Title:
デジタルカメラ用フォーカルプレンシャッタ
Document Type and Number:
Japanese Patent JP4667657
Kind Code:
B2
Abstract:
When the main power of a camera is turned on, a set member (14) is rotated from an initial position to a set position by an operation member (15) on the camera side and once stops at a midway position. At this time, a second blade group (19) retreats from an aperture (1a) and a first blade group (16) enters the aperture 1a to a position not covering an image pickup device (4), so that the aperture (1a) is opened and it is made possible to display a subject in an electronic viewfinder. When a release button is pressed, the set member (14) is rotated from the midway position to the set position and thus the aperture (1a) is covered with the first blade group (16). After this, when drive members (10, 12) are attracted to iron cores (8, 9) and the set member (14) is restored to the initial position, the drive members perform light exposure operation in order.
Inventors:
Koichi Kudo
Toru Eguro
Toru Eguro
Application Number:
JP2001194998A
Publication Date:
April 13, 2011
Filing Date:
June 27, 2001
Export Citation:
Assignee:
Nidec Copal Corporation
International Classes:
G03B9/36; G03B19/02; G03B9/18; H04N5/225; H04N101/00
Domestic Patent References:
| JP11326992A | ||||
| JP62128675A |