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Dynamic information storage or retrieval April category listing, related patent applications 04/09

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
04/30/2009 > patent applications in patent subcategories.

20090109803 - 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

20090109804 - Information processing apparatus and reading control method: According to one embodiment, an information processing apparatus, has a reading unit which, if a transfer delay address is found, stores data in the transfer delay address, in a memory, and stores data in a range from the transfer delay address to an additional address located at an outer periphery... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090109805 - Recording medium with overlapping segment information thereon and apparatus and methods for forming, recording on, and reproducing the recording medium: A recording medium, such as a high-density and/or optical recording medium including segment information recorded thereon, and apparatus and methods for recording to and reproducing from the recording medium, in order to improve data protection, data management and/or reproduction compatibility. The recording medium may contain at least one segment area... Agent: Harness, Dickey & Pierce, P.L.C

20090109806 - Te signal polarity determining system and related method thereof: A TE signal polarity determining method, includes: (a) obtaining a wobble related signal, an RF related signal, a TE signal and an accessing direction; and (b) determining if an original polarity of a TE signal should be changed or not according to phases of the RF related signal, the wobble... Agent: North America Intellectual Property Corporation

20090109807 - Te signal polarity determining system and related method thereof: Disclosed is a TE signal polarity determining method, which includes: (a) obtaining a detection signal from an optical disc; (b) obtaining characteristics of the detection signal corresponding to different polarities of the TE signal; and (c) determining whether an original polarity of the TE signal should be changed or not... Agent: North America Intellectual Property Corporation

20090109809 - Laser drive device and information recording/reproducing apparatus using the device: According to one embodiment, a laser drive circuit includes a photodetector which receives part of laser light emitted from a laser element to a recording medium independently of reflection laser light reflected by the recording medium, and outputs an output corresponding to the strength thereof, an integration circuit which integrates... Agent: Knobbe Martens Olson & Bear LLP

20090109808 - Optical head device and information: According to one embodiment, a laser drive circuit which supplies a drive current to a laser element which outputs light at a predetermined wavelength, and a laser control circuit which supplies a predetermined timing pulse for generation of relaxation oscillation in a laser drive current supplied to the laser drive... Agent: Knobbe Martens Olson & Bear LLP

20090109810 - Recording/reproduction apparatus: A recording/reproduction apparatus includes a first recording medium (a flash memory) having a first time that is required for the first recording medium to go from a low-power consumption state to a state in which recorded video data can be read out, and a second recording medium (an HDD or... Agent: Mcdermott Will & Emery LLP

20090109812 - Optical disc device: An optical disc drive includes: a motor for rotating an optical disc; an optical system for irradiating the optical disc with a light beam; a moving mechanism for moving the optical system along the radius of the optical disc; a focus control section for controlling movement of the optical system... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090109811 - Optical disk apparatus, control method, and program: An optical disk apparatus driving an optical disk includes a tilt-angle adjusting unit configured to adjust a tilt angle indicating the tilt of an optical axis of laser light emitted from a pickup to detect an optimal tilt angle at which a traverse signal has the maximum amplitude and a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090109813 - Optical disc device: It is an object of the present invention to provide an optical disc device that achieves more accurate time search. Thus, in a DVD playback device including time search function of performing playback from specified time, control is performed so that, when the specified time for the time search has... Agent: Morgan Lewis & Bockius LLP

20090109815 - Optical disc device and optical disc processing method: According to one embodiment, an optical disc device includes a light source portion which applies laser light to an optical disc, a drive portion which supplies a drive current to the light source portion so as to cause the light source portion to apply laser light of light pulses having... Agent: Knobbe Martens Olson & Bear LLP

20090109814 - Highly adaptive recording method and optical recording apparatus: An optical disk recording method includes the steps of: providing a multi-pulse chain from a recording wave; independently changing the pulse rise timing and pulse fall timing (pulse width) of the first pulse in the multi-pulse chain in accordance with a preceding space length and a recording mark length; changing... Agent: Mcdermott Will & Emery LLP

20090109816 - Optical disc apparatus and optical disc processing method: According to one embodiment, a calibration section controls an LD driving section so as to carry out test writing on a recording layer of an optical disc using a light pulse having relaxation oscillation, irradiates the test-written area with a reproduction laser beam so as to detect reflected light, and... Agent: Knobbe Martens Olson & Bear LLP

20090109817 - Media disc reliability: Damage to removable or non-removable media or to content on the media may prevent access to content on the media. A processor may recognize a defect in the media, for example, due to read errors. The processor may request a “clean” (i.e., undamaged) or replaceable version of the non-readable media... Agent: Woodcock Washburn LLP (microsoft Corporation)

20090109818 - Optical disc recording and reproducing apparatus: A DSP of the DVD recorder includes a balance value setting portion for determining an appropriate value of a focus balance value α when information is reproduced from an optical disc so as to record the determined focus balance value α0 in a balance value storing portion and to set... Agent: Morgan Lewis & Bockius LLP

20090109819 - Optical pickup: A spherical aberration correction mechanism includes a plurality of aberration correction lenses, a movable portion in which the aberration correction lens is held, a fixed portion in which the movable portion is arranged so as to be slidable as well as the aberration correction lens is held, a shaft supporting... Agent: Morgan Lewis & Bockius LLP

20090109820 - Optical disc drive: An optical disc drive according to the present invention can read data from any of multiple types of optical discs, of which the information storage layers are located at mutually different depths under their surface. When this drive is loaded with an optical disc, the servo controller of the drive... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090109821 - Method for determining completeness of optical disc and method for playing optical disc: A method for determining the completeness of an optical disc and a method for playing the optical disc are provided. The method for playing the optical disc includes: performing focusing on and tracking on the optical disc; detecting whether the optical disc contains any data if the focusing on succeeds... Agent: J C Patents, Inc.

20090109822 - External storage module and shock absorption element thereof: An external storage module includes a case, a storage device disposed in the case and a plurality of shock absorption elements. The case has a first connector and the storage device has a second connector corresponding to the first connector, wherein the second connector suits to electrically connect the first... Agent: Jianq Chyun Intellectual Property Office

20090109823 - Local flash memory and remote server hybrid continuous data protection: The present invention provides a way to use flash memory to keep backup copies of the recently modified data. The recently modified data is stored on a local hard drive and replicated (usually with versions) on a local flash drive when the network connectivity does not exist or not sufficient.... Agent: Hoffman Warnick LLC

20090109824 - Information-processing apparatus, information-recording apparatus, information-processing system, information-recording method, program for information recording, and storage medium: An apparatus for processing information is disclosed. The apparatus requests for recording of user data into an information-recording apparatus for recording in an information-recording medium having multiple recording layers, each of the layers having a data area for recording the user data. The medium has a first recording layer to... Agent: Dickstein Shapiro LLP

20090109825 - Optical scanning device: An optical scanning device (3) for scanning a record carrier (2) comprises an objective unit (20) and a diffraction element (14). The objective unit (20) is adapted to transmit an auxiliary radiation beam (21) towards the record carrier (2) in a defocused mode in addition to a main radiation beam... Agent: Philips Intellectual Property & Standards

20090109827 - Coupling lens and optical information recording/reproducing device having the same:

20090109829 - Optical pickup: An optical pickup is provided with a protector which prevents collision between an objective lens and an optical recording medium. The protector includes: a first sheet material which is arranged on an uppermost layer, has durability for abrasion against the collision with the optical recording medium that rotates in high... Agent: Morgan Lewis & Bockius LLP

20090109826 - Optical pickup and optical information storage medium system employing the optical pickup: An optical pickup and a recording and/or reproducing apparatus having the same, the optical pickup including: a light source emitting a light beam; an objective lens focusing the emitted light beam onto a multi-layered optical information storage medium; a polarization dependent optical path changer changing a proceeding path of the... Agent: Stein, Mcewen & Bui, LLP

20090109830 - Optical pickup lens: An optical pickup lens includes a first surface to focus laser light for recording/playback on an optical disc, a second surface formed outside the first surface and radiated with laser light for lens tilt detection, and an antireflection coating to transmit the laser light for recording/playback, the antireflection coating being... Agent: Oliff & Berridge, PLC

20090109828 - Optical system with superlens: An optical system includes an optical recording medium configured to store data and a light device configured to emit a beam of light to write the data to the optical recording medium or read the data from the optical recording medium. The optical system also includes a superlens positioned between... Agent: Hewlett Packard Company

20090109831 - Semiconductor laser device protection circuit, optical pickup apparatus, and information recording/reproducing apparatus: A semiconductor laser device has a cathode grounded and an anode connected to a collector of a transistor. The transistor has an emitter grounded and a base connected to a first external terminal via a first resistor. A digital transistor has a collector connected to the base of the transistor,... Agent: Morrison & Foerster LLP

20090109832 - Recording disc: A second layer is a recording-enabled layer (15) where content data can be additionally written or rewritten and a first layer is reproduction-dedicated layer (14) where no wobble is formed. Furthermore, the reproduction-dedicated layer (14) contains CSS encryption data (17) and an identifier (19) indicating that it is dedicated for... Agent: Young & Thompson

20090109833 - Printable optical disc and manufacturing method thereof: A printable optical disc including an optical disc body, a waterproof protective film, and a first patterned layer is provided. The optical disc body has a printable surface. The waterproof protective film has an upper surface and a lower surface. The lower surface is disposed on the printable surface, and... Agent: Jianq Chyun Intellectual Property Office

04/23/2009 > patent applications in patent subcategories.

20090103401 - Magnetic recording medium, production method for the same, and recording/reproducing method for magnetic medium: A magnetic recording medium with excellent signal characteristics is provided in which the stability of recorded information is ensured even when recording is performed in high density or even when magnetic recording and reproduction are performed while the temperature of a recording film is increased by irradiation with light. The... Agent: Wenderoth, Lind & Ponack L.L.P.

20090103402 - Method and apparatus for generating absolute time in pregroove data: An apparatus and a method for generating an ATIP data are provided. The apparatus, based on a wobble signal generated by reading a re-writable compact disc, generates an ATIP data; the apparatus includes: a frequency demodulator for demodulating the wobble signal to generate an original ATIP data signal; an ATIP... Agent: Perkins Coie LLP Patent-sea

20090103403 - Optical disc apparatus and lens shift correction method: An optical disc apparatus, which executes tracking control for an objective lens by generating a push-pull signal, includes a determination unit which detects symmetry of the push-pull signal and determines whether balance of signal characteristics of the push-pull signal is good, a lens shift amount detection unit which detects, in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090103407 - Information recording medium, information recording device and method, and computer program for controlling recording: An information recording medium (100) includes (i) a first recording layer (L0 layer) having a first track and (ii) a second recording layer (L1 layer) having a spiral or coaxial second track sharing the rotation center with the first track. (iii) The first recording layer has a first point (point... Agent: Young & Thompson

20090103405 - Information recording/reproducing device and the like: An information recording/reproducing device 10 detects recording condition of an area in radial direction of an optical medium 2 using the rotation angle in a layer 0 as a standard when recording given data in a layer 1 of the optical medium 2 and on the basis of the detection... Agent: Drinker Biddle & Reath (dc)

20090103404 - Optic disk drive power management method for computer system: Disclosed is an optic disk drive power management method for a computer system, which uses a keyboard controller, together with a system basic input/output system of the computer and a virtual optic-disk driver, to determine the status of the optic disk drive, including connection and removal of the optic disk... Agent: Rosenberg, Klein & Lee

20090103406 - Optical disc drive: There is provided an optical disc drive comprises an optical pick-up including a laser diode (LD) and a laser diode driver (LDD) for driving the laser diode, a digital signal processor (DSP) including a write strategy circuit and low voltage differential signaling (LVDS) drivers for transmitting a produced write strategy... Agent: Reed Smith LLP

20090103408 - Kind identifying apparatus, kind identifying method, and identifying program: There is provided a type judgment device capable of rapidly and safely identifying the type of an optical disc while preventing unexpected information recording or information erase. An optical beam as parallel light is applied in a circular polarized state to an optical disc having recording tracks and the polarization... Agent: Drinker Biddle & Reath Attn: Intellectual Property Group

20090103409 - Compensating gain of an optical recording apparatus: The present invention relates to an optical recording apparatus capable of recording information on an optical record carrier. Radial tracking control is performed by the 3 spot differential push pull (PP) method. The optical recording apparatus has means for obtaining a first and second difference signal from detection signals of... Agent: Philips Intellectual Property & Standards

20090103410 - Information recording medium, method and apparatus for recording and reproducing information: An information recording medium includes a lead-in area and a data area for storing contents information. The lead-in area includes a first lead-in information area and a second lead-in information area. The first lead-in information area corresponds to a first playback mode. The second lead-in information area corresponds to a... Agent: Louis Woo Law Office Of Louis Woo

20090103411 - Decode device, reproduction apparatus, and method for decoding: A decoding apparatus includes a burst cutting area (BCA) signal interval measuring device which measures a signal interval of a BCA area and which outputs BCA signal interval information, a T converter which obtains T information from the BCA signal interval information, a sequencer which detects a space area based... Agent: Sughrue Mion, PLLC

20090103412 - Recording control apparatus, recording and reproduction apparatus, and recording control method: A recording control apparatus includes a waveform rectification section for receiving a digital signal generated from an analog signal representing information reproduced from an information recording medium, and rectifying a waveform of the digital signal; a maximum likelihood decoding section for performing maximum likelihood decoding of the digital signal having... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090103413 - Waveform equalization control device: A waveform equalization control device includes a waveform equalizer that has a filter provided with a plurality of taps, updates the tap coefficient of each of the plurality of taps in accordance with a tap coefficient signal inputted thereto, causes the plurality of taps to respectively receive a plurality of... Agent: Mcdermott Will & Emery LLP

20090103414 - Cooling in high-density storage systems: In one embodiment an enclosure for a high-density storage system, comprises a backplane to which a plurality of data storage devices may be coupled, a front panel opposite the backplane and defining a first airflow channel adjacent a front side of the data storage devices, a back panel opposite the... Agent: Hewlett Packard Company

20090103416 - Layout method for multiplexed holograms: Methods are disclosed for determining the layout of cure sites/cure spots and/or stack positions on the recordable section of a holographic storage medium. Also disclosed are methods for carrying out pre-curing and stack writing routines for pre-curing, in an appropriate order, bookcases comprising such cure spots in the recordable section,... Agent: Jagtiani + Guttag

20090103415 - Optical recording method, optical recording apparatus, optical recording medium, and optical recording and reproducing method: For the purpose, an optical recording method etc. is provided that comprises a first step of recording an interference image, in which a recording light is irradiated at an optional focusing length X1 in thickness direction of the recording layer, an interference image is formed, and the interference image is... Agent: Sughrue Mion, PLLC

20090103417 - Optical pickup device and information recording/reproducing apparatus: There are obtainable reliable and proper tracking correction and CTC even when fluctuations occur in an irradiation position of a sub-beam in a track at the time of performing tracking correction and CTC using three beams. Five beams (a main beam, sub-beams inA and inB, and sub-beams outA and outB)... Agent: Drinker Biddle & Reath (dc)

20090103418 - Optical disk medium, information recording method, and optical disk drive: Provided are an optical disk drive and a disk format necessary for the optical disk, which are capable of eliminating or reducing a problem of reduction in an effective transfer rate attributable to track jumps caused at a certain interval when performing recording and reproduction of multiple tracks in parallel... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090103419 - Optical pickup device, optical information recording and reproducing device and design, method of optical element: In order to provide an optical pickup device, an objective optical element and an optical information recording and reproducing device that can properly record and/or reproduce information with three different recording densities and that can be realized with a simplified structure and at low cost, the optical pickup device is... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090103423 - Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor: A recording medium includes a substrate having a microscopic pattern, which includes a shape of continuous substance of approximately parallel grooves formed with a convex shaped section and a concave shaped section alternating on a surface of the substrate. A recording layer is formed on the microscopic pattern and a... Agent: Connolly Bove Lodge & Hutz LLP

20090103421 - Object lens actuator, optical pickup and optical disk drive: An object lens actuator comprising a lens holder having an object lens and a first coil; a first magnet fixed to a yoke; plural elastic support parts for supporting said lens holder with a first fulcrum; a moving part for supporting said elastic support parts with a second fulcrum different... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090103420 - Optical pickup and disc drive apparatus: An objective-lens driving device includes a fixed block fixed to a moving base, a movable block having a lens holder configured to hold objective lenses, support springs configured to connect the fixed block and the movable block to each other, a focusing magnetic circuit including a first focusing coil, a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090103422 - Optical recording head device, optical recording apparatus, and recording method: According to one embodiment, an optical recording head device includes a light source which outputs such a relaxation oscillation optical pulse that a full width at half maximum of a single pulse is 820 ps or less, a driving unit for driving the light source, an objective lens which converges... Agent: Knobbe Martens Olson & Bear LLP

20090103424 - Optical record carrier, as well as a method and an apparatus for recording a disc shaped optical record carrier: An apparatus is described for recording an optical record carrier (40). The apparatus is arranged for recording a visually detectable pattern (LBL) at the record carrier in a ring shaped zone (RP). The apparatus is further arranged to record data (Data1, Data2) and a primary data organizing system (FS) wherein... Agent: Leydig Voit & Mayer, Ltd

20090103425 - Optical recording medium having read-only storage area and writeable storage area and recording/reproducing apparatus and method therefor: An optical recording medium having a read-only storage area and a writable storage area and a recording/reproducing apparatus and method therefor. The optical recording medium is a hybrid disc having both the read-only storage area, which is suitable for mass production of information having the same contents, and the writable... Agent: Stein, Mcewen & Bui, LLP

20090103426 - Optical information recording medium based on interference of converging spherical waves: wherein λ is the wavelength of light used to read the information recording medium, m is the order of interference selected from a group consisting of odd integers, MT is the transverse magnification, n is the refractive index encountered by the reading light inside the pits, and d is the... Agent: Ropes & Gray LLP

04/16/2009 > patent applications in patent subcategories.

20090097364 - Head slider: A head slider is used for magnetic record by irradiating a recording medium with tiny spots of light. The head slider includes a slider main body having a bottom surface facing a recording medium and a top surface opposite to the bottom surface, an optical head provided in the slider... Agent: Greer, Burns & Crain

20090097365 - Magnetic layer, method of forming the magnetic layer, information storage device including the magnetic layer, and method of manufacturing the information storage device: Provided are a magnetic layer, a method of forming the magnetic layer, an information storage device, and a method of manufacturing the information storage device. The information storage device may include a magnetic track having a plurality of magnetic domains, a current supply element connected to the magnetic layer and... Agent: Harness, Dickey & Pierce, P.L.C

20090097367 - Optical axis shift correcting device and method, and computer program: An optical axis shift correcting device is provided in an optical information device including irradiation means (11) for applying a laser, an optical system (12, etc.) for guiding a laser applied to an optical disc (2) having a recording track, and a light reception element (17) for receiving the light... Agent: Young & Thompson

20090097366 - Optical disc apparatus and lens shift correction method of optical disc apparatus: An optical disc apparatus includes a first lens shift amount detection unit which detects a first lens shift amount for a objective lens, on the basis of a push-pull signal which is generated in a state in which a main body of the optical disc apparatus is horizontally disposed, a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090097368 - Real time power control for optical recording drives: The invention discloses an optical recording drive for recording data on an optical carrier such as an optical disk of the DVD or BD format. A radiation source is arranged to emit a write pulse train (80) for writing an optically detectable effect (90) i.e. a pit or mark. Photo... Agent: Philips Intellectual Property & Standards

20090097369 - Method for adjusting recording power: A method for adjusting recording power is provided. The addresses of changing recording velocity and section pause points are set. Then, the recording power in the inner circle is tested with the lowest rate, and the recording power on each high rate area is estimated. A required record data is... Agent: Bacon & Thomas, PLLC

20090097371 - Optical disk device and method for detecting defects of optical disk medium: An optical disc device includes an optical head section and a regularity monitoring circuit. The optical head section generates a wobble signal indicating wobbling of a track formed on a recording surface of an optical disc medium based on a reflected light reflected by the optical disc medium. The regularity... Agent: Young & Thompson

20090097370 - Method and apparatus for detecting land pre-pits: Aspects of the disclosure provide a method for detecting land pre-pits. The method can adaptively adjust a threshold for detecting the land pre-pits in order to improve the correctness of detecting. The method for detecting land pre-pits can include extracting a land pre-pit data stream from a reading signal based... Agent: Oliff & Berridge, PLC

20090097372 - Content data recording/reproducing device: Even in the case of copying contents data on a recording medium not compliant with copyright protection, in order to enable the data to be moved to a recording medium compliant with copyright protection, key data to encrypt the contents data is generated per contents data and held in a... Agent: Mcdermott Will & Emery LLP

20090097373 - Jitter counter and optical disc apparatus using same: A jitter counter according to the present invention is connected to a PLL circuit for generating a clock signal, which is necessary for signal processing, from a binary signal, and counts jitters of the binary signal. The jitter counter comprises: a determination signal generation circuit which uses an output signal... Agent: Fish & Richardson P.C.

