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| Application No. | Application Title | Issue Date |
| 20110267934 | OPTICAL PICKUP, OPTICAL INFORMATION DEVICE, COMPUTER, OPTICAL DISK PLAYER, CAR NAVIGATION SYSTEM, OPTICAL DISK RECORDER, AND OPTICAL DISK SERVER To provide an optical pickup and an optical information device, capable of obtaining excellent signal characteristics for an optical disk on and/or from which recording and/or reproducing are performed using a laser. The optical pickup includes an optical detector, a su... | 11/03/2011 |
| 20110149710 | COMPATIBLE OPTICAL RECORDING MEDIUM A format of a recordable optical recording medium is described. The recordable optical recording medium is designed in such a way that it has the appearance of a read-only optical recording medium for most players and recorders. Also described are a method for manufactu... | 06/23/2011 |
| 20110141871 | STORING DATA ON FIBER DATA STORAGE MEDIA A method and apparatus for storing data is provided. One implementation involves providing a fiber medium for storing data, wherein the fiber medium has a characteristic configured to irreversibly change when exposed to write irradiation. The fiber medium is logically p... | 06/16/2011 |
| 20110141872 | STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD According to one embodiment, a write-once type information storage medium comprises a recording layer which is formed by mixing a plurality of organic dye based recording materials whose molecular weights are different from each other, and wherein a mixture ratio of org... | 06/16/2011 |
| 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... | 02/24/2011 |
| 20110007621 | Near Field Optical Head and Information Recording and Reproducing Device A near field optical head includes: a slider provided so as to float from a surface of the magnetic recording medium by a predetermined distance, the slider having a facing surface faced to a surface of the magnetic recording medium; a tipped-shaped near field light gen... | 01/13/2011 |
| 20100309769 | OPTICAL PICKUP In an optical pickup, a photo receiving portion for receiving returned light reflected by an optical disc is adhered and fixed to an optical base. The photo receiving portion has a photodetector and a plate on which the photodetector is loaded. The plate is fixed onto t... | 12/09/2010 |
| 20100278029 | REFLECTING WAVELENGTH PLATE AND OPTICAL PICKUP USING REFLECTING WAVELENGTH PLATE Disclosed is a reflecting wavelength plate that deflects and reflects a light path and adds a phase difference with respect to plural incident light having different wavelengths. The reflecting wavelength plate includes a substrate; a reflecting film laminated on the su... | 11/04/2010 |
| 20100271924 | OPTICAL APPARATUS An optical apparatus according to the present invention comprises an optical base having a bonding surface, and an optical component fixedly bonded to the bonding surface with an adhesive. The optical base has an open hole formed in the bonding surface. The open hole is... | 10/28/2010 |
| 20100246347 | OPTICAL PICKUP DEVICE, OPTICAL INFORMATION DEVICE, COMPUTER, OPTICAL DISK PLAYER, CAR NAVIGATION SYSTEM, OPTICAL DISK RECORDER, AND OPTICAL DISK SERVER An object of the invention is to prevent damage or performance degradation of an optical component constituting a second optical system, and suppress degradation of the recording/reproducing performance of an optical pickup device. A first laser light source 1 emits a f... | 09/30/2010 |
| 20100238774 | METHOD AND APPARATUS FOR RECORDING INFORMATION IN OPTICAL STORAGE MEDIUM, AND MULTI-LAYER OPTICAL STORAGE MEDIUM To record information as an array of optically changed portions arranged along a track in an optical storage medium, a pulsed laser beam is emitted toward the optical storage medium while causing at least one of the optical storage medium and the pulsed laser beam to be... | 09/23/2010 |
| 20100232282 | OPTICAL PICKUP DEVICE An optical pickup device radiates laser light to a disc having a plurality of recording layers in a direction of lamination. The optical pickup device includes an astigmatic element and a spectral element. The astigmatic element allows reflected light from the disc to c... | 09/16/2010 |
| 20100232281 | OPTICAL RECORDING HEAD AND OPTICAL RECORDING APPARATUS An optical recording head includes: a light source; a slider comprising a wave guide which irradiates light from the light source to a recording medium, wherein a grating coupler is formed on an end portion at an opposite side of the waveguide relative to the light sour... | 09/16/2010 |
| 20100226233 | OPTICAL PICKUP DEVICE An optical pickup device includes a first optical system and a second optical system. The first optical system and the second optical system each include a mirror member that reflects light from a light source to change a direction of propagation of the light to a direc... | 09/09/2010 |
