Title:
光ディスク、光ディスク装置、光ディスク再生方法
Document Type and Number:
Japanese Patent JP4091606
Kind Code:
B2
Abstract:
An optical disk that has a BCA, from which data can be reproduced even if the BCA has defects. The data format of the BCA comprises a plurality of sub-data units (100, 200) and coupling codes (300), each coupling two adjacent sub-data units. The sub-data units contain the same data. To reproduce the data, the sub-data units are checked for errors. The data recorded in any sub-data unit that has no errors is reproduced and output to a next stage circuit connected to the optical disk drive.
Inventors:
Hiroshi Kashihara
Atsushi Ishihara
Hiroshi Nagai
Taku Kato
Yutaka Yamanaka
Tatsunori Ide
Atsushi Ishihara
Hiroshi Nagai
Taku Kato
Yutaka Yamanaka
Tatsunori Ide
Application Number:
JP2005026744A
Publication Date:
May 28, 2008
Filing Date:
February 02, 2005
Export Citation:
Assignee:
Toshiba Corporation
NEC
NEC
International Classes:
G11B20/12; G11B20/18
Domestic Patent References:
| JP2003187535A | ||||
| JP11102576A | ||||
| JP2004047056A |
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto