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:
Aug. 20, 1996
Filed:
Dec. 02, 1993
Applicant:
Inventors:
Shinji Kato, Tokyo, JP;
Chikashi Tagawa, Hiroshima-ken, JP;
Osamu Michihira, Hiroshima-ken, JP;
Akira Sone, Hiroshima-ken, JP;
Assignees:
Mazda Motor Corporation, Aki-gun, JP;
Naldec Corporation, Hiroshima-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
371 681 ; 371 36 ;
Abstract
An apparatus for diagnosing failures in a plurality of control units is provided in a control system. The apparatus has a detection device provided outside of the control units for comparing output data representing processing results of the control units to detect disparity of the output data of the control units, and a device for determining that a failure has occurred in at least one of the control units when the detection device detects the disparity of the output data.