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:
Feb. 02, 2021

Filed:

May. 13, 2019
Applicant:

Minebea Mitsumi Inc., Nagano, JP;

Inventors:

Toshiaki Seima, Yonago, JP;

Takeshi Ohara, Fukuroi, JP;

Koichi Tamai, Kakegawa, JP;

Haruomi Morohashi, Hamamatsu, JP;

Assignee:

MINEBEA MITSUMI INC., Nagano, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/40 (2016.01); H02K 11/215 (2016.01); H02K 21/22 (2006.01); H02K 9/06 (2006.01); H02K 11/33 (2016.01);
U.S. Cl.
CPC ...
H02K 11/40 (2016.01); H02K 9/06 (2013.01); H02K 11/215 (2016.01); H02K 11/33 (2016.01); H02K 21/22 (2013.01); H02K 2211/03 (2013.01);
Abstract

A circuit board for a motor unit equipped with a motor includes a substrate having a main surface being one of a pair of surfaces opposed to each other, and a back surface being another of the pair of surfaces, a magnetic detection element disposed in a predetermined region on an outer periphery side of the substrate on the main surface, and configured to output a detection signal in accordance with a position of a rotor of the motor, and a metal member formed between the outer periphery of the substrate and the magnetic detection element in the predetermined region on the main surface, and configured to receive a supplied ground voltage.


Find Patent Forward Citations

Loading…