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