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| Number | Title | Issue Date |
| 8159926 | Information recording medium, and recording method and reproducing method thereof An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to a pit arra... | 04/17/2012 |
| 8149681 | Combination type optical disk medium, its reproduction method and optical disk apparatus A combination type optical disk medium and recording or reproducing method in which the medium include first and second recording layers based on different recoding densities. First and second volume spaces are formed to the first and second recording layers, respec... | 04/03/2012 |
| 8144566 | Information recording medium and information recording apparatus An information storage medium according to the present invention has n information storage layers (where n is an integer and n≧3), on which data can be written with a laser beam and which are stacked one upon the other. Each of the n storage layers has a test writ... | 03/27/2012 |
| 8134909 | Optical information storage medium, optical information storage medium playback apparatus, method of controlling optical information storage medium playback apparatus, control program of optical information storage medium playback apparatus, and storage medium storing the program therein A super resolution medium (1) is provided with an information signal region (11) where a content, such as a video or audio content, is recorded and a test read region (12) where reproduction setting value adjustment information is recorded for a... | 03/13/2012 |
| 8125879 | Apparatus and method for recording and/or reproducing data to/from recording medium A recording medium, comprising a data area including a segment region and a replacement region; a first control data area storing access control information for controlling access to the segment region; and a second control data area storing defect control informati... | 02/28/2012 |
| 8125880 | Information recording apparatus and method, computer program An information recording apparatus (200) is provided with: a recording device (353) for recording data onto an information recording medium (100) being provided with a first recording layer (L0) and a second recording layer (L1); a... | 02/28/2012 |
| 8116193 | Optical recording medium, manufacturing method for optical recording medium, and reproducing method for optical recording medium An optical recording medium includes a main-information area in which a metal reflection film is formed on a substrate where a row of pits is formed as main data, and a sub-information area in which is recorded medium identification information, which is used to ide... | 02/14/2012 |
| 8111604 | Fabrication method of multilayer optical record medium and recording apparatus for multilayered optical record medium A fabrication method of a multilayer optical recording medium having a plurality of recording layers, comprises a step of preparing an optical recording medium having at least one record area; a write-position mark generating step of recording write-position marks i... | 02/07/2012 |
| 8098566 | Optical disc, optical disc drive, optical disc recording/reproducing method, and integrated circuit A bit pattern for a run-in area which allows data reproduction to be performed stably even when the recording density of an optical disc is increased is provided. An optical disc according to the present invention includes tracks, each of which divided into a plural... | 01/17/2012 |
| 8094544 | Optical information recording medium reproducing device An optical information recording medium reproducing device (1) reproduces information from a super-resolution optical information recording medium (100a) having the information stored therein by positioning, according to a random pattern system,... | 01/10/2012 |
| 8085648 | Servo master magnetically transferring servo patterns to magnetic recording medium, and magnetic transfer method using the servo master The servo master includes a membrane having a first surface and a second surface; a plurality of stamp areas which are disposed on the first surface, each of the plurality of stamp areas including a magnetic layer patterned with servo patterns to be magnetically tra... | 12/27/2011 |
| 8059522 | Information storage medium, and recording/reproducing apparatus and method An information storage medium, and a recording/reproducing apparatus and method, the information storage medium including a plurality of recording layers, each layer including a lead-in area or a lead-out area, a data area, a middle area, and a dedicated area, where... | 11/15/2011 |
| 8050172 | Optical disc on which information is written on a block-by-block basis 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 a... | 11/01/2011 |
| 8045445 | Information recording medium, integrated circuit, recording/playback apparatus, computer program, and information recording/playback method An optical disk 101 is of a type in which information is recorded on a groove track, and an optical disk 107 is of a type in which information is recorded on a land track. The optical disk 101 has a control data area 102, and a data recor... | 10/25/2011 |
| RE42826 | Rewritable optical disk with spare area and optical disk processing apparatus In order to enable recording and reproduction from optical disks with defect management formatted with different group configurations without changing the firmware of the conventional apparatus and to allow the size of the spare area to be specified at initializatio... | 10/11/2011 |
| 8031582 | Optical information recording medium, BCA information recorder, and BCA information recording method Multilayered optical information recording media involve a problem that a BCA is erroneously formed in a different information recording layer even if the BCA is intended to be formed in a specific information recording layer. An optical information medium ( | 10/04/2011 |
| 8027241 | Optical storage medium, mastering method and apparatus for reading of respective data The optical storage medium comprises a substrate layer, and a data layer having a mark/space data structure with data arranged in tracks on the substrate layer, , wherein between neighboring tracks alternatingly a groove section or a land section without a groove is... | 09/27/2011 |
| 8027240 | Information recording medium, information recording device and method, and computer program An information recording medium such as DVD-R, DVD-RW or the like is provided with a user information recording area in which user information can be recorded. The user information recording area has pre-recorded areas for preventing recording/reproduction of the us... | 09/27/2011 |
| 8023395 | Optical storage medium comprising tracks with positive and negative marks, and stampers and production methods for manufacturing of the optical storage medium The optical storage medium comprises a substrate layer, a data layer with a mark/space structure arranged in tracks on the substrate layer, and a cover layer. One track comprises positive marks and a neighboring track comprises negative marks. The tracks are arrange... | 09/20/2011 |
