|Dynamic information storage or retrieval patents - Monitor Patents|
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Dynamic information storage or retrieval November recently filed with US Patent Office 11/09Below 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. 11/26/2009 > 27 patent applications in 20 patent subcategories.
20090290454 - Thermally assisted recording head with magnetic pole integrated into optical aperture for dual gradient recording: A write head structure for perpendicular recording having a pole tip integrated into the metal film surrounding a C aperture near field light source is disclosed. The close proximity of the pole tip to the light source enables more precise location of data cells written into the magnetic media, through... Agent: D'arcy H. Lorimer Lorimer Labs
20090290455 - Optical disc apparatus, method of controlling the same, and information storage medium: An optical disc apparatus controls a relative position of an optical pickup with respect to a surface of an optical disc medium according to an output signal output from the optical pickup according to information recorded on the optical disc medium to implement servo control for maintaining a state where... Agent: Katten Muchin Rosenman LLP
20090290456 - Optical disc device, method for activating optical disc device, and control circuit: An optical disc device includes: a light source; a condensing system including a solid immersion lens for emitting light from the light source onto an optical disc; a gap control circuit for setting a distance between the solid immersion lens and the optical disc to a constant value; a CPU... Agent: Wenderoth, Lind & Ponack L.L.P.
20090290457 - Optical focus error offset to reduce radial to vertical crosstalk: A method and system are provided for minimizing or optimising radial to vertical crosstalk (RVC) in an error signal in an optical record carrier reader is record carrier losed. Focus error offset values are applied to the reader. The radial to vertical crosstalk is determined after each focus error offset... Agent: Philips Intellectual Property & Standards
20090290458 - Method of updating disc information of optical disc: m
20090290460 - Information recording method and information recording apparatus: In an information recording method, information is recorded to semiconductor memory when at least a specified amount of free space exists in the semiconductor memory. Information is recorded to magnetic memory when the free space in the semiconductor memory is insufficient but at least a specified amount of free space... Agent: Wolf Greenfield & Sacks, P.C.
20090290459 - Optical disk image forming device and optical disk image forming method: When an optical disk image forming device forms an image on an optical disk, the image forming device reads information of kinds of coloring matters used in an image forming area from information described in an information area of the optical disk. Then, the optical disk image forming device reads... Agent: Crowell & Moring LLP Intellectual Property Group
20090290461 - Optimizing calibration system: An optical scanning device scans a medium via a beam of radiation. The device has a head for providing the beam, beam control means for controlling the beam to generate a scanning spot, a front-end unit for generating a scanning signal based on radiation reflected from the medium, and an... Agent: Philips Intellectual Property & Standards
20090290462 - Signal processing device for optical disc, integrated circuit, optical disc device, and optimum recording focus position detecting method: An optical disc signal processing device includes a focus position determining section, wherein when test recording is performed while changing a focus position through a plurality of positions, the focus position determining section obtains an optimum recording focus position based on recording qualities of regions on the optical disc where... Agent: Mcdermott Will & Emery LLP
20090290463 - Optical disc device: The optical disc apparatus of this invention includes: an optical pickup, which irradiates an optical disc with a light beam and generates a light detection signal based on the beam reflected from the disc; a search section, which controls the pickup before data is written on a storage area of... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090290464 - Data protection in an optical data carrier: An optical data carrier is presented being configured to provide protection for data recordable therein from environmental effects. The optical data carrier comprises recordable media having an outer surface and an inner data volume in which data is to be recorded, said data volume being spaced from said outer surface... Agent: Houston Eliseeva
20090290465 - Gap pull-in method for near-field optical disk driver and optical disk driving apparatus using the method: A gap pull-in method that minimizes overshoot due to a moving speed of a light focusing element and disturbance of a disk when the light focusing element is converted from an open loop state to a closed loop state during a gap pull-in of a near-field optical disk driver, and... Agent: Stein Mcewen, LLP
20090290466 - Optical disc apparatus, method of controlling the same, and information storage medium: An optical disc apparatus includes an optical pickup for outputting an output signal according to reflected light from an optical disc medium, measures a level of a reflected signal corresponding to reflected light from a medium surface prior to reading of information recorded on the medium, predicts, based on the... Agent: Katten Muchin Rosenman LLP
20090290467 - Multilayer information recording medium: A multilayer information storage medium according to the present invention includes: a substrate; at least three information storage layers, which are stacked one upon the other on the substrate; a plurality of transparent layers, each of which is arranged between its associated adjacent ones of the information storage layers; and... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090290470 - Information recording medium, and recording method and reproducing method thereof: An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to... Agent: Connolly Bove Lodge & Hutz LLP
20090290468 - Information reproducing method: The present invention relates to an information reproducing method for reproducing information recorded on an information recording carrier with several information layers by radiating light onto the carrier being e.g. an optical disc. The method comprises the step of 1) focusing the light at a first information layer or a... Agent: Philips Intellectual Property & Standards
20090290469 - Optical information recording medium, method of recording information, azo metal complex dye, and azo metal complex salt dye: An aspect of the present invention relates to an optical information recording medium comprising a recording layer on a surface of a support, wherein the recording layer comprises at least one azo metal complex dye that is a complex of at least one azo dye and at least one metal... Agent: Sughrue Mion, PLLC
20090290472 - Optical information recording apparatus, optical information recording method, optical information recording/reproducing apparatus and optical information recording/reproducing method: An optical information recording/reproducing apparatus using holography comprises a signal generation unit that modulates input data, adds at least one control bit to each group of N bits, performs an NRZI-modulation on the modulated data, determines the at least one control bit such that a digital sum value of the... Agent: Juan Carlos A. Marquez C/o Stites & Harbison PLLC
20090290471 - Recording and reproducing device, recording and reproducing method, recording device, recording method, reproducing device, and reproducing method: A recording and reproducing device performs recording and reproduction on a hologram recording medium on which data is recorded by the use of interference fringes formed by signal light and reference light. The device includes: a light generation device including a spatial light modulator which performs spatial light modulation on... Agent: Robert J. Depke Lewis T. Steadman
20090290473 - Optical head device and optical information recording or reproducing apparatus with the same: [Means for Solving Problems] Reflecting light of a main beam and sub-beams reflected from a disc is diffracted by a diffractive optical element (9a) and then received by a photodetector. The diffractive optical element (9a) is divided into regions (13a) to (13d) by two lines in parallel with radial and... Agent: Sughrue Mion, PLLC
20090290474 - Optical pickup apparatus and objective optical element: A light flux from the first light source forms a converged spot on first optical information recording medium by only a refraction action of the aspheric surface, or by a combination of the refraction action and an optical action given by at least one of the first phase structure and... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP
20090290475 - Optical pickup apparatus: An optical pickup apparatus comprising: a diffraction grating configured to diffract laser light from a laser diode so that signals recorded in first and second optical discs are selectively reproduced, thicknesses of protective layers between surfaces and signal recording surfaces of the first and second optical discs being different from... Agent: Fish & Richardson P.C.
20090290479 - Optical disc apparatus, method of controlling the same, and information storage medium: An optical disc apparatus includes an optical pickup for outputting an output signal according to reflected light from an optical disc medium and a comparison signal output unit for outputting a comparison signal indicating whether a level of the output signal is higher than a threshold value, relatively moves an... Agent: Katten Muchin Rosenman LLP
20090290477 - Optical disk reproducing device: An optical disk reproduction apparatus according to the present invention is an optical disk reproduction apparatus capable of reading information from the NBCA of an optical disk 101 having an NBCA, and includes: an optical pickup 103 having an objective lens 120 for converging a light beam onto the optical... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090290476 - Optical information recording medium, optical information recording/reproducing apparatus, and method of manufacturing optical information recording medium: An optical disk, in which recoding or reproduction is performed from one plane through the substrate, has two recoding layers, and the recording density of a first layer is different from the recording density of a second layer. First recording layer 101 and second recording layer 102 are stacked on... Agent: Dickstein Shapiro LLP
20090290478 - Optical information recording/reproducing device: An optical information recording/reproducing device is provided with a first light source 20a for emitting recording light 22a, a second light source 20b for emitting reproducing light 22b, an objective lens 6 for focusing the emitted lights from the both light sources 20a, 20b on an information recording medium including... Agent: Wenderoth, Lind & Ponack L.L.P.
20090290480 - Optical disc and optical disc apparatus: A multilayer optical disc has dimples and/or bumps on a surface of at least one of the layers. Dimensions of the dimples and/or bumps, such as size, frequency and pitch, are selected to generate frequency components in light reflected from the surface that are different from frequency of servo and/or... Agent: Mcdermott Will & Emery LLP11/19/2009 > 27 patent applications in 20 patent subcategories.
