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:
Dec. 26, 2017
Filed:
Feb. 17, 2016
Applicant:
Takeo Seki, Kanagawa, JP;
Inventor:
Takeo Seki, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 1/00 (2006.01); H02P 23/14 (2006.01); H02P 21/20 (2016.01);
U.S. Cl.
CPC ...
H02P 23/14 (2013.01); H02P 21/20 (2016.02);
Abstract
A load torque estimation apparatus includes an acquisition unit configured to acquire a smoothed signal, the smoothed signal being obtained by smoothing a signal indicating a composite current of electric currents flowing in respective phases of an electric motor; and an estimation unit configured to estimate load torque of the electric motor based on the smoothed signal and a rotational speed of the electric motor.
Quick Actions:
Seki, Takeo. (2017). Load torque estimation apparatus, image forming apparatus, load torque estimation method and recording medium (U.S. Patent No. 9853584). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9853584
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile