|Dynamic information storage or retrieval patents - Monitor Patents|
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Dynamic information storage or retrieval July category listing 07/09Below 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. 07/30/2009 > patent applications in patent subcategories.
20090190447 - Write-once recording medium, recording method, recording apparatus, reproduction method, and reproduction apparatus: A write-once recording medium is provided, which comprises a management information area for recording management information for managing a recorded state, and a user data area for recording user data. The user data area is configured to contain at least one recording area. At least one session is configured to... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090190448 - Data managing method for an optical disc drive writing user data into an optical disc having defects: A data managing method for an optical disc drive writing data into an optical disc having defects is provided. The optical disc has a user data area and a spare area. The optical disc drive includes a first buffering space and a second buffering space. The data managing method includes:... Agent: North America Intellectual Property Corporation
20090190450 - Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device: An optical system for use in an optical pickup apparatus comprises a first optical surface having a superposition type diffractive structure including a plurality of ring-shaped zones which are formed concentrically around an optical axis, wherein each ring-shaped zone is composed of a plurality of stepped sections stepwise, and a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP
20090190449 - Optical head transfer device, integrated circuit for optical head transfer device, focusing lens driving device, and integrated circuit for focusing lens driving device: When transferring an optical head in a radial direction of an optical disc, the optical head is initially transferred with a speed profile of a larger acceleration, and when abnormality is detected by an abnormality detection circuit which detects abnormality of a focus control system, the optical head is again... Agent: Wenderoth, Lind & Ponack L.L.P.
20090190451 - Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device: A reproducing device includes a detection circuit and an integration circuit. The detection circuit detects a push-pull signal PP. The integration circuit carries out integration processing with respect to one or greater frames of the push-pull signal, and carries out binarization processing with respect to integration results thus obtained, thereby... Agent: Edwards Angell Palmer & Dodge LLP
20090190452 - Device and method for controlling zero-return of opto-mechanical system: A device for controlling zero-return of an opto-mechanical system of an optical disc drive is provided. The opto-mechanical system has an optical pickup head for reading data from an optical disc. The zero-return controlling device includes a servo system, a stepper motor driver chip and a signal detecting unit. The... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP
20090190453 - Solid immersion lens (sil) near-field system and method of controlling tilt: In a near-field optical recording/reproducing system and a method of controlling a tilt, the near-field optical recording/reproducing system includes: a light source; an objective lens to focus light emitted from the light source to transmit near-field light to an information storage medium; a PD (photodetector) to receive a portion of... Agent: Stein Mcewen, LLP
20090190454 - Information apparatus: A test unit is provided for executing a confirmation test on the storage area of the storage apparatus. A storage area management unit sets an accessible valid storage area in the storage area, and extends the accessible valid storage area to include a part of the storage area. The part... Agent: Fujitsu Patent Center C/o Cpa Global
20090190455 - Recording data on motion picture film: A film record comprises a film strip representing a plurality of frames. At least one of the frames includes at least one region wherein the optical density of the region is representative of a symbol from a constellation of symbols.... Agent: Thomson Licensing LLC
20090190456 - Write-once recording medium, recording method, recording apparatus, reproduction method, and reproduction apparatus: A write-once recording medium is provided, which comprises a management information area for recording management information for managing a recorded state, and a user data area for recording user data. The user data area is configured to contain at least one recording area. At least one session is configured to... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090190458 - Diffraction element and optical head device equipped therewith: A grating portion has a plurality of convex portions provided on at least one principal plane of a transparent substrate having a first layer containing a first transparent material and a second layer containing a second transparent material, and extended in parallel to each other in a first direction as... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20090190457 - Optical head device and optical information reproducing device: The light emitted from a semiconductor laser is divided by a diffractive optical element into three light beams which are 0th-order light as the main beam and ±1st-order diffracted lights as the sub-beams, and the track error signals by the main beam and the sub-beams are detected, respectively, by a... Agent: Foley And Lardner LLP Suite 500
