The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 18, 2001
Filed:
Feb. 24, 1999
Applicant:
Inventors:
Fumio Nakatsuji, Kyoto, JP;
Yuichi Hashimoto, Osaka, JP;
Assignee:
Matsushita Electrical Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/300 ; G11C 2/900 ;
U.S. Cl.
CPC ...
H03M 1/300 ; G11C 2/900 ;
Abstract
An error correcting apparatus includes a storing means for storing product code with n,rows and n,columns, an error correcting unit,that performs error correction for four code sequences simultaneously in parallel, and a bus control unit,for reading codes on four rows from the buffer memory,and transferring the codes to the error correcting unit,. The bus control unit,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.