|Dynamic information storage or retrieval patents - Monitor Patents|
USPTO Class 369 | Browse by Industry: Previous - Next | All
05/2009 | Recent | 15: May | Apr | Mar | Feb | Jan | 14: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 13: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 12: Dec | Nov | Oct | Sep | Aug | July | June | May | April | Mar | Feb | Jan | 11: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 10: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | | 09: Dec | Nov | Oct | Sep | Aug | Jl | Jn | May | Apr | Mar | Fb | Jn | | 2008 | 2007 |
Dynamic information storage or retrieval May archived by USPTO category 05/09Below 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. 05/28/2009 > patent applications in patent subcategories. archived by USPTO category
20090135683 - Drive mechanism and optical head: A drive mechanism according to the present invention includes: a drive body that defines a longitudinal direction; a mover that makes a friction fit with the drive body so as to slide in the longitudinal direction; a base member that supports the drive body so as to allow the drive... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090135684 - Defocus detection device, defocus detection method and optical disk unit using the same: Defocus detection device and method capable of detecting a defocus accurately during recording of information to an optical disk having a plurality of recording layers and an optical disk unit using the device and method are provided. A temporal restriction is imposed on defocus detection and besides, in comparison with... Agent: Townsend And Townsend And Crew, LLP
20090135686 - Offset compensation method for laser power control circuit: A method for compensating the offset of a laser power control circuit, which predetermines a fixed reference voltage, adjusts the offset voltage by adding the reference voltage, outputs a summed voltage to a pick-up head, tries to ignite the pick-up head, detects the voltage of the pick-up head, checks whether... Agent: North America Intellectual Property Corporation
20090135687 - Optical head, control method for optical head, and optical information processing apparatus: An optical head includes a hologram which extracts, from a luminous flux of reflected light from an optical disk, at least a first luminous flux branch which does not include the optical axis of the luminous flux; and a photodetector which receives the reflected light from the optical disk and... Agent: Ratnerprestia
20090135688 - Method and device for printing on optical recording medium and optical recording medium: A printing method applied to an optical recording medium including a recording/playback functional layer enabling recording or playback by a laser beam, an information recording/playback surface irradiated with the laser beam, and a printing layer separated from the information recording/playback surface by the recording/playback functional layer. Address information used for... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20090135689 - Error recovery strategy for blu-ray discs: The invention relates to an optical recording device utilizing an error recovery strategy method which may be implemented in software code. The error recovery method comprise steps of stopping writing data to an extent upon detection of an error and writing the rest of the extent to another location in... Agent: Philips Intellectual Property & Standards
20090135691 - Method of and apparatus for recording data on write-once disc, method of and apparatus for reproducing data from write-once disc, and write-once disc therefor: A method and apparatus recording and/or reproducing data on/from a write-once disc, and a write-once disc therefor, the write-once disc having at least one recording layer including: a plurality of update areas in which predetermined updated information is recorded; and at least one access information area in which access information... Agent: Stein, Mcewen & Bui, LLP
20090135690 - Method of and appratus for immediately writing or reading files on a disc-like recording medium having control information on defect management stored in a predefined location and such a disc-like recoding medium: A method of recording digital information signals on a removable rewritable disc like recording medium, the method including recording user data on a logical area of the disc and, prior to removal of the disc out of a recording/reproducing apparatus, finalizing the disc with a lead-in and lead-out area comprising... Agent: Philips Intellectual Property & Standards
20090135692 - Apparatus and method for determining write strategy, and apparatus and method for recording data: An apparatus and method for determining an optimal write strategy when recording data onto an optical disk, and an apparatus and method for recording data, the method of determining a write strategy including: recording test data for each size of marks and spaces based on a plurality of write strategies;... Agent: Stein, Mcewen & Bui, LLP
20090135693 - Data recovery through eliminating adjacent track interference: A hard disk drive with a disk that contains a target track and an adjacent track. The drive includes a circuit that determines an error in data read from the target track. Data from the adjacent track is stored in memory. The adjacent track is then erased and the target... Agent: Irell & Manella LLP
20090135694 - Device and method for detecting disc defect: A method for detecting a typical defect area on a disc track includes the following steps. Firstly, a source signal is provided. Then, first and second signals are generated according to the source signal. The first and second signals are held at the peak level of the source signal and... Agent: Wpat, PC
20090135695 - Method of detecting an abnormal disc: A method of detecting an abnormal disc is provided. Firstly, an objective lens is moved along a one-way path for enabling the light beam of the objective lens to pass through the data layer of a disc. Next, the path having RF signal is detected and recorded. Then, whether the... Agent: Bacon & Thomas, PLLC
20090135696 - Optical disc apparatus and selection method for evaluation methods of recording quality: An optical disc apparatus in which a β method using a β value showing asymmetry of an amplitude of a reproduction signal or a κ method using a modulation degree of the reproduction signal is executed as an evaluation method of evaluating recording quality of data in an optical disc,... Agent: Mcdermott Will & Emery LLP
20090135697 - Method for distinguishing optical discs: The invention is to provide a method for distinguishing optical discs, which first locks a focus on a data layer of an optical disc to cross the grooves and the lands of the optical disc, then starts testing and counting the time for testing, records a detected RF signal, checks... Agent: North America Intellectual Property Corporation
20090135698 - Disk controller and storage system: Proposed is a disk controller capable of notifying that a hard disk drive needs to be replaced even when the power of such hard disk drive is turned off. When a controller is to control the supply of electrical power to a disk in the respective disk units, the controller... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090135699 - Offset compensator and optical disc drive using the same: The generation of a pseudo-lock is prevented in a JFB offset compensator whose use has been conventionally limited due to a tendency to generate the pseudo-lock, and performance degradation of a PLL and a Viterbi decoder is suppressed. A means for monitoring an offset of a read signal is provided... Agent: Mattingly & Malur, P.C.
