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. 05, 1989
Filed:
Mar. 02, 1988
Applicant:
Inventors:
Toshio Manaka, Katsuta, JP;
Akira Teragakiuchi, Katsuta, JP;
Masahide Sakamoto, Katsuta, JP;
Masami Nagano, Katsuta, JP;
Masakatsu Fujishita, Katsuta, JP;
Junji Miyake, Mito, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123489 ; 123440 ;
Abstract
Values of a correction amount of correcting a fundamental control amount of an internal combustion engine are stored in a rewritable memory having divisional storage areas corresponding to divisional running areas. When a value of the correction amount for a particular divisional running area is renewed, concurrently therewith, values of the correction amount for divisional running areas adjacent to the particular divisional running area are also renewed.