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. 13, 1991
Filed:
May. 04, 1990
Hiroya Ohkumo, Musashino, JP;
Shuji Miyama, Musashimurayama, JP;
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An ignition timing controlling system is provided for calculating an ignition timing based on a basic ignition timing, a learning correcting quantity including a large correcting quantity and a small correcting quantity, and a feedback correcting quantity. In response to an occurrence of knocking, a large retard value is produced. When the large retard value exceeds a reference value, the learning correcting quantity of the small correcting quantity is changed to the learning correcting quantity of the large correcting quantity.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile