate; a refractive layer, disposed above said sensitive layer; an adhesive layer, disposed above said refractive layer;... Agent: The Weintraub Group, P.L.C

20100014403 - Method and apparatus of discriminating different types of optical discs: A method for discriminating different types of optical discs includes the steps of focusing a beam spot generated by a laser source on an optical disc, and rotating the optical disc; generating a radio frequency signal and a corresponding first signal of the radio frequency signal; comparing a peak-to-peak value... Agent: Wpat, PC Intellectual Property Attorneys

20100014404 - Writing device, record carrier and method of writing information blocks, and reading device for reading information blocks: Reading a partly written writable record carrier having a track structure for positioning the write head above unwritten areas of the track pattern by means of a reading device which positions the read head on the basis of written marks, yields problems when an isolated information block after an unwritten... Agent: Philips Intellectual Property & Standards

20100014405 - Method for evaluating quality of read signal and apparatus for reading information: A most probable path is selected from a number n (where n≧2) of paths of state transitions occurring from a first state Sk−j (where k≧3 and j≧2) at a time k−j into a second state Sk at a time k. The method includes the steps of detecting predetermined combinations of... Agent: Panitch Schwarze Belisario & Nadel LLP

20100014406 - Recording condition adjusting method and optical disc apparatus: An optical disc apparatus according to the present invention includes a recording strategy adjusting section having an initial value setting section; an output level setting section; and a pulse width setting section. The initial value setting section sets initial values of pulse widths and output levels of a laser beam... Agent: Mr. Jackson Chen

20100014407 - Optical information recording medium, reproducing device for optical information recording medium, and reproducing method for optical information recording medium: In an optical information recording medium (1), a light-transmitting layer (10) or a transparent substrate, an information recording layer (20), and a substrate (30) are stacked in this order from a side from which reproducing light (2) enters. The information recording layer (20) includes at least a reproducing film (21)... Agent: Edwards Angell Palmer & Dodge LLP

20100014408 - Techniques for forming burst cutting area mark: A BCA mark is applied prior to molding of optical recording media. A stamper including a BCA code is formed. The stamper including the BCA code is used in the molding of optical recording discs. This technique can be used in manufacturing of read-only type discs, recordable discs, rewritable discs,... Agent: Cooper & Dunham, LLP

20100014409 - Holographic data storing method and storing device: A holographic data storing method includes the steps of: encoding original data to generate holographic data according to a codeword to symbol relation; and recording a hologram corresponding to the holographic data onto a holographic storage medium. In the codeword to symbol relation, a plurality of sample symbols corresponds to... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20100014410 - Optical pickup and optical disk device: An optical pickup includes: a light source that emits a light beam; an object lens that condenses the light beam on a target recording layer of an optical disk; a lens moving unit; a condensing lens; a hologram element that diffracts, in diffracting a reflected light beam and separating it... Agent: Wolf Greenfield & Sacks, P.C.

20100014411 - Optical pickup device: A pickup device includes a diffraction grating 12 for separating a light beam emitted from the light source into at least three light beams. The diffraction grating 12 is divided into four regions by straight lines extending in a direction parallel to a tangential direction of tracks of an optical... Agent: Mcdermott Will & Emery LLP

20100014412 - Information recording/reproducing apparatus and method: An information recording/reproducing device is provided with a recording medium with a recording surface, a plurality of probes that carry out at least either record processing or reproduction processing by scanning a plurality of information tracks on the recording surface, a position detecting means that detects a position of at... Agent: Nixon & Vanderhye, PC

01/14/2010 > patent applications in patent subcategories.

20100008193 - Reproduction system: To limit the number of contents which can be reproduced among a plurality of contents recorded on a recording medium. [MEANS FOR SOLVING PROBLEMS] A reproduction device (3) includes: a recording medium (2) containing a plurality of contents and the reproduction-enabled number indicating the number of contents which can be... Agent: Young & Thompson

20100008195 - Optical scanning device and method for scanning: An optical scanning device is adapted for scanning a record carrier having an outer face. The optical scanning device comprises a radiation source for generating a radiation beam, and an objective system having an exit face arranged for evanescent coupling of the radiation beam between the exit face and the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20100008194 - Reading method and device for optical disk drives: A reading method and a reading device for an optical disk drive, which reads data on a track of an optical disk, receives a host command to read required data, checks cache data, reads cache required data to respond to the command, sets the required data to a target track... Agent: Rabin & Berdo, PC

20100008196 - Aberration correcting apparatus: In optical disc systems, read-out is hampered because of spherical aberrations resulting from cover layer thickness variations or because discs consists of multiple layers. The aberration correcting apparatus (1) of the present invention is arranged to correct such an optical aberration. Therefore, the aberration correcting apparatus (1) comprises a fluid... Agent: Philips Intellectual Property & Standards

20100008197 - Optical disk apparatus and emission control method: An optical disk apparatus according to the present invention includes a spindle motor that rotates an optical disk on whose information recording surface a plurality of addresses is recorded, an optical pickup that records/reproduces an information signal on/from the information recording surface of the optical disk rotated by the spindle... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100008198 - Optical recording/reproducing method, system, and program: An optical recording/reproducing system 1 reads, based on a predetermined reproduction clock, information associated with a recording track of a recording medium by irradiating frequency light. The frequency light is scanned at a predetermined scan velocity. The optical recording/reproducing system includes a computer 13, a DSP 49, and a LD... Agent: Nixon & Vanderhye, PC

20100008199 - Method and system for controlling optical pick-up head locked to track center of optical storage medium: A method for controlling a position of a laser spot of a laser beam on an optical storage medium of a land and groove recording/reproduction type is provided. The method includes: detecting a pulse occurring in a reference signal while the laser spot is passing through a boundary between a... Agent: North America Intellectual Property Corporation

20100008200 - Optical disc apparatus and signal recording surface detecting method: An optical disc apparatus includes: an objective lens that condenses a first light beam, which is emitted from a light source and corresponds to a first optical disc, and that illuminates the first light beam to an unknown disc whose type is unknown; a driving section that drives the objective... Agent: Wolf Greenfield & Sacks, P.C.

20100008201 - Demodulation method and apparatus: A demodulation method comprises the steps of performing branch metric computation on each of columns of a modulation symbol; calculating column path metrics that are respective path metrics of column state values of modulation symbols; and calculating symbol path metrics that are respective path metrics of symbol state values of... Agent: Drinker Biddle & Reath (dc)

20100008202 - Optical information recording medium, recording particle, method for reproducing optical information, optical information reproducing apparatus, method for recording optical information, and optical information recording apparatus: An optical information recording apparatus includes a recording layer, wherein nanoparticles having diameters of 100 nm or less are disposed while being surrounded by a medium having a complex dielectric constant which is changed in accordance with an application of light and the degree of local plasmon resonance produced by... Agent: K&l Gates LLP

20100008203 - Semiconductor device, its manufacturing method and optical pickup module: A semiconductor element is mounted on a rectangular base of a package including the base and ribs provided on a pair of opposite external edges of the base. Electrode pads of the semiconductor element and connection electrodes provided on rib upper surfaces are connected to each other by metal wires.... Agent: Mcdermott Will & Emery LLP

20100008206 - Method and apparatus for recording/reproducing holographic information: Provided are a method and apparatus for recording/reproducing holographic information. The apparatus for recording/reproducing holographic information includes an optical pickup which irradiates light on a holographic information storage medium and receives irradiated light, wherein the optical pickup comprises a focusing optical system having a numerical aperture (NA) during recording that... Agent: Stein Mcewen, LLP

20100008204 - Multi-wavelength micro holographic data recording/reproducing apparatus: A multi-wavelength micro holographic data recording and/or reproducing apparatus in which decentering of light beams having different wavelengths is compensated for, the apparatus including: at least two light sources emitting the light beams; at least two photodetectors respectively detecting the light beams reflected from an optical recording medium; and an... Agent: Stein Mcewen, LLP

20100008205 - Optical pickup and optical device: An optical pickup includes a first laser beam light source 1 for emitting a light flux of a first wavelength, a diffraction grating 5 and an optical device 6 having a second laser beam light source 7 for emitting a light flux of a second wavelength and a hologram element... Agent: The Nath Law Group

20100008207 - Method and apparatus for optical power transfer control: A method and apparatus involve: supporting an optical part for movement in relation to a first path of travel of radiation; moving the part successively to first and second positions in which radiation arriving along the first path of travel passes respectively through first and second sections of the part... Agent: Haynes And Boone, LLPIPSection

20100008208 - Optical recording using a waveguide structure and a phase change medium: An apparatus includes a component having a first surface, a first waveguide for directing electromagnetic radiation to a focal point adjacent to the first surface, a storage medium positioned adjacent to the first surface, a detector for detecting electromagnetic radiation reflected from the storage medium, and a structure positioned adjacent... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20100008209 - Information recording/reproducing device: An information recording/reproducing device according to an aspect of the present invention includes a recording layer, and a recording circuit which records data to the recording layer by generating a phase change in the recording layer. The recording layer includes a first chemical compound having one of a Wolframite structure... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100008210 - Recording medium with a linking area thereon 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 including a data area including at least two data sections and a linking area to link neighboring data sections, the linking area including user data and parity data, and to methods and apparatuses for forming, recording, and reproducing the... Agent: Harness, Dickey & Pierce, P.L.C

20100008211 - Information reproducing apparatus and information reproducing method: An information reproducing apparatus has a medium with a linear tracking mark extending in a scanning direction and a linear data mark extending in a direction orthogonal to the scanning direction. A light control unit irradiates the data mark with a first near-field light polarized in the scanning direction and... Agent: Bruce L. Adams, Esq Adams & Wilks

20100008212 - Optical disk: The present invention relates to an optical disc for use as a recording medium in an optical disc drive, which has a transparent protection film (120) formed on a recording layer on one plane of the disc substrate (110) and a printing label film 130 being of approximately the same... Agent: Robert J. Depke Lewis T. Steadman

01/07/2010 > patent applications in patent subcategories.

20100002550 - Near field light assigned magnetic recording head and recording apparatus using the same: A near field light assisted magnetic recording head 2 includes a conical tip 41 configured to generate a near field light at a distal end thereof, and a magnetic recording element configured to cause a flux reversal in a minute area on a surface of a medium by heating the... Agent: Bruce L Adams Adams & Wilks

20100002549 - Near field light assisted magnetic recording head and recording apparatus using the same: A head using near field light is formed, which is characterized by including a near field light assisted magnetic recording head characterized by including a pyramid tip 43 configured to generate near field light at the tip end thereof, in which magnetic recording is conducted by assistance of the near... Agent: Bruce L. Adams Adams & Wilks

20100002553 - Driving device and method, program, and recording medium: A driving device includes an optical pickup unit that irradiates a disc having a plurality of recording surfaces with a laser beam used for recording or reproducing information, and a generating unit that generates a focus control signal used for controlling a focus state of the laser beam emitted from... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100002552 - Optical disk apparatus and tilt control method thereof: An optical disk apparatus which can carry out tilt control using a signal of a focus control system so as to improve the recording/reproducing performance of an optical disk. The optical disk apparatus includes a motor which rotates the optical disk, an optical pickup which reads at least information from... Agent: Antonelli, Terry, Stout & Kraus, LLP

20100002551 - Reconfiguration controlling apparatus for optically reconfigurable gate array and method thereof: To provide a reconfiguration controller of an optically reconfigurable gate array for correctly and reliably writing various types of logical operation circuits of an optically reconfigurable gate array and performing high-speed logical operation by quickly starting up the circuits. [MEANS FOR SOLVING PROBLEMS] A reconfiguration controller comprises a laser array... Agent: Rader Fishman & Grauer PLLC

20100002555 - Control signal for three dimensional optical data storage: A method is presented for use in determining a degree of quality of a multi-layer optical data carrier in its at least partially recorded state. Predetermined first data is provided being indicative of a qualified, at least partially recorded multi-layer optical data carrier. This data corresponds to an optical response... Agent: Oliff & Berridge, PLC

20100002554 - Optical disk device and optical disk type determination method: An optical disk device includes an optical head unit, a drive means and a recording surface state determination means, and determines the type of an optical disk based on a state of the information recording surface. The information recording surface includes a management region on which management information is recorded... Agent: Mr. Jackson Chen

20100002556 - Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same: A reproduction signal evaluation method for evaluating quality of a reproduction signal reproduced from an information recording medium based on a binary signal generated from the reproduction signal using a PRML signal processing system, includes: a pattern extraction step of extracting, from the binary signal, a specific state transition pattern... Agent: Wenderoth, Lind & Ponack L.L.P.

20100002557 - Removable storage device with vibration reduction structure: A removable storage device includes a base including a first frame and a second frame connected to a first frame. A containing space is formed on the second frame. A first connector is disposed on an end of the second frame. A height difference is formed between the first frame... Agent: North America Intellectual Property Corporation

20100002558 - Optical disk device and optical receiver ic: A first optical receiver circuit in an optical receiver IC, which composes an optical disk device, generates a first voltage signal VS1 indicating an amount of light of a laser beam oscillated in a multimode. A second optical receiver circuit generates a second voltage signal VS2 indicating an amount of... Agent: Young & Thompson

20100002559 - Compatible optical recording medium: The optical recording medium has a recording layer sensitive for recording at a first wavelength and sensitive for reading at a second wavelength, the recording layer having a groove structure, wherein at the first wavelength the groove structure has a diffraction efficiency into a first diffraction order sufficiently large to... Agent: Robert D. Shedd, Patent Operations Thomson Licensing LLC

20100002560 - Coupling lens, optical head and optical disc device: A coupling lens is incorporated into an optical head for collecting laser light emitted from a plurality of light sources and having different wavelengths on an information recording face of different types of optical information recording mediums respectively. The coupling lens comprises a first lens and a second lens which... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20100002562 - Optical pickup and optical disc apparatus using the same: An optical pickup includes a light source emitting a light beam, an objective lens condensing the light beam emitted from the light source onto an optical disc, at least one divergent angle conversion lens (collimator lens) disposed between the light source and the objective lens and changing a divergent angle... Agent: Wolf Greenfield & Sacks, P.C.

20100002561 - Optical pickup device and optical disk drive apparatus: An optical pickup device includes an optical part module having a light emitting device and an optical pickup case to which the optical part module is fixed by way of an adhesive, in which the optical part module is adhesively fixed by disposing a bonding surface of the optical part... Agent: Antonelli, Terry, Stout & Kraus, LLP

20100002563 - Media with tetragonally-strained recording layer having improved surface roughness: A media for storing information comprises a substrate, a conductive layer formed over the substrate, and a ferroelectric layer epitaxially formed on the conductive layer. The ferroelectric layer includes an a-lattice constant that is substantially matched to an a-lattice constant of the conductive layer and an average c-lattice constant that... Agent: Fliesler Meyer LLP

20100002564 - Method and device for hard drive shock event detection: A method and system for sensing the current applied to the motor of a data storage device and determining whether a shock event has occurred by processing the sensed current levels.... Agent: Kramer Levin Naftalis & Frankel LLP

20100002565 - Servo master magnetically transferring servo patterns to magnetic recording medium, and magnetic transfer method using the servo master: The servo master includes a membrane having a first surface and a second surface; a plurality of stamp areas which are disposed on the first surface, each of the plurality of stamp areas including a magnetic layer patterned with servo patterns to be magnetically transferred to a magnetic recording medium;... Agent: Sughrue Mion, PLLC

20100002567 - Compatible optical recording medium: The present invention relates to a format of a recordable optical recording medium, which is designed in such a way that it can be read by any standard player and recorder. The optical recording medium has a recording layer with a structure of lands and grooves, which generates a strong... Agent: Robert D. Shedd, Patent Operations Thomson Licensing LLC

20100002568 - High-density information storage apparatus: A system is provided. The system includes an information storage medium including a substrate and a plurality of pit trains formed on the substrate at a track pitch between 0.64 and 0.67 micrometers. The system further includes a pickup head having a numerical aperture of around 0.6 and a wavelength... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20100002566 - Information recording medium, and method of manufacturing information recording medium: An information recording medium (100) is an optical recording medium in which a groove is made along a recording track and record or reproduction is carried out by irradiating laser light to it and a push-pull signal, which is smaller than a prescribed value, is obtained from a part of... Agent: Young & Thompson

20100002569 - Optical information recording medium, method of recording and reproducing information, and azo metal complex dye:

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