20090285058 - Mastering device, disc manufacturing method, disc-shaped recording medium, disc reproduction device, and disc reproduction method: Second digital information is recorded onto a disk-shaped recording medium by wobbling a pit sequence recorded as a first signal. The second digital information is recorded so that a plurality of bits constituting the second digital information are allocated in a unit period of an identical sync signal contained in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20090285059 - Apparatus for initializing and method of manufacturing optical disc, and initialization reference plate: An embodiment of the present invention includes rotating an integrated disc formed by temporarily fixing an initialization reference plate to an uninitialized optical disc that is an optical disc to be irradiated with a light beam of light having a predetermined or higher intensity to record information as a recording... Agent: Wolf Greenfield & Sacks, P.C.
20090285060 - Method of adjusting gain balance of optical transducer: A method of adjusting gain balance of an optical transducer includes the following steps. First, two external gains are predetermined. Next, the projection position of a reflection spot is adjusted toward one side of the optical transducer, and the current output values of the optical transducer each corresponding to one... Agent: Bacon & Thomas, PLLC
20090285062 - Method for rearranging back-up data: The invention discloses a method for rearranging back-up data, which first starts rearranging a back-up area when a rewritable optical disc is loaded, reads all available replacing blocks on the back-up area, rearranges the order of the replacing blocks based on the order of addresses of corresponding data blocks on... Agent: Nikolai & Mersereau, P.A.
20090285063 - 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
20090285064 - Write once optical disc, and method and apparatus for recovering disc management information from the write once optical disc: A write once optical recording medium and a method and apparatus for storing and recovering defect management information to and from the write once optical recording medium are provided. The recording medium includes at least one recording layer, and a data area on the recording layer. The data area includes... Agent: Birch Stewart Kolasch & Birch
20090285065 - Information recording medium, information recording device and method, and computer program: An information recording medium (10) is provided with: a first area in which first data is recorded, first data region information being assigned to the first data; a second area in which second data is recorded, second data region information being assigned to the second data; and a control area... Agent: Young & Thompson
20090285061 - Device and method for reproducing digital signal and device and method for recording digital signal: A technique capable of realizing a power saving in a device for reproducing/recording digital signals by properly controlling a frequency of a clock. The device for reproducing/recording digital signals (device for reproducing an optical disk) includes: a difference comparing circuit for comparing a first parameter (demodulating block counter) updated each... Agent: Miles & Stockbridge PC
20090285066 - Information recording apparatus and method, and computer program: An information recording apparatus (2) is for forming a record mark corresponding to a recording signal by applying a laser beam to a recording medium, and is provided with: a light source (21) for emitting the laser beam; and a signal generating device (22) for generating a recording pulse signal... Agent: Young & Thompson
20090285067 - Back-up method for defective data: A back-up method for defective data includes: first writing a batch of data clusters on a user data area; reading the data clusters to check for defects; planning back-up positions on the back-up area; writing the correct data for the defective data clusters to form a batch of corresponding replacing... Agent: North America Intellectual Property Corporation
20090285070 - Copy-protected optical storage media and method for producing the same: A method is provided for protecting and authenticating data (software programs, games etc) and media (video, audio) from an optical storage media from copyright infringement via a computing system or dedicated hardware while allow said content (especially media and audio) to perform as is on multimedia capable devices (dvd-players) without... Agent: Darby & Darby P.C.
20090285068 - Disk operation protection method and disk controller: A disk operation protection method and a disk controller are disclosed herein. The method includes: receiving a request for a disk operation; obtaining, by a disk controller, operation control parameters corresponding to the current disk area to be operated, and determining whether to allow operation of the current disk area... Agent: Brinks Hofer Gilson & Lione
20090285069 - File protection method used in solid state disc array system: A file protection method is used for preventing files stored in a solid state disc array system from being reproduced unauthorizedly. After a file is produced completely, it is stored in a solid state disc array system connected to an external computer. When the external computer is to execute the... Agent: Hdls Patent & Trademark Services
20090285071 - Recording method, recording medium, and recording system: An information recording medium and an optical recording system allow target information (such as an ad) to be displayed without requiring changes in hardware or physical specifications. The recording medium comprises a recording-limited area in which recording is made possible by canceling the limit after an instruction is issued for... Agent: Mattingly & Malur, P.C.
20090285072 - Method for monitoring an optical disk drive performance quality, optical disk drive, optical disk duplicator system and computer program product: The invention relates to a method for monitoring an optical disk drive performance quality by determining a laser diode quality indicator for a laser diode arranged in an optical disk drive for scanning an optical disk. The determining includes measuring (1000) an actual value (ITHACT) of a parameter (ITH) associated... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP
20090285073 - Pattern transfer apparatus and pattern transfer method: A pattern transfer apparatus includes a storage-medium-surface detecting unit that detects a foreign substance or defect on a surface of a storage medium and specifies a position and a size of the foreign substance or defect; a relative-position adjusting unit that adjusts a relative position on a contact surface between... Agent: Greer, Burns & Crain
20090285074 - Enhanced security of optical article: An optical article comprising a first file encoded on the optical article comprising data structure information; a second file encoded on the optical article comprising a backup of the first file; wherein at least one of the first file or the second file must be fully readable for the player... Agent: General Electric Company Global Research
20090285075 - Enhanced security of optical article: An optical article comprising a mark disposed on the optical article; wherein the mark comprises an optical state change material; wherein the optical state change material undergoes a change in its optical state when exposed to an activation signal selected from one or more of a laser, thermal energy, infrared... Agent: General Electric Company Global Research
20090285076 - Diffractive optical element and method of designing the same: A transmissive or reflective diffractive optical element, comprising: a substrate having a top surface, the top surface being etched into a pattern, the pattern including a periodic surface pattern of grooves formed such that when an incoming light beam is shone onto the top surface, the incoming light beam will... Agent: Posz Law Group, PLC
20090285077 - Optical pickup device and optical recording medium information reproduction device: The present invention provides an optical pickup device and optical recording medium information reproduction device that are capable of reproducing information that is recorded on a plurality of kinds of optical discs having different track pitches. With the present invention, an optical pickup device generates a main beam and sub... Agent: Drinker Biddle & Reath (dc)
20090285080 - Pickup lens with phase compensator and optical pickup apparatus using the same: A pickup lens with a phase compensator is composed of a condenser lens and a phase compensator. At least one surface of the condenser lens has a step-like annular zone structure to compensate wavefront aberration generated when recording and reproducing data on an information recording medium having a substrate thickness... Agent: Oliff & Berridge, PLC
20090285081 - Apparatus and method for recording information in optical storage medium: To record information in an optical storage medium, a pulsed laser beam produced by a laser light source is split into first and second pulsed laser beams by a beam splitter. The first pulsed laser beam to be concentrated in the optical storage medium supported by a medium support part... Agent: Sughrue Mion, PLLC
20090285082 - Electric field read/write head, method of manufacturing the electric field read/write head, and information storage device including the electric field read/write head: An electric field head includes a body portion and a read head having a channel layer provided on an air bearing surface (ABS) of the body portion facing a recording medium and a source and a drain contacting both ends of the channel layer. The electric field head is manufactured... Agent: Sughrue Mion, PLLC
20090285083 - Activation system and method for activating an optical article: An optical article comprising a plurality of optically detectable marks disposed on a surface of the optical article; a removable electrical device disposed on the surface of the optical article; wherein the electrical device is operatively coupled to the optical article; and wherein the electrical device is configured to interact... Agent: General Electric Company Global Research
20090285084 - Optical disk with plural substrates: An optical disk of the present invention includes a first substrate having a signal area on a principal plane and a central hole, and a second substrate that is transparent and attached to the first substrate. The second substrate is thinner than the first substrate, and has a central hole... Agent: Hamre, Schumann, Mueller & Larson P.C.
20090285085 - Optical disc recording device, data recording method, and data recording program: An optical disc recording device includes: an optical disc device to record optical recording data onto an optical disc; a recording data assigning unit to divide a recording region on the optical disc into multiple divisions, part as a data region, assign optical recording data thereto; a redundancy data calculating... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.11/12/2009 > 27 patent applications in 20 patent subcategories.
