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:
May. 30, 2023
Filed:
Nov. 02, 2021
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Takashi Odate, Mishima, JP;
Hidetoshi Hanamoto, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/16 (2006.01); H02P 6/16 (2016.01); H02P 6/20 (2016.01); G03G 15/00 (2006.01); G03G 15/16 (2006.01);
U.S. Cl.
CPC ...
H02P 6/16 (2013.01); G03G 15/1615 (2013.01); G03G 15/5008 (2013.01); H02P 6/20 (2013.01);
Abstract
A motor control apparatus includes: a switching power supply; a first motor configured to operate with a voltage from the switching power supply; and a control unit configured to control the first motor, wherein the control unit is further configured to cause the switching power supply to supply power of the switching power supply to a load other than the first motor before detecting an initial position of a rotor of the first motor using a current flowing through the first motor.