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.

Date of Patent:
Sep. 01, 2009

Filed:

Jun. 13, 2008
Applicants:

Futoshi Aida, Chiyoda-ku, JP;

Yukio Yasuda, Chiyoda-ku, JP;

Yusuke Naruse, Chiyoda-ku, JP;

Inventors:

Futoshi Aida, Chiyoda-ku, JP;

Yukio Yasuda, Chiyoda-ku, JP;

Yusuke Naruse, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02P 11/00 (2006.01); F02P 5/145 (2006.01);
U.S. Cl.
CPC ...
Abstract

An internal combustion engine ignition device is provided in which an ECU () includes a pulse generation circuit () that outputs pulse signals (Igtand Igt) and an ion-signal detection/control circuit (), and a coil driver () includes a pulse detection circuit () that recognizes a signal received from the pulse generation circuit () and an ion-current detection circuit (); when the pulse signals are not outputted, an ion current is detected and a signal is outputted at the same line as a coil-driver input signal line.


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