Dynamic information storage or retrieval inventions

20090262608 - Head slider and disk drive: Embodiments of the present invention provide a technique for projecting both a write element portion in writing and a read element portion in reading, and controlling a projecting distance of each write element and read element. According to one embodiment, a light absorbing member and a thermally expanding member are... Agent: Townsend And Townsend And Crew LLP

20090262609 - Disc transportation mechanism and disk processing device: A disc transportation mechanism for a disc processing device holds and transports discs by gripping the center hole of the disc. The disc transportation mechanism has a hole position detector and a position adjustment mechanism. The hole position detector detects the position of the center hole in a disc discharged... Agent: Townsend And Townsend And Crew, LLP

20090262610 - Apparatus having switchable servo gains and offsets for optical disk drive and method thereof: An apparatus having switchable servo gains and offsets for an optical disk drive adjusts its gains and offsets through the coupling of a servo signal and a switch with several changeable paths. The servo signals are either designated to undergo signal reduction with respect to a first offset, through the... Agent: Connolly Bove Lodge & Hutz LLP

20090262612 - Information processing apparatus, information processing method, and computer program: An apparatus and a method for quickly starting recording seamless-playable data are provided. At the end of recording a preceding record content, identification information of a clip information file for a subsequent record content to be recorded next is recorded in an attribute information storage file set for the preceding... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090262613 - Optical disk apparatus and disk identification method: A highly reliable optical disk apparatus adapted to record and reproduce the information in and from plural types of optical disks is disclosed. An acquisition unit acquires a predetermined signal from the reflected light obtained by radiating a predetermined laser on each of the optical disks. A comparator compares the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090262614 - Demodulation of a sampling signal from a storage medium: h

20090262611 - Optical drive with improved laser power control (lpc): The invention relates to an optical drive for recording information on an optical carrier or disk (1). The optical drive has a radiation source (4) controllable by control means (50, 22) having calibrated values for a threshold current (I_THR_O) and a change current (I_delta_O). The control means (50, 22) is... Agent: Philips Intellectual Property & Standards

20090262615 - Optical disc drive and method of controlling the same: An optical disc drive, which is capable of stably controlling a laser diode without having an influence on other data by recording a test pattern in at least one of a run-in area and a run-out area of a recording unit block and detecting the characteristics of the laser diode,... Agent: Stanzione & Kim, LLP

20090262616 - Method and apparatus for determining optical disc recording parameters: A method and apparatus for determining the parameters for disc recording is provided. For those discs that haven't pre-stored recording information or have pre-stored recording information not meeting the quality requirement, according to the method of the present invention, set the initial values of record strategy parameters firstly, then perform... Agent: Philips Intellectual Property & Standards

20090262617 - Information recording device: An information recording device is provided, which is capable of performing physical reformatting at a high speed while avoiding unnecessary substitution processing after the physical reformatting. A disc recording and reproduction drive 1020 records information on an information recording medium including a volume space for recording user data, a spare... Agent: Hamre, Schumann, Mueller & Larson P.C.

20090262618 - Tilt adjusting method and information recording/reproducing apparatus using the same: [Problems] To effectively perform optimal tilt adjustment. [Means for Solving the Problems] A tilt adjusting method adjusts a tilt angle of an actual incident light and reflected light with respect to an incident light and a reflected light under optimal tilt when recording and reproducing data onto/from an information recording... Agent: Sughrue Mion, PLLC

20090262619 - Optical storage media with embedded security device: An optical disk with an embedded security device, or wafer, is presented. The security device includes security features that enable the identification of genuine optical disks versus counterfeit optical disks. Methods for creating optical disks embedded with security devices are also presented. A security device is placed on the center... Agent: Vierra Magen/microsoft Corporation

20090262620 - Methods and devices for detecting wobbles on an optical disc: A device for detecting wobbles on an optical disc is provided, where the device is utilized for generating a wobble signal according to a plurality of detection signals. The device includes an analog signal processing circuit, a pair of analog-to-digital converters (ADCs), and a digital signal processing circuit. The analog... Agent: North America Intellectual Property Corporation

20090262621 - Method and apparatus for inspecting a pattern shape: An apparatus for inspecting a pattern shape of a magnetic record medium or its stamper includes: a moving mechanism, on which an object to be inspected where a pattern is formed is placed and which moves the object to be inspected in a radial direction while rotating the object; an... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090262622 - Integrated standalone optical disc duplication and labeling system capable of recording information on the data side and printing images by direct laser labeling on the opposite side optical disc: Present invention provides a one-stop simplified mechanism of optical disc duplication and labeling, all done within the same integrated standalone system, saving the trouble of multi-step disc handling and the saving the cost of additional expenses related to the use of traditional labeling method such as ink, ribbons and other... Agent: Law Offices Of J.f. Lee

20090262624 - Optical disk apparatus: Provided is an optical disk apparatus which optimizes a frequency of a high frequency superimposing operation upon reproduction so that good reproduction performance is realized in a wide irradiation power range of a laser power. The optical disk apparatus includes: a semiconductor laser device; an optical disk discrimination circuit for... Agent: Fitzpatrick Cella Harper & Scinto

20090262623 - Optical media format: Apparatuses, products, devices and methods, of manufacture consistent with the invention include optically readable media with at least one mechanism, chemical, agent, and/or process for limiting the time period that at least a portion of encoded information can be read and/or accessed by an optical beam and/or reader capable of... Agent: Morris Manning Martin LLP

20090262626 - 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

20090262627 - 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

20090262625 - Optical disk device: An optical disk device is provided to carry out a stable operation of a reflection-type photo sensor which detects a position of an optical pickup unit and to simplify an assembly process. The optical disk device includes: a chassis; an optical pickup unit which is disposed in the chassis and... Agent: Mcdermott Will & Emery LLP

20090262628 - Hologram recording apparatus and method, computer program, and hologram recording medium: A hologram recording apparatus (300) records record information into a hologram recording medium (100) on which a hologram recording layer (11) and a position information recording layer (13). The hologram recording apparatus is provided with: a first recording device (101) for recording the record information into the hologram recording layer;... Agent: Nixon & Vanderhye, PC

20090262629 - Optical head, optical disc device and information recording and/or reproducing device: An optical head is provided with a light source for emitting a first laser beam having a first wavelength shorter than 430 nm, a two-wavelength light source for emitting a second laser beam having a second wavelength equal to or longer than 430 nm, a flat beam splitter in the... Agent: Wenderoth, Lind & Ponack L.L.P.

20090262632 - Apparatus and method for assembling lens module: An apparatus for assembling a lens module, is provided. The lens module includes a lens and a lens holder for receiving the lens. The lens holder has a through hole and a retainer formed in the through hole. The apparatus includes a base for supporting the lens holder, and a... Agent: PCe Industry, Inc. Att. Steven Reiss

20090262631 - Objective lens driving apparatus, optical pickup, and information recording / reproducing apparatus: An objective lens driving device is provided with an objective lens; a lens holder for holding the objective lens; a pair of linear suspension springs for supporting the lens holder at each one end; a spring holder whereupon the other ends the springs are fixed; and a driving means for... Agent: Nixon & Vanderhye, PC

20090262630 - Optical control device, optical information recording/reproducing device, optical information recording medium and optical head control method: An optical controller includes a light source for emitting light, an object lens for condensing light emitted from the light source, a light detection unit for receiving light reflected on an optical information recording medium and outputting a signal corresponding to the amount of the light, and a laser control... Agent: Ratnerprestia

20090262633 - Optical disc apparatus and optical disc replay method: When an optical disc apparatus reproduces information from an optical disc, it converges a reading light beam emitted from an LED to substantially collimated light and projects it to the optical disc to cause it to be reflected by reflection surface thereof so as to make it become a reading... Agent: Wolf Greenfield & Sacks, P.C.

20090262634 - Focus optical system and optical disc master exposure apparatus: In a focus optical system for optical discs or optical disc master exposure apparatuses, a relative positional relation between a cylindrical lens and a 4-division detector in an astigmatic optical system is adjust so that an interference fringe appearing in reflected light derived from an optical disc master is made... Agent: Wenderoth, Lind & Ponack L.L.P.

20090262635 - Objective optical system for optical pickup apparatus, optical pickup apparatus, driving apparatus for optical information recording medium, condenser lens and optical path compounding element: An objective lens system for an optical pickup apparatus, includes in order from an object side: a first lens group having negative paraxial power P1 (mm−1); and a second lens group having positive paraxial power P2 (mm−1) for converging a light flux emitted from the first lens group on an... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090262637 - Passive stylus for capacitive sensors: A passive stylus for capacitive sensors comprises a tip and a shaft. The tip is configured to couple electrically with a capacitive sensing device and to couple physically and electrically with the stylus shaft. The tip comprises a contact surface, a support region, and a flexible region. The contact surface... Agent: Synaptics C/o Wagner Blecher LLP

20090262638 - Spin-torque memory with unidirectional write scheme: Spin torque magnetic memory elements that have a pinned layer, two free layers, and a current-blocking insulating layer proximate to at least one of the free layers. The resistive state (e.g., low resistance or high resistance) of the memory elements is altered by passing electric current through the element in... Agent: Campbell Nelson Whipps, LLC

20090262636 - Wire-assisted magnetic write device including multiple wire assist conductors: A magnetic device includes a write element including a write element tip, and a conductive coil for carrying a write current to induce a first field in the write element. A first conductor proximate a trailing edge of the write pole tip is operable to carry a first assist current... Agent: Kinney & Lange, P.A.

20090262639 - Land prepit signal detecting circuit: A threshold voltage generating circuit detects the amplitude ΔV of the wobble signal included in the push-pull signal, and generates a threshold voltage Vth based upon the amplitude ΔV of the wobble signal thus detected. A first filter removes the high-frequency components from the push-pull signal, thereby extracting the wobble... Agent: Cantor Colburn, LLP

20090262640 - Optical disc manufacturing method, disc master manufacturing method, and optical disc: An optical-disc manufacturing method including the steps of: fabricating a pre-exposure disc master by forming, on a substrate, a heat accumulation layer having a thickness of 17% or less of a recording-laser wavelength and forming an inorganic resist layer; performing exposure of a recording-signal pattern having pits and spaces with... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090257324 - Flexible waveguide with adjustable index of refraction: A flexible waveguide with an adjustable index of refraction. The core layer and/or the cladding layer of a flexible waveguide may include a plurality of nanoparticles having a different index of refraction than the core layer and/or cladding layer. The plurality of nanoparticles may have an index of refraction that... Agent: Pietragallo Gordon Alfano Bosick & Raspanti, LLP

20090257325 - Optical disk medium and method and apparatus for reading information: An optical disk medium includes a track groove thereon. On the optical disk medium, information is recorded along the track groove on a block unit basis. The block unit has a predetermined length. The block unit having the predetermined length includes a number of sub-blocks that are arranged along the... Agent: Panitch Schwarze Belisario & Nadel LLP

20090257326 - Medium management method and storage device: A medium management method is disclosed. A removable medium is conveyed to a drive section when the removable medium is inserted into a medium accommodation section. The drive section reproduces and reads information from the medium and determines whether the medium is a first medium or a second medium on... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090257327 - Optical signal detecting circuit and information reproducing device using the same: An object of the present invention is to achieve both low noise and fast response in an optical signal detecting circuit capable of providing all of three signals—a focus error signal, a tracking error signal, and an RF signal—with only a single detection system. A single current-to-voltage converter converts a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090257328 - Method and apparatus for recording or reproducing on or from optical medium using sbm information: A method and apparatus for recording or reproducing data are discussed. According to an embodiment, the invention is directed to a method for recording data onto a recording medium having a recording layer, the recording layer including an inner area, a data area and an outer area, the data area... Agent: Birch Stewart Kolasch & Birch

20090257329 - Information recording medium, information recording apparatus and method, information reproducing apparatus and method, and computer program: An information recording medium is provided with: a first recording layer in which one portion of record information including predetermined data can be recorded, the predetermined data being (i) capable of setting a recording layer close to a physically or optically recorded state, and (ii) capable of setting the recording... Agent: Young & Thompson

