Title:
シャッタ装置および撮像装置
Document Type and Number:
Japanese Patent JP7408454
Kind Code:
B2
Abstract:
A shutter apparatus includes a front blade unit and a rear blade unit configured to open and close an opening for exposure control, a front drive member and a rear drive member configured to drive the front blade unit and the rear blade unit between an open position and a closed position of the opening, respectively, a front cam gear and a rear cam gear configured to charge the front drive member and the rear drive member, respectively, a front driving source and a rear driving source connected to and configured to rotate the front cam gear and the rear cam gear, respectively, and a controller configured to control the front driving source and the rear driving source based on an imaging condition so as to change driving times of the front blade unit and the rear blade unit.
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Inventors:
Rentaro Imai
Jun Kawanami
Keisuke Adachi
Jun Kawanami
Keisuke Adachi
Application Number:
JP2020054405A
Publication Date:
January 05, 2024
Filing Date:
March 25, 2020
Export Citation:
Assignee:
Canon Inc
International Classes:
G03B9/36; G03B7/091; G03B15/00; H04N23/55; H04N23/65
Domestic Patent References:
| JP2018112734A | ||||
| JP2012215795A | ||||
| JP2010206520A | ||||
| JP2011158890A |
Foreign References:
| WO2015071988A1 | ||||
| WO2016147256A1 |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsuya Mizumoto
Tomoya Hirayama
Atsuya Mizumoto
Tomoya Hirayama