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:
Sep. 08, 1987
Filed:
Dec. 11, 1985
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
371 37 ; 371 38 ;
Abstract
A method for correcting and detecting errors using the SEC-DED-SbED code is provided, wherein the information consisting of several blocks of b bits is encoded based on the parity matrix including any of b.times.b matrix X q (q=1 to b) in which each row of b.times.b matrix ##EQU1## is cyclically displaced along the column direction by a desired number (q) of bits in each partial matrix corresponding to the above block.