| 20100220575 | OPTICAL PICKUP HEAD An optical pickup head includes a first light source, a second light source, a base, a light adjusting unit, and a light guiding unit. The first light source emits a first wavelength light beam to read a first data density optical storage medium. The second light source... | 09/02/2010 |
| 20100208566 | METHOD AND APPARATUS FOR PERFORMING LAYER CHANGES FOR AN OPTICAL DISK DRIVE The invention provides a method for performing layer changes for an optical disk drive. In one embodiment, the optical disk drive intends to move a focus of a laserbeam emitted by a pickup head from a present layer onto a target layer of an optical disk. First, an ampli... | 08/19/2010 |
| 20100165810 | NOISE REMOVING APPARATUS AND METHOD, AND OPTICAL PICKUP An optical pickup includes: light collecting element for selectively collecting main and sub beams emitted toward an optical disc formed by layering at least first and second recording layers, onto one of first and second recording layers; main and sub light reception e... | 07/01/2010 |
| 20100149956 | OPTICAL INTEGRATED DEVICE, METHOD FOR DETECTING LIGHT, OPTICAL PICKUP, AND OPTICAL DISC APPARATUS An optical integrated device includes a light source; a light splitting-and-guiding section that splits a reflected light beam into two end light beams, a connection light beam, and a residual light beam, and guides the two end light beams and the connection light beam ... | 06/17/2010 |
| 20100149949 | OPTICAL PICKUP AND OPTICAL DISC DEVICE An optical pickup according to the present invention includes an integrated circuit element (LDD) 5 for driving first, second, and third semiconductor lasers 3, 4, and 5. The LDD 50 is shaped so as to have a rectangular principal face surroun... | 06/17/2010 |
| 20100142354 | OPTICAL PICKUP DEVICE In an optical pickup capable of removing inter-layer crosstalk, a dark line that may appear in a central portion of a beam is removed. Thereby, an error in a data signal is reduced. Reflected light from a multi-layer disc is split into two parallel bundles with a splitt... | 06/10/2010 |
| 20100118682 | APPARATUS AND METHOD FOR RECORDING DATA ON HOLOGRAPHIC STORAGE MEDIUM Provided is an apparatus and method for recording data on a holographic storage medium. The apparatus includes: a light a light processing unit comprising the holographic storage medium and a light modulator, and recording data on the holographic storage medium using a ... | 05/13/2010 |
| 20100103797 | PICKUP F0R ACCESSING MOVING STORAGE MEDIA AND DRIVE HAVING THE PICKUP A pickup for accessing moving storage media, carrying substantially parallel information tracks, has a carrier, an actuator and suspension elements joining the carrier and the actuator. The actuator has a body and a lens and is movable in a tracking direction and in a f... | 04/29/2010 |
| 20100097918 | OPTICAL RECORDING HEAD, OPTICAL RECORDING HEAD MANUFACTURING METHOD AND RECORDING/REPRODUCING DEVICE Provided is a highly reliable optical recording head which has a small fluctuation of a quantity of light applied on a recording medium due to temperature. The optical recording head is provided with a light guide section for guiding light applied from a light source, a... | 04/22/2010 |
| 20100091633 | METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE AND OPTICAL PICKUP MODULE A flat pre-board plate including connection electrodes, internal interconnections, and external-connection portions is prepared. This pre-board plate is cut at portions each located between adjacent ones of the connection electrodes, thereby forming trenches. A pluralit... | 04/15/2010 |
| 20100054103 | OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS AND METHOD An optical information recording/reproducing apparatus includes a spatial light modulator that converts an irradiation beam emitted from a light source to a single information beam that carries information; an optical system that causes the single information beam to be... | 03/04/2010 |
| 20100054105 | OPTICAL PHASE CONTROLLER AND OPTICAL PHASE CONTROL METHOD An optical phase controller includes an optical phase control element so that a phase of incident light applied to the optical phase control element is controlled. The optical phase control element includes a metal structure having anisotropy in a first direction and a ... | 03/04/2010 |
| 20100046348 | OPTICAL MODULE, OPTICAL COMMUNICATION DEVICE USING THE SAME AND REFLECTIVE OPTICAL PATH SETTING METHOD An optical module having a laser element which emits a laser beam, include an optical path setting material which reflects a part of the laser beam in a predetermined direction; and a shield element which blocks the laser beam that is reflected by the optical path setti... | 02/25/2010 |
