Patent application number | Description | Published |
20080205214 | METHOD OF AND APPARATUS FOR MANAGING DISC DEFECTS IN DISC, AND DISC ON WHICH DEFECTS ARE MANAGED - A method of and apparatus for managing disc defects in a disc using a temporary defect management area in the disc, and the disc, where the method includes recording in a data area user data; and recording in a temporary defect management area, which is present in at least one of a lead-in area and a lead-out area, which temporary defect information and temporary defect management information regarding the user data recorded in the data area are recorded. Accordingly, the method and apparatus are applicable to recordable discs and capable of effectively using the defect management area. | 08-28-2008 |
20080232214 | OPTICAL RECORDING MEDIUM, APPARATUS AND METHOD OF RECORDING/REPRODUCING DATA THEREON/THEREFROM, AND COMPUTER READABLE RECORDING MEDIUM STORING PROGRAM TO PERFORM THE METHOD - A recording medium on which a recording/reproducing unit block is recorded, an apparatus to record and/or reproduce data on/from the recording medium, and a method of recording/reproducing the data on/from the recording medium. The recording/reproducing unit block comprises invalid data used in disc certification, and an identifier to indicate that the invalid data is included in the recording/reproducing unit block, the invalid data being used during the disc certification on a portion of the recording medium or the entire recording medium. | 09-25-2008 |
20080270712 | METHOD OF OVERWRITING DATA IN WRITE-ONCE INFORMATION STORAGE MEDIUM AND DATA RECORDING AND/OR REPRODUCING APPARATUS FOR WRITE-ONCE INFORMATION STORAGE MEDIUM - A method of overwriting data in a write-once information storage medium and a data recording and/or reproducing apparatus provided for overwriting data in such a write-once information storage medium. In the data overwriting method, a command to overwrite new data in a first area of the write-once information storage medium where data has already been recorded is issued. Then, the first area is considered as a defective area, and the new data is recorded in a second area. Thereafter, updated defect management information, including information about the locations of the first and second areas, is recorded in the write-once information storage medium. Accordingly, overwriting can be performed in write-once information storage media, which is incapable of physical overwriting, by using a logical overwriting technique. Thus, data recorded in the write-once information storage medium may be changed or updated. | 10-30-2008 |
20080275876 | STORAGE MEDIUM STORING SEARCH INFORMATION AND REPRODUCING APPARATUS AND METHOD - A storage medium storing search information and a reproducing apparatus for the storage medium and method of reproducing AV data corresponding to a searching result matching a user's search condition and providing additional functions by using the searching result. The storage medium includes image data; and meta information used to provide an additional function using the image data in a predetermined searched section at a time of searching the predetermined section of the image data and reproducing the image data in the searched section. Accordingly, it is possible to provide various enhanced searching functions using various search keywords. In addition, it is possible to provide various additional functions using search information. | 11-06-2008 |
20080279065 | INFORMATION STORAGE MEDIUM HAVING MULTIPLE STORAGE LAYERS WITH OPTIMAL POWER CONTROL (OPC) AREAS AND BUFFER AREAS - An information storage medium and an apparatus for recording and/or reproducing the information storage medium are provided to control optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer. The information storage medium includes at least one information storage layer including an optimal power control area for obtaining an optical recording condition. OPC areas in adjacent information storage layers are disposed within different radiuses of the information storage medium. Accordingly, even when the information storage medium is made eccentric or has a manufacturing error, a recording property of the information storage medium is prevented from being degraded due to an influence of an OPC area in an information storage layer upon an OPC area in an adjacent information storage layer. | 11-13-2008 |
20090010125 | METHOD AND APPARATUS FOR MANAGING DISC DEFECTS USING UPDATEABLE DMA, AND DISC THEREOF - A disc defect management method and apparatus using a defect management area that can be updated, and a write once disc incorporating the method. A data area is disposed between a lead-in area and a lead-out area. The disc includes a defect management area (DMA) that is present in at least one of the lead-in area or the lead-out area, wherein defect information and defect management information are repeatedly recorded in the DMA according to a recording operation. Accordingly, the disc defect management method and apparatus enable effective use of the defect management area. The method is also applicable to a multi layer disc having a user data area on each layer. The defect information and the defect management information for an individual defect may include cumulative defect information and defect management information related to previously identified defects. | 01-08-2009 |
20090112856 | STORAGE MEDIUM INCLUDING METADATA AND REPRODUCTION APPARATUS AND METHOD THEREFOR - A storage medium including metadata, which provide an extended search function using a variety of search keywords on audio-visual data, and a reproduction apparatus and a reproduction method of reproducing the storage medium. The storage medium includes: audio-visual data; and metadata to provide an extended search function on the audio-visual data, wherein the metadata include a predefined search keyword and a search keyword which may be additionally defined by an author. Accordingly, by using a variety of search keywords additionally defined by an author as well as predefined search keywords, providing an extended search function is possible. In addition, by recording only portions of the metadata relative directly to supporting multiple languages in an additional text-based file, providing an extended search function using a plurality of languages is also possible. | 04-30-2009 |
20090135691 | METHOD OF AND APPARATUS FOR RECORDING DATA ON WRITE-ONCE DISC, METHOD OF AND APPARATUS FOR REPRODUCING DATA FROM WRITE-ONCE DISC, AND WRITE-ONCE DISC THEREFOR - A method and apparatus recording and/or reproducing data on/from a write-once disc, and a write-once disc therefor, the write-once disc having at least one recording layer including: a plurality of update areas in which predetermined updated information is recorded; and at least one access information area in which access information indicating an update area in which final recorded updated information is recorded. Reducing access time for reading the updated information using a location of predetermined updated information. Also, when a plurality of update areas for writing updated information required to use the write-once disc exist, a recording apparatus or a reproducing apparatus can quickly and easily determine an update area in which final updated information is recorded among the plurality of update areas. | 05-28-2009 |
20090138756 | METHOD OF DETERMINING DEFECTS IN INFORMATION STORAGE MEDIUM, RECORDING/REPRODUCING APPARATUS USING THE SAME, AND INFORMATION STORAGE MEDIUM - A method of determining whether a defect exists on an information storage medium is provided along with a recording/reproducing apparatus using the same. Such a method comprises: seeking a defect entry whose state information indicates that a defect block or a replacement block has been re-initialized without certification from a defect list for managing an information storage medium and including state information of the defect block and state information of the replacement block, wherein the medium includes a spare area for recording the replacement block to replace the defect block occurring in a user data area on the medium; and certifying the defect block or the replacement block registered in the sought defect entry. As a result, defect information can be effectively rearranged for quick re-initialization without certification in order to improve the performance of a drive system. | 05-28-2009 |
20090202227 | METHOD AND APPARATUS FOR RECORDING DATA, METHOD AND APPARATUS FOR REPRODUCING DATA, AND RECORDING MEDIUM FOR RECORDING DATA - Provided are a method of reproducing a three-dimensional (3D) image using data stored in an optical recording medium. The method includes: reading 3D reproduction additional information from a recording medium to which at least one audio/video (AV) stream providing a plurality of related image signals and the 3D reproduction additional information for reproducing a 3D image using the plurality of related image signals are recorded; determining whether the plurality of related image signals are 3D image signals for reproducing a 3D image, based on the 3D reproduction additional information; and selectively reproducing a 3D image using the at least one AV stream and the 3D reproduction additional information based on a result of the determining. | 08-13-2009 |
20100100694 | RECORDING/REPRODUCING APPARATUS FOR PERFORMING RMW FOR LOW, RECORDING/REPRODUCING METHOD THEREFOR, AND INFORMATION STORAGE MEDIUM THEREFOR - Replacement data for updating data recorded on an information storage medium is recorded in an area for logical overwrite (LOW) replacement; replacement data for replacing a defect generated on the medium is recorded in an area for defect replacement; and, if a defect is generated in an original block recorded in a predetermined area of the medium during a read-modify-write (RMW) process for a LOW for at least partial data of an original block, a replacement block replacing the original block is recorded in the area for LOW replacement and a defect list (DFL) entry including location information of the original block and location information of the replacement block is generated to indicate the replacement state. | 04-22-2010 |
20100195980 | INFORMATION STORAGE MEDIUM, REPRODUCING APPARATUS, AND REPRODUCING METHOD - A reproducing medium and apparatus to help guarantee reproduction compatibility are provided. An information storage medium to be reproduced by the reproducing apparatus includes audio/video (AV) data, an interactive content used to perform interactions with users, and interactive content management information used to manage the interactive content, wherein the interactive content management information includes information regarding an application to be executed by the reproducing apparatus and information regarding a substitution application substituted for the application. | 08-05-2010 |
20100266262 | INFORMATION STORAGE MEDIUM CONTAINING SUBTITLE DATA FOR MULTIPLE LANGUAGES USING TEXT DATA AND DOWNLOADABLE FONTS AND APPARATUS THEREFOR - An information storage medium on which video data are recorded, includes: a plurality of clips that are recording units in which the video data are stored; and text data for subtitles which are recorded separately from the plurality of clips and overlappable with an image according to the video data and then outputtable, the text data including data for providing subtitles in at least one language. | 10-21-2010 |
20100266265 | INFORMATION STORAGE MEDIUM CONTAINING SUBTITLE DATA FOR MULTIPLE LANGUAGES USING TEXT DATA AND DOWNLOADABLE FONTS AND APPARATUS THEREFOR - An information storage medium on which video data are recorded, includes: a plurality of clips that are recording units in which the video data are stored; and text data for subtitles which are recorded separately from the plurality of clips and overlappable with an image according to the video data and then outputtable, the text data including data for providing subtitles in at least one language. | 10-21-2010 |
20100284255 | WRITE ONCE DISC ALLOWING MANAGEMENT OF DATA AREA, METHOD OF MANAGING THE DATA AREA, AND APPARATUS AND METHOD FOR REPRODUCING DATA FROM WRITE ONCE DISC - A write once disc allowing management of a data area, includes a lead-in zone, a data area, and a lead-out zone. The write once disc includes a predetermined area storing area allocation information which indicates whether at least one section of the data area is allocated for disc defect management. In the disc and method, area allocation information specifying a structure of the data area is recorded on the disc, thus allowing a recording/reproducing apparatus to recognize the data area structure. Therefore, allocating areas, such as a spare area, for disc defect management other than an area for storing user data, to the data area is possible. The allocation of the areas for disc defect management to the data area enables effective use of the write once disc. | 11-11-2010 |
20100306624 | RECORDING AND/OR REPRODUCING METHOD, RECORDING AND/OR REPRODUCING APPARATUS, AND COMPUTER READABLE RECORDING MEDIUM STORING PROGRAM FOR PERFORMING THE METHOD - A recording and/or reproducing method, a recording and/or reproducing apparatus, and a computer readable recording medium storing a program for performing the method. A recording unit block in which invalid data is partially padded is written on an information storage medium along with padding information indicating that the invalid data is included in the recording unit block. The padding information is useful in determining whether the recording unit block includes the padding data. Accordingly, unnecessary retrial processes of a drive system are reduced such that the performance of the drive system is improved and error correction capability is enhanced. | 12-02-2010 |
20100309765 | WRITE ONCE DISC ALLOWING MANAGEMENT OF DATA AREA, METHOD OF MANAGING THE DATA AREA, AND APPARATUS AND METHOD FOR REPRODUCING DATA FROM WRITE ONCE DISC - A write once disc allowing management of a data area, a method of managing the data area of the write once disc, an apparatus recording data on the write once disc, an apparatus and method of reproducing data from a write once disc. The write once disc, includes a lead-in zone, a data area, and a lead-out zone. The write once disc includes a predetermined area storing area allocation information which indicates whether at least one section of the data area is allocated for disc defect management. In the disc and method, area allocation information specifying a structure of the data area is recorded on the disc, thus allowing a recording/reproducing apparatus to recognize the data area structure. Therefore, allocating areas, such as a spare area, for disc defect management other than an area for storing user data, to the data area is possible. The allocation of the areas for disc defect management to the data area enables effective use of the write once disc. | 12-09-2010 |
20110149700 | METHOD OF AND APPARATUS FOR RECORDING DATA ON WRITE-ONCE DISC, METHOD OF AND APPARATUS FOR REPRODUCING DATA FROM WRITE-ONCE DISC, AND WRITE-ONCE DISC THEREFOR - A method and apparatus recording and/or reproducing data on/from a write-once disc, and a write-once disc therefor, the write-once disc having at least one recording layer including: a plurality of update areas in which predetermined updated information is recorded; and at least one access information area in which access information indicating an update area in which final recorded updated information is recorded. Reducing access time for reading the updated information using a location of predetermined updated information. Also, when a plurality of update areas for writing updated information required to use the write-once disc exist, a recording apparatus or a reproducing apparatus can quickly and easily determine an update area in which final updated information is recorded among the plurality of update areas. | 06-23-2011 |
20110206347 | INFORMATION STORAGE MEDIUM CONTAINING SUBTITLE DATA FOR MULTIPLE LANGUAGES USING TEXT DATA AND DOWNLOADABLE FONTS AND APPARATUS THEREFOR - An information storage medium on which video data are recorded, includes: a plurality of clips that are recording units in which the video data are stored; and text data for subtitles which are recorded separately from the plurality of clips and overlappable with an image according to the video data and then outputtable, the text data including data for providing subtitles in at least one language. | 08-25-2011 |
20110214140 | OPTICAL RECORDING MEDIUM, APPARATUS AND METHOD OF RECORDING/REPRODUCING DATA THEREON/THEREFROM, AND COMPUTER READABLE RECORDING MEDIUM STORING PROGRAM TO PERFORM THE METHOD - A recording medium on which a recording/reproducing unit block is recorded, an apparatus to record and/or reproduce data on/from the recording medium, and a method of recording/reproducing the data on/from the recording medium. The recording/reproducing unit block comprises invalid data used in disc certification, and an identifier to indicate that the invalid data is included in the recording/reproducing unit block, the invalid data being used during the disc certification on a portion of the recording medium or the entire recording medium. | 09-01-2011 |
20110216636 | METHOD OF AND APPARATUS FOR RECORDING DATA ON WRITE-ONCE DISC AND WRITE-ONCE DISC THEREFOR - A method of recording, and an apparatus for recording, data on a write-once disc, and the write-once disc used with the method and the apparatus. The write-once disc includes a plurality of update areas in which to record a predetermined type of updated information, at least one main access information area (AIA) in which to record main access information (AI), the main AI indicating a final update area in which finally updated information is recorded, among the plurality of update areas, and at least one sub AIA in which to record sub AI, the sub AI indicating a location of the finally updated information recorded in the final update area. | 09-08-2011 |
20110305126 | INFORMATION STORAGE MEDIUM, RECORD REPRODUCTION APPARATUS, AND RECORD REPRODUCTION METHOD - Provided is an information storage medium that has a plurality of recording layers, a recording/reproducing method, and a recording/reproducing apparatus. In the information storage medium, each of the plurality of recording layers includes an inner circumference zone and a data zone, and at least one of the recording layers includes, in the inner circumference zone, a temporary disc management area (TDMA) for recording information about a defect detected in the data zone, wherein a size of a TDMA allocated on an upper layer is greater than a size of a TDMA allocated on a lower layer. | 12-15-2011 |
20110310715 | INFORMATION STORAGE MEDIUM, RECORD REPRODUCING DEVICE, AND RECORD REPRODUCING METHOD - Provided is an information recording medium including a plurality of recording layers. Each recording layer may comprise at least one optical power control (OPC) area, and each OPC area is allocated so as not to overlap an adjacent layer in a given radius. | 12-22-2011 |
20120063285 | METHOD AND APPARATUS FOR MANAGING DISC DEFECTS USING UPDATEABLE DMA, AND DISC THEREOF - A reproducing apparatus is provided. The reproducing apparatus includes a recording/reading unit that records data on or reads data from a disc including a defect management area in which defect information regarding data recorded in a data area of the disc and defect management information for managing the defect information are repeatedly recorded, and a controller that controls the recording/reading unit to read the defect information and the defect management information from the defect management area, and read data from the disc using the defect information. First defect information, which is repeatedly recorded, includes second defect information which is recorded in a predetermined area and defect information regarding a defective block occurring after the second defect information is recorded. The defect management information includes location information of the defect information. | 03-15-2012 |
