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. 10, 1991
Filed:
Jun. 29, 1989
Applicant:
Inventors:
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi Automotive Engineering Co., Ltd., Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K / ; G06F / ;
U.S. Cl.
CPC ...
36443111 ; 36442404 ;
Abstract
A vehicle control apparatus is provided with a plurality of unit controllers to individually provide control to different control items constructed such that mutual communication of data for diagnosis is effected between the unit controllers, and when one of the unit controllers comes to be abnormal, the other or others change their control mode so as to lead the vehicle to safety, based on the data from the one unit controller having come to be abnormal.