| 20090316560 | OPTICAL PICKUP AND INFORMATION EQUIPMENT An optical pickup (100) includes: an irradiating device (101) for irradiating a laser beam (LB); a first light focusing device (104) for focusing the laser beam on the recording medium (10); a collimator device (102) which is disposed ... | 12/24/2009 |
| 20090316561 | Optical Information Recording Method, Optical Information Reproduction Method and Optical Disk Device When a phase shift is to be evaluated, based on a difference between an output from a waveform equalization circuit to equalize an input reproduced signal to a predetermined target equalization characteristic and the target equalization characteristic, the phase shift o... | 12/24/2009 |
| 20090310464 | THREE-DIMENSIONAL OPTICAL INFORMATION CARRIER An optical data carrier is presented comprising first and second recordable media located in at least one first portion and at least one second portion of the data carrier, respectively. These first and second recordable media differ from each other in a storage capacit... | 12/17/2009 |
| 20090290474 | OPTICAL PICKUP APPARATUS AND OBJECTIVE OPTICAL ELEMENT A light flux from the first light source forms a converged spot on first optical information recording medium by only a refraction action of the aspheric surface, or by a combination of the refraction action and an optical action given by at least one of the first phase... | 11/26/2009 |
| 20090285077 | OPTICAL PICKUP DEVICE AND OPTICAL RECORDING MEDIUM INFORMATION REPRODUCTION DEVICE The present invention provides an optical pickup device and optical recording medium information reproduction device that are capable of reproducing information that is recorded on a plurality of kinds of optical discs having different track pitches. With the present in... | 11/19/2009 |
| 20090279408 | OPTICAL DATA RECORDING/REPRODUCING SYSTEM PICKING UP MULTIPLE TRACKS BETWEEN GUARD BANDS The present invention relates to an optical system for performing radial tracking on an optical record carrier (100). The optical system contains light dividing means, e.g. a grating, for separating a light beam into a main beam (52) for reading and/or rec... | 11/12/2009 |
| 20090268571 | Optical recording control method, optical recording control circuit, optical reproduction control method, optical reproduction control circuit, optical recording medium, tracking control method, tracking control circuit, optical recording method, optical recording apparatus, optical reproduction method, and optical reproduction apparatus An object of the invention is to increase a transfer rate in data recording or data reproduction. A beam spot 10 is cyclically moved in a track set with a predetermined pattern. The track set is constituted of adjacent tracks of a predetermined number. In recordi... | 10/29/2009 |
| 20090268582 | OPTICAL INFORMATION REPRODUCING APPARATUS AND METHOD THEREOF An optical information reproducing apparatus includes a light-receiving unit that receives a first reproduction light of an information output from a first region of an information recording layer and a second reproduction light of an information output from a second re... | 10/29/2009 |
| 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... | 10/08/2009 |
| 20090245069 | RECORDING MEDIUM AND RECORDING SYSTEM Disclosed herein is a recording medium on or from which the recording or reproduction of data is stably performed. On the recording medium, data are recorded three-dimensionally by the irradiation of a recording laser beam. The recording medium includes a reflection con... | 10/01/2009 |
| 20090213710 | REPRODUCING INFORMATION FROM ANINFORMATION CARRIER The invention described is an apparatus for reproducing information from an information carrier (11) comprising: a waveform equalizer (6) for obtaining a corrected signal (S′) by performing a waveform equalization to a read signal (S), the waveform equal... | 08/27/2009 |
| 20090213718 | OPTICAL RECORDING DEVICE AND OPTICAL RECORDING AND REPRODUCTION DEVICE An optical recording device includes a light source, a spatial light modulator, a correcting optical system and a light guiding section. The spatial light modulator includes plural pixels, a signal light region that displays a signal light pattern, and a reference light... | 08/27/2009 |
| 20090201785 | OPTICAL PICKUP AND OPTICAL DISC DRIVE An optical pickup has a semiconductor laser device that can emit laser beams with different wavelengths. A beam splitter and objective lens direct the emitted beam onto a rotating optical disc. Reflected light returns through the objective lens and beam splitter to a ph... | 08/13/2009 |
