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Dynamic information storage or retrieval February patent applications/inventions, industry category 02/11

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.
02/24/2011 > patent applications in patent subcategories.

20110044142 - Optical disc apparatus and optical disc reproducing method: An optical disc apparatus includes a light source for emitting laser light, a light source drive unit for driving said light source, an optical element for splitting the laser light into a plurality of light fluxes, an optical element drive unit for controlling the optical element, an element for focusing... Agent: Antonelli, Terry, Stout & Kraus, LLP

20110044143 - Optical recording method, optical recording device, master medium exposure device, optical information recording medium, and reproducing method: An optical recording method for recording information by irradiating an optical disc medium with a modulated write pulse train of laser light variable over a plurality of power levels such that a plurality of marks are formed on the optical disc medium, edge positions of each of the marks and... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20110044144 - 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

20110044145 - Electronic apparatus with adjustable power consumption: The invention provides an electronic apparatus. In one embodiment, the electronic apparatus comprises an analog-to-digital converter (ADC) and an enable device. The analog-to-digital converter converts an analog input signal to a digital output signal with a resolution having a plurality of bits. The enable device dynamically adjusts the resolution of... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20110044146 - Erasure information marking method for burst cutting area of blu-ray disc: An erasure information marking method for a burst cutting area (BCA) of a blu-ray disc (BD) is provided. The erasure information marking method includes obtaining at least four raw data recorded in the BCA; recognizing a record type of the BCA according to the four raw data; obtaining two duplicate... Agent: Jianq Chyun Intellectual Property Office

20110044147 - Writeale optical recording of multi-level oriented nano-structure discs: A method of performing writable optical recording of a medium to form multilevel oriented nano-structures therein, comprises steps of providing a disc-shaped, writable recording medium having a planar surface; and encoding data/information in the medium by forming a plurality of multilevel nano-structured pits in the surface by scanning with a... Agent: Seagate Technology LLC C/o Murabito Hao & Barnes LLP

20110044149 - Multi-layer optical disc and optical disc apparatus: A multilayer optical disc according to the present invention has multiple information layers that are stacked one upon the other. The information layers include at least one layer on which layer number information, indicating its own place in the multiple information layers, and information about the total number of information... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20110044148 - Optical data recording medium and method for reproducing recorded data: An optical data recording medium, in which irradiation of a light beam is used for recording and/or reproducing data includes (i) a substrate having an a rise and/or a recess which are a light-incident surface, (ii) a reflective layer, provided on the light-incident surface of the substrate, for reflecting the... Agent: Edwards Angell Palmer & Dodge LLP

20110044150 - Optical pickup device: The present invention provides an optical pickup device including: a light source for emitting light in a first wavelength range including a wavelength of 405 nm; an optical element for transmitting the light emitted from the light source and guiding the emitted light to an optical disc, and for transmitting... Agent: Hamre, Schumann, Mueller & Larson P.C.

20110044151 - Electronic device: An electronic device that performs at least reading or regeneration of data in or from a hologram disc is characterized by including an objective lens 11 disposed opposite a hologram disc (MH) 1; a laser light source 5 that emits a beam toward the objective lens 11; and a light... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20110044152 - Optical pickup and optical disc apparatus: An optical pickup includes a light source emitting a light beam, a diffraction element diffracting the light beam to separate it into a main beam and a sub beam, an objective lens focusing the main and sub beams onto a desired recording layer of an optical disc, a lens moving... Agent: Wolf Greenfield & Sacks, P.C.

20110044153 - Objective lens and optical data storage apparatus comprising the objective lens: An objective lens is described, which is switchable between a far-field mode and a near-field mode. The objective lens comprises a lens, an optical element having a variable refractive index and a solid immersion lens, which are disposed on a common optical axis, wherein the optical element is arranged at... Agent: Robert D. Shedd Thomson Licensing LLC

20110044154 - Objective lens and optical pickup comprising the objective lens: Optical pickup 24 for operation in the far-field and in the near-field mode comprising a movable part 26 having an objective lens 2 comprising a solid immersion lens 4 and a multifocal lens 6, which are both disposed on a common optical axis A. The multifocal lens 6 comprises a... Agent: Robert D. Shedd, Patent Operations Thomson Licensing LLC

20110044155 - Optical pickup device: An optical pickup device corresponding to a plurality of media is provided. The optical pickup device includes a light emitting system and a light receiving system including a plurality of light sources and a light transmission system shared by the light emitting system and the light receiving system, configured to... Agent: North Star Intellectual Property Law, PC

20110044156 - Optical information recording medium and method for manufacturing the same: An optical information recording medium including a recording layer that can record a large amount of information is manufactured using a simple system. A single recording layer is formed by bonding two optically transparent substrates on which the first photosensitive polymer and the second photosensitive polymer are spread such that... Agent: Snr Denton US LLP

20110044157 - Optical recording medium: An optical recording medium includes: a substrate; an information recording layer that is formed on the substrate and that has a recording film, which contains Zn or Al, Pd, and oxygen and in which the amount of oxygen is larger than that in a stoichiometric composition when Zn or Al... Agent: K&l Gates LLP

02/17/2011 > patent applications in patent subcategories.

20110038235 - Thermally assisted magnetic recording head and magnetic recording apparatus: A thermally assisted magnetic recording head includes a flying slider, a magnetic field generation device mounted on the flying slider, a first waveguide disposed near the magnetic field generation device for guiding incident light from a top surface of the flying slider on a side of the flying slider toward... Agent: Antonelli, Terry, Stout & Kraus, LLP

20110038236 - Near-field light transducer comprising propagation edge with predetermined curvature radius: Provided is a near-field light transducer with a propagation edge in which the generation of defects is suppressed. The transducer is formed of a Ag alloy and comprises an edge, the edge comprising a portion to be coupled with a light in a surface plasmon mode, the edge extending from... Agent: Frommer Lawrence & Haug LLP

20110038237 - Optical disc and physical address format: An optical disc medium comprises a track groove, along which main information is recorded. The track groove is divided into a plurality of blocks. The plurality of blocks each include a plurality of frames. The plurality of frames each include one shape of wobbles indicating sub information, among a plurality... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20110038238 - Recording method, recording device, optical disc, optical disc manufacturing method, and optical disc drive device: In a recording system (1), a personal computer (20) reads out boot information from an optical disc (31) in a predetermined order and records elements of the boot information in contiguous areas on the optical disc (32). In order to thus operate, the personal computer (20) refers to access records... Agent: Birch Stewart Kolasch & Birch

20110038239 - Optical disc apparatus and recording method: A recorded area is reproduced during a suspension of a recording operation; when degradation of the recorded signal is detected (S4, S5) by the signal quality detection means (16), a tilt adjustment is performed in the recorded area, the signal quality of the recorded signal is detected after the tilt... Agent: Birch Stewart Kolasch & Birch

20110038241 - Optical disc recording device: A technique for investigating differences of composition and structural state of a recording layer of an optical disc along with other defects, such as scratches, contamination, warp and distortion, prior to video recording and for setting up appropriate recording conditions in compliance with this result to thereby perform recording is... Agent: Townsend And Townsend And Crew, LLP

20110038242 - Hybrid laser diode drivers that include a state machine: Provided herein are hybrid laser diode drivers (LDDs) that drive a laser diode in response to receiving enable signals from a controller. In accordance with specific embodiments, a hybrid LDD includes a read channel to selectively output a read current, one or more write channel each to selectively output a... Agent: Fliesler Meyer LLP

20110038240 - Method of controlling recording operation and optical disc drive employing the method: Provided are a method of controlling a recording operation in an optical disc drive to improve recording quality and an optical disc drive employing the method. The method includes setting recording power and parameters related to the generation of recording pulses by successively performing an optimum power controlling (OPC) process... Agent: North Star Intellectual Property Law, PC

20110038243 - Method for calibrating offset of micro actuator: A method for calibrating the offset of a micro actuator includes: setting a reference reflective plane with different focus voltage levels; focusing on test points on the reference reflective plane and recording the tracking voltages; selecting a standard focus voltage level; calculating the offset of the tracking voltage for each... Agent: North America Intellectual Property Corporation

20110038244 - Writing method for multilayer optical disc: A writing method for a multilayer optical disc. The method includes: measuring and recording optimum internal gains obtained when the objective lens is located on each inner side of the pick-up head, respectively, checking the writing direction based on the specific writing direction on each data layer of the disc,... Agent: Rabin & Berdo, PC

20110038245 - Data compression/decompression method, data decompression method, and optical disc drive utilizing the method: A data compression/decompression method for operation of an optical disc drive is disclosed. The method comprises: obtaining data; and compressing at least one part of the data to generate compressed data, when the part of the data meets a predefined rule.... Agent: North America Intellectual Property Corporation

