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US 7,003,711 B2Granted
Information recording medium on which sector data generated from ECC block is recorded, information recording apparatus for recording sector data, and information reproduction apparatus for reproducing sector data
AssigneeKabushiki Kaisha Toshiba
InventorsChosaku Noda, Hideo Ando, Koichi Hirayama
Life of this patent
Estimating the term…
Abstract
An information recording medium includes a management area where management information is recorded and a plurality of physical sector areas used to record a plurality of physical sector data blocks, which are generated by combining some data contained in a plurality of ECC blocks.
Claims14
An information recording medium comprising:
- a management area where management information is recorded;
- and
- a plurality of physical sector areas used to record a plurality sector data blocks, which are generated by combining some data contained in a plurality of ECC blocks,
- wherein the plurality of ECC blocks as a source of the plurality of physical sector data blocks to be recorded in said plurality of physical sector areas is generated via a predetermined process, and
- the predetermined process generates the plurality of independent ECC blocks by:
- generating sector data which contains a data ID and is formed of a first number of bytes;
- generating re-arranged sector data by re-arranging data contained in the sector data to predetermined positions;
- generating a sector block by combining a plurality of re-arranged sector data items;
- generating a plurality of segmented blocks by segmenting the sector block;
- generating outer-code parity data by encoding data in a column direction, which forms each segmented block;
- generating inner-code parity data by encoding data in a row direction, which forms each segmented block;
- and
- individually appending the generated outer- and inner-code parity data to each segmented block.
10 more elements
An information recording medium comprising:
- management area where management information is recorded;
- and
- a plurality of physical sector areas used to record a plurality of physical sector data blocks, which are generated by combining some data contained in a plurality of ECC blocks,
- wherein said physical sector area is an area on which data alternately extracted from different data lines in the physical sector data block is recorded in turn.
1 more element
An information recording apparatus for recording information on an information recording medium, comprising:
- a generation sector configured to generate a plurality of ECC blocks;
- and
- a recording section configured to generate a plurality of physical sector data blocks by combining some data contained in the plurality of ECC blocks, and to record the plurality of physical sector data blocks on a plurality of physical sector areas on the information recording medium,
- wherein said generation section generates the plurality of independent ECC blocks by:
- generating sector data which contains a data ID and is formed of a first number of bytes;
- generating re-arranged sector data by re-arranging data contained in the sector data to predetermined positions;
- generating a sector block by combining a plurality of re-arranged sector data items;
- generating a plurality of segmented blocks by segmenting the sector block;
- generating outer-code parity data by encoding data in a column direction, which forms each segmented block;
- generating inner-code parity data by encoding data in a row direction, which forms each segmented block;
- and
- individually appending the generated outer- and inner-code parity data to each segmented block.
9 more elements
An information reproduction apparatus for reproducing an information recording medium which comprises a plurality of physical sector areas on which a plurality of physical sector data blocks generated by combining some data contained in a plurality of ECC blocks is recorded, comprising:
- a read-out section configured to read out the plurality of physical sector data blocks from the plurality of physical sector areas on the information recording medium;
- and
- a reproduction section configured to reproduce data by generating the plurality of ECC blocks from the plurality of readout physical sector data blocks,
- wherein said reproduction section generates the plurality of ECC blocks via a predetermined process,
- the predetermined process generates the plurality of independent ECC blocks by:
- generating sector data which contains a data ID and is formed of a first number of bytes;
- generating re-arranged sector data by re-arranged data contained in the sector data to predetermined positions;
- generating a sector block by combining a plurality of re-arranged sector data items;
- generating a plurality of segmented blocks by segmenting the sector block;
- generating outer-code parity data by encoding data in a column direction, which forms each segmented block;
- generating inner-code parity data by encoding data in a row direction, which forms each segmented block;
- and
- individually appending the generated outer- and inner-code parity data to each segmented block, and
- said reproduction section reproduces the sector data by utilizing the predetermined process.
11 more elements
Dependencies are inferred from the claim text.