| 发明名称 |
BLADE DRIVE DEVICE AND OPTICAL INSTRUMENT |
| 摘要 |
A blade drive device includes: a board including an opening; first and second blades opening and closing the opening; and first and second actuators respectively driving the first and second blades, wherein the first and second actuators respectively include first and second stators, first and second rotors, and first and second coils, and respectively drive the first and second blades through first and second drive members, the first drive member is arranged to overlap the first stator and the first coil in an optical axis direction, and the second drive member is arranged to overlap the second stator and the second coil in the optical axis direction. |
| 申请公布号 |
US2015050014(A1) |
申请公布日期 |
2015.02.19 |
| 申请号 |
US201414528223 |
申请日期 |
2014.10.30 |
| 申请人 |
SEIKO PRECISION INC. |
发明人 |
TAKAHASHI Hiroshi;TOKURA Shoichi;NEMOTO Chiaki;NAKANO Yoichi |
| 分类号 |
G03B9/42 |
主分类号 |
G03B9/42 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A blade drive device comprising:
a board including an opening; first and second blades opening and closing the opening; and first and second actuators respectively driving the first and second blades, wherein the first and second actuators respectively include first and second stators, first and second rotors, and first and second coils, and respectively drive the first and second blades through first and second drive members, the first drive member is arranged to overlap the first stator and the first coil in an optical axis direction, the second drive member is arranged to overlap the second stator and the second coil in the optical axis direction, and an axis of the first drive member overlaps the first stator and the first coil and is positionally displaced from an axis of the first rotor. |
| 地址 |
Narashino-shi JP |