20090097374 - Optical data recording method: The optical data recording method comprising the steps of: modulating data to be recorded, to generate a plurality of recording modulation codes; and emitting a pulse-like light beam to an optical disc, so that a plurality of recording marks and spaces which have lengths corresponding to the plurality of recording... Agent: Panitch Schwarze Belisario & Nadel LLP

20090097375 - Disk drive device and manufacturing method thereof: Embodiments of the present invention provide a simpler, miniaturizable, and highly reliable hermetically sealed enclosure structure in a disk drive device. According to one embodiment, a hard disk drive (HDD) comprises an HDD main unit, a case for housing the HDD main unit, a lid with a feedthrough function for... Agent: Townsend And Townsend And Crew LLP

20090097376 - Optical disc, its reproducing device, recording device, manufacturing method, and integrated circuit: An optical disc (101) to and from which information can be reproduced and recorded by laser irradiation is provided with a first recording layer (102) and a second recording layer (104). The first recording layer (102) has a first recording mark (103) that is formed in a spiral track. The... Agent: Wenderoth, Lind & Ponack L.L.P.

20090097377 - Secured optical information carrier, and data encryption method and apparatus for recording data in the optical information carrier: An optical information carrier and method and apparatus for securing the carrier are presented. The optical information carrier comprises a recording medium for recording data therein in the form of a first pattern of spaced-apart recorded regions configured to provide a first optical response to incident light, and comprises a... Agent: Houston Eliseeva

20090097378 - Data transmission optical device comprising a source emitting a laser beam: The present invention relates to a data transmission optical device including a source emitting a laser beam for transmitting the data toward an optical sensor. The device has means for collimating the beam. It may be implemented on board an aircraft for transmitting audio or video data to the passenger... Agent: Lowe Hauptman & Berner, LLP

20090097379 - Hologram device: In a hologram device, a reflecting mirror is provided on a light path of reproduction light, the reproduction light is oriented in a direction parallel to an optical recording medium, and, then, a light-receiving member receives the light. Since the light-receiving member need not be provided in a thickness direction,... Agent: Brinks Hofer Gilson & Lione

20090097380 - Optical pickup, optical disk device, computer and optical disk recorder: A diffraction grating is constituted such that directions of diffraction are disposed asymmetrically with respect to the optical axis, by causing light subjected to aperture restriction to have a difference of one half wavelength in the optical path length by making use of the fact that the difference in the... Agent: Wenderoth, Lind & Ponack L.L.P.

20090097381 - Optical pickup and optical information processing apparatus: A disclosed optical pickup for performing at least recording, reproduction, or deletion of information on a first, second, third, and fourth optical recording media having different recording densities includes a first light source configured to emit first light having a first wavelength λ1 corresponding to the first and second optical... Agent: Dickstein Shapiro LLP

20090097384 - Laminated wave plate and optical pickup device using the same: d

20090097382 - Objective lens driving device and optical disc device: Each of sensors (16a, 16b) has a light-receiving portion and a light-emitting portion and outputs a signal according to light received by the light-receiving portion. The sensors (16a, 16b) face an actuator movable portion (26) in the tangential direction. The sensors (16a, 16b) are symmetrically arranged with respect to the... Agent: Scully Scott Murphy & Presser, PC

20090097383 - Optical pickup apparatus: An optical pickup apparatus includes: a light-emitting element for emitting laser light; a collimating lens for causing incident laser light to be converted into an optical beam and for emitting the optical beam thus converted; an objective lens for converging onto a recording surface of a recording medium the optical... Agent: Morrison & Foerster LLP

20090097385 - Information recording/reproducing apparatus: A probe group is composed of, for instance, four probes adjacently arranged, and one modulation circuit is arranged for each probe group. At the time of recoding information, a changeover switch connects one of the four probes with the modulation circuit, and subsequently changes the probes to be connected with... Agent: Nixon & Vanderhye, PC

20090097386 - Recording medium, data use limitating method, and program: A recording medium in which data supplied from an information processing device is recorded includes: position detecting means for detecting a position of the recording medium; user authentication means for authenticating a user intending to use the data; recording means for recording data use limitation information; and data use limitation... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090097387 - Write-once type optical recording medium and fabrication method thereof: To accomplish write-once type optical recording mediums that have excellent recording and reproducing characteristics and producibility and that are capable of being fabricated at low cost. A write-once type optical recording medium 10 has the structure of which an inorganic recording film 6, a dielectric film 4, and a light... Agent: Sonnenschein Nath & Rosenthal LLP

04/09/2009 > patent applications in patent subcategories.

20090092009 - Runout detection method: A method for determining runout disc is disclosed. The method comprises: focusing on a focal point on a disc; driving the disc to spin the disc; generating a crossover signal according to a track of the disc crossing the focal point; and determining that the disc is a runout disc... Agent: Joe Mckinney Muncy

20090092010 - Method and apparatus for determining write strategy parameter values for writing data on an optical disk: The invention relates to a method for determining write strategy parameter values for writing data on an optical disk from a group of optical disks of different types using an optical disk drive, in particular to different types of BD disks. The method includes identifying the type of optical disk,... Agent: Young & Thompson

20090092012 - Device and method of recording/reproducing information into/from a medium: A method for recording/reproducing data to/from a medium by which a table is formed for assigning physical addresses of spare areas of the medium to make the physical addresses be continuous with the last address of logical addresses of a user data recording area, and recording/reproducing is performed by using... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090092013 - Optical disc apparatus, information recording method and information recording medium: When executing an replacement process on a multi-layer recording optical disc, alternate recording regions are successively used starting at the nearest spare area from an objective lens regardless of the layer where the replacement process is generated. Alternatively, in the spare area of each layer, a priority spare area is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090092014 - Recording device and recording method: A recording device for performing recording supporting an optical disk-shaped recording medium having a laminated structure includes a first recording layer and a second recording layer. The recording device includes: a recording section configured to record data in the first recording layer and the second recording layer by irradiating the... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090092015 - Optical disc reproducing apparatus and operation method thereof: An optical disc reproducing apparatus includes: a decode processing circuit configured to generate decoded data by decoding encoded data read out from an optical disc such that the decoded data is written into a buffer memory, and to output a write signal to indicate a data rate when the decoded... Agent: Foley And Lardner LLP Suite 500

20090092011 - Recording and reproducing device: A recording and reproducing device (1) in which, when the power is turned off, the state of the power can be controlled to be in either one of a first power-off state and a second power-off state in which the recording and reproduction device (1) can be started faster than... Agent: Wenderoth, Lind & Ponack L.L.P.

20090092016 - Optical recording/reproducing write strategy method, medium, and apparatus: A write strategy method, medium, and apparatus. The method includes writing a signal to a storage medium by using a predetermined power and an initial write strategy, calculating variation characteristics of a data signal which separately correspond to variations of write strategy parameters, if the written signal does not satisfy... Agent: Staas & Halsey LLP

20090092018 - Recording modulation circuit, recording modulation method and optical disk apparatus: After a transfer error detection circuit detects a transfer error that transfer data from a memory controller to a recording modulation circuit is delayed for a recording clock process, the number of transfer errors is counted in units of sync frame in a transfer error count circuit. When the number... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090092017 - Optical disk device: This optical disk device includes an examination means which examines a first physical characteristic of an optical disk, and a servo means which starts servo control based upon that first physical characteristic. This optical disk device includes a read means which incorporates the examination means, and which reads type information... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090092019 - Information processing apparatus, disc, and information processing method, and computer program used therewith: An information processing apparatus includes a data reading unit that reads a media identifier unique to a disc from an integrated-circuit chip included in the disc, a copy permission request unit that transmits data to a management server, the data including the media identifier read by the data reading unit,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090092020 - Focus servo controlling method and apparatus and optical disk drive using the focus servo controlling method: A method and apparatus for controlling a focus servo of an optical disk drive is provided. The focus servo controlling method includes the operations of, when an operating mode enters into a focus pull-in mode, detecting a period of time that satisfies a first threshold condition, the first threshold condition... Agent: Staas & Halsey LLP

20090092021 - Device and method for detecting blank area in optical disc: A method and a device of distinguishing blank area from non-blank area in an optical disc are provided. An input signal such as a DPD TE signal or RF ripple signal is first filtered to obtain a filtered signal. A subtracting operation of the input signal and the filtered signal... Agent: Wpat, PC

20090092022 - Media processor and control method of media processor: A media processor is capable of keeping disposal history of media regardless of whether the media is externally created media or not. In the media processor, while used media set in a created media storage unit is being conveyed to a media disposal mechanism by a media conveying mechanism, a... Agent: Nixon & Vanderhye, PC

20090092023 - Cleaning tape and method of producing same: A cleaning tape has a base tape made of a synthetic resin and a cleaning layer formed on a surface of this base tape. The cleaning layer has a binding agent and a large number of spherical particles dispersed in the binding agent in a single particle layer. Such a... Agent: Weaver Austin Villeneuve & Sampson LLP

20090092024 - Optical information recording medium, image-recording method and method of utilizing a dye: An optical information recording medium comprises: a recording layer capable of recording and reproducing information by irradiation with a laser light; and an image recording layer capable of recording a visible image and containing a dye as a major component.... Agent: Sughrue-265550

20090092025 - Apparatus and method for erasing storage medium: An apparatus includes an optical pick-up unit (OPU) and a controller. The OPU is used for irradiating light beam to the optical disc. The controller is used for driving the optical pick-up head to apply a plurality of first predetermined erasing powers to a first data area and a plurality... Agent: PCe Industry, Inc. Att. Steven Reiss

20090092027 - Data recording and reproducing device, camera device, and data recording and reproducing method: A data recording and reproducing device includes: a light emitting element that generates light and emits the light toward an optical recording medium; a light emission control section that feedback-controls an emitted light quantity from the light emitting element; a light attenuating drive section that includes a light attenuating section,... Agent: Wolf Greenfield & Sacks, P.C.

20090092028 - 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

20090092026 - Optical disc device and control circuit for optical disc device: An optical disc drive can read data from an optical disc with at least first and second storage layers. The drive includes: a drive mechanism for rotating the disc; an optical pickup, which irradiates the disc in the drive mechanism with converged light and generates a read signal based on... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090092029 - Optical pickup device and information recording/reproduction device: The invention adjusts the positions where the sub beams are shone onto the surface of an optical disc DK by changing the angle of a diffraction grating 211 that is mounted inside an optical pickup. When performing adjustment, the angle of the diffraction grating 211 is performed in three stages:... Agent: Drinker Biddle & Reath (dc)

20090092030 - Optical disk device: Provided is an optical disk device to output a reproduction signal to reproduce an optical disk, including: a light output circuit to output light having a high frequency superimposed thereon; a first light receiving circuit to receive the light to output a first voltage corresponding to an amount of the... Agent: Mcginn Intellectual Property Law Group, PLLC

20090092031 - Optical pickup module and manufacturing method thereof: Disclosed are an optical pickup module and a manufacturing method thereof. The manufacturing method of an optical pickup module includes: forming a wet-etching mask layer at an outer portion of an upper surface of a silicon substrate to be used as a sub mount; etching a middle portion of the... Agent: Birch Stewart Kolasch & Birch

20090092033 - Electric field sensor having vertical structure, fabrication method thereof, and storage unit using the same: An electric field sensor includes a substrate having a low resistive semiconductor layer doped with a high-density dopant as the top layer of the substrate, a high resistive semiconductor layer doped with a low-density dopant, the high resistive semiconductor layer located at a partial area on the low resistive semiconductor... Agent: Sughrue Mion, PLLC

20090092032 - Multiple ferroelectric films: An apparatus includes a first ferroelectric storage layer and a second ferroelectric storage layer adjacent the first ferroelectric storage layer. A coupling layer may be between the first ferroelectric storage layer and the second ferroelectric storage layer. The ferroelectric storage layers may be configured as a data storage medium for... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20090092034 - Optical information recording medium: An optical information recording medium includes: a recording area on which an interfering beam formed where a first beam and a second beam whose converging angle is smaller than that of the first beam overlap each other is recorded as a hologram, the first and second beams being emitted from... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090092035 - Information recording medium and disk apparatus using the medium:

04/02/2009 > patent applications in patent subcategories.

20090086587 - Limited play optical article: An optical article for playback in a player includes a first file comprising a first control logic; and a second file comprising a second control logic. The first file is configured to direct the player to play a first content data stored on the optical article, when the first control... Agent: General Electric Company Global Research

20090086588 - Timing extractor, and information playback apparatus and dvd device using the timing extractor: In a feedforward timing extractor for extracting timing information from a playback signal, a frequency ratio calculation section 2 calculates the ratio between the frequency of the playback signal and the frequency of the output clock of a frequency synthesizer 6 by utilizing a specific pattern and a specific pattern... Agent: Mcdermott Will & Emery LLP

20090086589 - Optical disk having wobble patterns representing control information: An apparatus for reading subdivided information from an optical disk, which comprises a track groove and on which information is recorded along the track groove is disclosed. The apparatus includes an optical head, which irradiates the optical disk with light and generates an electric signal responsive to part of the... Agent: Panitch Schwarze Belisario & Nadel LLP

20090086590 - Signal clamping device and method thereof and related optical storage system: The invention discloses a signal clamping device capable of clamping a signal with a clamp level that is set according to a frequency characteristic of the signal and a method thereof and a related optical storage system. The signal clamping device includes an equalizing unit, a determining unit, and a... Agent: North America Intellectual Property Corporation

20090086591 - Optical disc apparatus and determination method of optimum focus position: An optical disc apparatus includes: a light irradiation unit irradiating light to an optical disc to record and reproduce data; a focus position adjustment unit adjusting a focus position of the light irradiated from the light irradiation unit to the optical disc; a measurement unit measuring a correspondence relation between... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090086592 - Optical disc apparatus switching focus point between layers: A focus jump technique enables focus control on recording layers of a disc in such a manner that its effect is not absorbed by disturbance or a variation in the movement speed of an objective lens. The technique involves monitoring level of a focus error signal and rejecting noise from... Agent: Mcdermott Will & Emery LLP

20090086593 - Optical disc apparatus: For achieving an improvement on recording/reproducing quality of information, with enabling more adequate tilt adjustment, even for an optical disc to be used under a circumstance having a large temperature change, an optical disc apparatus for conducting recording or reproducing of video information onto/from the optical disc 2, through buffers... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090086594 - Recording apparatus and recording method for recording position information of user data: In a write once type optical disc, when ejecting the disc and turning power OFF, it is necessary to update record management data on the disc so that the record management data on the disc coincide with the record management data on the memory. Here, the update of the record... Agent: Townsend And Townsend And Crew, LLP

20090086595 - Optical information recording/reproducing apparatus, optical information reproducing apparatus, and optical information recording/reproducing method: A focal follow-up control circuit performs follow-up control for a focal point on the data recording/reproducing region by reciprocating an object lens provided in a pickup with respect to a rotating direction of a data recording/reproducing region of an optical disk. The focal follow-up control circuit outputs a focal follow-up... Agent: Young & Thompson

20090086597 - Optical disc apparatus and optical disc recording method: Provided is an optical disc apparatus including: an optical pickup configured to form marks and spaces on the optical disc by using a recording power and a erasing power respectively; a control unit configured to write test data on trial on the optical disc while changing the recording power and... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090086596 - Recording unit and method of recording on recording medium: According to one embodiment, a recording unit includes a recording unit for recording data on a recording medium, a laser light source for emitting a laser when data is recorded on the recording medium, a flash memory for storing a previously measured output characteristic of the laser light source, and... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090086599 - Optical disc apparatus and tracking control method: According to one embodiment, an optical disc apparatus includes a pickup which receives reflected light from an optical disc, a tracking error detecting section which detects a tracking error from an output signal of the pickup, a reproducing section which reproduces data in a phase lock state of a data... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090086598 - Servo frame interval correction apparatus, storage apparatus and servo frame interval correction method: One aspect of the embodiment utilizes a servo frame interval correction apparatus which includes a detection unit for detecting a first servo frame formed on said recording medium. The apparatus includes an acquiring unit acquiring a detection time interval between said first servo frame and a second servo frame detected... Agent: Greer, Burns & Crain

20090086600 - Optical disc drive apparatus, camera apparatus, and method for controlling tilt of light beam in accordance with skew in optical disc: An optical disc drive apparatus includes a rotatably supporting drive unit supporting an optical disc, an optical pickup, an angular velocity sensor detecting the magnitude and direction of an angular velocity, a skew estimating section estimating disc skew from the result of detection by the angular velocity sensor, such that... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090086601 - Methods and apparatus for merging pre-rendered and dynamic optical-storage label indicia: An optical storage disc label recorder includes a first memory portion adapted for storing a first set of track-marking data, the first set of track-marking data defining one or more pre-defined images, each pre-defined image having one or more pre-defined fields for dynamic text content, a second memory portion for... Agent: Hewlett Packard Company

20090086602 - Optical information reproducing method, optical information reproducing apparatus and optical information recording medium: Reproduction on an optical recording medium having plural information layers involves the problem of distortion occurring due to interlayer crosstalk and hence deterioration in the quality of a readout signal. At a predetermined radius, a correction coefficient for correcting the amount of fluctuation components is calculated from a readout signal... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090086603 - Light emitting element drive circuit and information recording/reproducing apparatus using such circuit: According to one embodiment, a first switching element which switches a light source, a second switching element which switches a load element connected in parallel to the light source, and a switch which controls the connection between the first and second switching elements and a constant current source. When the... Agent: Knobbe Martens Olson & Bear LLP

20090086605 - Hologram recording and recovering device and holographic recording and recovering method: An object of this invention is to achieve a hologram information recording and recovering device using an angle multiplexing method capable of reducing crosstalk from an adjacent hologram. When a set of incident angles of reference light on a disc in recording a hologram using the angle multiplexing method is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090086607 - Optical information recording and reproducing apparatus: The invention provides an optical information recording and reproducing apparatus which can record and/or reproduce an information on both a holographic storage disc and a conventional optical storage disc, can improve a usability, and can achieve a downsizing and a low cost. The optical information recording and reproducing apparatus can... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090086606 - Optical information recording/reproducing apparatus and disk distinction method: An optical information recording/reproducing apparatus includes an optical source unit that emits an optical beam toward an optical information recording medium mounted on the apparatus, an optical receiving unit that receives a reflected beam of the optical beam reflected from the optical information recording medium or a transmitted beam of... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090086604 - Optical recording method, optical recording apparatus and optical recording medium: To provide an optical recording method, optical recording apparatus and optical recording medium, capable of effective control of light irradiation position, such as focusing control or tracking control, at the time of recording or reproducing and efficiently adjusting the light irradiation position control according to variations in distance between layers... Agent: Sughrue Mion, PLLC

20090086608 - Information recording medium and method for manufacturing same: An information recording medium of the present invention includes N information layers on a substrate (1), where N is an integer of 2 or more. Information is recorded/reproduced by irradiating each of the information layers (11, 12) with a laser beam (4). When the N information layers are referred to... Agent: Hamre, Schumann, Mueller & Larson P.C.

20090086609 - Optical pickup apparatus and drive apparatus having the same: An optical pickup apparatus and a drive apparatus having the same are provided. Second light-receiving elements or third light-receiving elements for receiving ±first-order diffraction light beams from a polarization hologram are arranged outwardly of a circular region having the optical axis of a zero-order diffraction light beam on a light... Agent: Morrison & Foerster LLP

20090086610 - Optical pickup apparatus, optical recording medium driving apparatus, and signal recording/reproducing method: An optical pickup apparatus capable of irradiating an optical recording medium having a plurality of recording layers on which a signal is recorded with laser light includes a light source emitting the laser light, a light-concentrating element concentrating the laser light emitted from the light source on the optical recording... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090086611 - Optical disc drive, optical pickup and optical component used therefor: Provided are an optical pick up and an optical component used for the optical pickup which are capable of preventing or restraining occurrence of deviation and unbalance which are caused by assembly errors during manufacturing of optical components, a temperature variation or the like. The optical pickup comprises a laser,... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090086612 - Optical pickup head and optical recording and replaying device: Optical pickup head comprises two semiconductor lasers for irradiating first to third optical beams, light receiving element for converting an optical signal into an electrical signal, and object lens unit. Object lens unit includes first object lens (object lens for CD, DVD, and HD-DVD) and second object lens (object lens... Agent: Knobbe Martens Olson & Bear LLP

20090086613 - Non-destructive readback for ferroelectric material: An apparatus that provides for non-destructive readback of a ferroelectric material. The apparatus can include a ferroelectric layer with a scannable surface wherein the ferroelectric layer has a compensation charge adjacent the scannable surface. The apparatus also can include an electrode adjacent the scannable surface to sense the compensation charge.... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20090086614 - Optical disk having wobble patterns representing control information: A method for writing a signal on an optical disk is disclosed. The optical disk comprises a track groove on a recording surface thereof, on which information is recorded along the track groove on a block-by-block basis each said block having a predetermined length and where an identification mark indicating... Agent: Panitch Schwarze Belisario & Nadel LLP

20090086615 - Ferroelectric polarization pattern with differing feedback signals: A ferroelectric polarization pattern with differing feedback signals. An apparatus including a ferroelectric layer and a polarization pattern configured in the ferroelectric layer to represent position data. The polarization pattern has a first switchable polarization state domain and a second switchable polarization state domain that are both switchable by an... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20090086616 - Optical disk and method of manufacturing the same: An optical disk having a recording layer on a substrate, a bonding layer which is made of an ultraviolet cured resin bonding the recording layer, a transparent layer which is bonded to the bonding layer, and an overcoating layer which is formed on the transparent sheet and is made of... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090086617 - Method of printing marks on an optical article: An optical article with a plurality of optically detectable marks on a first surface of the optical article, wherein a mark of the plurality of marks has a thickness of less than or equal to about 1 micrometer, and wherein the plurality of optically detectable marks have uniform thickness.... Agent: General Electric Company Global Research

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