20090257330 - Optical disc drive apparatus and its control method: An optical disc drive apparatus which is mounted on a mobile apparatus, which at least reads information from a disc surface of an optical disc disposed in a predetermined position by using a pickup, which is robust against vibration, and which is capable of preventing collision between the disc surface... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090257331 - Reproduction data recording methods: A reproduction data recording method for an optical storage medium. The method comprises storing additional data to a first temporary region of a memory device; reading the first recorded data from the optical storage medium and storing the first recorded data to the first temporary region; reading a data segment... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090257332 - optical disc reading apparatus and method therefore: An optical disc reading apparatus, such as a Near Filed optical disc reading apparatus, comprises a disc reader (401) which generates a first signal by reading an optical disc (403). A bit detector (407) detects data values in response to the first signal and data reference signals which are indicative... Agent: Philips Intellectual Property & Standards

20090257333 - Integrated circuit, optical disk device, and signal processing method: Before initiation of tracking control, an optical disk device performs an offset amount obtaining operation, in which a difference between a middle value of the amplitude of a tracking error signal and a predetermined reference value is obtained as an offset amount. After the initiation of the tracking control, the... Agent: Mcdermott Will & Emery LLP

20090257334 - Digital signal reproducing apparatus: A digital signal reproducing apparatus includes an analog to digital converter for sampling and quantizing a signal read from an optical recording medium in accordance with a reproduced clock having a frequency which is one-half of a channel bit frequency and outputting an obtained digital RF signal, an offset compensation... Agent: Mcdermott Will & Emery LLP

20090257335 - Audio signal processing method: An audio signal processing method includes the steps of: dividing an audio signal data stream into a plurality of selection segments; determining a target segment in the audio signal data stream, the target segment including a splice point for splicing a splice segment thereto; selecting one of the selection segments... Agent: Ladas & Parry LLP

20090257336 - Device for marking optical discs in a non-destructive, tamper-proof manner for licensing and other purposes: A marking device for marking optical discs in a non-destructive, tamper-proof manner for licensing and other purposes such as part of a digital content library service includes top and bottom structures coupled together by a hinge. The bottom structure is adapted with a mounting post in a recessed area defined... Agent: Patent Department Macrovision Corporation

20090257337 - Optical information recording and reproducing apparatus: An optical information recording and reproducing apparatus includes an optical pickup, a phase conjugate optical system, a disc cure optical system, and a defect discrimination optical system; and an optical detector that receives a light emitted from the defect discrimination optical system and transmitted through or reflected from an optical... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090257339 - Optical head device and optical information recording or reproducing apparatus: There is disclosed an optical head apparatus and an optical information recording or reproducing apparatus capable of obtaining a high light output at a recording time, and a high S/N at a reproducing time with respect to any of disks of next-generation, DVD, and CD standards. Light having a wavelength... Agent: Ostrolenk Faber Gerb & Soffen

20090257338 - Optical pickup objective lens, optical pickup apparatus and optical disc apparatus: A pickup lens has a plurality of ring zones on at least one surface, and steps are formed respectively between the plurality of ring zones. The plurality of steps have step differences causing laser light to have a phase difference to reduce aberration occurring in the pickup lens due to... Agent: Oliff & Berridge, PLC

20090257340 - Optical head: The head includes: a first optical system for converging light from a light source on a first or second storage layer; a second optical system for receiving and transmitting light reflected from the first layer and stray light reflected from the second layer when the light is converged on the... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090257341 - Multilayer optical recording medium: In a multilayer optical recording medium having at least three recording layers, an influence of interlayer crosstalk due to an unnecessary light is removed. Each of the recording layers includes an information recording area, and the recording layers other than the nearest recording layer and the farthest recording layer when... Agent: Mattingly & Malur, P.C.

