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:
Sep. 16, 2025
Filed:
Mar. 09, 2022
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventors:
Tetsuro Matsudaira, Yamanashi-ken, JP;
Yoshinori Sakai, Yamanashi-ken, JP;
Shuuji Kudou, Yamanashi-ken, JP;
Yoshikiyo Tanabe, Yamanashi-ken, JP;
Toshihiro Fujimori, Yamanashi-ken, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 27/08 (2006.01); H02M 1/00 (2007.01); H02P 29/024 (2016.01);
U.S. Cl.
CPC ...
H02P 27/08 (2013.01); H02M 1/007 (2021.05); H02P 29/024 (2013.01); H02P 2201/07 (2013.01);
Abstract
A motor control device includes a DC/DC converter that steps up or steps down a voltage of a direct current power source and performs charging, while controlling an inrush current to a smoothing capacitor; a monitor circuit for the output of the DC/DC converter; and a control part that turns the operation of the DC/DC converter on and off, and turns the DC/DC converter off when the monitor circuit has detected an abnormality.