Title:
Motor driving
Document Type and Number:
Japanese Patent JP6120563
Kind Code:
B2
Abstract:
A motor driving apparatus includes a rotor, a first yoke including a first magnetic portion, a first coil configured to, if energized, excite the first magnetic portion, a second yoke including a second magnetic portion, a second coil configured to, if energized, excite the second magnetic portion, a detecting portion including a first detection element, a second detection element, a third detection element, and a fourth detection element, each detection element being configured to detect a rotation position of the rotor, and a controller configured to switch a pole excited by the first magnetic portion and the second magnetic portion by switching an energization direction of the first coil and the second coil based on an output of the detecting portion.
Inventors:
Qingdao Lieutenant
Application Number:
JP2012284086A
Publication Date:
April 26, 2017
Filing Date:
December 27, 2012
Export Citation:
Assignee:
Canon Inc
International Classes:
H02P8/38; H02K11/215; H02K37/14
Domestic Patent References:
| JP2012068921A | ||||
| JP2006105652A | ||||
| JP2023092A |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsushi Mizumoto
Hirayama Tomoya
Atsushi Mizumoto
Hirayama Tomoya