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:
Jun. 19, 2018
Filed:
Sep. 09, 2016
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Inventor:
Shen Wang, Yokohama Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/04 (2006.01); H02P 3/00 (2006.01); H02P 7/00 (2016.01); G05B 5/00 (2006.01); H02H 7/08 (2006.01); H02P 29/40 (2016.01); H02P 27/08 (2006.01); H02P 6/14 (2016.01);
U.S. Cl.
CPC ...
H02P 29/40 (2016.02); H02P 6/14 (2013.01); H02P 27/08 (2013.01);
Abstract
According to embodiments, a drive circuit includes a control portion configured to, when a duty ratio is set to a first predetermined value, and a load apparatus is in an overload state, set the duty ratio to a second predetermined value smaller than the first predetermined value during a predetermined time period.