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| Number | Title | Issue Date |
| 7929394 | 1033Multiplane information storage system and record carrier for use in such a system An information storage system is described which comprises a reading device (6) and an optical record carrier (5) having at least two information planes (1, 2, 3). The radiation from the record carrier is converted in a detection system (15 | 04/19/2011 |
| 7701835 | Recording medium having data structure for managing reproduction of data streams recorded thereon and recording and reproducing methods and apparatuses The data structure includes a navigation area of a computer readable medium storing navigation data associated with a data stream representing a portion of at least one reproduction path. The navigation data includes indication information, and the indication inform... | 04/20/2010 |
| 7593298 | Method and apparatus for recording and reproducing information on and from optical disc An apparatus for recording and reproducing an information signal on and from an optical disc includes a memory. The information signal is written into the memory. The information signal is read out from the memory. An optical head generates a laser beam in response ... | 09/22/2009 |
| RE40895 | Optical head and apparatus for and method of storing and reproducing optical information In a optical head, a beam is emitted from a light emitting element in which a plurality of light sources are integrally formed, the light sources being able to emit beams having different wave lengths from one another. An optical system converges the beam coming fro... | 09/01/2009 |
| 7539101 | Method for detecting defect signals on a disc The present invention provides a method for detecting disk defects of a blank optical disk in a recording and reproducing system when a data-recording operation is performed. In the embodiment, an ATIP and the carrier signal of the ATIP signal, ATFM signals, are com... | 05/26/2009 |
| RE40639 | Optical disc and optical disc address reading apparatus and method An optical disc having marks for dispersed addresses that can be easily detected with high precision. A dispersed address comprises synchronization marks, positive marks, and negative marks. Synchronization marks, positive marks, and negative marks are formed along ... | 02/17/2009 |
| 7463560 | Optical disc device In an optical disc device of the present invention, time differences among the focus error signal corresponding to the surface of the optical disc, the focus error signal corresponding to the first reflection layer, and the focus error signal corresponding to the se... | 12/09/2008 |
| 7463561 | Optical pick-up head, optical information apparatus, and optical information reproducing method An optical information apparatus of the present invention includes: an optical pick-up head including: a light source; a diffraction unit; a condensing unit; a beam splitter; a photodetector; and a tracking error signal generator. An optical recording medium has tra... | 12/09/2008 |
| 7460448 | Optical pick-up head, optical information apparatus, and optical information reproducing method An optical information apparatus of the present invention includes: an optical pick-up head including: a light source; a diffraction unit; a condensing unit; a beam splitter; a photodetector; and a tracking error signal generator. An optical recording medium has tra... | 12/02/2008 |
| 7457220 | Information recording device and method, information recording medium, and recording control computer program An information recording device includes: acquisition elements for acquiring corresponding definition information, arrival time information, and display time information from a primary recording medium; processing elements for converting the display time indicated b... | 11/25/2008 |
| 7453790 | Information storage medium and method and apparatus for recording data thereon An information storage medium and a method and apparatus recording data to the information storage medium, the information storage medium having a write pattern for recording data, the write pattern including at least one pulse and a number of the at least one pulse... | 11/18/2008 |
| 7453782 | Write-once read-many information recording medium, information recording method, information reproduction method, information recording apparatus, and information reproduction apparatus A write-once read-many information recording medium is provided, which is capable of easily searching for a latest DDS and a latest defect list. At least one disc management working area is sequentially allocated in a predetermined direction on the write-once read-m... | 11/18/2008 |
| 7447126 | Recording device, and related control method, computer program and system LSI A recording device executes unattended recording after suspending dubbing when a preset recording time draws near during the dubbing, and saves dubbing-status information showing the suspension position of the dubbing. The recording device reads the dubbing status i... | 11/04/2008 |
