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:
Mar. 19, 2019
Filed:
Feb. 19, 2018
Minebea Mitsumi Inc., Nagano, JP;
Hiroyuki Kaidu, Iwata, JP;
Youhei Serizawa, Kakegawa, JP;
Masato Aoki, Iwata, JP;
Xiao Zhou, Fukuroi, JP;
MINEBEA MITSUMI INC., Nagano, JP;
Abstract
The control circuit includes a current detecting part detecting a driving current of the motor, a set duty generating part generating a set duty for outputting the driving control signal based on the speed command information and the actual rotational frequency information, a limit value determining part determining a current limit value based on the set duty and an instructed duty corresponding to the speed command information and a limiting part limiting the driving current of the motor based on the driving current of the motor detected by the current detecting part and the current limit value determined by the limit value determining part.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile