Title:
Image shake correction device and its control method, program, storage medium
Document Type and Number:
Japanese Patent JP6289243
Kind Code:
B2
Abstract:
An image stabilization apparatus comprises an image stabilization unit configured to move a correction member based on a shake detected by a shake detection unit and stabilize an image blur based on the shake of the apparatus; a zoom unit configured to change a focal length of the imaging optical system; a calculation unit configured to calculate a movement amount of the correction member to reduce at least one of a variation in a light amount and a variation in a resolution; and a control unit configured to control, when changing the focal length, an actual movement amount to follow a target value of a movement position of the correction member by setting a limitation of a variation amount of the movement position per unit time on the movement amount calculated by the calculation unit.
Inventors:
Masaaki Noguchi
Application Number:
JP2014087589A
Publication Date:
March 07, 2018
Filing Date:
April 21, 2014
Export Citation:
Assignee:
Canon Inc
International Classes:
G03B5/00; H04N5/232; H04N5/238
Domestic Patent References:
| JP2007219289A | ||||
| JP2008187617A | ||||
| JP2012137774A | ||||
| JP2008197209A | ||||
| JP2003233100A | ||||
| JP2013061491A | ||||
| JP2007057981A | ||||
| JP2007316125A |
Foreign References:
| US20130142502 |
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu