|Dynamic information storage or retrieval patents - Monitor Patents|
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Dynamic information storage or retrieval July category listing 07/10Below 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. 07/29/2010 > patent applications in patent subcategories. category listing
20100188942 - Optical pickup with dual focal length: An optical pickup has a light source for generating a laser light, an objective lens for condensing the laser light to form a light spot so as to irradiate an optical disk formed of a substrate and having a pair of major surfaces spaced from each other by a thickness... Agent: Morrison & Foerster, LLP
20100188945 - Method and apparatus for data detection: In data detection 5 from a storage medium carrying data in a storage layer with a corresponding drive or apparatus, a motor moves the medium and a motor control unit controls the position of the medium using a position signal. A reading unit reads the data from the medium and... Agent: Robert D. Shedd, Patent Operations Thomson Licensing LLC
20100188944 - Method for controlling read power and open-loop read control device using the same: A method for controlling read power and an open-loop read control device using the same. The open-loop read control device is used in an optical disk writer and includes a memory, a DAC and an amplifier. The optical disk writer includes a pickup head device having a laser diode. When... Agent: Perkins Coie LLP Patent-sea
20100188943 - Optical storage apparatus and method for automatically adjusting loop gain thereof: An optical storage apparatus and a method for automatically adjusting a loop gain thereof are provided. The method includes the following steps. Firstly, a compact disk is written by an erase power. Next, a writing state of the erase power is detected to generate an error signal. Finally, a loop... Agent: Jianq Chyun Intellectual Property Office
20100188946 - Head testing method and head testing device: According to one embodiment, a head testing method, includes: positioning a protrusion against a flexure at a backside of a head slider fixed onto the flexure so that the protrusion receives the head slider from behind the head slider; positioning the head slider on a surface of a rotating magnetic... Agent: Knobbe Martens Olson & Bear LLP
20100188951 - Encoding device, system and method: The disclosure provides an encoding device comprising a reflector, a rotating disk having at least one aperture; and an optical unit comprising a light emitter and a light detector. Said disk being positioned between said reflector and said optical unit whereby rotation of said disk causes the movement of said... Agent: The Law Office Of Michael E. Kondoudis
20100188947 - Automatic dts cd versus cd-da detection within a file system-based device: A method of detection is described to be used in file system-based player devices to determine the type of compact disk that has been inserted into a player. The method automatically distinguishes between the DTS-CD format and standard audio CDs. The method allows the operating system or CPU software to... Agent: Texas Instruments Incorporated
20100188950 - Information recording apparatus and method: A disc-shaped information recording medium includes a first recording layer (L0 layer) having (I) a first trial write area (101P-1) for trial write of first trial write information for calibration of the laser beam along the first track path (TP1) from the inner circumference toward the outer circumference and (II)... Agent: Young & Thompson
20100188948 - 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 includes a trial recording parameter setting section (23) and a reproduced signal quality judging section (26). The trial recording parameter setting section (23) inquires, in accordance with the recording information, a storage section (3) containing recording parameters used for controlling heat of recording marks, and... Agent: Edwards Angell Palmer & Dodge LLP
20100188949 - 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 includes a trial recording parameter setting section (23) and a reproduced signal quality judging section (26). The trial recording parameter setting section (23) inquires, in accordance with the recording information, a storage section (3) containing recording parameters used for controlling heat of recording marks, and... Agent: Edwards Angell Palmer & Dodge LLP
20100188952 - Stamper and stamper evaluation method: According to one embodiment, this invention determines whether a maximum value Hmax and minimum value Hmin of an HF signal obtained when a data recording portion is irradiated with a laser having a wavelength of 450 nm or less and an NA of 0.6 or more meet (Hmax−Hmin)/Hmax<0.13 . .... Agent: Knobbe Martens Olson & Bear LLP
20100188953 - Recording/reproduction device, evaluation value calculation method, and evaluation value calculation device: In a recording/reproducing system that performs PRML decoding, a suitable evaluation value for setting a recording condition can be obtained with a simple structure. It is assumed that a value corresponding to a difference between a difference metric between a maximum likelihood path for an equalized signal that is fed... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20100188954 - 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 includes a trial recording parameter setting section (23) and a reproduced signal quality judging section (26). The trial recording parameter setting section (23) inquires, in accordance with the recording information, a storage section (3) containing recording parameters used for controlling heat of recording marks, and... Agent: Edwards Angell Palmer & Dodge LLP
20100188955 - 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 includes a trial recording parameter setting section (23) and a reproduced signal quality judging section (26). The trial recording parameter setting section (23) inquires, in accordance with the recording information, a storage section (3) containing recording parameters used for controlling heat of recording marks, and... Agent: Edwards Angell Palmer & Dodge LLP
20100188956 - 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 includes a trial recording parameter setting section (23) and a reproduced signal quality judging section (26). The trial recording parameter setting section (23) inquires, in accordance with the recording information, a storage section (3) containing recording parameters used for controlling heat of recording marks, and... Agent: Edwards Angell Palmer & Dodge LLP
20100188957 - High data density optical recording medium: A high data density optical recording medium, a method and an apparatus for reading from such an optical recording medium, and a method for mastering such an optical recording medium are proposed. For achieving a high data density the optical recording medium has marks that have a tip and are... Agent: Robert D. Shedd, Thomson Licensing LLC Patent Operations
20100188958 - 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 includes a trial recording parameter setting section (23) and a reproduced signal quality judging section (26). The trial recording parameter setting section (23) inquires, in accordance with the recording information, a storage section (3) containing recording parameters used for controlling heat of recording marks, and... Agent: Edwards Angell Palmer & Dodge LLP
20100188959 - Information storage medium and apparatus for recording/reproducing the same: An information storage medium and an apparatus for recording/reproducing the same are provided. The information storage medium is provided in which repetitive recording is performed by using nanorods formed of a material capable of repeatedly changing light absorption.... Agent: North Star Intellectual Property Law, PC
20100188960 - Objective lens, optical pickup and optical disk apparatus: A plastic objective lens is configured to collect a light beam with at least a wavelength λ on a recording layer of an optical disk and is used in an optical pickup for recording and/or reproducing an information signal by illuminating a light beam on the optical disk having one... Agent: Wolf Greenfield & Sacks, P.C.
20100188961 - Optical disc apparatus: An optical disc apparatus includes a laser diode, a first optical component which branches beams from the laser diode into a first beam and a second beam, an objective lens which focuses the first beam on an optical information recording medium, an actuator which drives the objective lens in an... Agent: Antonelli, Terry, Stout & Kraus, LLP
20100188962 - Optical pickup device and optical disk apparatus using the same: According to the above-mentioned structure, it may be possible to correct the astigmatism of not only laser light directed to the optical disk but also light reflected from the optical disk of which the polarization direction is different by about 90° from that of the laser light directed to the... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.
20100188963 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20100188964 - Stamper and stamper evaluation method: According to one embodiment, letting Vf be a maximum voltage value level within the range of a frequency 60 to 170 times the rotational speed of a stamper and Vave be the average sum signal voltage value of a data recording portion in the sum signal of a voltage signal... Agent: Knobbe Martens Olson & Bear LLP07/22/2010 > patent applications in patent subcategories. category listing
20100182881 - Recording device, and optical disk signal processing method: An optical disk signal processing unit (200) performs tracking control to control a position of a converging lens (103) of an optical pickup (100) based on a tracking error signal, and a track jump operation to move the converging lens (103) of the optical pickup (100) in a radial direction... Agent: Mcdermott Will & Emery LLP
20100182882 - Optical storage apparatus and method for eliminating write power transient thereof: An optical storage apparatus and a method for eliminating a write power transient thereof are provided. The method includes following steps. First, a target voltage level of a write voltage when next time the optical storage apparatus writes data is obtained. Then, a command value is updated by using the... Agent: Jianq Chyun Intellectual Property Office
20100182883 - Recording apparatus and recording laser power setting method: A recording apparatus includes: an optical head section to irradiate a laser beam onto a recording medium and perform recording, reproduction, or erase of information; a laser drive section to drive the optical head section to output the laser beam; a modulation-degree measurement section to measure a modulation degree of... Agent: Wolf Greenfield & Sacks, P.C.
20100182884 - Detecting mechanism of disc pick-and-place device: A detecting mechanism of a disc pick-and-place device comprises a first frame and a pick-and-place head, a detecting portion and a sensor respectively coupled thereto. When the pick-and-place picks up at least two stacked discs, the detecting portion then shows a state different from when the pick-and-place head picks up... Agent: G. Link Co., Ltd
20100182885 - Method for discriminating optical disc, optical disc device and program: Provided is a method for easily discriminating that a disc is a blank disc that conforms to the DVD Download standards. An optical disc device is provided with a first identifying means (4) which identifies disc information written in a lead-in zone of an optical disc (1); a second identifying... Agent: Robinson Intellectual Property Law Office, P.C.
20100182886 - Optical disc device and recording condition setting method: The present invention is aimed at providing an optical disc device and a recording condition setting method which can automatically determine an optical recording condition to an optical disc, and the optical disc device comprises an optical pickup which records data on a disc; a data encoder which modulates data... Agent: Wenderoth, Lind & Ponack L.L.P.
20100182887 - System and method for identifying failing drives or media in media library: Embodiments of methods and systems comprise identifying failing media and/or drives for a media library. Error data can be collected from media libraries. For each tape exhibiting an error rate of interest, a determination can be made whether the tape would still have been of interest had it not been... Agent: SprinkleIPLaw Group
20100182888 - Optical disc apparatus: An optical disc apparatus comprising: a spindle motor configured to drive a turntable on which an optical disc is loaded to rotate; a first substrate on which a first support member rotatably supporting a rotation shaft of the spindle motor is fixed, and on which a second support member is... Agent: SocalIPLaw Group LLP
20100182889 - Optical disk apparatus, optical pickup, preformatted signal generation method and program: There is provided an optical disk apparatus causing a hologram device to diffract a reflected light beam and causes each of reflected light beams of primary light in a longitudinal direction to generate received light signals by receiving the reflected light beams through receiving regions of a receiving unit before... Agent: Lerner, David, Littenberg, Krumholz & Mentlik
20100182890 - Optical disk recording/reproducing device and optical head: An optical disk recording/reproducing device includes a turntable 7 configured to rotate an optical disk 9 and an optical head 3 configured to record/reproduce information in/from the optical disk 9. A stepping motor 13 to drive a collimator lens 16 is mounted on a head base 17 of the optical... Agent: Wenderoth, Lind & Ponack L.L.P.
20100182891 - Optical pickup device and optical disc device: An optical pickup device is so configured as to change the propagating directions of light fluxes in four light flux areas defined in the periphery of an optical axis of laser light, out of the laser light reflected on a disc, to separate the four light fluxes one from the... Agent: Ditthavong Mori & Steiner, P.C.
