发明名称 Miniature Speaker
摘要 A miniature speaker is disclosed. The miniature speaker includes a frame providing a receiving space, a magnetic circuit accommodated in the receiving space, a voice coil, a membrane activated by the voice coil for generating sounds, a number of contacts for electrically connected to the voice coil, and a front cover for fixing the membrane to the frame. The front cover includes an outer ring and a top cover coupled with the outer ring. The top cover includes a step engaging with the outer ring. By virtue of the configuration of the front cover, the assembling precision of the outer ring and the top cover is ensured, and the thicknesses of the outer ring and the top cover are maintained for providing sufficient strength.
申请公布号 US2015365744(A1) 申请公布日期 2015.12.17
申请号 US201414305029 申请日期 2014.06.16
申请人 Cai Bin;Xu Yunxia 发明人 Cai Bin;Xu Yunxia
分类号 H04R1/02;H04R3/00 主分类号 H04R1/02
代理机构 代理人
主权项 1. A miniature speaker, comprising: a frame providing a receiving space; a magnetic circuit accommodated in the receiving space, the magnetic circuit further forming a magnetic gap; a voice coil including a distal end suspended in the magnetic gap; a membrane activated by the voice coil for generating sounds; a plurality of contacts fixed by the frame for electrically connected to the voice coil; a front cover for fixing the membrane to the frame, the front cover including an outer ring and a top cover coupled with the outer ring, the top cover including a step engaging with the outer ring.
地址 Shenzhen CN