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:
Apr. 07, 2015
Filed:
Dec. 08, 2011
Applicants:
Tomohiro Inoue, Yonago, JP;
Kenichi Kishimoto, Osaka, JP;
Yuji Hamada, Hyogo, JP;
Inventors:
Assignees:
Minebea Co., Ltd., Nagano, JP;
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 13/00 (2006.01); G05B 13/02 (2006.01); G05B 19/416 (2006.01); H02P 29/00 (2006.01); H02P 23/00 (2006.01);
U.S. Cl.
CPC ...
G05B 13/021 (2013.01); G05B 13/02 (2013.01); G05B 19/416 (2013.01); H02P 29/00 (2013.01); G05B 2219/41026 (2013.01); H02P 23/0068 (2013.01);
Abstract
To provide a motor control circuit that variably controls the speed of a motor, in which an appropriate control gain corresponding to the speed of the motor that is set can be automatically set. The motor control circuit includes a period error signal output means, a speed error signal output means and a gain correction means.