Title:
誤り訂正装置、光ディスク制御装置、光ディスク読み取り装置ならびに誤り訂正方法
Document Type and Number:
Japanese Patent JP4295758
Kind Code:
B2
Abstract:
An error correcting apparatus includes a storing means for storing product code with n 2 rows and n 1 columns, an error correcting unit 5 that performs error correction for four code sequences simultaneously in parallel, and a bus control unit 2 for reading codes on four rows from the buffer memory 1 and transferring the codes to the error correcting unit 5. The bus control unit 2 reads and transfers four consecutive codes on each of four rows in order before shifting the reading position by four codes in the row direction.
Inventors:
Fumio Nakatsuji
Application Number:
JP2005331536A
Publication Date:
July 15, 2009
Filing Date:
November 16, 2005
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
G06F11/10; G11B20/18; G11B7/00; G11C29/00; H03M13/00; H03M13/11; H03M13/29; G11B20/10
Domestic Patent References:
| JP4365139A | ||||
| JP9259261A | ||||
| JP10200418A | ||||
| JP2039728A | ||||
| JP1293013A | ||||
| JP2503851A |
Attorney, Agent or Firm:
Shiro Nakajima