| 发明名称 | Micro-speaker | ||
| 摘要 | A micro-speaker includes a case having a ring wall forming a receiving cavity, a number of restricting apertures formed in the ring wall, a magnetic plate received in the case and having a main plate, a plurality of auxiliary plates extending from the main plate, and a number of protrusions extending from edges of the auxiliary plates, a first gap formed between two adjacent auxiliary plates communicating with the receiving cavity of the case, the main plate and the auxiliary plates being surrounded by the ring wall of the case, and the protrusions being located in the restricting apertures for restricting the magnetic plate in proper position. | ||
| 申请公布号 | US8831268(B2) | 申请公布日期 | 2014.09.09 |
| 申请号 | US201213454311 | 申请日期 | 2012.04.24 |
| 申请人 | AAC Acoustic Technologies (Shenzhen) Co., Ltd.;American Audio Components Inc. | 发明人 | Yuan Si-Long |
| 分类号 | H04R25/00 | 主分类号 | H04R25/00 |
| 代理机构 | Anova Law Group, PLLC | 代理人 | Anova Law Group, PLLC |
| 主权项 | 1. A micro-speaker, comprising: a case defining a ring wall forming a receiving cavity, the receiving cavity penetrating the case, the ring wall defining a plurality of restricting apertures therein, the restricting aperture being a through gap extending from the outer surface of the ring wall to the inner surface of the ring wall; a plate-shaped magnetic plate including a main plate, a plurality of auxiliary plates extending from the main plate, and a plurality of protrusions extending from edges of the auxiliary plates in a radial direction of the auxiliary plate, the main plate and the auxiliary plates being surrounded by the ring wall of the case, and the protrusions being located in the restricting apertures for restricting the magnetic plate in proper position; a first gap formed between two adjacent auxiliary plates communicating with the receiving cavity of the case. | ||
| 地址 | Shenzhen CN | ||