| 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 |
| 20080205224 | METHOD AND APPARATUS FOR MANAGING DEFECTS IN RECORDING MEDIA, A COMPUTER READABLE MEDIUM INCLUDING COMPUTER READABLE CODE FOR THE SAME, AND A DEFECT MANAGED RECORDING MEDIUM OBTAINED USING THE SAME METHOD, APPARATUS, AND COMPUTER READABLE MEDIUM - A method, apparatus and computer readable medium for managing recording medium defects and a defect managed recording medium. The recording medium includes a spare area in which a replacement area, which is a substitute for a defective area of the recording medium, is formed, and a temporary defect management area in which temporary management information that specifies the defective area and the corresponding replacement area is recorded, wherein position information and state information regarding the defective area are recorded in the replacement area. Accordingly, it is possible to restore defect information even if recording medium defect management on the recording medium ended abnormally. | 08-28-2008 |
| 20080205226 | METHOD OF AND APPARATUS FOR MANAGING DISC DEFECTS USING TEMPORARY DEFECT MANAGEMENT INFORMATION (TDFL) AND TEMPORARY DEFECT MANAGEMENT INFORMATION (TDDS), AND DISC HAVING THE TDFL AND TDDS - A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in which are recorded an address of data that is last recorded in the user data area and an address of a replacement data recorded in the spare area. Accordingly, the disc defect management method and apparatus are applicable to a recordable disc such as a write-once disc while effectively using a defect management area of the disc. | 08-28-2008 |
| 20080205227 | METHOD AND APPARATUS FOR MANAGING DEFECTS IN RECORDING MEDIA, A COMPUTER READABLE MEDIUM INCLUDING COMPUTER READABLE CODE FOR THE SAME, AND A DEFECT MANAGED RECORDING MEDIUM OBTAINED USING THE SAME METHOD, APPARATUS, AND COMPUTER READABLE MEDIUM - A method, apparatus and computer readable medium for managing recording medium defects and a defect managed recording medium. The recording medium includes a spare area in which a replacement area, which is a substitute for a defective area of the recording medium, is formed, and a temporary defect management area in which temporary management information that specifies the defective area and the corresponding replacement area is recorded, wherein position information and state information regarding the defective area are recorded in the replacement area. Accordingly, it is possible to restore defect information even if recording medium defect management on the recording medium ended abnormally. | 08-28-2008 |
| 20080212435 | 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. | 09-04-2008 |
| 20080225664 | METHOD AND APPARATUS FOR MANAGING DEFECTS IN RECORDING MEDIA, A COMPUTER READABLE MEDIUM INCLUDING COMPUTER READABLE CODE FOR THE SAME, AND A DEFECT MANAGED RECORDING MEDIUM OBTAINED USING THE SAME METHOD, APPARATUS, AND COMPUTER READABLE MEDIUM - A method, apparatus and computer readable medium for managing recording medium defects and a defect managed recording medium. The recording medium includes a spare area in which a replacement area, which is a substitute for a defective area of the recording medium, is formed, and a temporary defect management area in which temporary management information that specifies the defective area and the corresponding replacement area is recorded, wherein position information and state information regarding the defective area are recorded in the replacement area. Accordingly, it is possible to restore defect information even if recording medium defect management on the recording medium ended abnormally. | 09-18-2008 |
| 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 |
| 20080304384 | METHOD OF AND APPARATUS FOR MANAGING DISC DEFECTS USING TEMPORARY DEFECT MANAGEMENT INFORMATION (TDFL) AND TEMPORARY DEFECT MANAGEMENT INFORMATION (TDDS), AND DISC HAVING THE TDFL AND TDDS - A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in which are recorded an address of data that is last recorded in the user data area and an address of a replacement data recorded in the spare area. Accordingly, the disc defect management method and apparatus are applicable to a recordable disc such as a write-once disc while effectively using a defect management area of the disc. | 12-11-2008 |
| 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 |
| 20090213709 | METHOD OF AND APPARATUS FOR MANAGING DISC DEFECTS USING TEMPORARY DEFECT MANAGEMENT INFORMATION (TDFL) AND TEMPORARY DEFECT MANAGEMENT INFORMATION (TDDS), AND DISC HAVING THE TDFL AND TDDS - A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in which are recorded an address of data that is last recorded in the user data area and an address of a replacement data recorded in the spare area. Accordingly, the disc defect management method and apparatus are applicable to a recordable disc such as a write-once disc while effectively using a defect management area of the disc. | 08-27-2009 |
| 20100020657 | INFORMATION STORAGE MEDIUM AND METHOD AND APPARATUS FOR RECORDING AND/OR REPRODUCING POINTING INFORMATION - An information storage medium includes areas of disk-related information having disk-related information to record or reproduce data with respect to the information storage medium, wherein the disk-related information includes common disk-related information and changeable parameter information, and the areas of the disk-related information are arranged according to information about the changeable parameter information. | 01-28-2010 |
| 20100097907 | WRITE ONCE DISC, DISC DRIVE THEREFOR, AND METHOD OF MANAGING DISC DEFECT CONSIDERING COMPATIBILITY WITH REWRITABLE DISC DRIVE - A write once disc, a disc drive therefor, and a method of managing disc defects on the write once disc using the disc drive in consideration of the compatibility of the write once disc with a rewritable disc drive, the write once disc includes a single record layer disc in which a lead-in area, a data area, and a lead-out area are sequentially formed and a first spare area and a second spare area are sequentially formed in the data area. The write once disc includes a defect management area (DMA) formed in at least one of the lead-in area and the lead-out area; a first temporary defect management area (TDMA) formed in at least one of the lead-in area and the lead-out area; and a second TDMA formed between the first spare area and a user data area or between the user data area and the second spare area. | 04-22-2010 |
| 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 |
| 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 |
| 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 |
| 20110149701 | OPTICAL RECORDING MEDIUM, RECORDING/REPRODUCING APPARATUS AND METHOD, INITIALIZATION METHOD, AND REINITIALIZATION METHOD - A recording/reproducing apparatus includes a writing/reading unit writing data to or reading data from an information recording medium having an access control area in which access control data is recorded, the access control data having common information set to allow the recording/reproducing apparatus that cannot recognize a predetermined function adapted to the information recording medium to control access to the information recording medium; and a control unit controlling the writing/reading unit to record access control data regarding a function recognizable by the recording/reproducing apparatus in the access control area when the information recording medium is initialized or reinitialized. | 06-23-2011 |
