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:
Jan. 05, 2021

Filed:

Dec. 04, 2017
Applicant:

Hitachi Automotive Systems, Ltd., Hitachinaka, JP;

Inventors:

Takashi Hirao, Tokyo, JP;

Akihiro Namba, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 15/20 (2006.01); H02M 1/00 (2006.01); H02M 7/5387 (2007.01); H02M 7/48 (2007.01); H02P 27/06 (2006.01);
U.S. Cl.
CPC ...
G01R 15/20 (2013.01); H02M 1/00 (2013.01); H02M 7/48 (2013.01); H02M 7/53871 (2013.01); H02M 2001/0009 (2013.01); H02P 27/06 (2013.01);
Abstract

In an object of the present invention, an object is to provide a technique for achieving higher accuracy in current detection of a radio frequency current, in a current detection device. The current detection device of the present invention includes two or more conductors through which a current shunted from a same conductor flows; conductors through which the shunted current flows have portions opposed to each other; currents flow in opposite directions in opposing portions of the conductors; and a magnetic field detecting element is provided between the opposing portions of the conductors.


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