20090252000 - Adaptive high fidelity reproduction system: Audio is adaptively associated with speakers, depending on the speaker configuration that is present. Each speaker it receives an audio assignment based on its individual spectral characteristics. As more speakers are added, content is adaptively associated with that you speaker, and taken away from the previous.... Agent: Scott C Harris

20090252001 - Adaptive high fidelity reproduction system: Audio is adaptively associated with speakers, depending on the speaker configuration that is present. Each speaker it receives an audio assignment based on its individual spectral characteristics. As more speakers are added, content is adaptively associated with that you speaker, and taken away from the previous.... Agent: Scott C Harris

20090252002 - Near-field light-emitting element and optical head: A near-field light-emitting element includes a transparent medium having a plane of incidence into which a laser beam enters, and a light-condensing plane on which the laser beam having entered the plane of incidence is concentrated, and a metal body provided on the light-condensing plane of the transparent medium having... Agent: Oliff & Berridge, PLC

20090252003 - Optical recording/reproducing apparatus and focus search method: Disclosed is an optical recording/reproducing apparatus capable of performing focus search with high reliability even when a wavefront aberration occurs due to a thickness of a protective layer of an optical disk. The optical recording/reproducing apparatus comprises: an optical system which focuses the beam spot into the recording medium; a... Agent: Sughrue Mion, PLLC

20090252007 - Method and apparatus for recording management information on a recording medium and the recording medium: The write-once recording medium has a data structure for managing temporary defect management areas, TDMAs, of the recording medium, where each TDMA is for at least storing temporary defect management information. In one embodiment, the recording medium includes a TDMA access indicator, TAI, area for selectively storing data indicating which... Agent: Harness, Dickey & Pierce, P.L.C

20090252004 - Light beam output control device, light beam emission control program, and recording medium on which light beam emission control program is recorded: An optical pickup device 100 calculates an error between a detection voltage, a laser, and a target value of each kind of the detected laser beams. If the calculated error is not in a predetermined range for each kind of the laser beams, the optical pickup device makes each kind... Agent: Drinker Biddle & Reath (dc)

20090252006 - Optical disc device and control method: According to one embodiment, an optical disc device includes a semiconductor laser which generates laser light to irradiate an optical disc, and an automatic power control circuit which detects an optical output of the semiconductor laser, sets driving current data equalized to reflect the detection result, and drives the semiconductor... Agent: Knobbe Martens Olson & Bear LLP

20090252005 - Test writing method and information recording device: The object of the present invention is to provide a test writing method for seeking the optimum write power correctly and in a short time under a high speed recording condition in a test writing method and an information recording device for recording information by forming different marks from the... Agent: Juan Carlos A. Marquez C/o Stites & Harbison PLLC

20090252008 - Analysis of optical effects on storage medium: A method of analyzing the quality of optical effects on an optical recording medium as well as applications of the method in connection with optimizing a write strategy and analyzing the write quality for an optical recording medium are disclosed. The method comprising the steps of determining waveforms of a... Agent: Philips Intellectual Property & Standards

20090252010 - Optical disk drive with disk type determination and method of determining a disk type of an optical disk with an optical disk drive: An optical disk drive and a method for determining a disk type are described. The optical disk drive may be arranged to receive a radial error signal while an incident beam is focused onto the optical disk and before tracking the track, to analyze the radial error signal for detecting... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090252011 - Optical information recording/ reproducing device and optical information recording/ reproducing method: An optical information recording/reproducing device includes a liquid optical element containing a liquid crystal polymer layer in an optical head. A liquid crystal optical element drive unit drives a liquid crystal optical element having a first pattern electrode divided into a plurality of region at one side of the liquid... Agent: Scully Scott Murphy & Presser, PC

20090252009 - Positioning control unit and optical disk drive: A position-error-signal calculation circuit (105) calculates a relative position error between a laser-focused-beam spot (103) and an information recording layer (102), and generates a focus error signal (106). A filter (108) amplifies and passes therethrough a signal component in the vicinity of the natural resonance frequency of at least one... Agent: Sughrue Mion, PLLC

20090252012 - Defect inspection method and disk drive using same: Provided are a disk defect inspection method and apparatus. The defect inspection method includes; determining an independent recording density value for disk defect detection in relation to disk drive component factors excepting a disk of the disk drive, and performing a disk defect inspection using the independent recording density value... Agent: Volentine & Whitt PLLC