20090135700 - Storage controller and storage controller control method: A storage controller of the present invention makes use of the differences in power rates by time zone and geographic region to control the data storage destination between storage devices of different power consumption. The storage controllers of respective sites each comprise a hard disk and flash memory device, which... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090135701 - Optical pickup device and optical disc device: [Solution Means] An optical pickup device includes a first light emitting portion emitting a first light beam with a first wavelength, a second light emitting portion emitting a second light beam with a second wavelength, a third light emitting portion emitting a third light beam with a third wavelength, an... Agent: Birch Stewart Kolasch & Birch
20090135702 - Optical recording medium, optical recording apparatus, optical recording method, and optical reproducing method: The present invention aims to provide an optical recording medium that is provided with a recording layer for recording information by holography, has an uncomplicated laminate structure, is capable of performing recording and reproducing control such as tracking control and is capable of high-density multiple recording, as well as an... Agent: Sughrue Mion, PLLC
20090135703 - Holographic recording medium: This invention is a holographic recording medium including a track in which position information to specify a recording position and a reproducing position of page data is formed. The position information of the track is formed of position detection patterns. The position detection patterns each including a first detection mark... Agent: Greer, Burns & Crain
20090135704 - Retaining body and the like: The retaining body of the invention is a retaining body 15 of a diffraction grating 41 attached to a base 2 of an optical pickup P. The retaining body 15 includes a main body 16, first retaining means 15a which retains a diffraction grating 41 while the diffraction grating 41... Agent: Sughrue Mion, PLLC
20090135705 - Optical pickup and optical disc device: An optical pickup for performing recording and/or playback of information by selectively irradiating the corresponding wavelength optical beam to first through third optical discs having a protection layer with different thickness, includes emission units for emitting first-wavelength through third-wavelength optical beams corresponding to the respective optical discs respectively, a condensing... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20090135706 - Optical recording medium, and optical recording method and optical recording apparatus thereof: The present invention provides an optical recording medium including a substrate and a recording layer on the substrate having a squarylium metal chelate compound with a central metal. The recording layer includes a mixture of squarylium metal chelate compounds having ligands of the same type as well as metals of... Agent: Cooper & Dunham, LLP
20090135707 - Information recording device and method, computer program and information recording medium: An information recording/reproducing device (300) is provided with (i) a recording element (302 or the like) for recording information at least in a second recording layer by laser beams passed through a first recording layer; (ii) a record control element (305 or the like) for controlling a recording element to... Agent: Young & Thompson
20090135711 - Information readout method for non mask layer type optical information medium: An information readout method for an optical information medium comprising an information recording layer having pits or recorded marks representative of information data involves the step of irradiating a laser beam to the information recording layer through an objective lens for providing readings of the pits or recorded marks. When... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20090135709 - Information recording carrier: Plural grooves or lands formed in an information recording carrier include at least a wobbling region and data is recorded wobblingly in this wobbling region by frequency shift modulation while recorded digitally with a single or multiple waves as a channel bit.... Agent: The Nath Law Group
20090135710 - Information recording carrier: Plural grooves or lands formed in an information recording carrier include at least a wobbling region and data is recorded wobblingly in this wobbling region by frequency shift modulation while recorded digitally with a single or multiple waves as a channel bit.... Agent: The Nath Law Group
20090135708 - Optical disk system, optical disk recording apparatus, image drawing method and optical disk: The invention provides an optical disk system having at least: an optical disk comprising, on a substrate having pre-pits, an image-recording layer capable of drawing an image by irradiating a laser light; and a reading device which reads information included in the pre-pits by a return light of the laser... Agent: Taiyo Corporation
20090135712 - Solid immersion lens and focusing lens, optical pickup device, and data recording/reproducing apparatus using the same: A solid immersion lens (SIL) is provided. The SIL includes a spherical part, a cone-shaped part, a tip part, and an edge part between the cone-shaped part and the tip part. The edge part includes a curved surface.... Agent: Wolf Greenfield & Sacks, P.C.05/21/2009 > patent applications in patent subcategories. archived by USPTO category
20090129212 - Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk device: The present invention provides a magnetooptic device, a magnetooptic head, and a magnetic disk drive each capable of performing optically assisted magnetic recording and each having a small size, improved recording density, and a higher transfer rate. In a magnetooptic device, a magnetic circuit including a magnetic gap and a... Agent: Oliff & Berridge, PLC
20090129213 - Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk device: The present invention provides a magnetooptic device, a magnetooptic head, and a magnetic disk drive each capable of performing optically assisted magnetic recording and each having a small size, improved recording density, and a higher transfer rate. In a magnetooptic device, a magnetic circuit including a magnetic gap and a... Agent: Oliff & Berridge, PLC
20090129214 - Memory control device: To provide a memory control circuit in which the bandwidth that is required for the refresh operation is appropriately divided so as to perform smoothing of the peak bandwidth for the memory accesses, and thereby the refresh operations that are required can be accomplished with a low peak bandwidth. A... Agent: Wenderoth, Lind & Ponack L.L.P.
