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:
Oct. 08, 2019
Filed:
Mar. 10, 2015
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/38 (2006.01); G06F 12/16 (2006.01); G11C 29/06 (2006.01); G11C 29/16 (2006.01); G11C 29/36 (2006.01); G11C 29/44 (2006.01);
U.S. Cl.
CPC ...
G11C 29/38 (2013.01); G06F 12/16 (2013.01); G11C 29/06 (2013.01); G11C 29/16 (2013.01); G11C 29/36 (2013.01); G11C 2029/4402 (2013.01);
Abstract
A memory diagnosis apparatus to diagnose whether a fault occurs in a memory includes a diagnosis execution unit to divide the memory into a plurality of areas, select two or more base areas that are diagnostic targets from among the areas to carry out a memory diagnosis including a reading test and a writing test, and perform only the writing test in carrying out the memory diagnosis on a same base area for second or more times. The diagnosis execution unit is implemented by an arithmetic device that is a processing circuit that executes a memory diagnosis program stored in a storage device.