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:
Dec. 09, 2014
Filed:
Sep. 12, 2012
Yuhei Matsushima, Chiyoda-ku, JP;
Keitaro Ezumi, Aki-gun, JP;
Tomokuni Kusunoki, Aki-gun, JP;
Atsushi Inoue, Aki-gun, JP;
Hiroki Morimoto, Aki-gun, JP;
Yuhei Matsushima, Chiyoda-ku, JP;
Keitaro Ezumi, Aki-gun, JP;
Tomokuni Kusunoki, Aki-gun, JP;
Atsushi Inoue, Aki-gun, JP;
Hiroki Morimoto, Aki-gun, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
A knock control apparatus for an internal combustion engine includes a knock signal normalization portion that normalizes a knock signal using base statistics calculated on the basis of the knock signal. The knock signal normalization portion calculates base statistics on the basis of a last value and a current value of the knock signal and normalizes the knock signal using a base statistic interpolated according to an operating state.