Title:
LENS DEVICE, IMAGING DEVICE, CONTROL METHOD, AND PROGRAM
Document Type and Number:
Japanese Patent JP2021085987
Kind Code:
A
Abstract:
To provide a lens device that is advantageous in low noise.SOLUTION: A lens device (2) includes a driven member (4), a driving unit (5) that drives the driven member, a control unit (6) that controls the driving unit, and a storage unit (8) that stores the quantity about the play of the driving unit. The control unit selectively generates a first driving signal and a second driving signal that has higher control resolution than the first driving signal. From a driving start position to a first switching position, the driving unit is controlled with the second driving signal. From the first switching position, the driving unit is controlled with the first driving signal. The first switching position is determined based on the quantity stored in the storage unit.SELECTED DRAWING: Figure 3
Inventors:
NAKAGAMI HIDEOMI
Application Number:
JP2019214643A
Publication Date:
June 03, 2021
Filing Date:
November 27, 2019
Export Citation:
Assignee:
CANON KK
International Classes:
G03B9/06; G02B7/02; G02B7/04; H02P8/22; H04N5/225
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsushi Mizumoto
Hirayama Tomoya
Atsushi Mizumoto
Hirayama Tomoya