20090190459 - Chromatic diffractive optical element corrector, optical system including the same and associated methods: An optical element may include a substrate including a diffractive structure having multiple periods, at least one period of the multiple periods having multiple steps, heights of the multiple steps non-monotonically increasing across the at least one period. The optical element may be used with at least two wavelengths, e.g.,... Agent: Digital Optics Corporation
20090190460 - Optical head and apparatus using the same: An optical head and an apparatus using the optical head are shown. The optical head includes a light-emitting element, a first polarized light diverging element for transmitting the light beam of a first polarization direction and reflecting the light beam of a second polarization direction orthogonal to the first polarization... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090190461 - Optical data storage system for recording and/or reading an optical data storage medium for use in such system: Multi layer near-field optical recording using a moderate numerical aperture (NA) is superior to the high-NA (NA=2.0) first-surface single-layer technique. The use of very flat and thin spacer layers limits spherical aberration due to difference in layer depth. The thin spacer layers may have a high refractive index because their... Agent: Philips Intellectual Property & Standards
20090190463 - Optical pick-up unit with two-mirror phase shifter: Optical pick-up units (OPU), which require several light sources for reading newer formats, such as Blu-Ray, and legacy formats, such as DVD and CD, require a series of beam splitters/combiners for directing the various source light beams from the light sources along a common path. A two-mirror reflector sub-unit, in... Agent: Pequignot + Myers LLC
20090190462 - Optical recording apparatus with reduced power consumption: The present invention relates to an optical recording apparatus capable of writing information on an optical medium in a writing mode and capable of writing a label image on an optical medium in a label mode. The apparatus has a displaceable optical head with a radiation source capable of emitting... Agent: Philips Intellectual Property & Standards07/23/2009 > patent applications in patent subcategories.
20090185459 - Head gimbal assembly and information recording apparatus: When a semiconductor laser is arranged outside a slider and a light is to be guided to the slider through a waveguide, the following problems will be solved: the stability of the flying slider is deteriorated due to a stress from the waveguide; and when an actuator is arranged near... Agent: Brundidge & Stanger, P.C.
20090185460 - Method of correcting head suspension, method of manufacturing head suspension, head suspension, and method of processing thin plate: A method corrects a head suspension by irradiating an objective part of the head suspension with a laser beam. The method is capable of precisely correcting the head suspension even when correcting the head suspension a plurality of times. The method removes residual stress created by the preceding correction from... Agent: Jordan And Hamburg LLP
20090185461 - Medium transporting mechanism and medium processing apparatus having the same: A medium transporting mechanism for transporting one of stacked media each of which has a hole is provided. A holder is provided on a movable transporting arm and holds the one of the media. A guide is provided in the transporting arm, the guide has a tapered surface that is... Agent: Edwards Angell Palmer & Dodge LLP
20090185463 - Diffraction grating, optical pickup device and optical disc apparatus: A pickup device splits and detects a light beam reflected from a disc with the use of a grating. The grating has first to six areas, wherein the first area and the second area, the third area and the fifth area, and the fourth area and the sixth area are... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090185462 - Focus controller and focus control method: A focus controller and a focus control method are provided. The method allows the optical access apparatus focus from a current data layer onto a target layer. Each of the current layer and the target layer corresponds to a Spherical Aberration Compensation (SAC) value and a focus error related parameter.... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC
20090185465 - Disc with temporary disc definition structure (tdds) and temporary defect list (tdfl), and method of and apparatus for managing defect in the same: A disc with a temporary defect management information area and a defect management area includes a defect management area that is present in at least one of a lead-in area, a lead-out area, and an outer area, a temporary defect information area which is formed in the data area and... Agent: Stein Mcewen, LLP
20090185464 - Laser power control method and optical information recording/reproducing device: Each of control powers of a first definition group that correspond to a pulse train used to form a recording mark, and a plurality of levels of a second definition group that includes each of the control powers of the first definition group in accordance with the conditions of a... Agent: Hamre, Schumann, Mueller & Larson P.C.
20090185466 - Recording power calibrating method for improving seeking stability on recording power calibration area: In an optimal recording power calibration method for improving seeking stability on a recording power calibration area, a specific area serves as a data recording area during an optimal recording power calibration, wherein a length of the specific area is such that a plurality of times of optimal recording power... Agent: Muncy, Geissler, Olds & Lowe, PLLC
20090185467 - Method and device for storing data on a record medium and for transferring information: Data storage system (1) comprises: an optical disc (2) having a storage space (3) for receiving sectors of data; a disc drive (10), suitable for writing information to the disc; a host (20), capable of cooperating with the drive; the host being designed to send to said drive a write... Agent: Philips Intellectual Property & Standards
20090185468 - Phase error detection apparatus: A phase error detection apparatus capable of performing offset correction of a tracking error signal accurately even when there is a defect or a non-recorded position on an optical disc. There are provided a phase difference detection circuit (107) which receives two sequences of digital signals, performs phase comparison using... Agent: Wenderoth, Lind & Ponack L.L.P.
20090185469 - Device, system and method for automatic data solidification: A device, system and method is invented to solidify data from temporary storage media to long term storage media without intervention of computer. Those who can not access computer are enabled to use digital recording apparatus, such as digital camera. The operation of the device is restricted in order to... Agent: Chengyun Gao
20090185470 - Advantageous recording media for holographic applications: High performance media suitable for recording with a blue laser is disclosed. The blue-sensitized holographic media provides greater dynamic range and higher sensitivity than previously disclosed blue-sensitized holographic media. These media can be used for diverse applications such as data storage where the articles provide denser data storage and more... Agent: Connolly Bove Lodge & Hutz LLP
20090185471 - Optical pickup device and optical disc apparatus: In an optical pickup device, an optical reflection beam from a multi-layer optical disc is divided into a plurality of areas, divided optical fluxes focus upon different positions on a photodetector, a focusing error signal is detected by using a plurality of divided optical fluxes by a knife edge method,... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090185473 - Objective lens and optical pickup device: In order that thickness reduction, weight reduction, and mass productivity improvement should be achieved in an objective lens even in the case where NA is high, an objective lens according to the present invention is a bi-convex single lens having at least one aspheric surface, and satisfies conditions: (1) 3.5<DH-S/DH-H′<4.2;... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090185474 - Method of storing data using a micro-electromechanical system based data storage system: A method of storing data using data storage system having a positioning system for a micro-electromechanical system (“MEMS”) based data storage is provided. The method includes a moving MEMS-based scanner that interacts with a polymer medium to read, write and erase data. A first positioning system is coupled to the... Agent: Cantor Colburn LLP-ibm Europe07/16/2009 > patent applications in patent subcategories.
20090180360 - Device and method for microstructuring a storage medium and storage medium comprising a microstructured region: A device providing for microstructuring a storage medium includes a radiation source for producing an at least partially coherent beam from electromagnetic radiation, a modulator provided with a plurality of individually switchable modulator elements, a beam-forming optical element for illuminating the modulator, a reducing optical element for reducing a beam... Agent: Proskauer Rose LLP
20090180361 - Optical disc, optical disc drive, optical disc recording/reproducing method, and integrated circuit: In an optical disc, a track on which data is recordable is divided into a plurality of blocks, and each block includes L pieces of sub blocks. On each sub block, M-bit first digital information specifying a block address of a block including the each sub block and N-bit second... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090180362 - Method and apparatus for deciding spherical aberration compensation value: A method and an apparatus for deciding a spherical aberration compensation (SAC) value for an optical storage medium are provided. The optical storage medium comprises at least one recording layer and a cover layer. The SAC value is suitable for a selected one of the at least one recording layer.... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC
20090180364 - Control apparatus, control method, access apparatus, access method, program and write-once recording medium: A control apparatus is provided for controlling an access means for accessing a recording medium containing at least one area so that the access means accesses the at least one area. The apparatus comprises a means for determining whether or not at least one first recorded area storing data is... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090180363 - Storage medium managing device, storage medium managing program, and computer-readable storage medium: A storage medium managing device is provided which can employ a set of management information containing suitable information from a plural sets of management information contained in the storage medium. An optical disc apparatus (1) manages an optical disc (2) having a plurality of management areas for containing management information... Agent: Edwards Angell Palmer & Dodge LLP
20090180365 - Information recording method and information reproducing method: According to the present invention, when an apparatus performs reproduction from an optical disc of a format not compatible to the apparatus, the apparatus is prevented from obtaining an incorrect address and thus causing a malfunction. A recording method according to the present invention performs first conversion of bit-inverting m... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090180366 - Optical disc recording apparatus: The phase setting of the write strategy is varied in the state where the laser emits a constant power in a laser control system, and an emitted light of a multipulse corresponding to a mark portion of the laser is converted into a voltage by a photodetector, and then averaged... Agent: Steptoe & Johnson LLP
20090180367 - Holographic information storage medium, and apparatus and method for inspecting defect thereof: A defect entry, including position information of a defective block of a reference information layer and state information indicating the defective state of blocks of the other information layers located adjacent to a perpendicular direction at a position of the defective block of the reference information layer, is recorded on... Agent: Stein Mcewen, LLP
20090180368 - Phase error detecting device, waveform shaping device and optical disc device: A waveform shaping portion receives a digital reproduced signal generated from an analog reproduced signal reproduced from an information recording medium and shapes the waveform of the digital reproduced signal. A maximum likelihood decoding portion applies maximum likelihood decoding to the digital reproduced signal in the shaped waveform and generates... Agent: Wenderoth, Lind & Ponack L.L.P.
20090180369 - Method for controlling the quality of storage media: w
20090180370 - Data storage device container: A method of storing a data storage device includes but is not limited to emplacing a data storage device in a container, the container having surfaces; and writing storable data to the data storage device by transmitting energy through a surface of the container. In addition to the foregoing, other... Agent: Iv - Suiter Swantz PC Llo
20090180372 - Near field optical recording/reproducing apparatus and method of normalizing gap error signal of the same: A near field optical recording/reproducing apparatus includes a light source, an objective lens to form a spot by focusing light emitted from the light source, a solid immersion lens to generate an evanescent wave by using the spot formed by the objective lens, a photodetector to measure an amplitude of... Agent: Stein Mcewen, LLP
20090180371 - Optical storage interface apparatus, method of controlling an optical storage interface: An optical storage interface apparatus comprises a lens module (LM). The lens module (LM) may comprise, for example, a solid immersion lens for near-field optical readout or near-field optical recording, or both. The lens module (LM) forms a light spot (SP) on an optical information carrier (DSK) in response to... Agent: Philips Intellectual Property & Standards
20090180373 - Electron beam applying apparatus and drawing apparatus: An electron beam applying apparatus includes: a thermal field emission type electron source emitting an electron beam; an electrostatic lens disposed immediately below the electron source and acting as a condensing electrode for condensing the electron beam in a first angular aperture emitted by the electron source in a second... Agent: Dickstein Shapiro LLP
20090180374 - Optical information recording medium and method for producing the same: An optical information recording medium contains at least an optical reflective layer, an optical recording layer, a protective layer, and an optical transparency layer formed in this order on a main surface of a substrate, and has a main-information area and a sub-information area that contains an optically readable mark.... Agent: Law Office Of Katsuhiro Arai
20090180375 - Information recording medium and information recording medium evaluation method: An information recording medium according to the present invention includes an information recording layer on which information is recordable, and is evaluated using an evaluation index which is found based on a ratio of a center of an amplitude of a reproduction signal corresponding to a second shortest mark and... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP07/09/2009 > patent applications in patent subcategories.
