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:
Feb. 21, 1989
Filed:
May. 17, 1988
Applicant:
Inventors:
Shigeo Okumura, Hamamatsu, JP;
Koshiro Inaba, Hamamatsu, JP;
Assignee:
Sanshin Kogyo Kabushiki Kaisha, Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73 35 ;
Abstract
A device for controlling the ignition of an internal combustion engine to eliminate knocking and including a knocking sensor and method for detecting knocking. The knocking sensor is positioned in proximity to one cylinder of the engine and a reference signal is generated when another of the cylinders fires. This reference signal is compared with the output of the knocking sensor to determine a knocking condition.