20110038246 - Voltage pattern for ferroelectric recording head: The presently disclosed technology teaches an improved voltage pattern for conductive tips utilized as moveable top electrodes for writing data bits into ferroelectric media. A conductive tip is dragged in contact or near contact with a ferroelectric surface forming a moveable top electrode on a ferroelectric media disk. A metallic... Agent: Hensley Kim & Holzer, LLC

20110038247 - Hard disk damping device: A hard disk damping device is disclosed, which includes a hard disk having at least one long side and at least one short side, a side bracket disposed on the long side and having at least one salient, and at least one damping structure disposed on the side bracket. The... Agent: Rabin & Berdo, PC

20110038248 - Optical storage medium comprising inverted super-resolution pits and lands: The optical storage medium comprises a substrate layer, a data layer having a pit/land data structure with data arranged in tracks on the substrate layer, and a nonlinear layer with a super-resolution structure disposed on the data layer, wherein a land having a size below the diffraction limit is inverted... Agent: Robert D. Shedd, Patent Operations Thomson Licensing LLC

02/10/2011 > patent applications in patent subcategories.

20110032808 - Integrated circuit, information recording/reproducing apparatus, and signal processing method: An information recording/reproducing apparatus including an optical pickup unit for generating an RF signal performs signal processing to acquire, at a restart of recording after a halt of recording, a data ID to be used as a reference for specifying a recording restart position in the recording medium based on... Agent: Mcdermott Will & Emery LLP

20110032806 - Optical disc and optical disc apparatus: An optical disc recording method for recording disc information to be used in recording/reproducing control on an optical disc, comprises the following steps of: providing a first disc information unit and a second disc information unit, each having a predetermined data size, in a predetermined management information area of the... Agent: Mcdermott Will & Emery LLP

20110032807 - Optical pickup device and optical disk device including the same: An optical pickup device is provided. In an optical pickup device, a light receiving element has light receiving regions for focusing as part of the plurality of light receiving regions. A diffraction element has diffraction regions for focusing as part of the plurality of diffraction regions. A part of division... Agent: Morrison & Foerster LLP

20110032805 - Information recording medium, reproducing device and reproducing method: An information recording medium according to the present invention includes at least three information recording layers. If the readout power of a laser beam in reading information from an information recording layer L(n) is identified by Pw(n), and if the readout power of the laser beam in reading information from... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20110032809 - Information recording medium evaluation method, information recording medium, method for manufacturing information recording medium, signal processing method and access control apparatus: A method for rating an information recording medium according to the present invention includes the steps of: receiving a digital read signal, which has been generated based on an analog read signal representing information that has been read from the information recording medium, and shaping the waveform of the digital... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20110032810 - Master device: The invention relates to a master device which can be used in a method for producing a recording medium, a substantially spirally or concentrically running main track structure and at least one substantially spirally or concentrically running secondary track structure being formed on the master device, the secondary track structure... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20110032811 - Diffractive optical element, objective optical system including the same, and optical pickup including the same: A diffractive optical element includes a first optical part and a second optical part bonded to each other with a bonded surface therebetween configured as a diffraction surface. In this diffractive optical element, the diffraction order of diffracted light with the largest quantity of light out of diffracted light for... Agent: Mcdermott Will & Emery LLP

20110032812 - Optical head device and optical disk playback system: Means for Solving the Problem: By using an aperture control means that makes an exit pupil diameter of an objective lens that is provided across a beam return path to make an effect on the reflection light from the optical disk, larger than an exit pupil diameter of the lens... Agent: Birch Stewart Kolasch & Birch

02/03/2011 > patent applications in patent subcategories.

20110026376 - Spectrum sensing network for cognitive radios: Cognitive radio devices, methods and systems are generally described. In some examples a communication system includes a cognitive device and a communications device. The cognitive device may include a cognitive receiver for processing a cognitive task, an antenna for receiving radio frequencies in communication with the receiver, and a communications... Agent: Evan Law Group LLC

20110026377 - Thermally-assisted magnetic recording head comprising light source with photonic-band layer: A thermally-assisted magnetic recording head is provided, in which a light source having sufficiently high output power for performing thermal-assist is disposed in the element-integration surface of the substrate to achieve improved mass-productivity. The head includes: a light source having a multilayered structure including a photonic-band layer and having a... Agent: Frommer Lawrence & Haug LLP

20110026378 - Heat-assisted magnetic recording head with laser diode: A heat-assisted magnetic recording head includes a slider, and an edge-emitting laser diode fixed to the slider. The slider includes: a substrate; and an MR element, two reproduction wiring layers, a coil, two recording wiring layers, a magnetic pole, a near-field light generating element, and a waveguide that are stacked... Agent: Oliff & Berridge, PLC

20110026379 - Heat-assisted magnetic recording head with laser diode: A heat-assisted magnetic recording head includes a slider, and an edge-emitting laser diode fixed to the slider. The slider has a waveguide and an overcoat layer that covers the waveguide. The laser diode has an emitting end face including an emission part for emitting laser light, and a bottom surface.... Agent: Oliff & Berridge, PLC

20110026380 - Reproducing device and reproducing method: A reproduction device, contains a rotatable operation disk part for performing an input related to reading of data stored in a memory and a capacitance sensor section for outputting a sensor value expressing a change of a capacitance according to depression of the rotatable operation disk part. The device also... Agent: Sheehan Phinney Bass & Green, PA C/o Peter Nieves

20110026382 - Optical pickup device, optical disc device and focus adjusting method: An optical pickup device includes an astigmatism element which imparts astigmatism to laser light reflected on a disc, a spectral element which changes propagating directions of four light fluxes obtained by dividing a light flux of the laser light reflected on the disc to disperse the four light fluxes from... Agent: Ditthavong Mori & Steiner, P.C.

20110026384 - Information recording apparatus and information recording method: An information recording apparatus for recording additional content on a medium on which a title including one or more files is already recorded, includes means for designating a title to be added on the medium; means for transmitting disc package information, the disc package information and unique IDs; means for... Agent: Birch Stewart Kolasch & Birch

20110026383 - Reproduced signal evaluation method and write adjustment method: The present invention aims to provide a reproduced signal evaluation method and a write adjustment method for offering a Blu-ray disc having a large storage capacity with excellent media compatibility. An evaluation index L-SEAT is calculated through signed addition using a Euclidean distance difference calculated from at least one of... Agent: Antonelli, Terry, Stout & Kraus, LLP

20110026385 - Semiconductor storage device, semiconductor device and optical disc reproducing device: A semiconductor storage device including a memory cell and having a function of refreshing the memory cell, includes a clock generation circuit configured to receive a first clock, generate a second clock based on an inversion of the first clock, and output the second clock. The semiconductor storage device performs... Agent: Mcdermott Will & Emery LLP

20110026386 - Optical disc recording apparatus, computer-readable recording medium recording a file management program, and optical disc: An optical disc recording apparatus for recording a video object onto an optical disc. A recording area of the optical disc is divided into a plurality of zones which each include a plurality of adjacent tracks. The optical disc recording apparatus includes: a reading unit for reading from the optical... Agent: Wenderoth, Lind & Ponack L.L.P.

20110026381 - Optical disk apparatus and its reproducing method: Amplitude and frequency of a high-frequency signal superposed on a reproduction laser beam are changed in accordance with a reproduction spot diameter on the surface of the recording layer upon discrimination of an optical disk in initial adjustment after insertion of the optical disk and change of a layer of... Agent: Mcdermott Will & Emery LLP

20110026387 - Recording device and method of adjusting laser power: A recording device including: an optical head section for irradiating a recording medium with laser to record and reproduce information; a laser driving section for driving the optical head section to output laser; and a control section for, in a process of adjusting recording laser power output from the optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20110026388 - Method for calibration focusing error signal of lightscribe disc: A method for calibrating a focusing error signal of a lightscribe disc includes the following steps. An optical pickup head is moved to a focusing reference surface by utilizing radial voltages to some predetermined measuring positions to find and record the best gain value used to calibrate the asymmetry of... Agent: North America Intellectual Property Corporation

20110026389 - Optical pickup device and optical disc device: An optical pickup device includes an astigmatism element which sets focal line positions to be defined by convergence of laser light away from each other, a diffraction element which diffracts four light fluxes obtained by a light flux of the laser light to disperse the four light fluxes from each... Agent: Ditthavong Mori & Steiner, P.C.

20110026390 - Optical information recording/reproducing device, optical unit, and optical information recording method: An optical unit is provided with a light source; a light dividing means for dividing light emerging from the light source into a first light and a second light; a light converging means for converging the first and second lights at the same position in the recording layer in the... Agent: Mr. Jackson Chen

20110026391 - Write-once information recording medium, information recording apparatus, information recording method, information reproducing apparatus and information reproducing method: According to the present invention, multiple space bitmaps (SBMs #0 and #1 30) are provided for the user data area of each recording layer. A disc management structure update unit including one of those space bitmaps and a disc definition structure (TDDS 32) and having a size of one block... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

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