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. 28, 2021

Filed:

May. 11, 2017
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Rei Araki, Tokyo, JP;

Yu Kawano, Tokyo, JP;

Norihiro Yamaguchi, Tokyo, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/54 (2020.01); G01R 31/364 (2019.01); B60L 3/00 (2019.01); G01R 1/20 (2006.01);
U.S. Cl.
CPC ...
G01R 31/54 (2020.01); B60L 3/0046 (2013.01); G01R 1/203 (2013.01); G01R 31/364 (2019.01);
Abstract

Provided is an electronic control device, including: a plurality of grounding terminals provided to a plurality of grounds in the device individually on a one-to-one basis; a grounding common portion for connecting a plurality of grounding points provided to the plurality of grounds individually on a one-to-one basis; a current detection unit configured to detect each of currents flowing between the plurality of grounding points and the plurality of grounding terminals provided for the plurality of grounding points individually on a one-to-one basis or a current flowing through the grounding common portion; and a controller configured to detect a ground open condition for each of the plurality of grounds by comparing a detection result obtained by the current detection unit with a determination value for determining the ground open condition.


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