发明名称 Speaker
摘要 In a speaker having a magnet circuit causing vibrations of a diaphragm and attached to and supported on a frame, a plurality of projections is formed on a bottom portion of the frame supporting the magnetic circuit. The projections are in point contact with a rear-facing face of a flange of a yoke partially forming the magnetic circuit in order for the magnetic circuit to be supported on the speaker frame.
申请公布号 US2005226458(A1) 申请公布日期 2005.10.13
申请号 US20050085180 申请日期 2005.03.22
申请人 TOHOKU PIONEER CORPORATION 发明人 SUGIURA HIDEAKI
分类号 H04R9/02;H04R9/00;H04R9/04;H04R25/00;(IPC1-7):H04R25/00 主分类号 H04R9/02
代理机构 代理人
主权项
地址