| 8023394 | Optical data recording medium and method of manufacturing the same A method is provided for manufacturing an optical data recording medium including a plurality of data recording layers each having a user data recording region and a BCA formation region positioned at an inner position than the data recording region. The method incl... | 09/20/2011 |
| 8009547 | Optical recording and reproducing apparatus capable of identifying the type of optical disc based on reflectance, and reproducing method for optical disc An optical disk includes a first area on which user information is recorded, and a second area in which a plurality of marks radially extending are arranged in a track direction in the optical disk. Information about the reflectance of the optical disk is recorded i... | 08/30/2011 |
| 8000218 | Recording medium, recording method, and recording apparatus Payload 0 as a header is recorded to a head of a UDI area. In the case of recording payload 0 and other payloads, each of them is quintuple-recorded in order to take a countermeasure against errors. Other payloads such as payload 1 and the like ... | 08/16/2011 |
| 7990837 | Optical disc comprising a watermark and a method and recorder for recording such a disc A visible pattern is obtained by modulating the digital sum value. Because the digital sum value modulation allows the choice of several different channel bits groups between DC control points, the selection of a group of channel bits resulting in a change of reflec... | 08/02/2011 |
| 7986610 | Adaptive writing method for high-density optical recording apparatus and circuit thereof An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZ... | 07/26/2011 |
| 7969855 | Read-only optical disc medium and method of fabricating the same A read-only optical disc medium is disclosed. The disc medium includes: an information recording area in which information is recorded by means of an embossed pit array formed in a convexo-concave shape having a reflective layer deposited thereon; a test writing are... | 06/28/2011 |
| 7965616 | Recording medium, and method and apparatus for recording and reproducing data on/from recording medium A recording medium, and a method and apparatus for recording and reproducing data to/from the recording medium are disclosed. The recording medium having a data structure for managing a data area of the recording medium includes at least one physical access control ... | 06/21/2011 |
| 7952984 | Optical recording medium and method of recording and reproducing of optical recording medium An optical recording medium and a method of recording and reproducing of the optical recording medium are provided, which are capable of recording and reproducing data with reliability even when blue or blue violet laser light is used as irradiation light. The optic... | 05/31/2011 |
| 7948860 | Optical recording medium, manufacturing method for optical recording medium, and reproducing method for optical recording medium An optical recording medium includes a main-information area in which a metal reflection film is formed on a substrate where a row of pits is formed as main data, and a sub-information area in which is recorded medium identification information, which is used to ide... | 05/24/2011 |
| 7948859 | Information recording medium, information recording device and method, information reproducing device and method, information recording/reproducing device and recording method, and computer program An information recording medium (100) is provided with: a first pre-recording area, in which reproducible preformed information including physical address information is recorded in advance and in which preformed address information assigned in advance is not... | 05/24/2011 |
| 7944805 | Method of and apparatus for recording data on write-once disc and write-once disc therefor A method of recording, and an apparatus to record, data on a write-once disc, and the write-once disc used with the method and apparatus. The write-once disc includes a plurality of update areas in which to record a predetermined type of updated information, at leas... | 05/17/2011 |
| 7940633 | Recording device, recording method and computer program A recording device has a recording unit for recording information in a medium having a first layer and a second layer; a forming unit for forming a buffer area in each of the first and second layers; and a control unit for controlling the forming unit to form the bu... | 05/10/2011 |
| 7940636 | Recording medium, recording apparatus and recording method A recording medium of the recordable type in the form of a multi-layer disc or the like which is improved in compatibility and feasibility in use and a recording apparatus and a recording method ready for the recording medium are disclosed. A region for recording in... | 05/10/2011 |
| 7940634 | Multilayer optical recording medium and recording method on multilayer optical recording medium In a multilayer optical recording medium having three or more recording layers, when data is recorded on a recording layer far away from an incident surface of laser light, and especially on a recording layer farthest away from the incident surface of the laser ligh... | 05/10/2011 |
| 7940635 | Information recording apparatus and method, computer program, and information recording medium An information recording apparatus (200) is provided with: a first recording device (354) for recording user data into a user data area (105, 115) provided for an information recording medium (100), with a data area attribute added; and a... | 05/10/2011 |
| 7936660 | Optical disk for an identification element An optical disk is provided that includes a face carrying information that is readable by a laser while the disk is being driven in rotation, the face being defined by a flexible structure; a support stiffening the flexible structure and including at least one fiber... | 05/03/2011 |
| 7933193 | Optical disc An optical disc includes a read-only area having a first wobble, which is a data wobble formed in the read-only area for only reading, a readable/writable area having a second wobble, which is different from the data wobble, and a connection area between the read-on... | 04/26/2011 |
| 7933192 | Information recording medium, information recording apparatus and method, and computer program At least a first recording layer (L0 layer) and a second recording layer (L1 layer) are provided. The first recording layer is disc-shaped, and has a first recording track path formed for recording recording information. The second recording layer is d... | 04/26/2011 |
| 7924695 | Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method An information recording medium is provided, which comprises a plurality of recording layers and a first disc information area for storing parameters relating to access to the plurality of recording layers and formats relating to the plurality of recording layers. T... | 04/12/2011 |
| 7924693 | Optical disk and optical disk drive device An optical disk physical has a recording region divided into zones, each zone including physical tracks adjacent to each other. An integer number of sectors are provided in each physical track. The angular recording density is higher in the more outward zones such t... | 04/12/2011 |
| 7924694 | 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 wh... | 04/12/2011 |
