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:
May. 29, 1979
Filed:
Dec. 29, 1976
Applicant:
Inventor:
Makoto Anzai, Yokosuka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123 / ;
Abstract
A resistance circuit is connected to a differential signal generator to remove undesirable change of an air-fuel ratio control signal by compensating for temperature-dependent variation of internal resistance of an exhaust gas sensor.
Anzai, Makoto. (1979). Electronic closed loop air-fuel ratio control system (U.S. Patent No. 4156404). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4156404
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile