Title:
MOTOR CONTROL DEVICE, LENS DEVICE, IMAGING APPARATUS, AND MOTOR CONTROL METHOD
Document Type and Number:
Japanese Patent JP2022160781
Kind Code:
A
Abstract:
To provide a motor control device capable of reducing the vibration of a to-be-driven member when a stepping motor driving is stopped.SOLUTION: A motor control device (20) has calculation means (209) for calculating a difference between a rotor phase of a stepping motor (25) that drives a to-be-driven member (23) and an excitation phase of a drive signal of the stepping motor and control means (201) for controlling the drive signal of the stepping motor on the basis of the difference.SELECTED DRAWING: Figure 4
Inventors:
TAMIYA SUGURU
Application Number:
JP2021065192A
Publication Date:
October 20, 2022
Filing Date:
April 07, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
H02P8/28; G02B7/08; G03B9/02
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsuya Mizumoto
Tomoya Hirayama
Atsuya Mizumoto
Tomoya Hirayama
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