发明名称 |
Miniature Sound Generator |
摘要 |
A miniature sound generator is disclosed. The miniature sound generator includes: a vibration system; a magnetic circuit system including a permanent magnet accommodated in a magnetic bowl and a pole piece located on the permanent magnet; and a housing for accommodating and fixing the vibration system. The permanent magnet includes a first through-hole, the pole piece has a second through-hole, and the magnetic bowl includes a blind hole. |
申请公布号 |
US2016366520(A1) |
申请公布日期 |
2016.12.15 |
申请号 |
US201615004984 |
申请日期 |
2016.01.24 |
申请人 |
Shen Kaihua;Zhong Zhiwei |
发明人 |
Shen Kaihua;Zhong Zhiwei |
分类号 |
H04R9/02;H04R9/06 |
主分类号 |
H04R9/02 |
代理机构 |
|
代理人 |
|
主权项 |
1. A miniature sound generator, comprising:
a vibration system; a magnetic circuit system including a permanent magnet accommodated in a magnetic bowl and a pole piece located on the permanent magnet, a housing for accommodating and fixing the vibration system; wherein the permanent magnet includes a first through-hole, the pole piece has a second through-hole, and the magnetic bowl includes a blind hole. |
地址 |
Shenzhen CN |