| 7440375 | Information recording device and method There is provided an information recording device for recording record information onto an information recording medium having a plurality of recording layers. The information recording device includes: write elements capable of writing record information into the r... | 10/21/2008 |
| 7440369 | Information recording device and method, and computer program An information recording device comprising a recording unit that records recording information by applying a laser beam to an information recording medium having a first recording layer for recording recording information by being irradiated with a laser beam and a ... | 10/21/2008 |
| 7440376 | Operation condition setting system The present invention makes it possible to set an operating condition enabling the best recording characteristic to be obtained for any kind of recording media, even in the case where the recording medium is combined with any kind of drive devices. According to the ... | 10/21/2008 |
| 7436745 | Method and apparatus for establishing manufacturer-specific test writing parameters for writing of writable optical storage media According to an embodiment, there is provided an optical storage media recording/reproducing apparatus for calibrating an amount of light energy output by the recording/reproducing apparatus during a recording operation, the recording/reproducing apparatus comprisin... | 10/14/2008 |
| 7433293 | Optical disc recording medium and method of manufacturing the same An optical disc recording medium of the present invention comprises a first substrate (11) having a physically pre-formatted surface; a reflective film (12) formed on the pre-formatted surface of the first substrate (11); a transparent layer ( | 10/07/2008 |
| 7430157 | Recording device, recording method, reproducing device, and reproducing method To enable a physically rewritable disc to be appropriately used as a write-once type. When the rewritable disc is used in rewritable application, the position where writing of a predetermined data unit (for example, an ECC block) in data is started is set to ... | 09/30/2008 |
| 7430158 | Music player with adjustable pitch controller A media player having variable pitch is disclosed. The player incorporates a memory buffer that is responsive to a user-designated pitch adjustment. The result is that a user can manually control and adjust the pitch of prerecorded CDs and MP3s or other digital medi... | 09/30/2008 |
| 7428202 | Write-once read-many information recording medium, information recording method, information reproduction method, information recording apparatus, and information reproduction apparatus A write-once read-many information recording medium is provided, which is capable of easily searching for a latest DDS and a latest defect list. At least one disc management working area is sequentially allocated in a predetermined direction on the write-once read-m... | 09/23/2008 |
| 7426161 | Optical recording method and apparatus with different recording rates An optical recording method and apparatus with different recording rates are provided for effectively increasing the average recording rate. The optical recording method includes the steps of: controlling a recording rate with a constant linear velocity (CLV) contro... | 09/16/2008 |
| 7420909 | Write once recording medium, recording device and recording method for write one recording medium, and reproduction device and reproduction method for write once recording medium A temporary defect management area 14 is placed between a control information recording area 12 and a data area 11. Before a recording medium 10 is finalized, defect management information is temporarily recorded into the temporary defect... | 09/02/2008 |
| 7417931 | Information recording method, information recording apparatus and information recording medium An information recording method is provided, which comprises the steps of (a) determining a power level of a pulse sequence, (b) generating the pulse sequence based on the power level determined, and (c) irradiating an information recording medium with light corresp... | 08/26/2008 |
| 7417941 | Optical disc and method of protecting same An optical disc for storage and retrieval of digital data, and a system and method for protecting the optical disc is disclosed. The optical disc has projections or embossments on one or both major surfaces. When the optical disc is placed on a substantially flat su... | 08/26/2008 |
| 7417933 | Information recording method and apparatus with suppressed mark edge jitters Recording information is disclosed in which an information recording medium is irradiated with a recording energy beam that is power-modulated into at least a record power level and a record-ready power level lower than the record power level. The information is rec... | 08/26/2008 |
| 7414927 | Actuator of optical pick-up device An actuator of an optical pick-up device includes two fixing frames, a lens holder disposed between the fixing frames and provided with a focusing lens, coils, and a reflection mirror having a central portion thinner than other portions where the coils are located, ... | 08/19/2008 |
| 7414925 | System and method for providing telephonic voice response information related to items marked on physical documents The present invention discloses a system and method to telephonically access information related with items printed on a physical document, simply by touching with a finger items marked on the physical document or on any other physical surface. The system includes a... | 08/19/2008 |
| 7414930 | Method of accessing data on a copy protected data carrying disc The method and apparatus described utilise the fact that CDs manufactured from the same master will have distinctive physical characteristics attributable to the physical manufacturing process of the master to distinguish counterfeit CDs from genuine discs. For a ge... | 08/19/2008 |
| 7411889 | Optical disc with wobbled tracks and apparatus using this optical disc Address information is formed by M wobbles (integer M is the number of wobble waves) per bit as a basic unit, and is NRZ-recorded. Also, a sync signal used in sync detection of the address information is formed by N wobbles per bit as a basic unit (integer N is the ... | 08/12/2008 |
| 7411877 | Dislike recording media, a method for detecting forged disks, an anti-forgery system for performing a true-false judgment based on information collected from the recording media, and a manufacturing apparatus for recording information in the disks A recording medium includes first information selected from a plurality of information patterns and second information selected from another plurality of information patterns for the true-false judgement. A true-false judging device performs a statistic analysis whe... | 08/12/2008 |
| 7411872 | Servo-tracking and three-dimensional alignment in page-based data optical storage A system for page-based optical data storage includes a sensor array positioned to track a data page when the data page is optically read from or recorded to a storage medium. A servo mechanism is used to position the sensor array. A plurality of alignment points ar... | 08/12/2008 |
| 7411878 | Apparatus and method for reproducing audio file A method of reproducing an audio file includes: applying a reproducing mode established based on an attribute information; obtaining at least a part of the audio file under the established reproducing mode; and determining whether the audio file is reproducible unde... | 08/12/2008 |
| 7411874 | Recording and/or playback device A disk recorder/player (1) including a skew adjusting means of a thin design is provided which includes a base (101), a disk rotation driving mechanism (102) for an optical disk (4), an optical pickup (103), first and second guide ... | 08/12/2008 |
| 7408851 | Pseudo multi-channel play-back apparatus Compressed audio data for 5.1 channels stored in the DVD-ROM 11A is read by the AC-3 decoder 12 of a pseudo multi-channel stereo play-back apparatus and, after expansion, stored temporarily in a buffer 13, channel by channel. Among stored audio ... | 08/05/2008 |
| 7408871 | Optical disc with wobbled tracks and apparatus using this optical disc Address information is formed by M wobbles (integer M is the number of wobble waves) per bit as a basic unit, and is NRZ-recorded. Also, a sync signal used in sync detection of the address information is formed by N wobbles per bit as a basic unit (integer N is the ... | 08/05/2008 |
| 7400569 | Optical disc with wobbled tracks and apparatus using this optical disc Address information is formed by M wobbles (integer M is the number of wobble waves) per bit as a basic unit, and is NRZ-recorded. Also, a sync signal used in sync detection of the address information is formed by N wobbles per bit as a basic unit (integer N is the ... | 07/15/2008 |
| 7397744 | Recording and/or reproducing method and apparatus In a write-once recording medium, an optimum updating of the management information and a simple matching processing are to be achieved. To this end, in a system of a write-once medium, rendered accessible at random by employing the write/non-write indicating inform... | 07/08/2008 |
| 7397736 | Optical disc device and tracking controlling method therefor Disclosed is an apparatus which includes a tracking error detection circuit, for detecting tracking error signal from outputs of a photodetector, a peak/bottom detection circuit for detecting peak and bottom values of the tracking error signal, a difference circuit ... | 07/08/2008 |
| 7391705 | Optical information recording apparatus, information processing apparatus, optical information recording medium, optical information recording method, and computer-readable storage medium An optical information recording method records information with respect to an optical information recording medium having a multi-layer structure recording layer formed by a plurality of recording layers each capable of recording information, and carries out an Opt... | 06/24/2008 |