20090129215 - Storage medium library device and storage medium library device cartridge transporting method: To provide a plurality of magazines very closely by saving the space for forming the moving path that is required for allowing a cartridge transporting device to move. A movable magazine that is capable of moving in the lateral direction individually is provided between a first and a second fixed... Agent: Nec Corporation Of America
20090129216 - Device and method for use in optical record carrier systems: A signal-processing device (301) for controlling a focus actuator (309) in an optical disc system (30), wherein the signal processing device (309) generates a focus actuator control signal (CS) to be supplied to the focus actuator (309). The focus actuator control signal (CS) is based on a focus error signal... Agent: Wpat, PC
20090129217 - Optical information recording apparatus: A rewritable optical disk apparatus, optical information recording and reproducing apparatus or the like is allowed to automatically and properly adjust the optical system to the optimum focal condition regardless of the readout signal detector's positional error and the residual aberration in the optical system. The spherical aberration and defocus... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090129218 - Optical disk device: There is provided an optical disk device in which no deterioration in playability at resisting vibrations in a disk servo system is generated by inadvertently recognizing it is in a non-vibrating state irregardless of it is in a vibrating state in a disk servo system. By providing two threshold values... Agent: Wenderoth, Lind & Ponack L.L.P.
20090129219 - Recording/reproducing apparatus: In order to solve the above-described problems, in a camera using a BD as a recording medium, in order to prepare a menu compliant with a standard even when the finalizing is not required for the reproduction compatibility of a BD player, an application for a finalizing process is prepared... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090129220 - Information recording medium, information reproducing apparatus and method, and apparatus for and method of manufacturing the information recording: An information recording medium (100) is provided with (i) a first information recording area wherein a first track for reproducing first information based on a first track pitch is formed by a laser beam, and (ii) a second information recording area wherein a second track for reproducing second information based... Agent: Young & Thompson
20090129221 - Write-once optical disc and method for recording management information thereon: A write-once optical disc and a method and apparatus for recording management information of the write-once optical disc, are provided. The method includes closing an opened session by closing all opened sequential recording-units of the opened session, opening a new session having a new sequential recording-unit, and recording session start... Agent: Birch Stewart Kolasch & Birch
20090129222 - An optical drive with a varying bandwidth: The invention discloses a method for operating an optical drive for e.g. a CD, DVD, HD-DVD or a BD disk. More specifically, the invention may improve the signal to noise ratio (SNR) and/or the carrier to noise ratio (CNR) during readout from an optical carrier by an optical drive by... Agent: Philips Intellectual Property & Standards
20090129224 - Optical disk device and recording method: An optical disk device includes a test recording portion, a power control portion, a recording portion and a power correction portion. The power control portion determines a first recording power to record recording information to the optical disk based on test information recorded by the test recording portion. The power... Agent: GlobalIPCounselors, LLP
20090129225 - Optical information recording method, optical information recording device and optical information recording medium: The present invention provides an optical information recording apparatus and method capable of effectively determining appropriate recording parameters in a short time with favorable efficiency, when recording information onto an optical disk having different information recording conditions and information recording characteristics. An information recording condition or an information recording characteristic... Agent: Hamre, Schumann, Mueller & Larson, P.C.
20090129223 - Phase-change optical information recording medium and method for recording and recording apparatus using the same: Provided by the present invention is a method for recording on a phase-change optical information recording medium including irradiating “m” number of heating pulse with power Pw and “m” number of cooling pulse with power Pc when recording a mark of n˜Tw time length, and changing a preset value of... Agent: Dickstein Shapiro LLP
20090129226 - Write-once optical disc, and method and apparatus for recording/playback management information on/from optical disc: An apparatus and method for recording and reproducing data are discussed. According to an embodiment, the present invention provides an apparatus for recording management information on a writable recording medium, the recording medium including one or more temporary management areas being used in a designated order for storing therein temporary... Agent: Birch Stewart Kolasch & Birch
20090129227 - Method for recovering data in disk: A method for recovering video data in a disk when a reading error occurs is provided. First, the disk is scanned to obtain a next writable address (NWA) of a last video chapter previously recorded into the disk. An end address of a successfully recorded video chapter is then read... Agent: Jianq Chyun Intellectual Property Office
20090129228 - Logic circuit and method for controlling display lights of hard disk: A logic circuit, for controlling display lights of a hard disk, includes a flip-flop, a logic gate and a buffer. The flip-flop receives a clock signal, a reset signal and a data signal and generates an output signal, in which the clock signal and the reset signal are obtained by... Agent: Joe Mckinney Muncy
20090129229 - Method and apparatus for reproducing data: A method and apparatus for reproducing data, by which the quality of signals input to a Viterbi decoder are improved by using a two-step equalizer, and the Viterbi decoder is operated in an optimum state so that the quality of reproduction signals is improved, the apparatus including: a first equalizing... Agent: Stein, Mcewen & Bui, LLP
20090129230 - Light guide: A light guide is provided. The light guide has an uneven light input face and even side faces, which are arranged directly downstream of the light input face. Furthermore, an optoelectronic component with such a light guide is provided.... Agent: Fish & Richardson PC
20090129231 - Light guide: The invention provides an optical disc capable of recording and reproducing information using laser light. Specifically, the invention provides an optical disc on which a drawing of a visible image can be also performed using laser light, a stamper suitable for manufacturing the optical disc, a method for manufacturing the... Agent: Taiyo Corporation
20090129232 - Storage medium, reproducing method, and recording method: According to one embodiment, a write-once type information storage medium using a recording material which has a low to high characteristic that a light reflectivity in a recording mark increases with respect to a non-recording area and which has a recording characteristic in accordance with a principle of recording without... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20090129234 - Hologram recording device and hologram recording method: A hologram recording device illuminates with a recording beam (S) a hologram recording medium (B), and illuminates with a reference beam (R) a region illuminated with the recording beam (p) while variably controlling the incident angle regarding the hologram recording medium (B) whereby holograms are recorded on the illuminated region... Agent: Greer, Burns & Crain
20090129233 - Shift-insensitive storage of information in page oriented optical data storage systems: A data page for optical data storage for an optical storage system, i.e. a holographic storage system, is presented. The data page includes one or more areas, which are less sensitive against a movement of the data page in a movement direction of the storage medium. A holographic storage medium... Agent: Robert D. Shedd Thomson Licensing LLC
20090129235 - Optical pickup device: To suppress push-pull signals generated in the ± first-order diffraction rays, reflection rays from the optical disk 50 of a zeroth-order diffraction ray and ± first-order diffraction rays are detected, and signals corresponding to light reception results are output to a reproduction unit 150, a control unit 130, and an... Agent: Drinker Biddle & Reath (dc)
20090129236 - Optical pickup device: An optical pickup device includes a diffraction grating for separating laser light into a main beam and two sub beams, a photodetector having a sensor pattern for receiving the main beam and the sub beams reflected on a recording medium having multiple laminated recording layers respectively individually, and a diffraction... Agent: Ditthavong Mori & Steiner, P.C.
20090129237 - Beam shaping module: A beam shaping module capable of receiving a polarized beam from a light source is disclosed, which comprises: a beam splitter, capable of splitting the polarized beam into a first beam and a second beam wherein the polarization directions of the first beam and the second beam are perpendicular to... Agent: Wpat, PC
20090129240 - Gap controller and optical information processor: A gap controller according to the present invention can set a reference level reasonably for a gap control that needs to be done to keep the gap between a solid immersion lens (SIL) and an optical disc constant. With the gap varied at a substantially regular step, gap detection signal... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090129238 - Objective lens: A combined aspherical lens has an aspherical shape with an intermediate substrate thickness between the substrate thicknesses of a BD and an HD in a numerical aperture (NA) range for the HD, and an aspherical shape dedicated to the BD in an NA range for the BD only. The lens... Agent: Mattingly & Malur, P.C.
20090129239 - Optical pickup device: In laser welding an optical part to a pickup case of an optical pickup device, outgas deposition on a lens surface can be inhibited, and positional shifting of the optical part can be reduced. The optical part has a lens surface facing in an optical axis direction and a protruding... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090129244 - Compact pickup for micro optical drive: The invention relates to a compact optical pickup for a micro optical drive, and to a micro optical drive using this compact optical pickup. According to the invention a pickup for optical recording media includes a light source for generating a light beam for reading from and/or writing to an... Agent: Joseph J. Laks Thomson Licensing LLC Patent Operations
20090129245 - Optical pickup apparatus: An optical pickup apparatus comprising: an objective lens focusing laser light emitted from a laser diode to a signal recording layer of an optical disc; a photodetector including a substantially square light-receiving region made of first to fourth sensors divided by boundaries in a first direction corresponding to a tracking... Agent: Fish & Richardson P.C.
20090129246 - Environmental management of a probe storage device: A system for storing information comprises a package including a lid, a bowl mateable with the lid, and leads extending from an interior of the package to an exterior of the package. A magnet structure includes a first flux plate and a magnet and is fixedly connected with the lid... Agent: Fliesler Meyer LLP
20090129247 - Method and system for improving domain formation in a ferroelectric media and for improving tip lifetime: An information storage device comprises a ferroelectric media, write circuitry to provide a first signal and a second signal to the ferroelectric media, a tip platform and a cantilever operably associated with the tip platform. A tip extends from the cantilever toward the ferroelectric media and includes a first conductive... Agent: Fliesler Meyer LLP
20090129249 - Information storage medium and method of recording and/or reproducing with respect to the medium: An information storage medium includes an area in which updated disc-related information and recording-related information updated with a change in at least one of a disc version number and a recording speed is recorded along with existing disc-related information and recording-related information. The existing disc-related information and recording-related information are... Agent: Stein, Mcewen & Bui, LLP
20090129248 - Small form factor optical disc drive for use in mobile electronic device: A small form factor disc drive is structured to hold and play an optical data storage disc measuring approximately 32 mm in diameter and containing 1 GB of data per layer. The disc drive contains a blue wavelength laser, an objective lens having a numerical aperture in the range of... Agent: Patentability Associates
20090129250 - Information recording apparatus and method and computer program: An information recording apparatus (300) comprises a first acquiring means that acquires both (i-1) control information (UDF-VAT) for controlling the order of recording or reproducing recorded information and (i-2) virtual reference information (VAT) that can be determined by the control information and by an address indicative of the position of... Agent: Young & Thompson
20090129251 - Recording medium containing moving picture data and additional information thereof and reproducing method and apparatus of the recording medium: The present invention relates to a recording medium containing moving picture data and additional information thereof and to reproducing method and apparatus of the recording medium. The present recording medium has script files including additional information about moving picture data, e.g., scene descriptive text and introduction of characters, etc. In... Agent: Harness, Dickey & Pierce, P.L.C
20090129253 - Optical disc and method for image forming thereon: The present invention provides an optical disc on which a visible image can be formed by irradiation of laser light, which comprises a logo area on which visible information is indicated, a pre-pit signal area, and an image forming area on which a visible image can be formed by irradiation... Agent: Taiyo Corporation
20090129254 - 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
20090129252 - Record medium, its manufacturing method, mother disc for record medium, and its manufacturing method: Binary information previously recorded in an innermost rim side area is enabled to be stably reproduced. A record medium is formed by sequentially laminating a first information layer 2, an intermediate layer 3, a second information layer 4, and a cover layer 5 onto a substrate 1. First grooves are... Agent: Sonnenschein Nath & Rosenthal LLP
20090129255 - Recording method, master for optical disk, and optical recording medium: A recording method whereby an inorganic resist made of an incomplete oxide of a transition metal is formed as a film onto a substrate and a latent image corresponding to pits is formed onto the inorganic resist by exposure. The exposure is performed by a laser beam whose intensity has... Agent: Robert J. Depke Lewis T. Steadman
20090129256 - Information recording medium information recording device and method, information reproducing device and method, and computer program: An information recording medium (100) is provided with (i) a read only area (ROA1 and the like) whereupon read only information is previously recorded by forming embossed pits; (ii) a data area (102) wherein recording information can be recorded; (iii) a first management area (CDZ) wherein first position information (10)... Agent: Young & Thompson05/14/2009 > patent applications in patent subcategories. archived by USPTO category
20090122658 - Magnetic recording device, especially for a hard disk and its manufacturing process: A magnetic recording device comprising at least one unstructured recording support exhibiting at least one elementary magnetic layer, the recording support having a magnetization perpendicular to the plane of the support characterized in that it comprises magnetic elements having a magnetization perpendicular to the plane of the support and a... Agent: Alston & Bird LLP
20090122659 - Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk device: The present invention provides a magnetooptic device, a magnetooptic head, and a magnetic disk drive each capable of performing optically assisted magnetic recording and each having a small size, improved recording density, and a higher transfer rate. In a magnetooptic device, a magnetic circuit including a magnetic gap and a... Agent: Oliff & Berridge, PLC
20090122660 - 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
20090122661 - Disc changer: The invention provides a disc changer including a plurality of trays which can be moved respectively in a horizontal direction, a tray driving gear unit capable of shuttling the trays between a standby position and a disc exchange position, a gear driving mechanism for driving the tray driving gear unit,... Agent: Wenderoth, Lind & Ponack L.L.P.
20090122662 - Optical pickup: A spherical aberration correction mechanism includes an aberration correction lens, a movable portion for supporting the aberration correction lens, a fixing portion for supporting the aberration correction lens, in which the movable portion is disposed in a slidable manner, a shaft for supporting the movable portion in a rotatable manner... Agent: Morgan Lewis & Bockius LLP
20090122664 - Optical disc apparatus and spherical aberration correcting method: An optical disc apparatus corrects spherical aberration by moving a movable lens along an optical axis direction. A spherical aberration correcting method in the optical apparatus includes: a step to obtain data which relates to a most appropriate adjusted position of the movable lens in the optical disc apparatus utilizing... Agent: Morgan Lewis & Bockius LLP
20090122663 - Optical disk device: The optical disc apparatus according to the present invention includes a tilt detecting means; a coma aberration correcting means; and a spherical aberration correcting means. Based on the result of a tilt detection, the amount of the correction performed by the coma aberration correcting means is determined so that the... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090122666 - Limited use memory device with associated information: 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
20090122665 - Method of controlling playback condition, optical disk, optical disk drive device and program: Playback durability of a writable optical disk is ensured. A method of controlling a playback condition includes continuously irradiating an optical disk with a laser beam having a power level lower than a mark formation level and detecting a change of a state of a signal caused by a return... Agent: Knobbe Martens Olson & Bear LLP
20090122668 - Write-once optical disc, and method and apparatus for recording management information thereon: A write-once optical recording medium and a method and apparatus for recording management information on the recording medium, are provided. The recording medium includes at least one recording layer and SRR information on the recording layer. The SRR information pertains to at least one SRR and includes a header, an... Agent: Birch Stewart Kolasch & Birch
20090122667 - Write-once type optical disc, and method and apparatus for managing defective areas an write-once type optical disc: A recording medium and a method and apparatus for managing a defective area on the recording medium are provided. The method includes detecting an existence of a defective area within the data area of the recording medium; replacing the defective area with a replacement area in the spare area if... Agent: Birch Stewart Kolasch & Birch
20090122670 - 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
20090122672 - Information recording medium and recording and/or reproducing apparatus and method: An information recording medium and a recording and/or reproducing apparatus and method used to guarantee reproduction compatibility in consideration of the fact that content distribution may be performed according to various business models includes a management information zone in which management information is recorded, wherein the management information indicates an... Agent: Stein, Mcewen & Bui, LLP
20090122671 - Method and apparatus for recording data on and reproducing data from a recording medium and the recording medium: In an embodiment of the method of recording data on a recording medium, a next recordable position of a recording range is notified to a host. A replacement for data requested to be recorded is performed at a first area of the recording range by recording sequentially the data requested... Agent: Harness, Dickey & Pierce, P.L.C
20090122669 - Optical disc device: An optical disc drive according to the present invention can write data on both a write-once disc and a rewritable disc. The drive includes: a disc recognizing section 110 for recognizing the type of a given optical disc as a write-once disc or a rewritable disc; and track skipping detection... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090122673 - Method for optimizing recording pulse condition in data recording onto optical information recording media: A specific recording pattern is sequentially written onto an optical disc using each of three sets of recording pulse conditions as trial writing. The recording patterns are reproduced sequentially. Edge shift amounts of a mark which corresponds to each of three sets of recording pulse conditions are measured from a... Agent: Wenderoth, Lind & Ponack L.L.P.
