| 发明名称 |
Vibration Actuator |
| 摘要 |
A vibration actuator includes: a movable element that includes a magnet and moves reciprocatingly; first and second coils arranged to surround the magnet; a housing that includes a bottom portion and a lid portion that oppose each other in a movement direction of the movable element; and a plate-like magnetic body arranged at bottom portion of the housing, magnetic attraction being generated between the plate-like magnetic body and the magnet, and the movable element being drawn towards the bottom portion side. |
| 申请公布号 |
US2015148108(A1) |
申请公布日期 |
2015.05.28 |
| 申请号 |
US201414502004 |
申请日期 |
2014.09.30 |
| 申请人 |
Nidec Copal Corporation |
发明人 |
ODAJIMA Shin;SHODA Yuki;TAKAGI Masaaki;TONOGAI Yoshihide |
| 分类号 |
H04M1/02 |
主分类号 |
H04M1/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A vibration actuator comprising:
a movable element that includes a magnet and moves reciprocatingly; a coil arranged to surround the magnet; a housing that houses the movable element and the coil and includes a pair of wall portions that oppose each other in a movement direction of the movable element; and a magnetic body arranged at either one of the pair of wall portions, magnetic attraction being generated between the magnetic body and the magnet, and the movable element being drawn towards a wall portion to one side. |
| 地址 |
Tokyo JP |