20090175136 - Recording and reproducing apparatus as well as recording and reproducing method: A recording and reproducing apparatus and a recording and reproducing method capable of making correspond to original data without recording repeated data are provided. The recording and reproducing apparatus includes: reproducing element 2 for reproducing main data and TOC data for managing the main data that are recorded in CD... Agent: Lerner, David, Littenberg, Krumholz & Mentlik
20090175138 - Servo controlling apparatus and method of holographic information recording/reproducing system: A servo controlling apparatus of a holographic information recording/reproducing system changes the foci of reference light and signal light in a depth direction of a holographic information storage medium to record information over a plurality of information layers. A servo control is changed from a normal servo operation to a... Agent: Stein Mcewen, LLP
20090175140 - Optical disc apparatus: An optical disc apparatus which detects an envelope of a tracking error signal in a record or playback mode of an optical disc having recording layers of a multilayer structure, which quantifies a variation caused by multilayer interference (to ΔTES), and which restricts a recording or playback rate when a... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090175139 - Recording medium for storing linking type information and method of processing defective area using the same: A recording medium storing information indicating that linking is applied immediately after the defective area, distinguishing a linking type which occurs in a general incremental recording mode from a linking type which occurs after the defective area. Defective areas are detected and registered in a predetermined area (recording management data... Agent: Stein Mcewen, LLP
20090175141 - Write-once optical disc, and method and apparatus for recording management information on write-once optical disc: A recording medium, and a method and apparatus for recording and/or reproducing management information on/from the recording medium are discussed. According to an embodiment, the invention provides an apparatus includes components so that the apparatus finalizes the recording medium when receiving request of an external host or when a temporary... Agent: Birch Stewart Kolasch & Birch
20090175142 - Method and system of recording data on a storage medium: A method of recording data on a storage medium is provided. A first recording indicator is written on the storage medium to indicate a first state of a data recording thereon. A second recording indicator is written on the storage medium to indicate a second state of the data recording... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP
20090175143 - Recording system, recording apparatus, and record control signal generating apparatus: A signal generating unit of a formatter inputs a misalignment amount δ unique to an individual recording apparatus and record data into a record signal compensation unit, and in accordance with these the record signal compensation unit generates a compensated beam deflection signal and substrate velocity signal to a beam... Agent: Young & Thompson
20090175144 - Information recording method and apparatus: An information recording method, including detecting a synchronous signal and first address information from a recording medium, on which the synchronous signal and the first address information have been preformatted in a wobbled groove track, which is divided into a first unit with a predetermined length on the wobbled groove... Agent: Birch Stewart Kolasch & Birch
20090175145 - Forward sense signal generation: A device for recording information on a record carrier (4) has a radiation source and a sensor (33) for generating a sense signal (32), a power control unit (29) for setting the radiation power based on a sampled sense signal, and a sense unit (31) for generating the sampled sense... Agent: Philips Intellectual Property & Standards
20090175147 - Reducing written-in errors in servo patterns: A method for writing servo onto a disk of a hard disk drive. The method includes writing a plurality of spiral servo signals with a head. The spiral servo signals are used to generate position error signals and write a plurality of servo patterns. A write current of the head... Agent: Irell & Manella LLP
20090175146 - Data recording/reproducing method and apparatus: A data recording/reproducing method and apparatus which are capable of accurately and stably controlling a gap between a recording medium and a head of the data recording/reproducing apparatus are disclosed. The data recording/reproducing method includes: outputting at least one signal based on a light beam reflected from a recording medium;... Agent: Harness, Dickey & Pierce, P.L.C
20090175149 - Holographic information recording and/or reproducing apparatus: A holographic information recording and/or reproducing apparatus includes a light pickup optical system and a recording power control unit. The light pickup optical system illuminates reference light and signal light onto an information storing medium. The recording power control unit controls the light pickup optical system such that recording power... Agent: Stein Mcewen, LLP
20090175148 - Holographic system, in particular for holographic data storage: In order, in the case of a holographic system, in particular for holographic data storage, comprising a radiation source for emission of a radiation an objective lens, a signal evaluation means, a detector and an optical data storage medium, the optical data storage medium having at least one data carrier... Agent: Thomson Licensing LLC
20090175150 - Multi-channel optical pickup and optical recording/reproducing apparatus employing the same: A multi-channel optical pick-up and a multi-channel optical recording and/or reproducing apparatus employing the same, the multi-channel optical pick-up including: a plurality of light sources including a center light source closest to an optical axis from among the plurality of light sources and at least one off-axis light source farther... Agent: Stein Mcewen, LLP
20090175151 - Optical disc, optical disc drive, optical disc recording/reproducing method, and integrated circuit: An address format for appropriately controlling the recording linear density and the number of information recording layers is provided in order to increase the recording capacity of an information recording medium such as an optical disc or the like in a range in which a necessary S/N ratio can be... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090175152 - Optical disk apparatus and optical pickup: Provided is an optical disk apparatus that suppresses shortening of the life time of a light source, degradation of the signal quality involved in an increase in quantum noise, and lowering of the slope efficiency, which are caused by a temperature increase of the light source by a lowering in... Agent: Fitzpatrick Cella Harper & Scinto
20090175153 - Electrical-effect data recording medium that includes a localized electrical conduction layer: An electrical-effect data recording medium is preferably formed by a successive stacking of a protective layer, a localized electrical conduction layer, a recording layer, a thin layer forming an electrode and a substrate. The localized electrical conduction layer is formed by a low electrical conductivity material, in which inclusions having... Agent: Oliff & Berridge, PLC
20090175154 - Disk with embedded flash memory and disc drive: A disc has an outer section on which digital media can be recorded and a core in its center in which a flash memory is embedded with the core having a central hole and electrical contacts to the flash memory. A disc drive has a drive spindle that is to... Agent: Harrington & Smith, PC
20090175155 - Optical disc, optical disc drive, optical disc recording/reproducing method, and integrated circuit: A big pattern for a run-in area which allows data reproduction to be performed stably even when the recording density of an optical disc is increased is provided. An optical disc according to the present invention includes tracks, each of which divided into a plurality of recording blocks. Each of... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP07/02/2009 > patent applications in patent subcategories.
20090168613 - Optical devices based on internal conical diffraction: Optical devices based on internal conical refraction for developing new set-ups, methods and applications based on the specific properties of internal conical diffraction. The devices include several set-ups, methods and applications consisting of biaxial crystal(s)—one or more polarization elements and optical elements. The biaxial crystal is an optical crystal which... Agent: Foley & Lardner LLP
20090168614 - Spherical aberration correction apparatus and spherical aberration correction method: According to one embodiment, a spherical aberration correction apparatus includes a pickup which applies laser light to an optical disk through an objective lens, a photodetector which detects laser light incident through the objective lens as reflected light from the optical disk, a liquid crystal panel which corrects a spherical... Agent: Knobbe Martens Olson & Bear LLP
20090168615 - Parameter adjusting method and data recording/reproducing device: A high-density land/groove recording method is provided which records random data used for parameter adjustment on either adjacent three grooves or adjacent three lands of an optical disk. The recorded data is reproduced, the radial tilt is first adjusted based on PRSNR of the reproduction data, and thereafter parameters are... Agent: Young & Thompson
20090168616 - Spherical aberration compensation method of optical storage device: A spherical aberration compensation method of an optical storage device is provided. The method includes: deriving a first spherical aberration compensation value corresponding to a first track position on a recording layer of an optical storage medium to serve as a first reference value; deriving a second spherical aberration compensation... Agent: North America Intellectual Property Corporation
20090168617 - Optical disk recording apparatus and method for controlling optical disk recording: To provide a simple configuration capable of recording data on an optical disc reliably at high speed even if recording errors occur. Data that is normally recorded on the optical disc is erased from a storing means, and when a recording error has occurred, a predetermined range subsequent to the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20090168618 - Optical pickup device and optical disc apparatus: An optical pickup device divides signal light so as to detect the divided signal light. A photodetector contains two regions constructed of a region “A” and another region “B.” Among diffracted light diffracted from a track on an optical disc, only zeroth-order diffraction light enters to the region “A” of... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090168619 - Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk: Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded by laser trimming on a reflective film in a PCA area of an optical disk. When playing... Agent: Ratnerprestia
20090168620 - Finite field based short error propagation modulation codes: The invention relates to a data modulation method applicable to make data streams tend to have desired properties, useful for clock recovery, making signals more distinguishable, or enforcing run-length conditions. A stream of input data and a corresponding stream of output data are grouped into elements of a finite field.... Agent: Stmicroelectronics, Inc.
