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.
Patent No.:
Date of Patent:
May. 31, 2022
Filed:
Apr. 13, 2020
Applicant:
Nidec Corporation, Kyoto, JP;
Inventors:
Masaki Yoshinaga, Kyoto, JP;
Tomohiro Fukumura, Kyoto, JP;
Taro Amagai, Kyoto, JP;
Akiko Ikeda, Kyoto, JP;
Kengo Araki, Kyoto, JP;
Assignee:
NIDEC CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/244 (2006.01); H02K 11/215 (2016.01); H02K 11/33 (2016.01); H02P 23/14 (2006.01); G01R 33/00 (2006.01);
U.S. Cl.
CPC ...
H02K 11/215 (2016.01); G01R 33/0017 (2013.01); H02K 11/33 (2016.01); H02P 23/14 (2013.01);
Abstract
A motor according to a disclosed embodiment includes: a plurality of magnetic sensors that output sine wave signals having a certain phase difference in order in accordance with rotation of a rotor; a signal amplifier that amplifies a difference between an output signal of each of the plurality of magnetic sensors and an average signal that is an average of the output signals of the plurality of magnetic sensors; and a pulse signal generation unit that converts an output signal of the signal amplifier into a pulse signal.