20120110285 | INFORMATION STORAGE MEDIUM, RECORDING/REPRODUCING APPARATUS, AND RECORDING/REPRODUCING METHOD - A recording/reproducing apparatus is configured to record a replacement block by logical overwrite (LOW) for updating data recorded on an information storage medium in a first area of the medium, record a replacement block for replacing a defect block generated on the medium in a second area of the medium, and record a second replacement block for replacement by defect of a first replacement block in the second area if the defect is detected while the first replacement block is being recorded in the first area to perform the logical overwrite of an original block recorded in a predetermined area of the medium, generate a defect list (DFL) entry including location information of the original block and location information of the second replacement block in order to indicate the replacement state, and move location information of the first replacement block in the second replacement block. | 05-03-2012 |
20120113783 | INFORMATION RECORDING MEDIUM, RECORDING/REPRODUCING APPARATUS, AND RECORDING/REPRODUCING METHOD TO DISTINGUISH BETWEEN AN ORIGINAL RECORDING BLOCK AND A REPLACEMENT RECORDING BLOCK - An information recording medium, and a recording/reproducing apparatus and a recording/reproducing method for the recording medium. Original data is sequentially updated by replacing an original recording block with one or more replacement recording blocks. A replacement recording block includes at least one of an original address field indicating a location of the original recording block or a previous address field indicating a location of an immediately previous recording block. Replacement information is effectively recovered in a system where a replacement for logical overwriting (LOW) occurs in either a spare area and a user data area by reference to the address fields in each replacement recording block. | 05-10-2012 |
20120137169 | METHOD OF DETERMINING DEFECTS IN INFORMATION STORAGE MEDIUM, RECORDING/REPRODUCING APPARATUS USING THE SAME, AND INFORMATION STORAGE MEDIUM - A method of determining whether a defect exists on an information storage medium is provided along with a recording/reproducing apparatus using the same. Such a method comprises: seeking a defect entry whose state information indicates that a defect block or a replacement block has been re-initialized without certification from a defect list for managing an information storage medium and including state information of the defect block and state information of the replacement block, wherein the medium includes a spare area for recording the replacement block to replace the defect block occurring in a user data area on the medium; and certifying the defect block or the replacement block registered in the sought defect entry. As a result, defect information can be effectively rearranged for quick re-initialization without certification in order to improve the performance of a drive system. | 05-31-2012 |
20120176878 | METHOD OF AND APPARATUS FOR RECORDING DATA ON WRITE-ONCE DISC, METHOD OF AND APPARATUS FOR REPRODUCING DATA FROM WRITE-ONCE DISC, AND WRITE-ONCE DISC THEREFOR - A write-once disc includes: a plurality of update areas in which a predetermined kind of updated information is recorded; at least one main access information area in which main access information is recorded, the main access information indicating a final update area in which finally updated information is recorded among the plurality of update areas; and at least one sub access information area in which sub access information is recorded, the sub access information indicating a location of the finally updated information recorded in the final update area. Accordingly, an access time for reading a predetermined kind of information required to use the write-once disc can be reduced. | 07-12-2012 |
20120207004 | RECORDING/REPRODUCING METHOD, RECORDING/REPRODUCING APPARATUS, OPTICAL RECORDING MEDIUM, AND COMPUTER READABLE RECORDING MEDIUM HAVING RECORDED THEREON PROGRAM FOR THE RECORDING/REPRODUCING METHOD - A recording method for use by an apparatus and/or which is encoded on a computer readable medium includes selecting a defect management on mode or a defect management off mode that indicates whether defect management is to be performed or not while data is recorded in the recording medium, recording the data in the recording medium while defect management is performed on the recording medium, if the defect management on mode is selected, and recording the data in the recording medium without defect management, if the defect management off mode is selected. | 08-16-2012 |