20090252015 - Brushless motor and disk drive apparatus provided with the same: A brushless motor includes a substantially flat attachment plate and a circuit board. The attachment plate includes a plurality of motor attachment portions and a base portion arranged to interconnect the motor attachment portions. The circuit board is arranged on an upper surface of the base portion and includes a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090252013 - Hydrazide chelate complex compound, optical recording medium using the compound and recording method thereof: In general formula (1), ring A represents an aromatic ring; R1 and R6 each represent an aromatic ring group or a monovalent nonaromatic ring substituent having 20 or less carbon atoms; R2 to R5 each represent a hydrogen atom, an aromatic ring group, or a monovalent nonaromatic ring substituent having... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090252016 - Information recording apparatus and method, and computer program: An information recording apparatus forms a record mark corresponding to a recording signal by applying a laser beam to a recording medium, and includes: a light source for emitting the laser beam; a signal generating device for generating a recording pulse signal for driving the light source on the basis... Agent: Young & Thompson

20090252014 - Optical drive capable of replaying optical carriers with high birefringence: The invention relates to an optical drive for reading information from an optical disk (1) with a high birefringence. A radiation beam (5) has a modulated read power level of frequency F1. A polarizing beam splitter (PBS; 6) guides the reflected beam (8) from the disk (1) towards a photo... Agent: Philips Intellectual Property & Standards

20090252017 - Optical compensator for use in an optical scanning device: An optical compensator for use in an optical scanning device for scanning optical record carriers, there being at least two different information layer depths within two different ones of the carriers, the optical record carriers including a first optical record carrier (3′), a second optical record carrier and a third... Agent: Philips Intellectual Property & Standards

20090252018 - Hologram lens manufacturing apparatus, hologram lens, method of manufacturing hologram lens, information recording apparatus, and information reproducing apparatus: A hologram lens manufacturing apparatus includes: a separation unit that separates a light beam emitted from a light source into a reference light beam and an irradiation light beam; an irradiation light irradiating unit that collects the irradiation light beam so as to have a focal point at a predetermined... Agent: Wolf Greenfield & Sacks, P.C.

20090252019 - Micro optical pickup apparatus: This invention discloses a micro optical pickup apparatus for providing an incident light to an optical recording medium, receiving a reflected light from the optical recording medium, and thereby accessing data of the optical recording medium. The micro optical pickup apparatus includes a light source generating element for producing the... Agent: Wpat, PC Intellectual Property Attorneys

20090252023 - Integrated optical system and method of manufacturing the same and information recording and/or reproducing apparatus using the integrated optical system: An optical system and an information apparatus using the optical system are provided. The optical system includes an optical bench on which a light source and a photodetector including a main photodetector receiving the light are mounted. A lens unit is coupled to the optical bench, and an optical path... Agent: Sughrue Mion, PLLC

20090252022 - Method of manufacturing synthetic resin lens, method of manufacturing reformed synthetic resin material and optical pickup apparatus: A method of manufacturing a synthetic resin lens, comprising: adjusting a degree of change in transmittance of a lens member made of synthetic resin for a blue violet laser beam with accumulated application of the blue violet laser beam, by applying to the lens member an electromagnetic wave shorter in... Agent: SocalIPLaw Group LLP

20090252021 - Multifocal objective lens and optical information recording/reproducing device: m

20090252020 - Optical pickup: An optical pickup according to the present invention includes: an objective lens 1 for converging laser light onto a signal plane of an optical disc 14; a lens actuator 3, 4, 5 capable of moving the objective lens 1 in a direction at least perpendicular to the signal plane of... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090252024 - Signal processing circuit and reproducing apparatus: A signal processing circuit is provided with a signal input layer having a plurality of signal input sections which receive signal input; a plurality of signal processing layers whereupon a plurality of signal processing sections, which are arranged corresponding to each of the signal input sections and processes in parallel... Agent: Nixon & Vanderhye, PC

20090252025 - Method and apparatus of obtaining directivity: A method of obtaining directivity in an optical waveguide includes the steps of falling incident light on surface of diffuse reflection members arranged at a center portion of the optical waveguide, generating a first table relative to an amount of emitted light that is acquired at a circumference of the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.