发明名称 |
Linear vibrator |
摘要 |
There is provided a linear vibrator including a fixing unit having a magnet in an inner space of a certain size, the magnet generating magnetic force; a vibration unit including a coil disposed to face the magnet and generating electromagnetic force by interaction with the magnet, and a holder coupled with a surface of the coil and fixedly supporting a mass body which vibrates; and an elastic member coupled with the holder and the fixing unit and providing elastic force to the vibration unit. |
申请公布号 |
US9093888(B2) |
申请公布日期 |
2015.07.28 |
申请号 |
US201113064800 |
申请日期 |
2011.04.15 |
申请人 |
SAMSUNG ELECTRO-MECHANICS CO., LTD. |
发明人 |
Choi Jun Kun |
分类号 |
H02K33/18 |
主分类号 |
H02K33/18 |
代理机构 |
|
代理人 |
|
主权项 |
1. A linear vibrator comprising:
a fixing unit having a magnet in an inner space, the magnet generating magnetic force; a vibration unit including a coil disposed to face the magnet and generating electromagnetic force by interaction with the magnet, and a holder on a lower surface of a mass body in an axial direction; a damper having a ring shape and having an inner circumference which is greater than an outer circumference of the magnet; an elastic member coupled with the holder and the fixing unit and providing elastic force to the vibration unit; and an upper surface of the elastic member in the axial direction is coupled with a lower surface of the holder in the axial direction by welding. |
地址 |
Suwon KR |