Title:
シャッタ装置およびこれを備える撮像装置
Document Type and Number:
Japanese Patent JP7362288
Kind Code:
B2
Abstract:
To provide a shutter device with which it is possible to suppress current consumption when charging a drive member, and an imaging device equipped with the same.SOLUTION: The shutter device comprises: a base plate in which an opening for light to pass through is provided; a first drive member for driving a first blade group; a second drive member for driving a second blade group; a first urging member for urging the first drive member so that the first blade group moves from a closed state where the opening is closed to an open state where the opening is opened; a second urging member for urging the second drive member so that the second blade group moves from the open state to the closed state; and a cam member rotatable by drive means. The rotational phase of the cam member in a first state where the first and second drive members are held by the cam member while the first and second urging members are charged, is the same as the rotational phase of the cam member in a second state where the first blade group is in the open state and the second drive member is held by the cam member while the second urging member is charged.SELECTED DRAWING: Figure 4
Inventors:
Kazuya Karibe
Application Number:
JP2019074589A
Publication Date:
October 17, 2023
Filing Date:
April 10, 2019
Export Citation:
Assignee:
Canon Inc
International Classes:
G03B9/36; H04N23/55
Domestic Patent References:
| JP2011095687A | ||||
| JP2006098908A | ||||
| JP2005148237A |
Foreign References:
| US20110103787 | ||||
| CN102053457A |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsuya Mizumoto
Tomoya Hirayama
Atsuya Mizumoto
Tomoya Hirayama
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