20090122674 - Optical disc recording and reproduction device and an optical disc recording and reproduction method: Trial writing is made by recording waveform different from that used to record information in a disc. In the trial writing, particularly, the strategy having short cooling time or large cooling power is used to make recording, so that the jitter characteristic having clear difference between jitters in magnitude can... Agent: Townsend And Townsend And Crew, LLP
20090122676 - Evaluation apparatus, evaluation method, and program: i
20090122677 - Recording medium, method and apparatus for managing a file system information of the recording medium: A recording medium, method and apparatus for managing a file system information of the ‘recording medium are disclosed. Herein, information for identifying a file system type (or a file system identifier) within a high density recording medium, such as a blu-ray disc, is recorded, and such a file system identifier... Agent: Harness, Dickey & Pierce, P.L.C
20090122675 - Method for determining optimal operating parameters for reading or writing a storage medium: A method for determining optimal operating parameters for reading or writing a storage medium, with the consideration of failed experiment. In an embodiment of the invention, if one of a set of experiments, executed within pre-defined ranges with respect to two parameters, leads to an invalid characteristic measurement value, and... Agent: Bacon & Thomas, PLLC
20090122678 - Device and method for generating track-crossing signal in optical disc drive: A track-crossing signal generator includes a bottom envelope detecting unit, a defect detector, an auto gain control unit, and an amplifier. The bottom envelope detecting unit receives a radio frequency signal, and outputs a bottom envelope signal. The defect detector is electrically connected to the bottom envelope detecting unit for... Agent: Wpat, PC
20090122679 - Recording method, reproduction method, recording apparatus, reproduction apparatus, and information recording medium: A recording method for recording, on a write once type information recording medium, management information representing a recording state of the write once type information recording medium is provided. The information recording medium includes data including a first synchronization signal. The information recording medium has a second synchronization signal pre-recorded... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090122680 - Method for determining a parameter space for finding optimal operating parameters for reading or writing a storage medium: A method for determining a parameter space for finding optimal operating parameters for reading or writing storage medium is provided. In an embodiment of the invention, the method includes: setting a first parameter range of a first operating parameter and a second parameter range of a second operating parameter; normalizing... Agent: Bacon & Thomas, PLLC
20090122681 - Disk accommodating device, disk apparatus and electronic apparatus: A disk accommodating device for accommodating a disk includes a housing on which an opening portion for allowing the disk to be accommodated into a disk accommodating section therethrough is formed, and a lid member for closing up the opening portion. The housing has a support portion for supporting a... Agent: Katten Muchin Rosenman LLP
20090122682 - Recording and/or reproducing method, recording and/or reproducing apparatus and information storage medium: An information storage medium including two or more recording layers to reproduce or record data by using a same reproducing and/or recording optical system per layer includes error correction code (ECC) blocks recorded onto the two or more recording layers by using two or more data formats used to store... Agent: Stein, Mcewen & Bui, LLP
20090122683 - Optical disc playback device: An optical disc playback device has a signal generating section, a shift set section, a shift drive section, a position storage section, an ascent/descent set section and an ascent/descent drive section. The signal generating section generates a focusing error signal and a tracking error signal and also outputs a RF... Agent: Morgan Lewis & Bockius LLP
20090122684 - Disc authentication by grayscale image in data area obtained by modulation rule variation (old title): The present principles provide a way to place a multilevel grayscale image, visible with the bare eye in the data area of an optical disc. This feature can be used to authenticate a legitimate disc, since the image features are lost when copying a disc either with a PC recording... Agent: Robert D. Shedd Thomson Licensing LLC
20090122685 - Information recording and/or reproducing apparatus having two photodetectors to control the light intensity of two light sourceswith different wavelengths: An apparatus for effecting at least one of recording and reproducing information includes first and second light sources having light intensity and for emitting a light beam having an emission wavelength different from each other, first and second photodetectors capable of generating an output, an optical system configured to guide... Agent: Fitzpatrick Cella Harper & Scinto
20090122686 - Method of focus capture in an optical drive: The invention relates to a new method for focus capture in an optical drive comprising a collimator lens. Use is made of the pre-programmed collimator lens position to secure a baseline position of the laser spot at a position with respect to an optical record carrier placed in the optical... Agent: Philips Intellectual Property & Standards
20090122688 - Optical disk apparatus: An optical disc apparatus includes: a first signal generating portion which generates a first signal that is obtained by processing signal which is output from the photo detecting portion, and which shows a peak in case where a focus position of an objective lens is matched on a recording surface... Agent: Morgan Lewis & Bockius LLP
20090122687 - Optical pickup: An optical pickup includes a semiconductor laser, a beam splitter, a collimating lens, an objective lens, an aperture and a front monitor. The beam splitter splits a light beam emitted by the semiconductor laser into transmitted light and reflected light. The front monitor detects luminous energy of the transmitted light.... Agent: GlobalIPCounselors, LLP
20090122689 - Optical reading method and optical reading system: An optical reading method which suppresses variations in the reading quality of a low-reflection optical recording medium. The optical reading method is to read information from an optical recording medium by irradiating the medium with read laser light having a wavelength λ of 400 to 410 nm. In this method,... Agent: Mathews, Shepherd Mckay & Bruneau, P.A.
20090122690 - Optical disc including a learning area having first and second regions, and methods for reproducing and recording data on the optical disc: When recording or reading an optical disc having plural data recording layers, which data recording layer the light spot is focused on is detected to improve playback signal quality and signals written to the layer on which the light spot is focused are read more reliably. A convergent lens converges... Agent: Wenderoth, Lind & Ponack L.L.P.
20090122691 - Locking aid for high density bd-rom discs: The present invention relates to information carriers in general and high density discs such as Blu-ray discs in particular. According to the invention a system is provided comprising an information carrier (1) and an apparatus for accessing said information carrier The information carrier having recording unit blocks (400), comprising a... Agent: Philips Intellectual Property & Standards
20090122692 - Recording medium containing moving picture data and additional information thereof and reproducing method and apparatus of the recording medium: The present invention relates to a recording medium containing moving picture data and additional information thereof and to reproducing method and apparatus of the recording medium. The present recording medium has script files including additional information about moving picture data, e.g., scene descriptive text and introduction of characters, etc. In... Agent: Harness, Dickey & Pierce, P.L.C
20090122693 - Optical recording medium: An optical recording medium of improved recording and reading characteristics, having both a read-only information recording layer and an information recording layer. The optical recording medium includes information recording layers capable of recording and reading by irradiation of laser light having a wavelength λ of 400 to 410 nm through... Agent: Mathews, Shepherd, Mckay & Bruneau, P.A.05/07/2009 > patent applications in patent subcategories. archived by USPTO category
20090116344 - Information recording method, information recording medium, and information recording apparatus: An information recording method recording information on an information recording medium in the form of a recording mark having a time-length nT by irradiating optical beam pulses thereto according to a recording strategy, the recording strategy comprises the steps of forming the recording mark on the recording medium by controlling... Agent: Cooper & Dunham, LLP
20090116345 - Objective lens actuator: An objective lens actuator in an optical pickup, having a semiconductor laser diode, electro-optic parts, such as a lens or the like, as well as, the objective lens actuator, etc., in a case, comprises: a holder, which mounts an objective lens and a coil thereon, as being a movable part;... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090116346 - Optical recording/playback device and medium differentiation method: There is provided a recording/playback device able to differentiate the type of an optical disc or another such optical recording medium with a high degree of precision while correcting wavefront aberrations. The recording/playback device has a detection part for sequentially detecting the surface of a cover layer and one or... Agent: Sughrue Mion, PLLC
20090116347 - Optical disc apparatus and seek processing method: An optical disc apparatus of the present invention includes an optical head (103) including a lens disposed at a position shifted from a traverse axis in a tangential direction, a traverse motor (104) as a second moving unit that moves the optical head (103) in a direction traversing tracks of... Agent: Hamre, Schumann, Mueller & Larson P.C.
20090116348 - Off-track detection circuit: In a state where vibration is constantly detected, a protection function by a vibration detection circuit loses effectiveness, and thereby there may possibly arise a malfunction of an off-track detection circuit due to a pseudo-generated off-track signal. An off-track detection circuit which is capable of preventing malfunction due to a... Agent: Wenderoth, Lind & Ponack L.L.P.
20090116349 - Information recording device and method, program storage medium, and program: The present invention relates to an information recording device and method, a program storage medium, and a program, wherein updated file system information can be recorded without changing a logical address. As shown to the upper side in FIG. 18, in the event that data has been recorded, upon a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20090116351 - Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc using tdma information: A recording medium of writable once type, and a method and apparatus for managing a defective area on the recording medium are provided. The method includes detecting an existence of a defective area within a data area of the recording medium once data are written onto the data area in... Agent: Birch Stewart Kolasch & Birch
20090116352 - Clock generating apparatus, magnetic disk apparatus, and write synchronization method: A recording apparatus detects a preamble, which is a series of patterns formed on a track, and generates a clock based on the preamble. The recording apparatus then detects a Sync mark, which is a predetermined pattern formed between the preamble and a Resync mark, calculates a predicted position of... Agent: Greer, Burns & Crain
20090116350 - Information recording apparatus and method and computer program: An information recording apparatus (1) comprises a recording means (501) that irradiates a laser beam (LB) having a predetermined power, thereby recording information onto an information recording medium (100); an adding means (550) that adds a weighting to at least one of a plurality of reproduction characteristics related to the... Agent: Young & Thompson
20090116353 - Circuits, architectures, apparatuses, systems, algorithms and methods and software for timing calibration for optical disc recording: The present disclosure relates to methods, software, and apparatuses for correcting reading and/or writing operations in an optical storage medium. The methods generally include reading a region of an optical storage medium to produce a readback signal, measuring timing offsets for a plurality of the data edges (including one or... Agent: The Law Offices Of Andrew D. Fortney, Ph.d., P.C.
20090116354 - Recording parameter setting device, program thereof, computer-readable recording medium containing the program, information recording medium, recording/reproducing device, and recording parameter setting method: A recording parameter setting device including a trial recording parameter setting section and a reproduced signal quality judging section. The reproduced signal quality judging section judges whether or not a reproduced signal obtained by reproduction of the trial recording carried out in accordance with the trial recording parameter satisfies a... Agent: Edwards Angell Palmer & Dodge LLP
20090116355 - Method and apparatus for accessing a disc: A record carrier of rewritable type, such as a BD-RE, is operable to perform multiple write operations. Optionally, such a record carrier can nevertheless be treated as a one time recordable record carrier, opening new opportunities for the users, like for example offering a level of protection of user-data therein... Agent: Philips Intellectual Property & Standards
20090116356 - Method for recording a visually detectable pattern on an optical record carrier, apparatus for recording a visually detectable pattern on a record carrier and instruction to be executed by the apparatus: An apparatus is described for recording a visually detectable pattern on a record carrier (40), comprising a first (10) and a second module (20). The first module (10) is arranged for: receiving information that specifies the visually detectable pattern, issuing a request to the second module to provide indications, indicative... Agent: Leydig Voit & Mayer, Ltd
20090116357 - Reproducing apparatus: In a reproducing apparatus, a reading unit reads an information signal from a storage medium, and a converter converts the information signal reproduced by the reading unit into a first digital signal by sampling the information signal in accordance with a reference clock signal with a predetermined frequency higher than... Agent: Canon U.s.a. Inc. Intellectual Property Division
20090116358 - Information recording medium and reproducing apparatus therefor: An environmental load information of an information recording medium is recorded on the information recording medium so as to recycle or dispose properly an information recording medium, which is not necessary any more. The information recording medium comprises a main information area (102) for recording or reproducing information and a... Agent: Connolly Bove Lodge & Hutz LLP
20090116360 - Optical recording medium, optical recording device, and optical reproducing device: An optical recording medium has a first recording layer, and a second recording layer contiguous to the first recording layer in a laminated direction. A recording operation is performed with respect to the first recording layer and the second recording layer in such a manner that frequency bands of reproducing... Agent: Ditthavong Mori & Steiner, P.C.
20090116359 - Optical scanning device: An optical scanning device for scanning an information layer of a first optical record carrier having a first cover layer thickness and an information layer of a second optical record carrier having a second, different cover layer thickness. The device includes an objective lens system for converging a radiation beam... Agent: Philips Intellectual Property & Standards
20090116361 - Recording method, recording and reproducing method, reproducing method, recording device, recording and reproducing device, and reproducing device for optical information recording and reproducing medium, and the optical information recording and reproduc: Optical information recording and reproducing medium 10 has two recording layers of first and second recording layers 12 and 14, from a laser beam incident surface side. In each control area 21, recording layer management information containing at least information indicating recording states of a plurality of areas into which... Agent: Whitham, Curtis & Christofferson & Cook, P.C.
20090116362 - Optical record carrier with a visually detectable pattern as well as an apparatus and a method for recording a visually detectable pattern on an optical record carrier.: A system is described comprising an optical record carrier and an apparatus for recording the optical record carrier. The apparatus comprises a facility (20) for generating a visually detectable pattern at a physical location on the record carrier (40), and a facility (20) for storing pattern information. The pattern information... Agent: Leydig Voit & Mayer, Ltd
20090116363 - Information storage device and storage media: In an information memory apparatus having minute areas for storing information arranged in x, y and z directions three-dimensionally, parallel rays are irradiated to a memory area MA in a direction perpendicular to a z-axis to take projection images of the memory area MA while rotating the memory area MA... Agent: Miles & Stockbridge PC
20090116364 - Optical pickup device: An optical pickup device according to the present invention includes: a first light source that outputs a first laser beam; a second light source that outputs a second laser beam; and an optical system that irradiates an information medium with the first and second laser beams. The information medium includes:... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090116365 - Optical recording medium and optical recording method:
20090116367 - Ferroelectric record carrier, its method of manufacture and micro-tip recording system incorporating same: The present invention relates to a data record carrier of the type with ferroelectric memory layer, its method of manufacture and a micro-tip recording system incorporating same. The invention applies in particular to computer-based or multimedia applications requiring high memory capacities. A record carrier according to the invention comprises a... Agent: Alston & Bird LLP
20090116366 - Preload modulation to reduce head motion hysteresis: An apparatus includes a data storage media and a plurality of heads, the data storage media and heads being structured and arranged for relative movement between the heads and storage media causing the heads to move along a scan path, and an actuator for changing a magnitude of head to... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP
20090116368 - Method and system for determining disc format for recovery of data recording: A method for determining a disc format is disclosed. Data from at least one address of the disc is retrieved, wherein the at least one address is selected from a plurality of predetermined addresses related to the disc format. The disc format is determined according to the retrieved data.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP
20090116369 - Optical information recording medium: An optical information recording medium includes a disk-like substrate having a hole in a central portion thereof, and a light-reflective layer, a dye recording layer containing an organic dye, an intermediate layer composed of an inorganic substance, and a light-transmissive layer composed of a resin disposed in that order on... Agent: Knobbe Martens Olson & Bear LLP
20090116372 - Optical recording medium: There is disclosed an optical recording medium having at least a recording layer provided on a light-transmissive substrate having grooves and lands with prepits, wherein said lands are generally rectangular or trapezoidal in cross section having a top surface and sidewalls, as well as a specified land height (h1), and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20090116370 - Recording medium having a substrate containing microscopic pattern of parallel groove and land sections and recording/reproducing equipment therefor: An information recording medium 1 at least comprises a substrate 13 having a microscopic pattern 20, which is constituted by a shape of continuous substance of approximately parallel grooves formed with a groove section G and a land section L alternately, a recording layer 12 formed on the microscopic pattern... Agent: Connolly Bove Lodge & Hutz LLP
20090116371 - Recording medium having a substrate containing microscopic pattern of parallel groove and land sections and recording/reproducing equipment therefor: An information recording medium 1 at least comprises a substrate 13 having a microscopic pattern 20, which is constituted by a shape of continuous substance of approximately parallel grooves formed with a groove section G and a land section L alternately, a recording layer 12 formed on the microscopic pattern... Agent: Connolly Bove Lodge & Hutz LLPPrevious industry: Horology: time measuring systems or devices
Next industry: Multiplex communications
RSS FEED for 20150611:
Integrate FreshPatents.com into your RSS reader/aggregator or website to track weekly updates.
For more info, read this article.
Thank you for viewing Dynamic information storage or retrieval patents on the FreshPatents.com website. These are patent applications which have been filed in the United States. There are a variety ways to browse Dynamic information storage or retrieval patent applications on our website including browsing by date, agent, inventor, and industry. If you are interested in receiving occasional emails regarding Dynamic information storage or retrieval patents we recommend signing up for free keyword monitoring by email.
Advertise on FreshPatents.com - Rates & Info
FreshPatents.com Support - Terms & Conditions
Results in 0.1669 seconds