20090279393 - Playing data from an optical media drive: Example embodiments provide various techniques for playing data from an optical media drive. The optical media drive may detect certain media access information for use in accessing optical media. This media access information is stored in a memory that is configured to retain the media access information after the optical... Agent: Schwegman, Lundberg & Woessner/apple
20090279394 - Disc processing device and control method for disc processing device: The effect of detection errors when detecting if a disc recording medium is in a disc drive is eliminated. A control unit 17 detects if an optical disc 11 was supplied to an optical disc drive 13 based on the operation of the transportation unit 16, causes the optical disc... Agent: Townsend And Townsend And Crew, LLP
20090279395 - Optical disk drives and method for controlling track-seeking for optical disk drives: The invention provides an optical disk drive. The optical disk drive comprises a pickup head, a seek control device, a lens vision characteristic decoder, and an anti lens shift device. The pickup head comprises a sled and a lens for projecting a beam on a disk. The seek control device... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP
20090279396 - Misjudgment correction circuit and optical disk drive: Disclosed herein is a misjudgment correction circuit, including, an edge detection section configured to detect, in a binarized full addition signal obtained by adding first and second signals of the same or opposite polarity, edges at which the logic value of the binarized signal changes, a push-pull signal acquisition section... Agent: Rader Fishman & Grauer PLLC
20090279397 - Center error mechanical center adjustment: An apparatus comprising a center error creation circuit and a center error offset injection circuit. The center error creation circuit may be configured to generate a center error signal in response to light from a main laser reflected from a surface of an optical disc. The center error offset injection... Agent: Christopher P Maiorana, PC Lsi Corporation
20090279400 - Information reproducing device and method, and computer program: An information reproducing apparatus (200) is provided with: a reproducing device (202, 205, 206) for reproducing record information recorded on an information recording medium (100) which is provided with a first recording layer (L0) to which first medium region information (110) is assigned and a second recording layer (L1) to... Agent: Young & Thompson
20090279399 - Optical head and optical disc device: A tilt can be detected highly accurately by minimizing the tilt detection error. An optical head includes: an objective lens for converging a light beam from a light source onto an optical disc; a photodetector section receiving the beam, reflected from the disc, at divided areas on its photodetection plane... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090279401 - Recording medium, apparatus and method for recording/reproducing data on/from recording medium: A recording medium and an apparatus for recording/reproducing data on the recording medium, which are capable of controlling access to the recording medium by recording control information for controlling access for reading the data, are disclosed. When a function included in the recording medium cannot be performed, Unknown Rules are... Agent: Harness, Dickey & Pierce, P.L.C
20090279402 - Information recording medium, information recording apparatus and method, and computer program: An information recording apparatus is for recording user data and recording management data onto an information recording medium being provided with: a first recording layer; and a second recording layer, each of the first recording layer and the second recording layer having a user data area to record therein at... Agent: Young & Thompson
20090279398 - Portable recorder/players with power-saving buffers: In electronic devices such as combination CD-ROM and MP3 recorder/players power is conserved by buffering audio or visual data in a solid state memory, preferably of the FLASH or DRAM type, before writing the data to a rotating hard disk. Alternatively, audio and/or visual data, including musical works and still... Agent: William C. Fuess
20090279403 - Optical disc device: Light emitted from a radiation light source 1 passes through a diffraction grating 3a and is separated into transmitted light a, +1st order diffracted light b, and −1st order diffracted light c. The transmitted light a, +1st order diffracted light b, and −1st order diffracted light c are collected through... Agent: Hamre, Schumann, Mueller & Larson P.C.
20090279404 - Apparatus and method for writing optical information: An optical disk writing apparatus enhances writing accuracy by writing first data (e.g., test data) that encodes a first writing strategy within first patterns on an optical disk, in response to a first writing signal. A reproducing signal is generated in response to reading the first data from the optical... Agent: Myers Bigel Sibley & Sajovec
20090279405 - Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method: An optical disc drive having an optical pickup head emitting a light beam to an optical storage medium, detecting the light beam reflected from the optical storage medium, and outputting a signal based on the received reflected light, having a jitter measuring unit measuring jitter in signals output from the... Agent: Wenderoth, Lind & Ponack L.L.P.
