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:
Mar. 24, 1987
Filed:
Sep. 12, 1984
Applicant:
Inventors:
Tatuo Sugimura, Yawata, JP;
Isao Satoh, Neyagawa, JP;
Makoto Ichinose, Sakai, JP;
Yuzuru Kuroki, Moriguchi, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
371 37 ; 371 49 ;
Abstract
Apparatus for detecting and correcting errors on product codes, utilizing a product code of minimum distance 2t symbols constituted by two codes having minimum distance 2 and minimum distance t respectively. First the code of minimum distance t is decoded, and secondly error number flags generated in the decoding operation are classified into three decoding modes by statistical processing. Errors are detected or corrected according to the decoding mode.