20100182892 - Data storage medium and method for scanning a storage medium: A data storage medium stories data in the form of marks, said marks being written and/or read by an array of probes. The storage medium further includes a plurality of data fields, each field including an area of the storage medium which, in use, is scanned for reading and/or writing... Agent: Harrington & Smith
20100182893 - Re-writable optical disk having reference clock information permanently formed on the disk: An optical disk structure and optical disk recorder which enables data to be re-written onto the recording layer of the optical disk. A clock reference structure is permanently formed along servo tracks of the optical disk. An optical transducer is coupled to the clock reference structure and generates a clock... Agent: Hewlett-packard Company Intellectual Property Administration
20100182894 - Optical data storage media containing an encapsulated data layer: Optical information media containing encapsulated data layers are disclosed. Selective layering of materials in inner radial, middle radial, and outer radial zones allows for the faces and edges of at least the data layers to be encapsulated by other materials, resulting in increased resistance to harmful environmental agents such as... Agent: Pepper/millenniata
20100182895 - Optical information recording medium: t
20100182896 - Optical information recording medium: An optical information recording medium includes a recording layer that includes a mark layer in which recording marks formed in accordance with condensed recording light are aligned and has a recording light absorption amount of 20.8% or less with respect to an innermost depth as a depth of the mark... Agent: Wolf Greenfield & Sacks, P.C.07/15/2010 > patent applications in patent subcategories. category listing
20100177605 - Media for heat assisted magnetic recording: A method for fabricating a patterned recording medium includes providing a workpiece with a non-magnetic substrate and at least one overlying magnetic layer, laminating a thermal insulation barrier partially in a soft under layer of one of the at least one magnetic layers and forming a topographical pattern including a... Agent: Seagate Technology Outside Counsel Dergosits & Noah LLP
20100177606 - Method for identifing a layer number of an optical disc: A method for identifying a layer number of an optical disc is provided. Firstly, a SA value is adjusted to a standard SA value of each of two data layers in sequence. Next, focusing courses are performed so as to enable the focus point to pass through the optical disc.... Agent: Rabin & Berdo, PC
20100177608 - Optical disc and method for controlling the same: In an optical disc having a multilayer structure in which recording layers are bonded to each other, the number of times additional writing can be performed is increased. A method for controlling an optical disc device according to the present invention comprises steps of calculating a displacement amount generated when... Agent: Mcdermott Will & Emery LLP
20100177607 - Recording device, recording method, and computer program: The recording apparatus records information on a write once recording medium sequentially including a user data area, a first management information area, an indicator area and a second management information area on a recording layer thereof. The recording apparatus includes an optical head; and a control section for instructing the... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20100177609 - Method and apparatus for performing beta prediction for high-speed writing on unknown recordable optical discs: A method is disclosed for performing Beta prediction for high-speed writing on unknown recordable optical discs. Test recordings are performed in the inner (20) and outer test (40) zones of an unknown recordable optical disc, yielding results expressed as measured beta target values. At least one beta target value is... Agent: Philips Intellectual Property & Standards
20100177610 - Optical disk device for multi-layer optical disk and multi-layer optical disk: An optical disk device for writing data into a disk including a plurality of recording layers, wherein the disk includes a recording layer in which a track for recording the data is formed in a clockwise spiral direction, and a recording layer in which a track for recording the data... Agent: Antonelli, Terry, Stout & Kraus, LLP
20100177611 - Spherical aberration compensation adjustment: Spherical aberration correction is provided for CD writing in a double (CD+DVD), triple (CD+DVD+BD) or quadruple (CD+DVD+BD+HD-DVD) writer, which use the same light path for CD and DVD. In an optical drive that uses numerous laser wavelengths combined into one light path each wavelength having a different numerical apertures a... Agent: Philips Intellectual Property & Standards
20100177613 - Access controlled optical disc and method therefor: An optical disc is disclosed having a set of primary tracks and a set of alternate tracks. At least some of the primary and alternate tracks are associated. When a CD-DA reader accesses the optical disc, it locates only the primary tracks. By contrast, when a data reader such as... Agent: Haynes And Boone, LLPIPSection
20100177612 - Information recording apparatus and copy management program: An information recording apparatus mutually communicates with a number-of-copying-times management server via a communication network, the server performing management by correlating medium identification information that enables unique identification of an information recording medium, with information related to number of allowable copying times of digital contents recorded on the information recording... Agent: Nixon & Vanderhye, PC
20100177614 - Method and apparatus for writing data to optical storage medium: A method and apparatus for writing data to an optical storage medium are disclosed. A write signal indicating power levels of a laser diode is generated by encoding and decoding codewords. The codewords are generated and decoded according to a Successive State Change Criterion (SSCC) or SSCC II proposed by... Agent: Kirton And Mcconkie
20100177615 - Maximum likelihood decoder and information reproduction apparatus: In a maximum likelihood decoder, when undersampling occurs, selectors 205 to 207 do not select branch metrics from branch metric calculation sections 202 to 204 but select a value “0”, and a path metric calculation section 208 calculates a path metric based on the value “0” selected by the selectors... Agent: Mcdermott Will & Emery LLP
20100177616 - High-density optical disc and recording/reproducing method thereof: A high-density optical disc such as BD-RE (Blu-ray Disc Rewritable) or BD-ROM, and a recording/reproducing method thereof are disclosed.... Agent: Harness, Dickey & Pierce, P.L.C
20100177617 - Method and device for reducing a perceived discontinuity in a continuous digital information stream: A method and a device are disclosed for reducing a perceived discontinuity in a continuous digital information stream read back from a first (LO) and a second (L1) layer of a multi-layer record carrier (104), said discontinuity occurring during the transition from the first (LO) to the second (L1) layer.... Agent: Philips Intellectual Property & Standards
20100177618 - Optical pickup device: An optical pickup device includes a diffraction grating 12 for separating a light beam emitted from a semiconductor laser element into at least three light beams. The diffraction grating 12 is divided into three regions by a straight line extending in a direction parallel to a tangent line of a... Agent: Mcdermott Will & Emery LLP
20100177620 - Optical disc device and lens tilt control method: With an optical disc apparatus of the present invention, the number of tracks of an optical disc crossed by a light spot when the tracking control is inactive is measured and stored in a memory for each passage of a predetermined rotation angle. When the tracking control is active, a... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20100177622 - Optical disk reproducing device and optical disk reproducing method: An optical disk reproducing device includes: a semiconductor laser for sequentially emitting singular peak light and singular slope light as laser light when supplied with a driving pulse formed in a form of a pulse and formed of a predetermined singular voltage; an objective lens for condensing the laser light... Agent: Wolf Greenfield & Sacks, P.C.
20100177623 - Optical pickup: An optical pickup has a first optical system and a second optical system. The optical axis of the first optical system and the optical axis of the second optical system are inclined, for example, 45 degrees with respect to the reference plane, and are parallel to each other. A first... Agent: Morgan Lewis & Bockius LLP
20100177621 - Optical pickup device and collimate lens: It is an object of the present invention to provide an optical pickup device being capable of correcting coma aberration induced in a light-condensing optical system including an objective lens for an optical disc and having a reduced size and a reduced thickness in comparison with the conventional art. The... Agent: Wenderoth, Lind & Ponack L.L.P.
20100177619 - Pickup device: A pickup device which, focusing a ray bundle on a track of a recording surface of an optical recording medium to form a light spot, comprises a detection optical system including a photo detector to receive return light reflected from the light spot via an objective lens and perform photoelectric... Agent: Sughrue Mion, PLLC
20100177624 - Optical system with a number of radiation sources: The present invention relates to an optical system for reproducing and/or recording optically readable effects on an associated optical record carrier by means of a number of radiation sources. The number of radiation sources comprises a first radiation source capable of emitting a first radiation beam, and at least a... Agent: Philips Intellectual Property & Standards
20100177625 - Dynamically configurable multiple wavelength photodetector array for optical storage applications: A photodetector integrated circuit (PDIC) capable of being used with at least two different types of optical discs includes a photodetector (PD) array and a switch matrix. The PD array includes a center channel PD and a side channel PD electrically isolated from the center channel PD. The switch matrix,... Agent: Fliesler Meyer LLP
20100177626 - Motor drive circuit, method, and disc device using the same: A back electromotive force detection circuit detects a zero-crossing point by comparing a back electromotive force Vu which occurs in at least one coil of a motor with a center tap voltage at a common node of the coils, and outputs a back electromotive force detection signal. A switching control... Agent: Cantor Colburn, LLP
20100177627 - Motor and storage disk drive using the same: In the base bracket of the motor, the bottom-inner surface of the base bracket includes a first bottom-inner area arranged over a circuit board attaching portion of a bottom-outer surface to which the circuit board is attached, and a second bottom-inner area arranged other than the first bottom-inner area in... Agent: Volentine & Whitt PLLC07/08/2010 > patent applications in patent subcategories. category listing
20100172220 - Near-field light generating element comprising surface plasmon antenna and waveguide with groove: Provided is a near-field light generating element in which as much amount as possible of waveguide light can be coupled with a plasmon antenna. The element comprises a light waveguide and a plasmon antenna comprising a surface or edge for propagating surface plasmon excited by waveguide light, extending to a... Agent: Frommer Lawrence & Haug LLP
20100172221 - Disc cartridge, and disc changer: A disc cartridge includes a storage case storing disc-shaped recording media, disc trays holding the disc-shaped recording media and moved toward one and another sides to be inserted into and extracted from the storage case, and tray levers causing the disc trays to move toward the another side. First, second,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20100172222 - Information reproducing apparatus, servo adjusting method, and the like: When a level ratio of signal levels of at least two recording layers in the measured signal levels of the recording layers lies in a threshold range, the servo adjusting means performs the servo adjustment on one of the recording layers, stores the servo adjustment value in the servo adjustment,... Agent: Drinker Biddle & Reath (dc)
20100172223 - Optical disk apparatus: A servo control of an optical disk apparatus increases a suppression degree of an iterative learning control system, against a frequency disturbance of integer multiple of rotation frequency in a predetermined rotation phase range including a range, in which a servo deviation is detected, of the rotation phase.... Agent: Townsend And Townsend And Crew, LLP
20100172224 - Apparatus and method for controlling current of data line: This document relates to a method and apparatus for controlling the current of a data line. The method may comprise determining a type of an optical disc inserted into the ODD, and differently controlling the current of the data line, coupled to a host, according to the determined type. If... Agent: Birch Stewart Kolasch & Birch
20100172225 - Information recording/reproducing apparatus: An information recording/reproduction apparatus which can reduce the time required for recording power adjustment and suppress consumption of PCA is provided. The information recording/reproduction apparatus is provided with an asymmetry detection circuit which detects a recording state that varies according to a recording power, from a reproduction signal reproduced from... Agent: Wenderoth, Lind & Ponack L.L.P.
20100172227 - Optical disc apparatus and recording power determining method thereof: A method of determining a recording power used to record information to an optical disc, includes carrying out test recording which records predetermined data to a predetermined area of the optical disc to determine the recording power, and recording predetermined data with a power equal to or more than the... Agent: Wenderoth, Lind & Ponack L.L.P.
20100172226 - Information recording medium, reproduction apparatus and recording apparatus: An information recording medium according to the present invention includes three or more information recording layers. Each of the plurality of information recording layers includes a test recording area usable for adjusting a recording condition. One of the plurality of information recording layers includes a reproduction-only management data area in... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP
20100172228 - Voluminal information recording medium, information recording apparatus, information reproducing apparatus , and optical pickup: The present invention makes it possible to use an optical pickup in common with conventional optical disks. In a three-dimensional mark recording layer (111v) of a voluminal medium (100v), information is recorded by forming a three-dimensional record mark (RM) in the vicinity of the focus (Fb) of a blue light... Agent: Wolf Greenfield & Sacks, P.C.
20100172229 - Drawing method, drawing device, and information recording medium: In a drawing method and device, an electron beam is radiated to a surface of an object to draw a pattern along scan lines on the surface of the object. A pattern is drawn along the scan lines on the surface of the object by the electron beam through relative... Agent: Dickstein Shapiro LLP
20100172230 - Optical disc drive apparatus and optical disc reproduction method using the same: An optical disc drive apparatus (100) of the present invention rotates an optical disc (1) at a predetermined rotation speed using a motor (2). An optical pickup (3) irradiates the optical disc (1) with a laser beam (5) emitted from its internal semiconductor laser (4), and obtains a reproduction signal... Agent: Wenderoth, Lind & Ponack L.L.P.
20100172231 - Multilayer optical information medium and optical information processing apparatus therefor, program product and information medium including the same: A disclosed multilayer optical information medium includes three or more information layers. Address information indicating positions in each of the information layers is recorded in a helical manner. The information layers comprise at least one I to O layer in which values representing addresses in the address information increase from... Agent: Dickstein Shapiro LLP07/01/2010 > patent applications in patent subcategories. category listing
20100165801 - System, method and apparatus for internal polarization rotation for horizontal cavity, surface emitting laser beam for thermally assisted recording in disk drive: A horizontal cavity, surface emitting laser (HCSEL) with internal polarization rotation is used in thermally assisted recording in hard disk drives. The desired polarization of the laser is accomplished with two beam reflections off of facets within the diode. The facets are formed in a single ion beam etching step.... Agent: Larson Newman & Abel, LLP
20100165802 - Ridge wave-guide for thermal assisted magnetic recording: According to one embodiment, an apparatus includes a near field transducer comprising a conductive metal film having a main body with front and back edges and a ridge extending from the front edge of the main body. Also, the apparatus includes an optical waveguide for illumination of the near field... Agent: Zilka-kotab, PC- Hit
20100165803 - Disc device: A disc device for recording and/or reproducing information with respect to a disc having flexibility includes a head for writing and/or reading, the head being disposed below the disc; a disc rotating section which rotates the disc; and a head retracting section which retracts the head to a retracted position... Agent: Ditthavong Mori & Steiner, P.C.
20100165809 - Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof: An information recording medium comprises a substrate, a second recording layer, a second light transmitting layer, a first recording layer for recording different information from that to be recorded in the second recording layer, and a first light transmitting layer. The second recording layer is formed with a continuous second... Agent: Connolly Bove Lodge & Hutz LLP
20100165808 - Information storage medium, information read/write device, coordination system, control program for the device or system, and computer-readable storage medium: There are provided at least a first information storage area 20A and a second information storage area 40A. The first information storage area 20A contains, in advance, an OS or mpeg data. The second information storage area 40A is either write-once or rewriteable and available for writing OS update information... Agent: Edwards Angell Palmer & Dodge LLP
20100165810 - Noise removing apparatus and method, and optical pickup: An optical pickup includes: light collecting element for selectively collecting main and sub beams emitted toward an optical disc formed by layering at least first and second recording layers, onto one of first and second recording layers; main and sub light reception elements receiving the main and sub light from... Agent: Young & Thompson
20100165806 - Information processing apparatus, information processing apparatus control method, and storage medium: An information processing apparatus includes a plurality of storage units, a mirroring control unit configured to execute mirroring processing, which includes writing processing for writing same data on each of the plurality of storage units and reading processing for reading data from either one of the plurality of storage units,... Agent: Canon U.s.a. Inc. Intellectual Property Division
20100165805 - Method and apparatus for determining an optimum power level: A fast optimum power control method is disclosed, with a laser power level being adjusted in a predetermined sequence at an ADIP/ATIP frame of an optical recording medium. Jitter is measured at each ADIP/ATIP frame in order to obtain an average jitter value for that particular frame, and hence power... Agent: Philips Intellectual Property & Standards
20100165804 - Method and device for retrieving information from an optical record carrier at various reading speeds: The present invention is related to a method and a reading device (1) for retrieving information from an optical record carrier (10) in which the read power level of a radiation beam (3) for scanning the optical record carrier is set in dependence on the read-out speed. The invention is... Agent: Philips Intellectual Property & Standards
20100165811 - Management of disk drive during power loss: An embodiment of a circuit for maintaining voltage at a voltage bus after a power loss in a hard disk drive system. HDD systems may suddenly lose power and specific tasks, such as parking the read/write head and storing state data may be accomplished using a power generated from back... Agent: Stmicroelectronics, Inc.
20100165812 - Systems and methods for media authentication: A method and system for authenticating a digital optical medium, such as a CD-ROM, determine whether the medium is an unauthorized copy, or the original. The original media is created, or altered, so as to contain anomalous locations from which the transfer of data is accomplished at different rates than... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20100165813 - Optical recording apparatus with high-speed forward laser power control (lpc): The invention relates to an optical recording apparatus on optical carrier or disk, the apparatus has means for sampling a power level of an irradiation beam, e.g. a laser beam, that is capable of recording data in a data region (101) in response to an predefined input signal (NRZ). The... Agent: Philips Intellectual Property & Standards
20100165814 - Dubbing device for dubbing data: The present invention is a dubbing device for dubbing data from a portable first recording medium such as a CD-DA (compact disc digital audio) to a second recording medium such as a hard disk drive (HDD), in which dubbing to the second recording medium with a large capacity is automatically... Agent: Frommer Lawrence & Haug
20100165815 - Gapless audio playback: Various embodiments related to the performance of gapless audio playback of two or more audio tracks are provided. One disclosed embodiment provides a method of performing gapless audio playback comprising rendering a plurality of samples of a current audio track via a current filter graph, and notifying an end-of-stream soon... Agent: Microsoft Corporation
20100165817 - Disc structure for bit-wise holographic storage: An optical disc for micro-holographic data storage, including: optically-enabled material configured to store holographic data; guide grooves; a first coating disposed on the guide grooves and configured to reflect a tracking beam and to transmit a read or record beam; and a second coating disposed to cover the guide grooves... Agent: Ge Trading & Licensing
20100165819 - Mastering and replication of micro-holographic data storage media: A system and method for replicating optical data storage discs (e.g., holographic data storage discs) having multiple layers of data. Master discs providing for respective single layers of data are utilized, and each respective single layer of data from the master discs are replicate onto the optical data storage disc.... Agent: Ge Trading & Licensing
20100165818 - System and method for dual-beam recording and readout of multilayered optical data storage media: A system and method of operating a dual-beam detection system of a holographic data storage disc, including: impinging a data beam on a data layer of the holographic data storage disc; impinging a tracking beam on a tracking element of the holographic data storage disc; detecting a reflection of the... Agent: Ge Trading & Licensing
20100165816 - System and method for tracking in single-bit holographic data storage: A system and method for controlling tracking in a holographic data storage system, including: impinging a beam on a holographic data disc, wherein the beam is reflected from a micro-hologram disposed within the holographic data disc; detecting the reflected beam from the holographic data disc by a multi-element detector; and... Agent: Ge Trading & Licensing
20100165821 - Aspheric lens and optical pickup including the same: s
20100165820 - Optical pickup apparatus and method of controlling the same: An optical pickup apparatus including a motor, a rotary member connected to the motor, the rotary member having a movement part and a stop part, a lead member disposed on the rotary member such that the lead member moves along the movement part and stops at the stop part, and... Agent: Stanzione & Kim, LLP
20100165822 - Thermally assisted recording head having recessed waveguide with near field transducer and methods of making same: According to one embodiment, an apparatus includes a near field transducer comprising a conductive metal film having a main body and a ridge extending from the main body and an optical waveguide for illumination of the near field transducer, a light guiding core layer of the optical waveguide being spaced... Agent: Zilka-kotab, PC- Hit
20100165823 - Optical pickup device and information processor: In an optical beam transmissive adjusting mechanism (110) included in an optical pickup device, arrangement positions of a first transmissive element (111) having a first transmittance and a second transmissive element (112) having a second transmittance higher than the first transmittance are switched by a rotational drive unit (105), and... Agent: Wenderoth, Lind & Ponack L.L.P.
20100165824 - Information carrier, and system for reading such an information carrier: The invention relates to an information carrier comprising a layer (L) for storing data, said layer forming a light-guide having an internal face (IF) having placed thereon a matrix of indentations (ID1, ID2), said indentations (ID1) being shaped so as to deviate part of an input light beam (ILB) applied... Agent: Philips Intellectual Property & Standards
20100165825 - Optical recording/reproducing device: An optical recording and reproducing apparatus is provided for recording standing wave information on an optical recording medium and reproducing standing wave information from an optical recording medium. The optical recording and reproducing apparatus includes an optical head configured to separate a laser beam emitted from a light source (1)... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.
20100165826 - Optical information reproducing method: An optical information reproducing method of reproducing multivalued information recorded on a track of an optical information medium having a recording/reproducing region, which has virtual cells arranged thereon at regular spacings, the multivalued information being recorded thereon by changing a length of an information pit in a track direction or... Agent: Fitzpatrick Cella Harper & ScintoPrevious industry: Horology: time measuring systems or devices
Next industry: Multiplex communications
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