20090279406 - Hologram recording and reproducing system: A hologram recording and reproducing system for recording or reproducing information to or from a hologram record carrier that stores an optical interference pattern of a reference beam and a signal beam therein as a diffraction grating, includes: light producing means that generates a reference beam and a signal beam... Agent: Sughrue Mion, PLLC
20090279407 - Setup for storing data in a holographic storage medium: The present invention relates to a setup for storing data in a holographic storage medium, comprising a spatial light modulator medium (18), a detector (20), a holographic storage medium (10), a first lens (22) between the spatial light modulator medium and the holographic storage medium, and a second lens (24)... Agent: Philips Intellectual Property & Standards
20090279408 - Optical data recording/reproducing system picking up multiple tracks between guard bands: The present invention relates to an optical system for performing radial tracking on an optical record carrier (100). The optical system contains light dividing means, e.g. a grating, for separating a light beam into a main beam (52) for reading and/or recording information as readable effects on the carrier, and... Agent: Philips Intellectual Property & Standards
20090279410 - Method and apparatus for controlling spherical aberration correction for an optical disk drive: The invention provides a method for controlling spherical aberration correction for an optical disk drive. First, a collimator lens is moved to a first target position for spherical aberration correction. A driving time of motion of the collimator lens is then calculated. A prohibiting time is then determined according to... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP
20090279409 - Optimal detection of twodos signals: A method and a device for simultaneously reading information from a plurality of data tracks (14) of an optical disc (22) by means of a detector illuminating said plurality of data tracks with laser spots (25), wherein light reflected from the laser spots is collected by means of a servo... Agent: Philips Intellectual Property & Standards
20090279411 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP
20090279412 - Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information: An information recording medium includes a plurality of layers for recording or reproduction of information by irradiation, wherein each of the layers includes an emboss portion and wobble portion including wobbles of a first frequency and a second frequency that is different from the first frequency. The first frequency is... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090279413 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP
20090279414 - Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor: A recording medium includes a substrate having a microscopic pattern, which includes a shape of continuous substance of approximately parallel grooves formed with a convex shaped section and a concave shaped section alternating on a surface of the substrate. A recording layer is formed on the microscopic pattern and a... Agent: Connolly Bove Lodge & Hutz LLP
20090279415 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of... Agent: Connolly Bove Lodge & Hutz LLP
20090279417 - Information recording apparatus: An information recording apparatus is disclosed that includes a control unit that controls operations of recording user data on an information recording medium having plural recording layers. When a second layer following a first layer of the recording layers remains unrecorded at the time user data recording performed in response... Agent: Dickstein Shapiro LLP
20090279416 - Optical disc and optical recording method: The invention provides an optical disc (100) including a first substrate (10), an image-recording layer (20), a second substrate (50), an information-recording layer (60), and a cover layer (70) disposed in this order, wherein the thickness of the first substrate (10) is 0.5 to 0.7 mm, the thickness of the... Agent: Taiyo Corporation11/05/2009 > 27 patent applications in 20 patent subcategories.
20090274016 - Magneto-optical device: A magneto-optical device is disclosed that includes a non-magnetic support body and a fine particle arrangement layer on the non-magnetic support body. The fine particle arrangement layer includes multiple regularly arranged fine metal magnetic particles. In the magneto-optical device, magnetization is generated by applying an external magnetic field to the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20090274017 - Mixed-signal single-chip integrated system electronics for data storage devices: An integrated data storage control system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g., digital CMOS) for all components. Analog and digital... Agent: Mcandrews Held & Malloy, Ltd
20090274018 - Recording device and radial offset calibration method: The present invention relates to a method of calibrating a radial offset of an optical recorder after a recordable record carrier is inserted (1000), the method comprising the steps of: determining wobble signal amplitudes at different radial offset values of a radial control loop (102), finding an optimal radial offset... Agent: Philips Intellectual Property & Standards
20090274019 - Optical scanning apparatus for appliances for recording or reproducing information using an optical recording medium: The invention provides an optical scanning apparatus for appliances for recording or reproducing information using an optical recording medium, said scanning apparatus automatically matching itself to the curvature of a curved recording medium or of a recording medium with axial runout without there being different wire diameters for the resilient... Agent: Thomson Licensing LLC
20090274020 - Optical head unit and optical information recording/reproducing apparatus: An optical head unit is configured as an optical head unit corresponding to an optical recording medium of BD standard, and an optical recording medium of HD DVD standard. A magnification-variable lens includes convex lens, concave lens, and convex lens. The magnification-variable lens allows each lens to be movable along... Agent: Foley And Lardner LLP Suite 500
20090274021 - Optical information recording/reproducing method and optical information recording/reproducing device: An acceleration pulse waveform adjusting circuit (10) and a deceleration pulse waveform adjusting circuit (11) change the amplitude of a track jump pulse in accordance to linear velocity, so as to stably carry out track jump over a wide range of linear velocities. In case tracking gain is to be... Agent: Wenderoth, Lind & Ponack L.L.P.
20090274022 - Optical disc device: A focus error signal is generated by a first-order diffracted light diffracted by regions 23b, 24b on a hologram plane 2a, and an offset of a tracking error signal is canceled by first-order diffracted light diffracted by regions 21a, 22a, 23a, 24a on the hologram plane 2a. Consequently, even when... Agent: Hamre, Schumann, Mueller & Larson P.C.
20090274025 - Methods and devices for controlling access to an optical disc: A device for controlling access to an optical disc includes a control word calculator and a numerically controlled oscillator (NCO). The control word calculator is arranged to calculate a control word corresponding to a radius where the optical disc is accessed. In addition, the NCO is arranged to generate an... Agent: North America Intellectual Property Corporation
20090274026 - Optical storage medium, information recording apparatus, and information reproducing apparatus: An optical storage medium can be provided by which illegal usage of the optical storage medium involving an infringement on the copyright can be prevented effectively without impairment of the functions for reproducing physical format information and optical storage medium manufacturing information. The optical storage medium includes a main information... Agent: Hamre, Schumann, Mueller & Larson P.C.
20090274023 - Disc drive and photo-detector circuits: A method of reducing power dissipation in a variable-gain photo-detector circuit is described. The variable-gain photo-detector circuit has an output to output a main spot signal and at least one side spot signal. The main spot (M) and the side spot (Si or S2) are formed by separating a light... Agent: Philips Intellectual Property & Standards
20090274024 - Optical-irradiation-power calibration method and information recording/reproducing unit: The optical information recording/reproducing unit distinguishes an unrecorded area of a set optical disc (step A100). Thereafter, recording is performed in the unrecorded area under a plurality of recording conditions wherein the recording power is changed with a bias power being constant, to select a recording power providing an optimum... Agent: Nec Corporation Of America
20090274027 - Storage device and its drive startup method: The time required for starting up drives in a storage device mounted with both hard disk drives and solid state drives is shortened. A storage controller of the storage device identifies the type (HDD/SSD) of the mounted drives before starting up the drives. The storage controller thereafter performs staggered spinup... Agent: Mattingly & Malur, P.C.
20090274028 - Multi-bit phase alignment for synchronization mark pattern matching: Embodiments of the present invention relate to the detection of synchronization marks in data storage and retrieval. To detect a synchronization mark, embodiments of the present invention require both pattern matching and proper phase alignment, following a repeating synchronization field. According to one particular embodiment, proper phase alignment following a... Agent: Townsend And Townsend And Crew LLP
20090274029 - Optical pickup and information device: An optical pickup (100) includes: (i) a light source (101) for emitting a laser beam; (ii) an optical system (105, etc.) for introducing the laser beam into one of recording layers; (iii) an optical function element (104) for changing a predetermined polarized state in the laser beam in the unit... Agent: Nixon & Vanderhye, PC
20090274030 - Optical pickup and optical disc apparatus: A base of an optical pickup includes a first bearing portion through which one of two guide shafts disposed in parallel to each other is inserted and a second bearing portion through which the other guide shaft is inserted, and is slidable along the two guide shafts. Under the first... Agent: Morgan Lewis & Bockius LLP
20090274031 - Optical pickup and information device: An optical pickup for irradiating an information recording medium, such as a DVD, with a laser beam when an information signal is recorded or reproduced, and information equipment provided with the optical pickup.... Agent: Nixon & Vanderhye, PC
20090274032 - Optical disc device: This optical disc drive can read and/or write data from/on an optical disc 20 with multiple information layers including first and second information layers. The drive includes: a light source 3, 4 that emits the light beam; an objective lens 1; an actuator 2 for moving the objective lens perpendicularly... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090274033 - Optical recording medium and production method therefor, and sputtering target and production method therefor: An optical recording medium includes a substrate having features that define track regions, an optical recording layer disposed on the substrate, and a light-transmitting layer disposed on the optical recording layer. The optical recording layer has a composition of (Sb2Se3)wTexOyPdz, where w, x, y, and z each represent a molar... Agent: K&l Gates LLP
20090274034 - Optical recording medium, visible information recording method and method for using dye compound: In Formula (1), Ra1, Ra2, Ra3, Rb1, Rb2 and Rb3 each independently represent a hydrogen atom, or a monovalent substituent (Ra2 and Ra3 may bonded to each other to form a 5-membered to 7-membered heterocyclic ring), A represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aryl group,... Agent: Sughrue Mion, PLLCPrevious industry: Horology: time measuring systems or devices
Next industry: Multiplex communications
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