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. 25, 2023
Filed:
Oct. 01, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Yusuke Isomi, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A motor control apparatus, including: a current detection unit configured to detect a current flowing through a coil of a motor; a voltage application unit configured to apply a voltage to the coil; and a control unit configured to control the voltage application unit by outputting a PWM signal in order to rotate the motor at a predetermined rotation speed, wherein the control unit detects a rotation state of the motor based on a duty of the PWM signal and a current value detected by the current detection unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile