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:
Jun. 08, 2021

Filed:

Feb. 25, 2020
Applicant:

Minebea Mitsumi Inc., Nagano, JP;

Inventors:

Masahiro Tanaka, Fukuroi, JP;

Yuya Hisatomi, Hamamatsu, JP;

Toshihiro Tamitsuji, Iwata, JP;

Assignee:

MINEBEA MITSUMI INC., Nagano, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 13/10 (2006.01); H02P 29/032 (2016.01);
U.S. Cl.
CPC ...
H02P 13/10 (2013.01); H02P 29/032 (2016.02);
Abstract

A motor drive control device driving a motor having a first system coil and a second system coil, the motor drive control device comprising: a first drive circuit controlling energization of the first system coil; a second drive circuit controlling energization of the second system coil; a first temperature sensor detecting a temperature of the first drive circuit; a second temperature sensor detecting a temperature of the second drive circuit; and a signal output circuit outputting an output signal concerning whether or not any one of the first system coil and the second system coil is in an open state, based on a detection result by the first temperature sensor and a detection result by the second temperature sensor.


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