20090168621 - Devices and methods for determining a critical rotation speed of an optical data carrier, monitoring a condition of an optical data carrier, and generating a reference signal: The invention relates to a device (9, 109) and a method (501) for determining a critical rotation speed of an optical data carrier (1) at which a critical deflection of said optical data carrier (1) may occur in said device (9, 109), an apparatus (209) and a method for monitoring... Agent: Philips Intellectual Property & Standards
20090168622 - Optical disk apparatus: According to one embodiment, an optical disk apparatus comprises an enable signal generation module configured to generate an enable signal for discriminating a mark and a space in a reproduction signal of an optical disk, a first index calculation module configured to calculate a first evaluation index for evaluating a... Agent: Knobbe Martens Olson & Bear LLP
20090168623 - Method and apparatus of determining a recording condition for optical disc: An optical disc writing condition determining method according to the present invention includes the steps of: performing a first test write operation at a low speed on an inner test track; setting condition A for performing a write operation at the low speed on the inner test track based on... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20090168624 - Apparatus and method for recording a custom compact disc at a retail premises: A multi-station audio distribution apparatus having at least two listening stations, a data control mechanism and a listening station interface mechanism disposed between the listening stations and the data control mechanism. Each of the listening stations has a user input in the form of a bar code scanner to enter... Agent: Schwabe, Williamson & Wyatt, P.C. Pacwest Center, Suite 1900
20090168625 - Micro-optical pickup: A dynamic micro-machined optical device is applied in a micro-optical pickup. The micro-optical pickup includes an actuator and a dynamic grating, wherein the actuator may be a cantilever beam electrostatic actuator, a scratch drive actuator, a magnetic actuator or an electromagnetic actuator; and the actuator is controlled by applying an... Agent: Rosenberg, Klein & Lee
20090168626 - Optical pickup device and photodetector: An optical pickup device includes: a first light-receiving element for receiving a main beam of a first light beam; second and third light-receiving elements for receiving sub-beams of the first light beam; a fourth light-receiving element for receiving a main beam of a second light beam; and fifth and sixth... Agent: Mcdermott Will & Emery LLP
20090168627 - Method of reading optical information and method of recording optical information: Provided are methods of recording and reading optical information in a recording medium using holography. In the method of recording optical information, a first recording operation is performed for recording optical information in a first recording region in an overlapping manner by allowing a reference beam and a signal beam... Agent: Williams Mullen
20090168629 - Holographic information recording and/or reproducing apparatus: A holographic information recording and/or reproducing apparatus including: a light source unit emitting reference light and signal light; a first optical path guiding unit guiding the lights to cross; a second optical path guiding unit including a first polarization converter located on an optical path of one of the reference... Agent: Stein Mcewen, LLP
20090168630 - Method for detecting pattern of over-sampling image and an optical information processing apparatus and method using the same: Provided are a method for detecting a pattern of an over-sampling image and an optical information processing apparatus and method using the same. A method for detecting a pattern from an image of an over-sampled datapage includes: over-sampling the datapage to detect a detection image of the datapage; comparing the... Agent: Williams Mullen
20090168628 - Optical pickup apparatus: an incidence preventing area placed between the hologram element and the light receiving elements for, in the case where the light beam is focused on the recording surface on a side close to the objective lens out of recording surfaces of multilayer of the optical information recording medium, substantially preventing... Agent: Ratnerprestia
20090168632 - Optical disk apparatus, position control method, and optical pickup: An optical disk apparatus appropriately adjusts the optical paths of a reference light beam and information light beam in an optical path forming section of an optical pickup, condenses the reference light beam and information light beam using an objective lens, and performs position control of the objective lens in... Agent: Wolf Greenfield & Sacks, P.C.
20090168631 - Optical recording device and optical recording method: An optical recording device includes a light source, a light-converging optical system, a moving unit, detection unit, and an acquisition unit. In the optical recording device, interference fringes from a recording light are shift multi-recorded as a plurality of pages of holograms within each of a plurality of planes corresponding... Agent: Sughrue Mion, PLLC
20090168633 - Optical pickup apparatus, optical read/write apparatus, and gap control method: An optical pickup apparatus includes a light source, focusing optics, a light detector, a controller, and a drive unit. The drive unit first drives the focusing optics to a specific position on an information recording medium. Light from the light source irradiates the information recording medium via the focusing optics... Agent: Wolf Greenfield & Sacks, P.C.
20090168634 - Optical disc drive apparatus with an indirect semiconductor laser containing an asymmetric quantum well structure: An indirect semiconductor laser having an indirect semiconductor used as the material of an active layer is used, instead of a conventional direct semiconductor laser so as to obtain a reproducing optical source, in order to reduce optical interference noise of the laser caused in the optical head in an... Agent: Stanley P. Fisher Reed Smith LLP
20090168636 - Cantilever design with electrostatic-force-modulated piezoresponse force microscopy (pfm) sensing: In one embodiment, the present invention includes an apparatus having a cantilever structure to move in a vertical direction, including a grounded cantilever body and a conductive tip, a vertical actuation electrode to actuate the cantilever to cause the conductive tip to contact a ferroelectric media surface, an AC electrostatic... Agent: Intel Corporation C/o Cpa Global
20090168635 - Memory media including domains havingtrapped charges at a top region thereof: A memory media and a method to provide same. The memory media includes: a media layer comprising a ferroelectric layer having a bottom surface and a top surface; a plurality of adjacent charge domains defined in the ferroelectric layer, the domains including alternating up domains and down domains each extending... Agent: Laleh Jalali Intel Corporation
20090168637 - Arrangement and method to perform scanning readout of ferroelectric bit charges: An arrangement, a method and a system to read information stored in a layer of ferroelectric media. The arrangement includes a layer including a ferroelectric media having one or more ferroelectric domains holding bit charges, a domain corresponding to information; a probe having a tip, wherein the media and the... Agent: Intel/bstz Blakely Sokoloff Taylor & Zafman LLP
20090168638 - Optical pickup: An optical pickup includes a light emitting component, an optical component and a base component. The light emitting component has a laser diode, a package and a holder. The package has a positioning recess formed in an outer peripheral face of the package. The holder holds the package in a... Agent: GlobalIPCounselors, LLP
20090168639 - Spindle motor and disk drive apparatus provided with the same: A spindle motor includes a rotor unit rotatably supported by a bearing portion arranged to rotate about a central axis, a stator radially opposed to the rotor magnet with a gap therebetween and a substantially ring-shaped magnetic member arranged within a gap at an axial space between a disk and... Agent: Nidec Corporation C/o Keating & Bennett, LLP
20090168640 - Optical disc and physical address format: An optical disc medium comprises a track groove, along which main information is recorded. The track groove is divided into a plurality of blocks. The plurality of blocks each include a plurality of frames. The plurality of frames each include one shape of wobbles indicating sub information, among a plurality... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLPPrevious industry: Horology: time measuring systems or devices
Next industry: Multiplex communications
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