Title:
カメラ用シャッタ及び電磁アクチュエータ
Document Type and Number:
Japanese Patent JP4380868
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a shutter for a camera which is reduced in height and further improved in reliability while securing the capacity of an electromagnetic actuator. SOLUTION: This camera shutter 1 has a movable member 6 which has a permanent magnet 13 and its one end part is coupled with light shield blade members 3A and 3B through an operating pin 11 and the other end part is pivotally supported in a swingable state, a yoke member 15 which is fitted to a substrate 2 and having an upper yoke 17 and a lower yoke 16 arranged so as to hold vertically the permanent magnet 13, and coils 18a, 18b, 19a, and 19b which are provided to the yoke member 15 opposite the permanent magnet 13 and wound almost in parallel to the substrate 2; and the movable member 6 has a movable frame 8 having the operating pin 11 and the movable frame 8 is equipped with the electromagnetic actuator which is provided with a magnet storage frame 9 wherein the permanent magnet 13 is force-fitted and fixed.
Inventors:
Koji Sekizawa
Kiyoshi Toma
Kiyoshi Toma
Application Number:
JP2000005287A
Publication Date:
December 09, 2009
Filing Date:
January 05, 2000
Export Citation:
Assignee:
Nidec Copal Corporation
International Classes:
G03B9/08; G03B9/36; H02K1/27; H02K33/16
Domestic Patent References:
| JP9288294A | ||||
| JP11203697A | ||||
| JP3004509A | ||||
| JP5074176U | ||||
| JP11213813A | ||||
| JP55001238U | ||||
| JP62080636A | ||||
| JP11133481A | ||||
| JP62046444A | ||||
| JP5028464U |